dnl Process this file with autoconf to produce a configure script. AC_PREREQ(2.68) AC_INIT([Makefile.in]) AC_CONFIG_AUX_DIR([build-aux]) dnl ============================================================================ dnl Custom macro definitions. dnl JE_CONCAT_VVV(r, a, b) dnl dnl Set $r to the concatenation of $a and $b, with a space separating them iff dnl both $a and $b are non-empty. AC_DEFUN([JE_CONCAT_VVV], if test "x[$]{$2}" = "x" -o "x[$]{$3}" = "x" ; then $1="[$]{$2}[$]{$3}" else $1="[$]{$2} [$]{$3}" fi ) dnl JE_APPEND_VS(a, b) dnl dnl Set $a to the concatenation of $a and b, with a space separating them iff dnl both $a and b are non-empty. AC_DEFUN([JE_APPEND_VS], T_APPEND_V=$2 JE_CONCAT_VVV($1, $1, T_APPEND_V) ) CONFIGURE_CFLAGS= SPECIFIED_CFLAGS="${CFLAGS}" dnl JE_CFLAGS_ADD(cflag) dnl dnl CFLAGS is the concatenation of CONFIGURE_CFLAGS and SPECIFIED_CFLAGS dnl (ignoring EXTRA_CFLAGS, which does not impact configure tests. This macro dnl appends to CONFIGURE_CFLAGS and regenerates CFLAGS. AC_DEFUN([JE_CFLAGS_ADD], [ AC_MSG_CHECKING([whether compiler supports $1]) T_CONFIGURE_CFLAGS="${CONFIGURE_CFLAGS}" JE_APPEND_VS(CONFIGURE_CFLAGS, $1) JE_CONCAT_VVV(CFLAGS, CONFIGURE_CFLAGS, SPECIFIED_CFLAGS) AC_COMPILE_IFELSE([AC_LANG_PROGRAM( [[ ]], [[ return 0; ]])], [je_cv_cflags_added=$1] AC_MSG_RESULT([yes]), [je_cv_cflags_added=] AC_MSG_RESULT([no]) [CONFIGURE_CFLAGS="${T_CONFIGURE_CFLAGS}"] ) JE_CONCAT_VVV(CFLAGS, CONFIGURE_CFLAGS, SPECIFIED_CFLAGS) ]) dnl JE_CFLAGS_SAVE() dnl JE_CFLAGS_RESTORE() dnl dnl Save/restore CFLAGS. Nesting is not supported. AC_DEFUN([JE_CFLAGS_SAVE], SAVED_CONFIGURE_CFLAGS="${CONFIGURE_CFLAGS}" ) AC_DEFUN([JE_CFLAGS_RESTORE], CONFIGURE_CFLAGS="${SAVED_CONFIGURE_CFLAGS}" JE_CONCAT_VVV(CFLAGS, CONFIGURE_CFLAGS, SPECIFIED_CFLAGS) ) CONFIGURE_CXXFLAGS= SPECIFIED_CXXFLAGS="${CXXFLAGS}" dnl JE_CXXFLAGS_ADD(cxxflag) AC_DEFUN([JE_CXXFLAGS_ADD], [ AC_MSG_CHECKING([whether compiler supports $1]) T_CONFIGURE_CXXFLAGS="${CONFIGURE_CXXFLAGS}" JE_APPEND_VS(CONFIGURE_CXXFLAGS, $1) JE_CONCAT_VVV(CXXFLAGS, CONFIGURE_CXXFLAGS, SPECIFIED_CXXFLAGS) AC_LANG_PUSH([C++]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM( [[ ]], [[ return 0; ]])], [je_cv_cxxflags_added=$1] AC_MSG_RESULT([yes]), [je_cv_cxxflags_added=] AC_MSG_RESULT([no]) [CONFIGURE_CXXFLAGS="${T_CONFIGURE_CXXFLAGS}"] ) AC_LANG_POP([C++]) JE_CONCAT_VVV(CXXFLAGS, CONFIGURE_CXXFLAGS, SPECIFIED_CXXFLAGS) ]) dnl JE_COMPILABLE(label, hcode, mcode, rvar) dnl dnl Use AC_LINK_IFELSE() rather than AC_COMPILE_IFELSE() so that linker errors dnl cause failure. AC_DEFUN([JE_COMPILABLE], [ AC_CACHE_CHECK([whether $1 is compilable], [$4], [AC_LINK_IFELSE([AC_LANG_PROGRAM([$2], [$3])], [$4=yes], [$4=no])]) ]) dnl ============================================================================ CONFIG=`echo ${ac_configure_args} | sed -e 's#'"'"'\([^ ]*\)'"'"'#\1#g'` AC_SUBST([CONFIG]) dnl Library revision. rev=2 AC_SUBST([rev]) srcroot=$srcdir if test "x${srcroot}" = "x." ; then srcroot="" else srcroot="${srcroot}/" fi AC_SUBST([srcroot]) abs_srcroot="`cd \"${srcdir}\"; pwd`/" AC_SUBST([abs_srcroot]) objroot="" AC_SUBST([objroot]) abs_objroot="`pwd`/" AC_SUBST([abs_objroot]) dnl Munge install path variables. case "$prefix" in *\ * ) AC_MSG_ERROR([Prefix should not contain spaces]) ;; "NONE" ) prefix="/usr/local" ;; esac case "$exec_prefix" in *\ * ) AC_MSG_ERROR([Exec prefix should not contain spaces]) ;; "NONE" ) exec_prefix=$prefix ;; esac PREFIX=$prefix AC_SUBST([PREFIX]) BINDIR=`eval echo $bindir` BINDIR=`eval echo $BINDIR` AC_SUBST([BINDIR]) INCLUDEDIR=`eval echo $includedir` INCLUDEDIR=`eval echo $INCLUDEDIR` AC_SUBST([INCLUDEDIR]) LIBDIR=`eval echo $libdir` LIBDIR=`eval echo $LIBDIR` AC_SUBST([LIBDIR]) DATADIR=`eval echo $datadir` DATADIR=`eval echo $DATADIR` AC_SUBST([DATADIR]) MANDIR=`eval echo $mandir` MANDIR=`eval echo $MANDIR` AC_SUBST([MANDIR]) dnl Support for building documentation. AC_PATH_PROG([XSLTPROC], [xsltproc], [false], [$PATH]) if test -d "/usr/share/xml/docbook/stylesheet/docbook-xsl" ; then DEFAULT_XSLROOT="/usr/share/xml/docbook/stylesheet/docbook-xsl" elif test -d "/usr/share/sgml/docbook/xsl-stylesheets" ; then DEFAULT_XSLROOT="/usr/share/sgml/docbook/xsl-stylesheets" else dnl Documentation building will fail if this default gets used. DEFAULT_XSLROOT="" fi AC_ARG_WITH([xslroot], [AS_HELP_STRING([--with-xslroot=], [XSL stylesheet root path])], [ if test "x$with_xslroot" = "xno" ; then XSLROOT="${DEFAULT_XSLROOT}" else XSLROOT="${with_xslroot}" fi ], XSLROOT="${DEFAULT_XSLROOT}" ) if test "x$XSLTPROC" = "xfalse" ; then XSLROOT="" fi AC_SUBST([XSLROOT]) dnl If CFLAGS isn't defined, set CFLAGS to something reasonable. Otherwise, dnl just prevent autoconf from molesting CFLAGS. CFLAGS=$CFLAGS AC_PROG_CC if test "x$GCC" != "xyes" ; then AC_CACHE_CHECK([whether compiler is MSVC], [je_cv_msvc], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [ #ifndef _MSC_VER int fail[-1]; #endif ])], [je_cv_msvc=yes], [je_cv_msvc=no])]) fi dnl check if a cray prgenv wrapper compiler is being used je_cv_cray_prgenv_wrapper="" if test "x${PE_ENV}" != "x" ; then case "${CC}" in CC|cc) je_cv_cray_prgenv_wrapper="yes" ;; *) ;; esac fi AC_CACHE_CHECK([whether compiler is cray], [je_cv_cray], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [ #ifndef _CRAYC int fail[-1]; #endif ])], [je_cv_cray=yes], [je_cv_cray=no])]) if test "x${je_cv_cray}" = "xyes" ; then AC_CACHE_CHECK([whether cray compiler version is 8.4], [je_cv_cray_84], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [ #if !(_RELEASE_MAJOR == 8 && _RELEASE_MINOR == 4) int fail[-1]; #endif ])], [je_cv_cray_84=yes], [je_cv_cray_84=no])]) fi if test "x$GCC" = "xyes" ; then JE_CFLAGS_ADD([-std=gnu11]) if test "x$je_cv_cflags_added" = "x-std=gnu11" ; then AC_DEFINE_UNQUOTED([JEMALLOC_HAS_RESTRICT], [ ], [ ]) else JE_CFLAGS_ADD([-std=gnu99]) if test "x$je_cv_cflags_added" = "x-std=gnu99" ; then AC_DEFINE_UNQUOTED([JEMALLOC_HAS_RESTRICT], [ ], [ ]) fi fi JE_CFLAGS_ADD([-Werror=unknown-warning-option]) JE_CFLAGS_ADD([-Wall]) JE_CFLAGS_ADD([-Wextra]) JE_CFLAGS_ADD([-Wshorten-64-to-32]) JE_CFLAGS_ADD([-Wsign-compare]) JE_CFLAGS_ADD([-Wundef]) JE_CFLAGS_ADD([-Wno-format-zero-length]) JE_CFLAGS_ADD([-Wpointer-arith]) dnl This warning triggers on the use of the universal zero initializer, which dnl is a very handy idiom for things like the tcache static initializer (which dnl has lots of nested structs). See the discussion at. dnl https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53119 JE_CFLAGS_ADD([-Wno-missing-braces]) dnl This one too. JE_CFLAGS_ADD([-Wno-missing-field-initializers]) JE_CFLAGS_ADD([-Wno-missing-attributes]) JE_CFLAGS_ADD([-pipe]) JE_CFLAGS_ADD([-g3]) elif test "x$je_cv_msvc" = "xyes" ; then CC="$CC -nologo" JE_CFLAGS_ADD([-Zi]) JE_CFLAGS_ADD([-MT]) JE_CFLAGS_ADD([-W3]) JE_CFLAGS_ADD([-FS]) JE_APPEND_VS(CPPFLAGS, -I${srcdir}/include/msvc_compat) fi if test "x$je_cv_cray" = "xyes" ; then dnl cray compiler 8.4 has an inlining bug if test "x$je_cv_cray_84" = "xyes" ; then JE_CFLAGS_ADD([-hipa2]) JE_CFLAGS_ADD([-hnognu]) fi dnl ignore unreachable code warning JE_CFLAGS_ADD([-hnomessage=128]) dnl ignore redefinition of "malloc", "free", etc warning JE_CFLAGS_ADD([-hnomessage=1357]) fi AC_SUBST([CONFIGURE_CFLAGS]) AC_SUBST([SPECIFIED_CFLAGS]) AC_SUBST([EXTRA_CFLAGS]) AC_PROG_CPP AC_ARG_ENABLE([cxx], [AS_HELP_STRING([--disable-cxx], [Disable C++ integration])], if test "x$enable_cxx" = "xno" ; then enable_cxx="0" else enable_cxx="1" fi , enable_cxx="1" ) if test "x$enable_cxx" = "x1" ; then dnl Require at least c++14, which is the first version to support sized dnl deallocation. C++ support is not compiled otherwise. m4_include([m4/ax_cxx_compile_stdcxx.m4]) AX_CXX_COMPILE_STDCXX([17], [noext], [optional]) if test "x${HAVE_CXX17}" != "x1"; then AX_CXX_COMPILE_STDCXX([14], [noext], [optional]) fi if test "x${HAVE_CXX14}" = "x1" -o "x${HAVE_CXX17}" = "x1"; then JE_CXXFLAGS_ADD([-Wall]) JE_CXXFLAGS_ADD([-Wextra]) JE_CXXFLAGS_ADD([-g3]) SAVED_LIBS="${LIBS}" JE_APPEND_VS(LIBS, -lstdc++) JE_COMPILABLE([libstdc++ linkage], [ #include ], [[ int *arr = (int *)malloc(sizeof(int) * 42); if (arr == NULL) return 1; ]], [je_cv_libstdcxx]) if test "x${je_cv_libstdcxx}" = "xno" ; then LIBS="${SAVED_LIBS}" fi else enable_cxx="0" fi fi if test "x$enable_cxx" = "x1"; then AC_DEFINE([JEMALLOC_ENABLE_CXX], [ ], [ ]) fi AC_SUBST([enable_cxx]) AC_SUBST([CONFIGURE_CXXFLAGS]) AC_SUBST([SPECIFIED_CXXFLAGS]) AC_SUBST([EXTRA_CXXFLAGS]) AC_C_BIGENDIAN([ac_cv_big_endian=1], [ac_cv_big_endian=0]) if test "x${ac_cv_big_endian}" = "x1" ; then AC_DEFINE_UNQUOTED([JEMALLOC_BIG_ENDIAN], [ ], [ ]) fi if test "x${je_cv_msvc}" = "xyes" -a "x${ac_cv_header_inttypes_h}" = "xno"; then JE_APPEND_VS(CPPFLAGS, -I${srcdir}/include/msvc_compat/C99) fi if test "x${je_cv_msvc}" = "xyes" ; then LG_SIZEOF_PTR=LG_SIZEOF_PTR_WIN AC_MSG_RESULT([Using a predefined value for sizeof(void *): 4 for 32-bit, 8 for 64-bit]) else AC_CHECK_SIZEOF([void *]) if test "x${ac_cv_sizeof_void_p}" = "x8" ; then LG_SIZEOF_PTR=3 elif test "x${ac_cv_sizeof_void_p}" = "x4" ; then LG_SIZEOF_PTR=2 else AC_MSG_ERROR([Unsupported pointer size: ${ac_cv_sizeof_void_p}]) fi fi AC_DEFINE_UNQUOTED([LG_SIZEOF_PTR], [$LG_SIZEOF_PTR], [ ]) AC_CHECK_SIZEOF([int]) if test "x${ac_cv_sizeof_int}" = "x8" ; then LG_SIZEOF_INT=3 elif test "x${ac_cv_sizeof_int}" = "x4" ; then LG_SIZEOF_INT=2 else AC_MSG_ERROR([Unsupported int size: ${ac_cv_sizeof_int}]) fi AC_DEFINE_UNQUOTED([LG_SIZEOF_INT], [$LG_SIZEOF_INT], [ ]) AC_CHECK_SIZEOF([long]) if test "x${ac_cv_sizeof_long}" = "x8" ; then LG_SIZEOF_LONG=3 elif test "x${ac_cv_sizeof_long}" = "x4" ; then LG_SIZEOF_LONG=2 else AC_MSG_ERROR([Unsupported long size: ${ac_cv_sizeof_long}]) fi AC_DEFINE_UNQUOTED([LG_SIZEOF_LONG], [$LG_SIZEOF_LONG], [ ]) AC_CHECK_SIZEOF([long long]) if test "x${ac_cv_sizeof_long_long}" = "x8" ; then LG_SIZEOF_LONG_LONG=3 elif test "x${ac_cv_sizeof_long_long}" = "x4" ; then LG_SIZEOF_LONG_LONG=2 else AC_MSG_ERROR([Unsupported long long size: ${ac_cv_sizeof_long_long}]) fi AC_DEFINE_UNQUOTED([LG_SIZEOF_LONG_LONG], [$LG_SIZEOF_LONG_LONG], [ ]) AC_CHECK_SIZEOF([intmax_t]) if test "x${ac_cv_sizeof_intmax_t}" = "x16" ; then LG_SIZEOF_INTMAX_T=4 elif test "x${ac_cv_sizeof_intmax_t}" = "x8" ; then LG_SIZEOF_INTMAX_T=3 elif test "x${ac_cv_sizeof_intmax_t}" = "x4" ; then LG_SIZEOF_INTMAX_T=2 else AC_MSG_ERROR([Unsupported intmax_t size: ${ac_cv_sizeof_intmax_t}]) fi AC_DEFINE_UNQUOTED([LG_SIZEOF_INTMAX_T], [$LG_SIZEOF_INTMAX_T], [ ]) AC_CANONICAL_HOST dnl CPU-specific settings. CPU_SPINWAIT="" case "${host_cpu}" in i686|x86_64) HAVE_CPU_SPINWAIT=1 if test "x${je_cv_msvc}" = "xyes" ; then AC_CACHE_VAL([je_cv_pause_msvc], [JE_COMPILABLE([pause instruction MSVC], [], [[_mm_pause(); return 0;]], [je_cv_pause_msvc])]) if test "x${je_cv_pause_msvc}" = "xyes" ; then CPU_SPINWAIT='_mm_pause()' fi else AC_CACHE_VAL([je_cv_pause], [JE_COMPILABLE([pause instruction], [], [[__asm__ volatile("pause"); return 0;]], [je_cv_pause])]) if test "x${je_cv_pause}" = "xyes" ; then CPU_SPINWAIT='__asm__ volatile("pause")' fi fi ;; aarch64|arm*) HAVE_CPU_SPINWAIT=1 dnl isb is a better equivalent to the pause instruction on x86. AC_CACHE_VAL([je_cv_isb], [JE_COMPILABLE([isb instruction], [], [[__asm__ volatile("isb"); return 0;]], [je_cv_isb])]) if test "x${je_cv_isb}" = "xyes" ; then CPU_SPINWAIT='__asm__ volatile("isb")' fi ;; *) HAVE_CPU_SPINWAIT=0 ;; esac AC_DEFINE_UNQUOTED([HAVE_CPU_SPINWAIT], [$HAVE_CPU_SPINWAIT], [ ]) AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$CPU_SPINWAIT], [ ]) AC_ARG_WITH([lg_vaddr], [AS_HELP_STRING([--with-lg-vaddr=], [Number of significant virtual address bits])], [LG_VADDR="$with_lg_vaddr"], [LG_VADDR="detect"]) case "${host_cpu}" in aarch64) if test "x$LG_VADDR" = "xdetect"; then AC_MSG_CHECKING([number of significant virtual address bits]) if test "x${LG_SIZEOF_PTR}" = "x2" ; then #aarch64 ILP32 LG_VADDR=32 else #aarch64 LP64 LG_VADDR=48 fi AC_MSG_RESULT([$LG_VADDR]) fi ;; x86_64) if test "x$LG_VADDR" = "xdetect"; then AC_CACHE_CHECK([number of significant virtual address bits], [je_cv_lg_vaddr], AC_RUN_IFELSE([AC_LANG_PROGRAM( [[ #include #ifdef _WIN32 #include #include typedef unsigned __int32 uint32_t; #else #include #endif ]], [[ uint32_t r[[4]]; uint32_t eax_in = 0x80000008U; #ifdef _WIN32 __cpuid((int *)r, (int)eax_in); #else asm volatile ("cpuid" : "=a" (r[[0]]), "=b" (r[[1]]), "=c" (r[[2]]), "=d" (r[[3]]) : "a" (eax_in), "c" (0) ); #endif uint32_t eax_out = r[[0]]; uint32_t vaddr = ((eax_out & 0x0000ff00U) >> 8); FILE *f = fopen("conftest.out", "w"); if (f == NULL) { return 1; } if (vaddr > (sizeof(void *) << 3)) { vaddr = sizeof(void *) << 3; } fprintf(f, "%u", vaddr); fclose(f); return 0; ]])], [je_cv_lg_vaddr=`cat conftest.out`], [je_cv_lg_vaddr=error], [je_cv_lg_vaddr=57])) if test "x${je_cv_lg_vaddr}" != "x" ; then LG_VADDR="${je_cv_lg_vaddr}" fi if test "x${LG_VADDR}" != "xerror" ; then AC_DEFINE_UNQUOTED([LG_VADDR], [$LG_VADDR], [ ]) else AC_MSG_ERROR([cannot determine number of significant virtual address bits]) fi AC_CACHE_CHECK([rdtscp support], [je_cv_rdtscp], AC_RUN_IFELSE([AC_LANG_PROGRAM( [[ #include ]], [[ unsigned int dx; asm volatile("rdtscp" : "=d"(dx) ::); return 0; ]])], [je_cv_rdtscp=yes], [je_cv_rdtscp=no], [je_cv_rdtscp=no])) if test "x${je_cv_rdtscp}" = "xyes"; then AC_DEFINE([JEMALLOC_HAVE_RDTSCP], [ ], [ ]) fi fi ;; *) if test "x$LG_VADDR" = "xdetect"; then AC_MSG_CHECKING([number of significant virtual address bits]) if test "x${LG_SIZEOF_PTR}" = "x3" ; then LG_VADDR=64 elif test "x${LG_SIZEOF_PTR}" = "x2" ; then LG_VADDR=32 elif test "x${LG_SIZEOF_PTR}" = "xLG_SIZEOF_PTR_WIN" ; then LG_VADDR="(1U << (LG_SIZEOF_PTR_WIN+3))" else AC_MSG_ERROR([Unsupported lg(pointer size): ${LG_SIZEOF_PTR}]) fi AC_MSG_RESULT([$LG_VADDR]) fi ;; esac AC_DEFINE_UNQUOTED([LG_VADDR], [$LG_VADDR], [ ]) AC_CACHE_CHECK([asm volatile support], [je_cv_asm_volatile], AC_RUN_IFELSE([AC_LANG_PROGRAM( [[ ]], [[ void* ptr; asm volatile("" : "+r"(ptr)); return 0; ]])], [je_cv_asm_volatile=yes], [je_cv_asm_volatile=no], [je_cv_asm_volatile=no])) if test "x${je_cv_asm_volatile}" = "xyes"; then AC_DEFINE([JEMALLOC_HAVE_ASM_VOLATILE], [ ], [ ]) fi LD_PRELOAD_VAR="LD_PRELOAD" so="so" importlib="${so}" o="$ac_objext" a="a" exe="$ac_exeext" libprefix="lib" link_whole_archive="0" DSO_LDFLAGS='-shared -Wl,-soname,$(@F)' RPATH='-Wl,-rpath,$(1)' SOREV="${so}.${rev}" PIC_CFLAGS='-fPIC -DPIC' CTARGET='-o $@' LDTARGET='-o $@' TEST_LD_MODE= EXTRA_LDFLAGS= ARFLAGS='crus' AROUT=' $@' CC_MM=1 if test "x$je_cv_cray_prgenv_wrapper" = "xyes" ; then TEST_LD_MODE='-dynamic' fi if test "x${je_cv_cray}" = "xyes" ; then CC_MM= fi AN_MAKEVAR([AR], [AC_PROG_AR]) AN_PROGRAM([ar], [AC_PROG_AR]) AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL(AR, ar, :)]) AC_PROG_AR AN_MAKEVAR([NM], [AC_PROG_NM]) AN_PROGRAM([nm], [AC_PROG_NM]) AC_DEFUN([AC_PROG_NM], [AC_CHECK_TOOL(NM, nm, :)]) AC_PROG_NM AC_PROG_AWK dnl ============================================================================ dnl jemalloc version. dnl AC_ARG_WITH([version], [AS_HELP_STRING([--with-version=..--g], [Version string])], [ echo "${with_version}" | grep ['^[0-9]\+\.[0-9]\+\.[0-9]\+-[0-9]\+-g[0-9a-f]\+$'] 2>&1 1>/dev/null if test $? -eq 0 ; then echo "$with_version" > "${objroot}VERSION" else echo "${with_version}" | grep ['^VERSION$'] 2>&1 1>/dev/null if test $? -ne 0 ; then AC_MSG_ERROR([${with_version} does not match ..--g or VERSION]) fi fi ], [ dnl Set VERSION if source directory is inside a git repository. if test "x`test ! \"${srcroot}\" && cd \"${srcroot}\"; git rev-parse --is-inside-work-tree 2>/dev/null`" = "xtrue" ; then dnl Pattern globs aren't powerful enough to match both single- and dnl double-digit version numbers, so iterate over patterns to support up dnl to version 99.99.99 without any accidental matches. for pattern in ['[0-9].[0-9].[0-9]' '[0-9].[0-9].[0-9][0-9]' \ '[0-9].[0-9][0-9].[0-9]' '[0-9].[0-9][0-9].[0-9][0-9]' \ '[0-9][0-9].[0-9].[0-9]' '[0-9][0-9].[0-9].[0-9][0-9]' \ '[0-9][0-9].[0-9][0-9].[0-9]' \ '[0-9][0-9].[0-9][0-9].[0-9][0-9]']; do (test ! "${srcroot}" && cd "${srcroot}"; git describe --long --abbrev=40 --match="${pattern}") > "${objroot}VERSION.tmp" 2>/dev/null if test $? -eq 0 ; then mv "${objroot}VERSION.tmp" "${objroot}VERSION" break fi done fi rm -f "${objroot}VERSION.tmp" ]) if test ! -e "${objroot}VERSION" ; then if test ! -e "${srcroot}VERSION" ; then AC_MSG_RESULT( [Missing VERSION file, and unable to generate it; creating bogus VERSION]) echo "0.0.0-0-g000000missing_version_try_git_fetch_tags" > "${objroot}VERSION" else cp ${srcroot}VERSION ${objroot}VERSION fi fi jemalloc_version=`cat "${objroot}VERSION"` jemalloc_version_major=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]1}'` jemalloc_version_minor=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]2}'` jemalloc_version_bugfix=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]3}'` jemalloc_version_nrev=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]4}'` jemalloc_version_gid=`echo ${jemalloc_version} | tr ".g-" " " | awk '{print [$]5}'` AC_SUBST([jemalloc_version]) AC_SUBST([jemalloc_version_major]) AC_SUBST([jemalloc_version_minor]) AC_SUBST([jemalloc_version_bugfix]) AC_SUBST([jemalloc_version_nrev]) AC_SUBST([jemalloc_version_gid]) dnl Platform-specific settings. abi and RPATH can probably be determined dnl programmatically, but doing so is error-prone, which makes it generally dnl not worth the trouble. dnl dnl Define cpp macros in CPPFLAGS, rather than doing AC_DEFINE(macro), since the dnl definitions need to be seen before any headers are included, which is a pain dnl to make happen otherwise. default_retain="0" zero_realloc_default_free="0" maps_coalesce="1" DUMP_SYMS="${NM} -a" SYM_PREFIX="" case "${host}" in *-*-darwin* | *-*-ios*) abi="macho" RPATH="" LD_PRELOAD_VAR="DYLD_INSERT_LIBRARIES" so="dylib" importlib="${so}" force_tls="0" DSO_LDFLAGS='-shared -Wl,-install_name,$(LIBDIR)/$(@F)' SOREV="${rev}.${so}" sbrk_deprecated="1" SYM_PREFIX="_" if test "${LG_SIZEOF_PTR}" = "3"; then default_retain="1" fi ;; *-*-freebsd*) JE_APPEND_VS(CPPFLAGS, -D_BSD_SOURCE) abi="elf" AC_DEFINE([JEMALLOC_SYSCTL_VM_OVERCOMMIT], [ ], [ ]) force_lazy_lock="1" ;; *-*-dragonfly*) abi="elf" ;; *-*-openbsd*) abi="elf" force_tls="0" ;; *-*-bitrig*) abi="elf" ;; *-*-linux-android*) dnl syscall(2) and secure_getenv(3) are exposed by _GNU_SOURCE. JE_APPEND_VS(CPPFLAGS, -D_GNU_SOURCE) abi="elf" glibc="0" AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED_ZEROS], [ ], [ ]) AC_DEFINE([JEMALLOC_HAS_ALLOCA_H], [ ], [ ]) AC_DEFINE([JEMALLOC_PROC_SYS_VM_OVERCOMMIT_MEMORY], [ ], [ ]) AC_DEFINE([JEMALLOC_THREADED_INIT], [ ], [ ]) AC_DEFINE([JEMALLOC_C11_ATOMICS], [ ], [ ]) force_tls="0" if test "${LG_SIZEOF_PTR}" = "3"; then default_retain="1" fi zero_realloc_default_free="1" ;; *-*-linux-musl*) dnl syscall(2) and secure_getenv(3) are exposed by _GNU_SOURCE. JE_APPEND_VS(CPPFLAGS, -D_GNU_SOURCE) abi="elf" AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED_ZEROS], [ ], [ ]) AC_DEFINE([JEMALLOC_HAS_ALLOCA_H], [ ], [ ]) AC_DEFINE([JEMALLOC_PROC_SYS_VM_OVERCOMMIT_MEMORY], [ ], [ ]) AC_DEFINE([JEMALLOC_THREADED_INIT], [ ], [ ]) if test "${LG_SIZEOF_PTR}" = "3"; then default_retain="1" fi zero_realloc_default_free="1" ;; *-*-linux*) dnl syscall(2) and secure_getenv(3) are exposed by _GNU_SOURCE. JE_APPEND_VS(CPPFLAGS, -D_GNU_SOURCE) abi="elf" glibc="1" AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED_ZEROS], [ ], [ ]) AC_DEFINE([JEMALLOC_HAS_ALLOCA_H], [ ], [ ]) AC_DEFINE([JEMALLOC_PROC_SYS_VM_OVERCOMMIT_MEMORY], [ ], [ ]) AC_DEFINE([JEMALLOC_THREADED_INIT], [ ], [ ]) AC_DEFINE([JEMALLOC_USE_CXX_THROW], [ ], [ ]) if test "${LG_SIZEOF_PTR}" = "3"; then default_retain="1" fi zero_realloc_default_free="1" ;; *-*-kfreebsd*) dnl syscall(2) and