diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 49 |
1 files changed, 42 insertions, 7 deletions
diff --git a/configure.ac b/configure.ac index f72e687..20aa4ad 100644 --- a/configure.ac +++ b/configure.ac @@ -5,7 +5,7 @@ # make sure we're interpreted by some minimal autoconf AC_PREREQ(2.57) -AC_INIT(google-perftools, 0.8, opensource@google.com) +AC_INIT(google-perftools, 0.90, opensource@google.com) # The argument here is just something that should be in the current directory # (for sanity checking) AC_CONFIG_SRCDIR(README) @@ -26,18 +26,19 @@ AX_C___ATTRIBUTE__ # Check whether some low-level functions/files are available AC_HEADER_STDC -# Here are some examples of how to check for the existence of a fn or file AC_CHECK_TYPES([__int64]) # defined in some windows platforms +AC_CHECK_TYPES([struct mallinfo],,, [#include <malloc.h>]) AC_CHECK_FUNCS(sbrk) # for tcmalloc to get memory AC_CHECK_FUNCS(munmap) AC_FUNC_MMAP AC_CHECK_HEADERS(execinfo.h) # for stacktrace? and heapchecker_unittest -AC_CHECK_HEADERS(libunwind.h) # for stacktrace (will be needed soon) -AC_CHECK_HEADERS(unwind.h) # for stacktrace (will be needed soon) +AC_CHECK_HEADERS(libunwind.h) # for stacktrace +AC_CHECK_HEADERS(unwind.h) # for stacktrace AC_CHECK_HEADERS(conflict-signal.h) # defined on some windows platforms AC_CHECK_HEADERS(linux/ptrace.h) AC_CHECK_HEADERS(syscall.h) AC_CHECK_HEADERS(grp.h) # for heapchecker_unittest +AC_CHECK_HEADERS(pwd.h) # for heapchecker_unittest AC_CHECK_MEMBERS([struct sigcontext.sc_eip, struct ucontext.uc_mcontext, struct sigcontext.eip, @@ -45,20 +46,54 @@ AC_CHECK_MEMBERS([struct sigcontext.sc_eip, struct sigcontext.sc_ip, struct siginfo.si_faddr, struct sigcontext.regs->nip],,, - [#include <signal.h>]) + [#define _XOPEN_SOURCE 500 + #include <signal.h>]) + +# We want to link in libunwind if it exists +AC_CHECK_LIB(unwind, backtrace, UNWIND_LIBS=-lunwind, UNWIND_LIBS=) +AC_SUBST(UNWIND_LIBS) + +# On x86_64, instead of libunwind, we can choose to compile with frame-pointers +# (This isn't needed on i386, where -fno-omit-frame-pointer is the default). +AC_ARG_ENABLE(frame_pointer, + AS_HELP_STRING([--enable-frame-pointer], + [On x86_64 systems, compile with -fno-omit-frame-pointer (see INSTALL)]), + , enable_frame_pointer=no) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [return __x86_64__ == 1 ? 0 : 1])], + [is_x86_64=yes], [is_x86_64=no]) +EXTRA_CXXFLAGS= +if test "$is_x86_64" = yes -a "$enable_frame_pointer" = "yes"; then + EXTRA_CXXFLAGS=-fno-omit-frame-pointer +elif test "$is_x86_64" = yes -a "$enable_frame_pointer" != "yes"; then + # TODO(csilvers): set -DNO_FRAME_POINTER in the Makefile instead, based + # on the presence of -f[no-]omit-frame-pointer in cxxflags. + EXTRA_CXXFLAGS=-DNO_FRAME_POINTER +fi +AC_SUBST(EXTRA_CXXFLAGS) # Defines PRIuS AC_COMPILER_CHARACTERISTICS # Check if __builtin_stack_pointer() is available (for elfcore.h) AC_MSG_CHECKING([for __builtin_stack_pointer()]) -AC_LINK_IFELSE([AC_LANG_PROGRAM(, [void *sp = __builtin_stack_pointer();])], +AC_LINK_IFELSE([AC_LANG_PROGRAM(, [void *sp = __builtin_stack_pointer()])], [AC_DEFINE(HAVE_BUILTIN_STACK_POINTER, 1, Define to 1 if compiler supports __builtin_stack_pointer) AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])]) -# A lot of the code in this directory depends on pthreads +# If we support __thread, that can speed up tcmalloc a bit. +AC_MSG_CHECKING([for __thread]) +AC_LINK_IFELSE([AC_LANG_PROGRAM(, [static __thread int p = 0])], + [AC_DEFINE(HAVE_TLS, 1, + Define to 1 if compiler supports __thread) + AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no])]) + +# We also need to check if the kernel supports __thread, which requires uname() +AC_CHECK_DECLS(uname,,, [#include <sys/utsname.h>]) + +# In fact, a lot of the code in this directory depends on pthreads ACX_PTHREAD # Find out what namespace 'normal' STL code lives in |