secure_getenv(3) are exposed by _GNU_SOURCE. JE_APPEND_VS(CPPFLAGS, -D_GNU_SOURCE) abi="elf" AC_DEFINE([JEMALLOC_HAS_ALLOCA_H], [ ], [ ]) AC_DEFINE([JEMALLOC_SYSCTL_VM_OVERCOMMIT], [ ], [ ]) AC_DEFINE([JEMALLOC_THREADED_INIT], [ ], [ ]) AC_DEFINE([JEMALLOC_USE_CXX_THROW], [ ], [ ]) ;; *-*-netbsd*) AC_MSG_CHECKING([ABI]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM( [[#ifdef __ELF__ /* ELF */ #else #error aout #endif ]])], [abi="elf"], [abi="aout"]) AC_MSG_RESULT([$abi]) ;; *-*-solaris2*) abi="elf" RPATH='-Wl,-R,$(1)' dnl Solaris needs this for sigwait(). JE_APPEND_VS(CPPFLAGS, -D_POSIX_PTHREAD_SEMANTICS) JE_APPEND_VS(LIBS, -lposix4 -lsocket -lnsl) ;; *-ibm-aix*) if test "${LG_SIZEOF_PTR}" = "3"; then dnl 64bit AIX LD_PRELOAD_VAR="LDR_PRELOAD64" else dnl 32bit AIX LD_PRELOAD_VAR="LDR_PRELOAD" fi abi="xcoff" ;; *-*-mingw* | *-*-cygwin*) abi="pecoff" force_tls="0" maps_coalesce="0" RPATH="" so="dll" if test "x$je_cv_msvc" = "xyes" ; then importlib="lib" DSO_LDFLAGS="-LD" EXTRA_LDFLAGS="-link -DEBUG" CTARGET='-Fo$@' LDTARGET='-Fe$@' AR='lib' ARFLAGS='-nologo -out:' AROUT='$@' CC_MM= else importlib="${so}" DSO_LDFLAGS="-shared" link_whole_archive="1" fi case "${host}" in *-*-cygwin*) DUMP_SYMS="dumpbin /SYMBOLS" ;; *) ;; esac a="lib" libprefix="" SOREV="${so}" PIC_CFLAGS="" if test "${LG_SIZEOF_PTR}" = "3"; then default_retain="1" fi zero_realloc_default_free="1" ;; *-*-nto-qnx) abi="elf" force_tls="0" AC_DEFINE([JEMALLOC_HAS_ALLOCA_H], [ ], [ ]) ;; *) AC_MSG_RESULT([Unsupported operating system: ${host}]) abi="elf" ;; esac JEMALLOC_USABLE_SIZE_CONST=const AC_CHECK_HEADERS([malloc.h], [ AC_MSG_CHECKING([whether malloc_usable_size definition can use const argument]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM( [#include #include size_t malloc_usable_size(const void *ptr); ], [])],[ AC_MSG_RESULT([yes]) ],[ JEMALLOC_USABLE_SIZE_CONST= AC_MSG_RESULT([no]) ]) ]) AC_DEFINE_UNQUOTED([JEMALLOC_USABLE_SIZE_CONST], [$JEMALLOC_USABLE_SIZE_CONST], [ ]) AC_SUBST([abi]) AC_SUBST([RPATH]) AC_SUBST([LD_PRELOAD_VAR]) AC_SUBST([so]) AC_SUBST([importlib]) AC_SUBST([o]) AC_SUBST([a]) AC_SUBST([exe]) AC_SUBST([libprefix]) AC_SUBST([link_whole_archive]) AC_SUBST([DSO_LDFLAGS]) AC_SUBST([EXTRA_LDFLAGS]) AC_SUBST([SOREV]) AC_SUBST([PIC_CFLAGS]) AC_SUBST([CTARGET]) AC_SUBST([LDTARGET]) AC_SUBST([TEST_LD_MODE]) AC_SUBST([MKLIB]) AC_SUBST([ARFLAGS]) AC_SUBST([AROUT]) AC_SUBST([DUMP_SYMS]) AC_SUBST([CC_MM]) dnl Determine whether libm must be linked to use e.g. log(3). AC_SEARCH_LIBS([log], [m], , [AC_MSG_ERROR([Missing math functions])]) if test "x$ac_cv_search_log" != "xnone required" ; then LM="$ac_cv_search_log" else LM= fi AC_SUBST(LM) JE_COMPILABLE([__attribute__ syntax], [static __attribute__((unused)) void foo(void){}], [], [je_cv_attribute]) if test "x${je_cv_attribute}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_ATTR], [ ], [ ]) if test "x${GCC}" = "xyes" -a "x${abi}" = "xelf"; then JE_CFLAGS_ADD([-fvisibility=hidden]) JE_CXXFLAGS_ADD([-fvisibility=hidden]) fi fi dnl Check for tls_model attribute support (clang 3.0 still lacks support). JE_CFLAGS_SAVE() JE_CFLAGS_ADD([-Werror]) JE_CFLAGS_ADD([-herror_on_warning]) JE_COMPILABLE([tls_model attribute], [], [static __thread int __attribute__((tls_model("initial-exec"), unused)) foo; foo = 0;], [je_cv_tls_model]) JE_CFLAGS_RESTORE() dnl (Setting of JEMALLOC_TLS_MODEL is done later, after we've checked for dnl --disable-initial-exec-tls) dnl Check for alloc_size attribute support. JE_CFLAGS_SAVE() JE_CFLAGS_ADD([-Werror]) JE_CFLAGS_ADD([-herror_on_warning]) JE_COMPILABLE([alloc_size attribute], [#include ], [void *foo(size_t size) __attribute__((alloc_size(1)));], [je_cv_alloc_size]) JE_CFLAGS_RESTORE() if test "x${je_cv_alloc_size}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_ATTR_ALLOC_SIZE], [ ], [ ]) fi dnl Check for format(gnu_printf, ...) attribute support. JE_CFLAGS_SAVE() JE_CFLAGS_ADD([-Werror]) JE_CFLAGS_ADD([-herror_on_warning]) JE_COMPILABLE([format(gnu_printf, ...) attribute], [#include ], [void *foo(const char *format, ...) __attribute__((format(gnu_printf, 1, 2)));], [je_cv_format_gnu_printf]) JE_CFLAGS_RESTORE() if test "x${je_cv_format_gnu_printf}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_ATTR_FORMAT_GNU_PRINTF], [ ], [ ]) fi dnl Check for format(printf, ...) attribute support. JE_CFLAGS_SAVE() JE_CFLAGS_ADD([-Werror]) JE_CFLAGS_ADD([-herror_on_warning]) JE_COMPILABLE([format(printf, ...) attribute], [#include ], [void *foo(const char *format, ...) __attribute__((format(printf, 1, 2)));], [je_cv_format_printf]) JE_CFLAGS_RESTORE() if test "x${je_cv_format_printf}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_ATTR_FORMAT_PRINTF], [ ], [ ]) fi dnl Check for format_arg(...) attribute support. JE_CFLAGS_SAVE() JE_CFLAGS_ADD([-Werror]) JE_CFLAGS_ADD([-herror_on_warning]) JE_COMPILABLE([format(printf, ...) attribute], [#include ], [const char * __attribute__((__format_arg__(1))) foo(const char *format);], [je_cv_format_arg]) JE_CFLAGS_RESTORE() if test "x${je_cv_format_arg}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_ATTR_FORMAT_ARG], [ ], [ ]) fi dnl Check for fallthrough attribute support. JE_CFLAGS_SAVE() JE_CFLAGS_ADD([-Wimplicit-fallthrough]) JE_COMPILABLE([fallthrough attribute], [#if !__has_attribute(fallthrough) #error "foo" #endif], [int x = 0; switch (x) { case 0: __attribute__((__fallthrough__)); case 1: return 1; }], [je_cv_fallthrough]) JE_CFLAGS_RESTORE() if test "x${je_cv_fallthrough}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_ATTR_FALLTHROUGH], [ ], [ ]) JE_CFLAGS_ADD([-Wimplicit-fallthrough]) JE_CXXFLAGS_ADD([-Wimplicit-fallthrough]) fi dnl Check for cold attribute support. JE_CFLAGS_SAVE() JE_CFLAGS_ADD([-Werror]) JE_CFLAGS_ADD([-herror_on_warning]) JE_COMPILABLE([cold attribute], [], [__attribute__((__cold__)) void foo();], [je_cv_cold]) JE_CFLAGS_RESTORE() if test "x${je_cv_cold}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_ATTR_COLD], [ ], [ ]) fi dnl Check for VM_MAKE_TAG for mmap support. JE_COMPILABLE([vm_make_tag], [#include #include ], [void *p; p = mmap(0, 16, PROT_READ, MAP_ANON|MAP_PRIVATE, VM_MAKE_TAG(1), 0); munmap(p, 16);], [je_cv_vm_make_tag]) if test "x${je_cv_vm_make_tag}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_VM_MAKE_TAG], [ ], [ ]) fi dnl Support optional additions to rpath. AC_ARG_WITH([rpath], [AS_HELP_STRING([--with-rpath=], [Colon-separated rpath (ELF systems only)])], if test "x$with_rpath" = "xno" ; then RPATH_EXTRA= else RPATH_EXTRA="`echo $with_rpath | tr \":\" \" \"`" fi, RPATH_EXTRA= ) AC_SUBST([RPATH_EXTRA]) dnl Disable rules that do automatic regeneration of configure output by default. AC_ARG_ENABLE([autogen], [AS_HELP_STRING([--enable-autogen], [Automatically regenerate configure output])], if test "x$enable_autogen" = "xno" ; then enable_autogen="0" else enable_autogen="1" fi , enable_autogen="0" ) AC_SUBST([enable_autogen]) AC_PROG_INSTALL AC_PROG_RANLIB AC_PATH_PROG([LD], [ld], [false], [$PATH]) AC_PATH_PROG([AUTOCONF], [autoconf], [false], [$PATH]) dnl Enable documentation AC_ARG_ENABLE([doc], [AS_HELP_STRING([--enable-doc], [Build documentation])], if test "x$enable_doc" = "xno" ; then enable_doc="0" else enable_doc="1" fi , enable_doc="1" ) AC_SUBST([enable_doc]) dnl Enable shared libs AC_ARG_ENABLE([shared], [AS_HELP_STRING([--enable-shared], [Build shared libaries])], if test "x$enable_shared" = "xno" ; then enable_shared="0" else enable_shared="1" fi , enable_shared="1" ) AC_SUBST([enable_shared]) dnl Enable static libs AC_ARG_ENABLE([static], [AS_HELP_STRING([--enable-static], [Build static libaries])], if test "x$enable_static" = "xno" ; then enable_static="0" else enable_static="1" fi , enable_static="1" ) AC_SUBST([enable_static]) if test "$enable_shared$enable_static" = "00" ; then AC_MSG_ERROR([Please enable one of shared or static builds]) fi dnl Perform no name mangling by default. AC_ARG_WITH([mangling], [AS_HELP_STRING([--with-mangling=], [Mangle symbols in ])], [mangling_map="$with_mangling"], [mangling_map=""]) dnl Do not prefix public APIs by default. AC_ARG_WITH([jemalloc_prefix], [AS_HELP_STRING([--with-jemalloc-prefix=], [Prefix to prepend to all public APIs])], [JEMALLOC_PREFIX="$with_jemalloc_prefix"], [if test "x$abi" != "xmacho" -a "x$abi" != "xpecoff"; then JEMALLOC_PREFIX="" else JEMALLOC_PREFIX="je_" fi] ) if test "x$JEMALLOC_PREFIX" = "x" ; then AC_DEFINE([JEMALLOC_IS_MALLOC], [ ], [ ]) else JEMALLOC_CPREFIX=`echo ${JEMALLOC_PREFIX} | tr "a-z" "A-Z"` AC_DEFINE_UNQUOTED([JEMALLOC_PREFIX], ["$JEMALLOC_PREFIX"], [ ]) AC_DEFINE_UNQUOTED([JEMALLOC_CPREFIX], ["$JEMALLOC_CPREFIX"], [ ]) fi AC_SUBST([JEMALLOC_PREFIX]) AC_SUBST([JEMALLOC_CPREFIX]) AC_ARG_WITH([export], [AS_HELP_STRING([--without-export], [disable exporting jemalloc public APIs])], [if test "x$with_export" = "xno"; then AC_DEFINE([JEMALLOC_EXPORT], [ ], [ ]) fi] ) public_syms="aligned_alloc calloc dallocx free mallctl mallctlbymib mallctlnametomib malloc malloc_conf malloc_conf_2_conf_harder malloc_message malloc_stats_print malloc_usable_size mallocx smallocx_${jemalloc_version_gid} nallocx posix_memalign rallocx realloc sallocx sdallocx xallocx" dnl Check for additional platform-specific public API functions. AC_CHECK_FUNC([memalign], [AC_DEFINE([JEMALLOC_OVERRIDE_MEMALIGN], [ ], [ ]) public_syms="${public_syms} memalign"]) AC_CHECK_FUNC([valloc], [AC_DEFINE([JEMALLOC_OVERRIDE_VALLOC], [ ], [ ]) public_syms="${public_syms} valloc"]) AC_CHECK_FUNC([pvalloc], [AC_DEFINE([JEMALLOC_OVERRIDE_PVALLOC], [ ], [ ]) public_syms="${public_syms} pvalloc"]) AC_CHECK_FUNC([malloc_size], [AC_DEFINE([JEMALLOC_HAVE_MALLOC_SIZE], [ ], [ ]) public_syms="${public_syms} malloc_size"]) dnl Check for allocator-related functions that should be wrapped. wrap_syms= if test "x${JEMALLOC_PREFIX}" = "x" ; then AC_CHECK_FUNC([__libc_calloc], [AC_DEFINE([JEMALLOC_OVERRIDE___LIBC_CALLOC], [ ], [ ]) wrap_syms="${wrap_syms} __libc_calloc"]) AC_CHECK_FUNC([__libc_free], [AC_DEFINE([JEMALLOC_OVERRIDE___LIBC_FREE], [ ], [ ]) wrap_syms="${wrap_syms} __libc_free"]) AC_CHECK_FUNC([__libc_malloc], [AC_DEFINE([JEMALLOC_OVERRIDE___LIBC_MALLOC], [ ], [ ]) wrap_syms="${wrap_syms} __libc_malloc"]) AC_CHECK_FUNC([__libc_memalign], [AC_DEFINE([JEMALLOC_OVERRIDE___LIBC_MEMALIGN], [ ], [ ]) wrap_syms="${wrap_syms} __libc_memalign"]) AC_CHECK_FUNC([__libc_realloc], [AC_DEFINE([JEMALLOC_OVERRIDE___LIBC_REALLOC], [ ], [ ]) wrap_syms="${wrap_syms} __libc_realloc"]) AC_CHECK_FUNC([__libc_valloc], [AC_DEFINE([JEMALLOC_OVERRIDE___LIBC_VALLOC], [ ], [ ]) wrap_syms="${wrap_syms} __libc_valloc"]) AC_CHECK_FUNC([__libc_pvalloc], [AC_DEFINE([JEMALLOC_OVERRIDE___LIBC_PVALLOC], [ ], [ ]) wrap_syms="${wrap_syms} __libc_pvalloc"]) AC_CHECK_FUNC([__posix_memalign], [AC_DEFINE([JEMALLOC_OVERRIDE___POSIX_MEMALIGN], [ ], [ ]) wrap_syms="${wrap_syms} __posix_memalign"]) fi case "${host}" in *-*-mingw* | *-*-cygwin*) wrap_syms="${wrap_syms} tls_callback" ;; *) ;; esac dnl Mangle library-private APIs. AC_ARG_WITH([private_namespace], [AS_HELP_STRING([--with-private-namespace=], [Prefix to prepend to all library-private APIs])], [JEMALLOC_PRIVATE_NAMESPACE="${with_private_namespace}je_"], [JEMALLOC_PRIVATE_NAMESPACE="je_"] ) AC_DEFINE_UNQUOTED([JEMALLOC_PRIVATE_NAMESPACE], [$JEMALLOC_PRIVATE_NAMESPACE], [ ]) private_namespace="$JEMALLOC_PRIVATE_NAMESPACE" AC_SUBST([private_namespace]) dnl Do not add suffix to installed files by default. AC_ARG_WITH([install_suffix], [AS_HELP_STRING([--with-install-suffix=], [Suffix to append to all installed files])], [case "$with_install_suffix" in *\ * ) AC_MSG_ERROR([Install suffix should not contain spaces]) ;; * ) INSTALL_SUFFIX="$with_install_suffix" ;; esac], [INSTALL_SUFFIX=] ) install_suffix="$INSTALL_SUFFIX" AC_SUBST([install_suffix]) dnl Specify default malloc_conf. AC_ARG_WITH([malloc_conf], [AS_HELP_STRING([--with-malloc-conf=], [config.malloc_conf options string])], [JEMALLOC_CONFIG_MALLOC_CONF="$with_malloc_conf"], [JEMALLOC_CONFIG_MALLOC_CONF=""] ) config_malloc_conf="$JEMALLOC_CONFIG_MALLOC_CONF" AC_DEFINE_UNQUOTED([JEMALLOC_CONFIG_MALLOC_CONF], ["$config_malloc_conf"], [ ]) dnl Substitute @je_@ in jemalloc_protos.h.in, primarily to make generation of dnl jemalloc_protos_jet.h easy. je_="je_" AC_SUBST([je_]) cfgoutputs_in="Makefile.in" cfgoutputs_in="${cfgoutputs_in} jemalloc.pc.in" cfgoutputs_in="${cfgoutputs_in} doc/html.xsl.in" cfgoutputs_in="${cfgoutputs_in} doc/manpages.xsl.in" cfgoutputs_in="${cfgoutputs_in} doc/jemalloc.xml.in" cfgoutputs_in="${cfgoutputs_in} include/jemalloc/jemalloc_macros.h.in" cfgoutputs_in="${cfgoutputs_in} include/jemalloc/jemalloc_protos.h.in" cfgoutputs_in="${cfgoutputs_in} include/jemalloc/jemalloc_typedefs.h.in" cfgoutputs_in="${cfgoutputs_in} include/jemalloc/internal/jemalloc_preamble.h.in" cfgoutputs_in="${cfgoutputs_in} test/test.sh.in" cfgoutputs_in="${cfgoutputs_in} test/include/test/jemalloc_test.h.in" cfgoutputs_out="Makefile" cfgoutputs_out="${cfgoutputs_out} jemalloc.pc" cfgoutputs_out="${cfgoutputs_out} doc/html.xsl" cfgoutputs_out="${cfgoutputs_out} doc/manpages.xsl" cfgoutputs_out="${cfgoutputs_out} doc/jemalloc.xml" cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc_macros.h" cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc_protos.h" cfgoutputs_out="${cfgoutputs_out} include/jemalloc/jemalloc_typedefs.h" cfgoutputs_out="${cfgoutputs_out} include/jemalloc/internal/jemalloc_preamble.h" cfgoutputs_out="${cfgoutputs_out} test/test.sh" cfgoutputs_out="${cfgoutputs_out} test/include/test/jemalloc_test.h" cfgoutputs_tup="Makefile" cfgoutputs_tup="${cfgoutputs_tup} jemalloc.pc:jemalloc.pc.in" cfgoutputs_tup="${cfgoutputs_tup} doc/html.xsl:doc/html.xsl.in" cfgoutputs_tup="${cfgoutputs_tup} doc/manpages.xsl:doc/manpages.xsl.in" cfgoutputs_tup="${cfgoutputs_tup} doc/jemalloc.xml:doc/jemalloc.xml.in" cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc_macros.h:include/jemalloc/jemalloc_macros.h.in" cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc_protos.h:include/jemalloc/jemalloc_protos.h.in" cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/jemalloc_typedefs.h:include/jemalloc/jemalloc_typedefs.h.in" cfgoutputs_tup="${cfgoutputs_tup} include/jemalloc/internal/jemalloc_preamble.h" cfgoutputs_tup="${cfgoutputs_tup} test/test.sh:test/test.sh.in" cfgoutputs_tup="${cfgoutputs_tup} test/include/test/jemalloc_test.h:test/include/test/jemalloc_test.h.in" cfghdrs_in="include/jemalloc/jemalloc_defs.h.in" cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/jemalloc_internal_defs.h.in" cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/private_symbols.sh" cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/private_namespace.sh" cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/public_namespace.sh" cfghdrs_in="${cfghdrs_in} include/jemalloc/internal/public_unnamespace.sh" cfghdrs_in="${cfghdrs_in} include/jemalloc/jemalloc_rename.sh" cfghdrs_in="${cfghdrs_in} include/jemalloc/jemalloc_mangle.sh" cfghdrs_in="${cfghdrs_in} include/jemalloc/jemalloc.sh" cfghdrs_in="${cfghdrs_in} test/include/test/jemalloc_test_defs.h.in" cfghdrs_out="include/jemalloc/jemalloc_defs.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc${install_suffix}.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/private_symbols.awk" cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/private_symbols_jet.awk" cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_symbols.txt" cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_namespace.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/public_unnamespace.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_protos_jet.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_rename.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_mangle.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/jemalloc_mangle_jet.h" cfghdrs_out="${cfghdrs_out} include/jemalloc/internal/jemalloc_internal_defs.h" cfghdrs_out="${cfghdrs_out} test/include/test/jemalloc_test_defs.h" cfghdrs_tup="include/jemalloc/jemalloc_defs.h:include/jemalloc/jemalloc_defs.h.in" cfghdrs_tup="${cfghdrs_tup} include/jemalloc/internal/jemalloc_internal_defs.h:include/jemalloc/internal/jemalloc_internal_defs.h.in" cfghdrs_tup="${cfghdrs_tup} test/include/test/jemalloc_test_defs.h:test/include/test/jemalloc_test_defs.h.in" dnl ============================================================================ dnl jemalloc build options. dnl dnl Do not compile with debugging by default. AC_ARG_ENABLE([debug], [AS_HELP_STRING([--enable-debug], [Build debugging code])], [if test "x$enable_debug" = "xno" ; then enable_debug="0" else enable_debug="1" fi ], [enable_debug="0"] ) if test "x$enable_debug" = "x1" ; then AC_DEFINE([JEMALLOC_DEBUG], [ ], [ ]) fi AC_SUBST([enable_debug]) dnl Only optimize if not debugging. if test "x$enable_debug" = "x0" ; then if test "x$GCC" = "xyes" ; then JE_CFLAGS_ADD([-O3]) JE_CXXFLAGS_ADD([-O3]) JE_CFLAGS_ADD([-funroll-loops]) elif test "x$je_cv_msvc" = "xyes" ; then JE_CFLAGS_ADD([-O2]) JE_CXXFLAGS_ADD([-O2]) else JE_CFLAGS_ADD([-O]) JE_CXXFLAGS_ADD([-O]) fi fi dnl Enable statistics calculation by default. AC_ARG_ENABLE([stats], [AS_HELP_STRING([--disable-stats], [Disable statistics calculation/reporting])], [if test "x$enable_stats" = "xno" ; then enable_stats="0" else enable_stats="1" fi ], [enable_stats="1"] ) if test "x$enable_stats" = "x1" ; then AC_DEFINE([JEMALLOC_STATS], [ ], [ ]) fi AC_SUBST([enable_stats]) dnl Do not enable smallocx by default. AC_ARG_ENABLE([experimental_smallocx], [AS_HELP_STRING([--enable-experimental-smallocx], [Enable experimental smallocx API])], [if test "x$enable_experimental_smallocx" = "xno" ; then enable_experimental_smallocx="0" else enable_experimental_smallocx="1" fi ], [enable_experimental_smallocx="0"] ) if test "x$enable_experimental_smallocx" = "x1" ; then AC_DEFINE([JEMALLOC_EXPERIMENTAL_SMALLOCX_API], [ ], [ ]) fi AC_SUBST([enable_experimental_smallocx]) dnl Do not enable profiling by default. AC_ARG_ENABLE([prof], [AS_HELP_STRING([--enable-prof], [Enable allocation profiling])], [if test "x$enable_prof" = "xno" ; then enable_prof="0" else enable_prof="1" fi ], [enable_prof="0"] ) if test "x$enable_prof" = "x1" ; then backtrace_method="" else backtrace_method="N/A" fi AC_ARG_ENABLE([prof-libunwind], [AS_HELP_STRING([--enable-prof-libunwind], [Use libunwind for backtracing])], [if test "x$enable_prof_libunwind" = "xno" ; then enable_prof_libunwind="0" else enable_prof_libunwind="1" if test "x$enable_prof" = "x0" ; then AC_MSG_ERROR([--enable-prof-libunwind should only be used with --enable-prof]) fi fi ], [enable_prof_libunwind="0"] ) AC_ARG_WITH([static_libunwind], [AS_HELP_STRING([--with-static-libunwind=], [Path to static libunwind library; use rather than dynamically linking])], if test "x$with_static_libunwind" = "xno" ; then LUNWIND="-lunwind" else if test ! -f "$with_static_libunwind" ; then AC_MSG_ERROR([Static libunwind not found: $with_static_libunwind]) fi LUNWIND="$with_static_libunwind" fi, LUNWIND="-lunwind" ) if test "x$backtrace_method" = "x" -a "x$enable_prof_libunwind" = "x1" ; then AC_CHECK_HEADERS([libunwind.h], , [enable_prof_libunwind="0"]) if test "x$LUNWIND" = "x-lunwind" ; then AC_CHECK_LIB([unwind], [unw_backtrace], [JE_APPEND_VS(LIBS, $LUNWIND)], [enable_prof_libunwind="0"]) else JE_APPEND_VS(LIBS, $LUNWIND) fi if test "x${enable_prof_libunwind}" = "x1" ; then backtrace_method="libunwind" AC_DEFINE([JEMALLOC_PROF_LIBUNWIND], [ ], [ ]) fi fi AC_ARG_ENABLE([prof-libgcc], [AS_HELP_STRING([--disable-prof-libgcc], [Do not use libgcc for backtracing])], [if test "x$enable_prof_libgcc" = "xno" ; then enable_prof_libgcc="0" else enable_prof_libgcc="1" fi ], [enable_prof_libgcc="1"] ) if test "x$backtrace_method" = "x" -a "x$enable_prof_libgcc" = "x1" \ -a "x$GCC" = "xyes" ; then AC_CHECK_HEADERS([unwind.h], , [enable_prof_libgcc="0"]) if test "x${enable_prof_libgcc}" = "x1" ; then AC_CHECK_LIB([gcc], [_Unwind_Backtrace], [JE_APPEND_VS(LIBS, -lgcc)], [enable_prof_libgcc="0"]) fi if test "x${enable_prof_libgcc}" = "x1" ; then backtrace_method="libgcc" AC_DEFINE([JEMALLOC_PROF_LIBGCC], [ ], [ ]) fi else enable_prof_libgcc="0" fi AC_ARG_ENABLE([prof-gcc], [AS_HELP_STRING([--disable-prof-gcc], [Do not use gcc intrinsics for backtracing])], [if test "x$enable_prof_gcc" = "xno" ; then enable_prof_gcc="0" else enable_prof_gcc="1" fi ], [enable_prof_gcc="1"] ) if test "x$backtrace_method" = "x" -a "x$enable_prof_gcc" = "x1" \ -a "x$GCC" = "xyes" ; then JE_CFLAGS_ADD([-fno-omit-frame-pointer]) backtrace_method="gcc intrinsics" AC_DEFINE([JEMALLOC_PROF_GCC], [ ], [ ]) else enable_prof_gcc="0" fi if test "x$backtrace_method" = "x" ; then backtrace_method="none (disabling profiling)" enable_prof="0" fi AC_MSG_CHECKING([configured backtracing method]) AC_MSG_RESULT([$backtrace_method]) if test "x$enable_prof" = "x1" ; then dnl Heap profiling uses the log(3) function. JE_APPEND_VS(LIBS, $LM) AC_DEFINE([JEMALLOC_PROF], [ ], [ ]) fi AC_SUBST([enable_prof]) dnl Indicate whether adjacent virtual memory mappings automatically coalesce dnl (and fragment on demand). if test "x${maps_coalesce}" = "x1" ; then AC_DEFINE([JEMALLOC_MAPS_COALESCE], [ ], [ ]) fi dnl Indicate whether to retain memory (rather than using munmap()) by default. if test "x$default_retain" = "x1" ; then AC_DEFINE([JEMALLOC_RETAIN], [ ], [ ]) fi dnl Indicate whether realloc(ptr, 0) defaults to the "alloc" behavior. if test "x$zero_realloc_default_free" = "x1" ; then AC_DEFINE([JEMALLOC_ZERO_REALLOC_DEFAULT_FREE], [ ], [ ]) fi dnl Enable allocation from DSS if supported by the OS. have_dss="1" dnl Check whether the BSD/SUSv1 sbrk() exists. If not, disable DSS support. AC_CHECK_FUNC([sbrk], [have_sbrk="1"], [have_sbrk="0"]) if test "x$have_sbrk" = "x1" ; then if test "x$sbrk_deprecated" = "x1" ; then AC_MSG_RESULT([Disabling dss allocation because sbrk is deprecated]) have_dss="0" fi else have_dss="0" fi if test "x$have_dss" = "x1" ; then AC_DEFINE([JEMALLOC_DSS], [ ], [ ]) fi dnl Support the junk/zero filling option by default. AC_ARG_ENABLE([fill], [AS_HELP_STRING([--disable-fill], [Disable support for junk/zero filling])], [if test "x$enable_fill" = "xno" ; then enable_fill="0" else enable_fill="1" fi ], [enable_fill="1"] ) if test "x$enable_fill" = "x1" ; then AC_DEFINE([JEMALLOC_FILL], [ ], [ ]) fi AC_SUBST([enable_fill]) dnl Disable utrace(2)-based tracing by default. AC_ARG_ENABLE([utrace], [AS_HELP_STRING([--enable-utrace], [Enable utrace(2)-based tracing])], [if test "x$enable_utrace" = "xno" ; then enable_utrace="0" else enable_utrace="1" fi ], [enable_utrace="0"] ) JE_COMPILABLE([utrace(2)], [ #include #include #include #include #include ], [ utrace((void *)0, 0); ], [je_cv_utrace]) if test "x${je_cv_utrace}" = "xno" ; then JE_COMPILABLE([utrace(2) with label], [ #include #include #include #include #include ], [ utrace((void *)0, (void *)0, 0); ], [je_cv_utrace_label]) if test "x${je_cv_utrace_label}" = "xno"; then enable_utrace="0" fi if test "x$enable_utrace" = "x1" ; then AC_DEFINE([JEMALLOC_UTRACE_LABEL], [ ], [ ]) fi else if test "x$enable_utrace" = "x1" ; then AC_DEFINE([JEMALLOC_UTRACE], [ ], [ ]) fi fi AC_SUBST([enable_utrace]) dnl Do not support the xmalloc option by default. AC_ARG_ENABLE([xmalloc], [AS_HELP_STRING([--enable-xmalloc], [Support xmalloc option])], [if test "x$enable_xmalloc" = "xno" ; then enable_xmalloc="0" else enable_xmalloc="1" fi ], [enable_xmalloc="0"] ) if test "x$enable_xmalloc" = "x1" ; then AC_DEFINE([JEMALLOC_XMALLOC], [ ], [ ]) fi AC_SUBST([enable_xmalloc]) dnl Support cache-oblivious allocation alignment by default. AC_ARG_ENABLE([cache-oblivious], [AS_HELP_STRING([--disable-cache-oblivious], [Disable support for cache-oblivious allocation alignment])], [if test "x$enable_cache_oblivious" = "xno" ; then enable_cache_oblivious="0" else enable_cache_oblivious="1" fi ], [enable_cache_oblivious="1"] ) if test "x$enable_cache_oblivious" = "x1" ; then AC_DEFINE([JEMALLOC_CACHE_OBLIVIOUS], [ ], [ ]) fi AC_SUBST([enable_cache_oblivious]) dnl Do not log by default. AC_ARG_ENABLE([log], [AS_HELP_STRING([--enable-log], [Support debug logging])], [if test "x$enable_log" = "xno" ; then enable_log="0" else enable_log="1" fi ], [enable_log="0"] ) if test "x$enable_log" = "x1" ; then AC_DEFINE([JEMALLOC_LOG], [ ], [ ]) fi AC_SUBST([enable_log]) dnl Do not use readlinkat by default AC_ARG_ENABLE([readlinkat], [AS_HELP_STRING([--enable-readlinkat], [Use readlinkat over readlink])], [if test "x$enable_readlinkat" = "xno" ; then enable_readlinkat="0" else enable_readlinkat="1" fi ], [enable_readlinkat="0"] ) if test "x$enable_readlinkat" = "x1" ; then AC_DEFINE([JEMALLOC_READLINKAT], [ ], [ ]) fi AC_SUBST([enable_readlinkat]) dnl Do not force getenv by default AC_ARG_ENABLE([force-getenv], [AS_HELP_STRING([--enable-force-getenv], [Use getenv over secure_getenv])], [if test "x$enable_force_getenv" = "xno" ; then enable_force_getenv="0" else enable_force_getenv="1" fi ], [enable_force_getenv="0"] ) if test "x$enable_force_getenv" = "x1" ; then AC_DEFINE([JEMALLOC_FORCE_GETENV], [ ], [ ]) fi AC_SUBST([force_getenv]) dnl Avoid extra safety checks by default AC_ARG_ENABLE([opt-safety-checks], [AS_HELP_STRING([--enable-opt-safety-checks], [Perform certain low-overhead checks, even in opt mode])], [if test "x$enable_opt_safety_checks" = "xno" ; then enable_opt_safety_checks="0" else enable_opt_safety_checks="1" fi ], [enable_opt_safety_checks="0"] ) if test "x$enable_opt_safety_checks" = "x1" ; then AC_DEFINE([JEMALLOC_OPT_SAFETY_CHECKS], [ ], [ ]) fi AC_SUBST([enable_opt_safety_checks]) dnl Look for sized-deallocation bugs while otherwise being in opt mode. AC_ARG_ENABLE([opt-size-checks], [AS_HELP_STRING([--enable-opt-size-checks], [Perform sized-deallocation argument checks, even in opt mode])], [if test "x$enable_opt_size_checks" = "xno" ; then enable_opt_size_checks="0" else enable_opt_size_checks="1" fi ], [enable_opt_size_checks="0"] ) if test "x$enable_opt_size_checks" = "x1" ; then AC_DEFINE([JEMALLOC_OPT_SIZE_CHECKS], [ ], [ ]) fi AC_SUBST([enable_opt_size_checks]) dnl Do not check for use-after-free by default. AC_ARG_ENABLE([uaf-detection], [AS_HELP_STRING([--enable-uaf-detection], [Allow sampled junk-filling on deallocation to detect use-after-free])], [if test "x$enable_uaf_detection" = "xno" ; then enable_uaf_detection="0" else enable_uaf_detection="1" fi ], [enable_uaf_detection="0"] ) if test "x$enable_uaf_detection" = "x1" ; then AC_DEFINE([JEMALLOC_UAF_DETECTION], [ ], [ ]) fi AC_SUBST([enable_uaf_detection]) JE_COMPILABLE([a program using __builtin_unreachable], [ void foo (void) { __builtin_unreachable(); } ], [ { foo(); } ], [je_cv_gcc_builtin_unreachable]) if test "x${je_cv_gcc_builtin_unreachable}" = "xyes" ; then AC_DEFINE([JEMALLOC_INTERNAL_UNREACHABLE], [__builtin_unreachable], [ ]) else AC_DEFINE([JEMALLOC_INTERNAL_UNREACHABLE], [abort], [ ]) fi dnl ============================================================================ dnl Check for __builtin_ffsl(), then ffsl(3), and fail if neither are found. dnl One of those two functions should (theoretically) exist on all platforms dnl that jemalloc currently has a chance of functioning on without modification. dnl We additionally assume ffs[ll]() or __builtin_ffs[ll]() are defined if dnl ffsl() or __builtin_ffsl() are defined, respectively. JE_COMPILABLE([a program using __builtin_ffsl], [ #include #include #include ], [ { int rv = __builtin_ffsl(0x08); printf("%d\n", rv); } ], [je_cv_gcc_builtin_ffsl]) if test "x${je_cv_gcc_builtin_ffsl}" = "xyes" ; then AC_DEFINE([JEMALLOC_INTERNAL_FFSLL], [__builtin_ffsll], [ ]) AC_DEFINE([JEMALLOC_INTERNAL_FFSL], [__builtin_ffsl], [ ]) AC_DEFINE([JEMALLOC_INTERNAL_FFS], [__builtin_ffs], [ ]) else JE_COMPILABLE([a program using ffsl], [ #include #include #include ], [ { int rv = ffsl(0x08); printf("%d\n", rv); } ], [je_cv_function_ffsl]) if test "x${je_cv_function_ffsl}" = "xyes" ; then AC_DEFINE([JEMALLOC_INTERNAL_FFSLL], [ffsll], [ ]) AC_DEFINE([JEMALLOC_INTERNAL_FFSL], [ffsl], [ ]) AC_DEFINE([JEMALLOC_INTERNAL_FFS], [ffs], [ ]) else AC_MSG_ERROR([Cannot build without ffsl(3) or __builtin_ffsl()]) fi fi JE_COMPILABLE([a program using __builtin_popcountl], [ #include #include #include ], [ { int rv = __builtin_popcountl(0x08); printf("%d\n", rv); } ], [je_cv_gcc_builtin_popcountl]) if test "x${je_cv_gcc_builtin_popcountl}" = "xyes" ; then AC_DEFINE([JEMALLOC_INTERNAL_POPCOUNT], [__builtin_popcount], [ ]) AC_DEFINE([JEMALLOC_INTERNAL_POPCOUNTL], [__builtin_popcountl], [ ]) AC_DEFINE([JEMALLOC_INTERNAL_POPCOUNTLL], [__builtin_popcountll], [ ]) fi AC_ARG_WITH([lg_quantum], [AS_HELP_STRING([--with-lg-quantum=], [Base 2 log of minimum allocation alignment])]) if test "x$with_lg_quantum" != "x" ; then AC_DEFINE_UNQUOTED([LG_QUANTUM], [$with_lg_quantum], [ ]) fi AC_ARG_WITH([lg_slab_maxregs], [AS_HELP_STRING([--with-lg-slab-maxregs=], [Base 2 log of maximum number of regions in a slab (used with malloc_conf slab_sizes)])], [CONFIG_LG_SLAB_MAXREGS="with_lg_slab_maxregs"], [CONFIG_LG_SLAB_MAXREGS=""]) if test "x$with_lg_slab_maxregs" != "x" ; then AC_DEFINE_UNQUOTED([CONFIG_LG_SLAB_MAXREGS], [$with_lg_slab_maxregs], [ ]) fi AC_ARG_WITH([lg_page], [AS_HELP_STRING([--with-lg-page=], [Base 2 log of system page size])], [LG_PAGE="$with_lg_page"], [LG_PAGE="detect"]) case "${host}" in aarch64-apple-darwin*) dnl When cross-compile for Apple M1 and no page size specified, use the dnl default and skip detecting the page size (which is likely incorrect). if test "x${host}" != "x${build}" -a "x$LG_PAGE" = "xdetect"; then LG_PAGE=14 fi ;; esac if test "x$LG_PAGE" = "xdetect"; then AC_CACHE_CHECK([LG_PAGE], [je_cv_lg_page], AC_RUN_IFELSE([AC_LANG_PROGRAM( [[ #include #ifdef _WIN32 #include #else #include #endif #include ]], [[ int result; FILE *f; #ifdef _WIN32 SYSTEM_INFO si; GetSystemInfo(&si); result = si.dwPageSize; #else result = sysconf(_SC_PAGESIZE); #endif if (result == -1) { return 1; } result = JEMALLOC_INTERNAL_FFSL(result) - 1; f = fopen("conftest.out", "w"); if (f == NULL) { return 1; } fprintf(f, "%d", result); fclose(f); return 0; ]])], [je_cv_lg_page=`cat conftest.out`], [je_cv_lg_page=undefined], [je_cv_lg_page=12])) fi if test "x${je_cv_lg_page}" != "x" ; then LG_PAGE="${je_cv_lg_page}" fi if test "x${LG_PAGE}" != "xundefined" ; then AC_DEFINE_UNQUOTED([LG_PAGE], [$LG_PAGE], [ ]) else AC_MSG_ERROR([cannot determine value for LG_PAGE]) fi AC_ARG_WITH([lg_hugepage], [AS_HELP_STRING([--with-lg-hugepage=], [Base 2 log of system huge page size])], [je_cv_lg_hugepage="${with_lg_hugepage}"], [je_cv_lg_hugepage=""]) if test "x${je_cv_lg_hugepage}" = "x" ; then dnl Look in /proc/meminfo (Linux-specific) for information on the default huge dnl page size, if any. The relevant line looks like: dnl dnl Hugepagesize: 2048 kB if test -e "/proc/meminfo" ; then hpsk=[`cat /proc/meminfo 2>/dev/null | \ grep -e '^Hugepagesize:[[:space:]]\+[0-9]\+[[:space:]]kB$' | \ awk '{print $2}'`] if test "x${hpsk}" != "x" ; then je_cv_lg_hugepage=10 while test "${hpsk}" -gt 1 ; do hpsk="$((hpsk / 2))" je_cv_lg_hugepage="$((je_cv_lg_hugepage + 1))" done fi fi dnl Set default if unable to automatically configure. if test "x${je_cv_lg_hugepage}" = "x" ; then je_cv_lg_hugepage=21 fi fi if test "x${LG_PAGE}" != "xundefined" -a \ "${je_cv_lg_hugepage}" -lt "${LG_PAGE}" ; then AC_MSG_ERROR([Huge page size (2^${je_cv_lg_hugepage}) must be at least page size (2^${LG_PAGE})]) fi AC_DEFINE_UNQUOTED([LG_HUGEPAGE], [${je_cv_lg_hugepage}], [ ]) dnl ============================================================================ dnl Enable libdl by default. AC_ARG_ENABLE([libdl], [AS_HELP_STRING([--disable-libdl], [Do not use libdl])], [if test "x$enable_libdl" = "xno" ; then enable_libdl="0" else enable_libdl="1" fi ], [enable_libdl="1"] ) AC_SUBST([libdl]) dnl ============================================================================ dnl Configure pthreads. if test "x$abi" != "xpecoff" ; then AC_DEFINE([JEMALLOC_HAVE_PTHREAD], [ ], [ ]) AC_CHECK_HEADERS([pthread.h], , [AC_MSG_ERROR([pthread.h is missing])]) dnl Some systems may embed pthreads functionality in libc; check for libpthread dnl first, but try libc too before failing. AC_CHECK_LIB([pthread], [pthread_create], [JE_APPEND_VS(LIBS, -pthread)], [AC_SEARCH_LIBS([pthread_create], , , AC_MSG_ERROR([libpthread is missing]))]) wrap_syms="${wrap_syms} pthread_create" have_pthread="1" dnl Check if we have dlsym support. if test "x$enable_libdl" = "x1" ; then have_dlsym="1" AC_CHECK_HEADERS([dlfcn.h], AC_CHECK_FUNC([dlsym], [], [AC_CHECK_LIB([dl], [dlsym], [LIBS="$LIBS -ldl"], [have_dlsym="0"])]), [have_dlsym="0"]) if test "x$have_dlsym" = "x1" ; then AC_DEFINE([JEMALLOC_HAVE_DLSYM], [ ], [ ]) fi else have_dlsym="0" fi JE_COMPILABLE([pthread_atfork(3)], [ #include ], [ pthread_atfork((void *)0, (void *)0, (void *)0); ], [je_cv_pthread_atfork]) if test "x${je_cv_pthread_atfork}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_PTHREAD_ATFORK], [ ], [ ]) fi dnl Check if pthread_setname_np is available with the expected API. JE_COMPILABLE([pthread_setname_np(3)], [ #include ], [ pthread_setname_np(pthread_self(), "setname_test"); ], [je_cv_pthread_setname_np]) if test "x${je_cv_pthread_setname_np}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_PTHREAD_SETNAME_NP], [ ], [ ]) fi dnl Check if pthread_getname_np is not necessarily present despite dnl the pthread_setname_np counterpart JE_COMPILABLE([pthread_getname_np(3)], [ #include #include ], [ { char *name = malloc(16); pthread_getname_np(pthread_self(), name, 16); free(name); } ], [je_cv_pthread_getname_np]) if test "x${je_cv_pthread_getname_np}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_PTHREAD_GETNAME_NP], [ ], [ ]) fi dnl Check if pthread_set_name_np is available with the expected API. JE_COMPILABLE([pthread_set_name_np(3)], [ #include #include ], [ pthread_set_name_np(pthread_self(), "set_name_test"); ], [je_cv_pthread_set_name_np]) if test "x${je_cv_pthread_set_name_np}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_PTHREAD_SET_NAME_NP], [ ], [ ]) fi dnl Check if pthread_get_name_np is not necessarily present despite dnl the pthread_set_name_np counterpart JE_COMPILABLE([pthread_get_name_np(3)], [ #include #include #include ], [ { char *name = malloc(16); pthread_get_name_np(pthread_self(), name, 16); free(name); } ], [je_cv_pthread_get_name_np]) if test "x${je_cv_pthread_get_name_np}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_PTHREAD_GET_NAME_NP], [ ], [ ]) fi fi JE_APPEND_VS(CPPFLAGS, -D_REENTRANT) dnl Check whether clock_gettime(2) is in libc or librt. AC_SEARCH_LIBS([clock_gettime], [rt]) dnl Cray wrapper compiler often adds `-lrt` when using `-static`. Check with dnl `-dynamic` as well in case a user tries to dynamically link in jemalloc if test "x$je_cv_cray_prgenv_wrapper" = "xyes" ; then if test "$ac_cv_search_clock_gettime" != "-lrt"; then JE_CFLAGS_SAVE() unset ac_cv_search_clock_gettime JE_CFLAGS_ADD([-dynamic]) AC_SEARCH_LIBS([clock_gettime], [rt]) JE_CFLAGS_RESTORE() fi fi dnl check for CLOCK_MONOTONIC_COARSE (Linux-specific). JE_COMPILABLE([clock_gettime(CLOCK_MONOTONIC_COARSE, ...)], [ #include ], [ struct timespec ts; clock_gettime(CLOCK_MONOTONIC_COARSE, &ts); ], [je_cv_clock_monotonic_coarse]) if test "x${je_cv_clock_monotonic_coarse}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_CLOCK_MONOTONIC_COARSE], [ ], [ ]) fi dnl check for CLOCK_MONOTONIC. JE_COMPILABLE([clock_gettime(CLOCK_MONOTONIC, ...)], [ #include #include ], [ struct timespec ts; clock_gettime(CLOCK_MONOTONIC, &ts); #if !defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK < 0 # error _POSIX_MONOTONIC_CLOCK missing/invalid #endif ], [je_cv_clock_monotonic]) if test "x${je_cv_clock_monotonic}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_CLOCK_MONOTONIC], [ ], [ ]) fi dnl Check for mach_absolute_time(). JE_COMPILABLE([mach_absolute_time()], [ #include ], [ mach_absolute_time(); ], [je_cv_mach_absolute_time]) if test "x${je_cv_mach_absolute_time}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_MACH_ABSOLUTE_TIME], [ ], [ ]) fi dnl check for CLOCK_REALTIME (always should be available on Linux) JE_COMPILABLE([clock_gettime(CLOCK_REALTIME, ...)], [ #include ], [ struct timespec ts; clock_gettime(CLOCK_REALTIME, &ts); ], [je_cv_clock_realtime]) if test "x${je_cv_clock_realtime}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_CLOCK_REALTIME], [ ], [ ]) fi dnl Use syscall(2) (if available) by default. AC_ARG_ENABLE([syscall], [AS_HELP_STRING([--disable-syscall], [Disable use of syscall(2)])], [if test "x$enable_syscall" = "xno" ; then enable_syscall="0" else enable_syscall="1" fi ], [enable_syscall="1"] ) if test "x$enable_syscall" = "x1" ; then dnl Check if syscall(2) is usable. Treat warnings as errors, so that e.g. OS dnl X 10.12's deprecation warning prevents use. JE_CFLAGS_SAVE() JE_CFLAGS_ADD([-Werror]) JE_COMPILABLE([syscall(2)], [ #include #include ], [ syscall(SYS_write, 2, "hello", 5); ], [je_cv_syscall]) JE_CFLAGS_RESTORE() if test "x$je_cv_syscall" = "xyes" ; then AC_DEFINE([JEMALLOC_USE_SYSCALL], [ ], [ ]) fi fi dnl Check if the GNU-specific secure_getenv function exists. AC_CHECK_FUNC([secure_getenv], [have_secure_getenv="1"], [have_secure_getenv="0"] ) if test "x$have_secure_getenv" = "x1" ; then AC_DEFINE([JEMALLOC_HAVE_SECURE_GETENV], [ ], [ ]) fi dnl Check if the GNU-specific sched_getcpu function exists. AC_CHECK_FUNC([sched_getcpu], [have_sched_getcpu="1"], [have_sched_getcpu="0"] ) if test "x$have_sched_getcpu" = "x1" ; then AC_DEFINE([JEMALLOC_HAVE_SCHED_GETCPU], [ ], [ ]) fi dnl Check if the GNU-specific sched_setaffinity function exists. AC_CHECK_FUNC([sched_setaffinity], [have_sched_setaffinity="1"], [have_sched_setaffinity="0"] ) if test "x$have_sched_setaffinity" = "x1" ; then AC_DEFINE([JEMALLOC_HAVE_SCHED_SETAFFINITY], [ ], [ ]) fi dnl Check if the pthread_setaffinity_np function exists. AC_CHECK_FUNC([pthread_setaffinity_np], [have_pthread_setaffinity_np="1"], [have_pthread_setaffinity_np="0"] ) if test "x$have_pthread_setaffinity_np" = "x1" ; then AC_DEFINE([JEMALLOC_HAVE_PTHREAD_SETAFFINITY_NP], [ ], [ ]) fi dnl Check if the Solaris/BSD issetugid function exists. AC_CHECK_FUNC([issetugid], [have_issetugid="1"], [have_issetugid="0"] ) if test "x$have_issetugid" = "x1" ; then AC_DEFINE([JEMALLOC_HAVE_ISSETUGID], [ ], [ ]) fi dnl Check whether the BSD-specific _malloc_thread_cleanup() exists. If so, use dnl it rather than pthreads TSD cleanup functions to support cleanup during dnl thread exit, in order to avoid pthreads library recursion during dnl bootstrapping. AC_CHECK_FUNC([_malloc_thread_cleanup], [have__malloc_thread_cleanup="1"], [have__malloc_thread_cleanup="0"] ) if test "x$have__malloc_thread_cleanup" = "x1" ; then AC_DEFINE([JEMALLOC_MALLOC_THREAD_CLEANUP], [ ], [ ]) wrap_syms="${wrap_syms} _malloc_thread_cleanup _malloc_tsd_cleanup_register" force_tls="1" fi dnl Check whether the BSD-specific _pthread_mutex_init_calloc_cb() exists. If dnl so, mutex initialization causes allocation, and we need to implement this dnl callback function in order to prevent recursive allocation. AC_CHECK_FUNC([_pthread_mutex_init_calloc_cb], [have__pthread_mutex_init_calloc_cb="1"], [have__pthread_mutex_init_calloc_cb="0"] ) if test "x$have__pthread_mutex_init_calloc_cb" = "x1" ; then AC_DEFINE([JEMALLOC_MUTEX_INIT_CB], [ ], [ ]) wrap_syms="${wrap_syms} _malloc_prefork _malloc_postfork" fi AC_CHECK_FUNC([memcntl], [have_memcntl="1"], [have_memcntl="0"], ) if test "x$have_memcntl" = "x1" ; then AC_DEFINE([JEMALLOC_HAVE_MEMCNTL], [ ], [ ]) fi AC_CHECK_FUNC([prctl], [have_prctl="1"], [have_prctl="0"], ) if test "x$have_prctl" = "x1" ; then AC_DEFINE([JEMALLOC_HAVE_PRCTL], [ ], [ ]) fi dnl Disable lazy locking by default. AC_ARG_ENABLE([lazy_lock], [AS_HELP_STRING([--enable-lazy-lock], [Enable lazy locking (only lock when multi-threaded)])], [if test "x$enable_lazy_lock" = "xno" ; then enable_lazy_lock="0" else enable_lazy_lock="1" fi ], [enable_lazy_lock=""] ) if test "x${enable_lazy_lock}" = "x" ; then if test "x${force_lazy_lock}" = "x1" ; then AC_MSG_RESULT([Forcing lazy-lock to avoid allocator/threading bootstrap issues]) enable_lazy_lock="1" else enable_lazy_lock="0" fi fi if test "x${enable_lazy_lock}" = "x1" -a "x${abi}" = "xpecoff" ; then AC_MSG_RESULT([Forcing no lazy-lock because thread creation monitoring is unimplemented]) enable_lazy_lock="0" fi if test "x$enable_lazy_lock" = "x1" ; then if test "x$have_dlsym" = "x1" ; then AC_DEFINE([JEMALLOC_LAZY_LOCK], [ ], [ ]) else AC_MSG_ERROR([Missing dlsym support: lazy-lock cannot be enabled.]) fi fi AC_SUBST([enable_lazy_lock]) dnl Automatically configure TLS. if test "x${force_tls}" = "x1" ; then enable_tls="1" elif test "x${force_tls}" = "x0" ; then enable_tls="0" else enable_tls="1" fi if test "x${enable_tls}" = "x1" ; then AC_MSG_CHECKING([for TLS]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM( [[ __thread int x; ]], [[ x = 42; return 0; ]])], AC_MSG_RESULT([yes]), AC_MSG_RESULT([no]) enable_tls="0") else enable_tls="0" fi AC_SUBST([enable_tls]) if test "x${enable_tls}" = "x1" ; then AC_DEFINE_UNQUOTED([JEMALLOC_TLS], [ ], [ ]) fi dnl ============================================================================ dnl Check for C11 atomics. JE_COMPILABLE([C11 atomics], [ #include #if (__STDC_VERSION__ >= 201112L) && !defined(__STDC_NO_ATOMICS__) #include #else #error Atomics not available #endif ], [ uint64_t *p = (uint64_t *)0; uint64_t x = 1; volatile atomic_uint_least64_t *a = (volatile atomic_uint_least64_t *)p; uint64_t r = atomic_fetch_add(a, x) + x; return r == 0; ], [je_cv_c11_atomics]) if test "x${je_cv_c11_atomics}" = "xyes" ; then AC_DEFINE([JEMALLOC_C11_ATOMICS], [ ], [ ]) fi dnl ============================================================================ dnl Check for GCC-style __atomic atomics. JE_COMPILABLE([GCC __atomic atomics], [ ], [ int x = 0; int val = 1; int y = __atomic_fetch_add(&x, val, __ATOMIC_RELAXED); int after_add = x; return after_add == 1; ], [je_cv_gcc_atomic_atomics]) if test "x${je_cv_gcc_atomic_atomics}" = "xyes" ; then AC_DEFINE([JEMALLOC_GCC_ATOMIC_ATOMICS], [ ], [ ]) dnl check for 8-bit atomic support JE_COMPILABLE([GCC 8-bit __atomic atomics], [ ], [ unsigned char x = 0; int val = 1; int y = __atomic_fetch_add(&x, val, __ATOMIC_RELAXED); int after_add = (int)x; return after_add == 1; ], [je_cv_gcc_u8_atomic_atomics]) if test "x${je_cv_gcc_u8_atomic_atomics}" = "xyes" ; then AC_DEFINE([JEMALLOC_GCC_U8_ATOMIC_ATOMICS], [ ], [ ]) fi fi dnl ============================================================================ dnl Check for GCC-style __sync atomics. JE_COMPILABLE([GCC __sync atomics], [ ], [ int x = 0; int before_add = __sync_fetch_and_add(&x, 1); int after_add = x; return (before_add == 0) && (after_add == 1); ], [je_cv_gcc_sync_atomics]) if test "x${je_cv_gcc_sync_atomics}" = "xyes" ; then AC_DEFINE([JEMALLOC_GCC_SYNC_ATOMICS], [ ], [ ]) dnl check for 8-bit atomic support JE_COMPILABLE([GCC 8-bit __sync atomics], [ ], [ unsigned char x = 0; int before_add = __sync_fetch_and_add(&x, 1); int after_add = (int)x; return (before_add == 0) && (after_add == 1); ], [je_cv_gcc_u8_sync_atomics]) if test "x${je_cv_gcc_u8_sync_atomics}" = "xyes" ; then AC_DEFINE([JEMALLOC_GCC_U8_SYNC_ATOMICS], [ ], [ ]) fi fi dnl ============================================================================ dnl Check for atomic(3) operations as provided on Darwin. dnl We need this not for the atomic operations (which are provided above), but dnl rather for the OS_unfair_lock type it exposes. JE_COMPILABLE([Darwin OSAtomic*()], [ #include #include ], [ { int32_t x32 = 0; volatile int32_t *x32p = &x32; OSAtomicAdd32(1, x32p); } { int64_t x64 = 0; volatile int64_t *x64p = &x64; OSAtomicAdd64(1, x64p); } ], [je_cv_osatomic]) if test "x${je_cv_osatomic}" = "xyes" ; then AC_DEFINE([JEMALLOC_OSATOMIC], [ ], [ ]) fi dnl ============================================================================ dnl Check for madvise(2). JE_COMPILABLE([madvise(2)], [ #include ], [ madvise((void *)0, 0, 0); ], [je_cv_madvise]) if test "x${je_cv_madvise}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_MADVISE], [ ], [ ]) dnl Check for madvise(..., MADV_FREE). JE_COMPILABLE([madvise(..., MADV_FREE)], [ #include ], [ madvise((void *)0, 0, MADV_FREE); ], [je_cv_madv_free]) if test "x${je_cv_madv_free}" = "xyes" ; then AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ], [ ]) elif test "x${je_cv_madvise}" = "xyes" ; then case "${host_cpu}" in i686|x86_64) case "${host}" in *-*-linux*) AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ], [ ]) AC_DEFINE([JEMALLOC_DEFINE_MADVISE_FREE], [ ], [ ]) ;; esac ;; esac fi dnl Check for madvise(..., MADV_DONTNEED). JE_COMPILABLE([madvise(..., MADV_DONTNEED)], [ #include ], [ madvise((void *)0, 0, MADV_DONTNEED); ], [je_cv_madv_dontneed]) if test "x${je_cv_madv_dontneed}" = "xyes" ; then AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED], [ ], [ ]) fi dnl Check for madvise(..., MADV_DO[NT]DUMP). JE_COMPILABLE([madvise(..., MADV_DO[[NT]]DUMP)], [ #include ], [ madvise((void *)0, 0, MADV_DONTDUMP); madvise((void *)0, 0, MADV_DODUMP); ], [je_cv_madv_dontdump]) if test "x${je_cv_madv_dontdump}" = "xyes" ; then AC_DEFINE([JEMALLOC_MADVISE_DONTDUMP], [ ], [ ]) fi dnl Check for madvise(..., MADV_[NO]HUGEPAGE). JE_COMPILABLE([madvise(..., MADV_[[NO]]HUGEPAGE)], [ #include ], [ madvise((void *)0, 0, MADV_HUGEPAGE); madvise((void *)0, 0, MADV_NOHUGEPAGE); ], [je_cv_thp]) dnl Check for madvise(..., MADV_[NO]CORE). JE_COMPILABLE([madvise(..., MADV_[[NO]]CORE)], [ #include ], [ madvise((void *)0, 0, MADV_NOCORE); madvise((void *)0, 0, MADV_CORE); ], [je_cv_madv_nocore]) if test "x${je_cv_madv_nocore}" = "xyes" ; then AC_DEFINE([JEMALLOC_MADVISE_NOCORE], [ ], [ ]) fi case "${host_cpu}" in arm*) ;; *) if test "x${je_cv_thp}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_MADVISE_HUGE], [ ], [ ]) fi ;; esac else dnl Check for posix_madvise. JE_COMPILABLE([posix_madvise], [ #include ], [ posix_madvise((void *)0, 0, 0); ], [je_cv_posix_madvise]) if test "x${je_cv_posix_madvise}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_POSIX_MADVISE], [ ], [ ]) dnl Check for posix_madvise(..., POSIX_MADV_DONTNEED). JE_COMPILABLE([posix_madvise(..., POSIX_MADV_DONTNEED)], [ #include ], [ posix_madvise((void *)0, 0, POSIX_MADV_DONTNEED); ], [je_cv_posix_madv_dontneed]) if test "x${je_cv_posix_madv_dontneed}" = "xyes" ; then AC_DEFINE([JEMALLOC_PURGE_POSIX_MADVISE_DONTNEED], [ ], [ ]) fi fi fi dnl ============================================================================ dnl Check for mprotect(2). JE_COMPILABLE([mprotect(2)], [ #include ], [ mprotect((void *)0, 0, PROT_NONE); ], [je_cv_mprotect]) if test "x${je_cv_mprotect}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_MPROTECT], [ ], [ ]) fi dnl ============================================================================ dnl Check for __builtin_clz(), __builtin_clzl(), and __builtin_clzll(). AC_CACHE_CHECK([for __builtin_clz], [je_cv_builtin_clz], [AC_LINK_IFELSE([AC_LANG_PROGRAM([], [ { unsigned x = 0; int y = __builtin_clz(x); } { unsigned long x = 0; int y = __builtin_clzl(x); } { unsigned long long x = 0; int y = __builtin_clzll(x); } ])], [je_cv_builtin_clz=yes], [je_cv_builtin_clz=no])]) if test "x${je_cv_builtin_clz}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_BUILTIN_CLZ], [ ], [ ]) fi dnl ============================================================================ dnl Check for os_unfair_lock operations as provided on Darwin. JE_COMPILABLE([Darwin os_unfair_lock_*()], [ #include #include ], [ #if MAC_OS_X_VERSION_MIN_REQUIRED < 101200 #error "os_unfair_lock is not supported" #else os_unfair_lock lock = OS_UNFAIR_LOCK_INIT; os_unfair_lock_lock(&lock); os_unfair_lock_unlock(&lock); #endif ], [je_cv_os_unfair_lock]) if test "x${je_cv_os_unfair_lock}" = "xyes" ; then AC_DEFINE([JEMALLOC_OS_UNFAIR_LOCK], [ ], [ ]) fi dnl ============================================================================ dnl Darwin-related configuration. AC_ARG_ENABLE([zone-allocator], [AS_HELP_STRING([--disable-zone-allocator], [Disable zone allocator for Darwin])], [if test "x$enable_zone_allocator" = "xno" ; then enable_zone_allocator="0" else enable_zone_allocator="1" fi ], [if test "x${abi}" = "xmacho"; then enable_zone_allocator="1" fi ] ) AC_SUBST([enable_zone_allocator]) if test "x${enable_zone_allocator}" = "x1" ; then if test "x${abi}" != "xmacho"; then AC_MSG_ERROR([--enable-zone-allocator is only supported on Darwin]) fi AC_DEFINE([JEMALLOC_ZONE], [ ], [ ]) fi dnl ============================================================================ dnl Use initial-exec TLS by default. AC_ARG_ENABLE([initial-exec-tls], [AS_HELP_STRING([--disable-initial-exec-tls], [Disable the initial-exec tls model])], [if test "x$enable_initial_exec_tls" = "xno" ; then enable_initial_exec_tls="0" else enable_initial_exec_tls="1" fi ], [enable_initial_exec_tls="1"] ) AC_SUBST([enable_initial_exec_tls]) if test "x${je_cv_tls_model}" = "xyes" -a \ "x${enable_initial_exec_tls}" = "x1" ; then AC_DEFINE([JEMALLOC_TLS_MODEL], [__attribute__((tls_model("initial-exec")))], [ ]) else AC_DEFINE([JEMALLOC_TLS_MODEL], [ ], [ ]) fi dnl Do not compile with debugging by default. AC_ARG_ENABLE([pageid], [AS_HELP_STRING([--enable-pageid], [Enable named pages])], [if test "x$enable_pageid" = "xno" ; then enable_pageid="0" else enable_pageid="1" fi ], [enable_pageid="0"] ) if test "x$enable_pageid" = "x1" ; then AC_DEFINE([JEMALLOC_PAGEID], [ ], [ ]) fi dnl ============================================================================ dnl Enable background threads if possible. if test "x${have_pthread}" = "x1" -a "x${je_cv_os_unfair_lock}" != "xyes" -a \ "x${abi}" != "xmacho" ; then AC_DEFINE([JEMALLOC_BACKGROUND_THREAD], [ ], [ ]) fi dnl ============================================================================ dnl Check for glibc malloc hooks if test "x$glibc" = "x1" ; then JE_COMPILABLE([glibc malloc hook], [ #include extern void (* __free_hook)(void *ptr); extern void *(* __malloc_hook)(size_t size); extern void *(* __realloc_hook)(void *ptr, size_t size); ], [ void *ptr = 0L; if (__malloc_hook) ptr = __malloc_hook(1); if (__realloc_hook) ptr = __realloc_hook(ptr, 2); if (__free_hook && ptr) __free_hook(ptr); ], [je_cv_glibc_malloc_hook]) if test "x${je_cv_glibc_malloc_hook}" = "xyes" ; then if test "x${JEMALLOC_PREFIX}" = "x" ; then AC_DEFINE([JEMALLOC_GLIBC_MALLOC_HOOK], [ ], [ ]) wrap_syms="${wrap_syms} __free_hook __malloc_hook __realloc_hook" fi fi JE_COMPILABLE([glibc memalign hook], [ #include extern void *(* __memalign_hook)(size_t alignment, size_t size); ], [ void *ptr = 0L; if (__memalign_hook) ptr = __memalign_hook(16, 7); ], [je_cv_glibc_memalign_hook]) if test "x${je_cv_glibc_memalign_hook}" = "xyes" ; then if test "x${JEMALLOC_PREFIX}" = "x" ; then AC_DEFINE([JEMALLOC_GLIBC_MEMALIGN_HOOK], [ ], [ ]) wrap_syms="${wrap_syms} __memalign_hook" fi fi fi JE_COMPILABLE([pthreads adaptive mutexes], [ #include ], [ pthread_mutexattr_t attr; pthread_mutexattr_init(&attr); pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_ADAPTIVE_NP); pthread_mutexattr_destroy(&attr); ], [je_cv_pthread_mutex_adaptive_np]) if test "x${je_cv_pthread_mutex_adaptive_np}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_PTHREAD_MUTEX_ADAPTIVE_NP], [ ], [ ]) fi JE_CFLAGS_SAVE() JE_CFLAGS_ADD([-D_GNU_SOURCE]) JE_CFLAGS_ADD([-Werror]) JE_CFLAGS_ADD([-herror_on_warning]) JE_COMPILABLE([strerror_r returns char with gnu source], [ #include #include #include #include ], [ char *buffer = (char *) malloc(100); char *error = strerror_r(EINVAL, buffer, 100); printf("%s\n", error); ], [je_cv_strerror_r_returns_char_with_gnu_source]) JE_CFLAGS_RESTORE() if test "x${je_cv_strerror_r_returns_char_with_gnu_source}" = "xyes" ; then AC_DEFINE([JEMALLOC_STRERROR_R_RETURNS_CHAR_WITH_GNU_SOURCE], [ ], [ ]) fi dnl ============================================================================ dnl Check for typedefs, structures, and compiler characteristics. AC_HEADER_STDBOOL dnl ============================================================================ dnl Define commands that generate output files. AC_CONFIG_COMMANDS([include/jemalloc/internal/public_symbols.txt], [ f="${objroot}include/jemalloc/internal/public_symbols.txt" mkdir -p "${objroot}include/jemalloc/internal" cp /dev/null "${f}" for nm in `echo ${mangling_map} |tr ',' ' '` ; do n=`echo ${nm} |tr ':' ' ' |awk '{print $[]1}'` m=`echo ${nm} |tr ':' ' ' |awk '{print $[]2}'` echo "${n}:${m}" >> "${f}" dnl Remove name from public_syms so that it isn't redefined later. public_syms=`for sym in ${public_syms}; do echo "${sym}"; done |grep -v "^${n}\$" |tr '\n' ' '` done for sym in ${public_syms} ; do n="${sym}" m="${JEMALLOC_PREFIX}${sym}" echo "${n}:${m}" >> "${f}" done ], [ srcdir="${srcdir}" objroot="${objroot}" mangling_map="${mangling_map}" public_syms="${public_syms}" JEMALLOC_PREFIX="${JEMALLOC_PREFIX}" ]) AC_CONFIG_COMMANDS([include/jemalloc/internal/private_symbols.awk], [ f="${objroot}include/jemalloc/internal/private_symbols.awk" mkdir -p "${objroot}include/jemalloc/internal" export_syms=`for sym in ${public_syms}; do echo "${JEMALLOC_PREFIX}${sym}"; done; for sym in ${wrap_syms}; do echo "${sym}"; done;` "${srcdir}/include/jemalloc/internal/private_symbols.sh" "${SYM_PREFIX}" ${export_syms} > "${objroot}include/jemalloc/internal/private_symbols.awk" ], [ srcdir="${srcdir}" objroot="${objroot}" public_syms="${public_syms}" wrap_syms="${wrap_syms}" SYM_PREFIX="${SYM_PREFIX}" JEMALLOC_PREFIX="${JEMALLOC_PREFIX}" ]) AC_CONFIG_COMMANDS([include/jemalloc/internal/private_symbols_jet.awk], [ f="${objroot}include/jemalloc/internal/private_symbols_jet.awk" mkdir -p "${objroot}include/jemalloc/internal" export_syms=`for sym in ${public_syms}; do echo "jet_${sym}"; done; for sym in ${wrap_syms}; do echo "${sym}"; done;` "${srcdir}/include/jemalloc/internal/private_symbols.sh" "${SYM_PREFIX}" ${export_syms} > "${objroot}include/jemalloc/internal/private_symbols_jet.awk" ], [ srcdir="${srcdir}" objroot="${objroot}" public_syms="${public_syms}" wrap_syms="${wrap_syms}" SYM_PREFIX="${SYM_PREFIX}" ]) AC_CONFIG_COMMANDS([include/jemalloc/internal/public_namespace.h], [ mkdir -p "${objroot}include/jemalloc/internal" "${srcdir}/include/jemalloc/internal/public_namespace.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" > "${objroot}include/jemalloc/internal/public_namespace.h" ], [ srcdir="${srcdir}" objroot="${objroot}" ]) AC_CONFIG_COMMANDS([include/jemalloc/internal/public_unnamespace.h], [ mkdir -p "${objroot}include/jemalloc/internal" "${srcdir}/include/jemalloc/internal/public_unnamespace.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" > "${objroot}include/jemalloc/internal/public_unnamespace.h" ], [ srcdir="${srcdir}" objroot="${objroot}" ]) AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_protos_jet.h], [ mkdir -p "${objroot}include/jemalloc" cat "${srcdir}/include/jemalloc/jemalloc_protos.h.in" | sed -e 's/@je_@/jet_/g' > "${objroot}include/jemalloc/jemalloc_protos_jet.h" ], [ srcdir="${srcdir}" objroot="${objroot}" ]) AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_rename.h], [ mkdir -p "${objroot}include/jemalloc" "${srcdir}/include/jemalloc/jemalloc_rename.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" > "${objroot}include/jemalloc/jemalloc_rename.h" ], [ srcdir="${srcdir}" objroot="${objroot}" ]) AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_mangle.h], [ mkdir -p "${objroot}include/jemalloc" "${srcdir}/include/jemalloc/jemalloc_mangle.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" je_ > "${objroot}include/jemalloc/jemalloc_mangle.h" ], [ srcdir="${srcdir}" objroot="${objroot}" ]) AC_CONFIG_COMMANDS([include/jemalloc/jemalloc_mangle_jet.h], [ mkdir -p "${objroot}include/jemalloc" "${srcdir}/include/jemalloc/jemalloc_mangle.sh" "${objroot}include/jemalloc/internal/public_symbols.txt" jet_ > "${objroot}include/jemalloc/jemalloc_mangle_jet.h" ], [ srcdir="${srcdir}" objroot="${objroot}" ]) AC_CONFIG_COMMANDS([include/jemalloc/jemalloc.h], [ mkdir -p "${objroot}include/jemalloc" "${srcdir}/include/jemalloc/jemalloc.sh" "${objroot}" > "${objroot}include/jemalloc/jemalloc${install_suffix}.h" ], [ srcdir="${srcdir}" objroot="${objroot}" install_suffix="${install_suffix}" ]) dnl Process .in files. AC_SUBST([cfghdrs_in]) AC_SUBST([cfghdrs_out]) AC_CONFIG_HEADERS([$cfghdrs_tup]) dnl ============================================================================ dnl Generate outputs. AC_CONFIG_FILES([$cfgoutputs_tup config.stamp bin/jemalloc-config bin/jemalloc.sh bin/jeprof]) AC_SUBST([cfgoutputs_in]) AC_SUBST([cfgoutputs_out]) AC_OUTPUT dnl ============================================================================ dnl Print out the results of configuration. AC_MSG_RESULT([===============================================================================]) AC_MSG_RESULT([jemalloc version : ${jemalloc_version}]) AC_MSG_RESULT([library revision : ${rev}]) AC_MSG_RESULT([]) AC_MSG_RESULT([CONFIG : ${CONFIG}]) AC_MSG_RESULT([CC : ${CC}]) AC_MSG_RESULT([CONFIGURE_CFLAGS : ${CONFIGURE_CFLAGS}]) AC_MSG_RESULT([SPECIFIED_CFLAGS : ${SPECIFIED_CFLAGS}]) AC_MSG_RESULT([EXTRA_CFLAGS : ${EXTRA_CFLAGS}]) AC_MSG_RESULT([CPPFLAGS : ${CPPFLAGS}]) AC_MSG_RESULT([CXX : ${CXX}]) AC_MSG_RESULT([CONFIGURE_CXXFLAGS : ${CONFIGURE_CXXFLAGS}]) AC_MSG_RESULT([SPECIFIED_CXXFLAGS : ${SPECIFIED_CXXFLAGS}]) AC_MSG_RESULT([EXTRA_CXXFLAGS : ${EXTRA_CXXFLAGS}]) AC_MSG_RESULT([LDFLAGS : ${LDFLAGS}]) AC_MSG_RESULT([EXTRA_LDFLAGS : ${EXTRA_LDFLAGS}]) AC_MSG_RESULT([DSO_LDFLAGS : ${DSO_LDFLAGS}]) AC_MSG_RESULT([LIBS : ${LIBS}]) AC_MSG_RESULT([RPATH_EXTRA : ${RPATH_EXTRA}]) AC_MSG_RESULT([]) AC_MSG_RESULT([XSLTPROC : ${XSLTPROC}]) AC_MSG_RESULT([XSLROOT : ${XSLROOT}]) AC_MSG_RESULT([]) AC_MSG_RESULT([PREFIX : ${PREFIX}]) AC_MSG_RESULT([BINDIR : ${BINDIR}]) AC_MSG_RESULT([DATADIR : ${DATADIR}]) AC_MSG_RESULT([INCLUDEDIR : ${INCLUDEDIR}]) AC_MSG_RESULT([LIBDIR : ${LIBDIR}]) AC_MSG_RESULT([MANDIR : ${MANDIR}]) AC_MSG_RESULT([]) AC_MSG_RESULT([srcroot : ${srcroot}]) AC_MSG_RESULT([abs_srcroot : ${abs_srcroot}]) AC_MSG_RESULT([objroot : ${objroot}]) AC_MSG_RESULT([abs_objroot : ${abs_objroot}]) AC_MSG_RESULT([]) AC_MSG_RESULT([JEMALLOC_PREFIX : ${JEMALLOC_PREFIX}]) AC_MSG_RESULT([JEMALLOC_PRIVATE_NAMESPACE]) AC_MSG_RESULT([ : ${JEMALLOC_PRIVATE_NAMESPACE}]) AC_MSG_RESULT([install_suffix : ${install_suffix}]) AC_MSG_RESULT([malloc_conf : ${config_malloc_conf}]) AC_MSG_RESULT([documentation : ${enable_doc}]) AC_MSG_RESULT([shared libs : ${enable_shared}]) AC_MSG_RESULT([static libs : ${enable_static}]) AC_MSG_RESULT([autogen : ${enable_autogen}]) AC_MSG_RESULT([debug : ${enable_debug}]) AC_MSG_RESULT([stats : ${enable_stats}]) AC_MSG_RESULT([experimental_smallocx : ${enable_experimental_smallocx}]) AC_MSG_RESULT([prof : ${enable_prof}]) AC_MSG_RESULT([prof-libunwind : ${enable_prof_libunwind}]) AC_MSG_RESULT([prof-libgcc : ${enable_prof_libgcc}]) AC_MSG_RESULT([prof-gcc : ${enable_prof_gcc}]) AC_MSG_RESULT([fill : ${enable_fill}]) AC_MSG_RESULT([utrace : ${enable_utrace}]) AC_MSG_RESULT([xmalloc : ${enable_xmalloc}]) AC_MSG_RESULT([log : ${enable_log}]) AC_MSG_RESULT([lazy_lock : ${enable_lazy_lock}]) AC_MSG_RESULT([cache-oblivious : ${enable_cache_oblivious}]) AC_MSG_RESULT([pageid : ${enable_pageid}]) AC_MSG_RESULT([cxx : ${enable_cxx}]) AC_MSG_RESULT([===============================================================================])