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Diffstat (limited to 'zlib/configure.ac')
| -rw-r--r-- | zlib/configure.ac | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/zlib/configure.ac b/zlib/configure.ac new file mode 100644 index 00000000000..e716daf9ff6 --- /dev/null +++ b/zlib/configure.ac @@ -0,0 +1,156 @@ +dnl Process this with autoconf to create configure + +AC_PREREQ(2.59) +AC_INIT +AC_CONFIG_SRCDIR([zlib.h]) + +# This works around the fact that libtool configuration may change LD +# for this particular configuration, but some shells, instead of +# keeping the changes in LD private, export them just because LD is +# exported. +ORIGINAL_LD_FOR_MULTILIBS=$LD + +dnl We may get other options which we dont document: +dnl --with-target-subdir, --with-multisrctop, --with-multisubdir + +if test "x[$]{with_target_subdir}" != x && \ + test "[$]{srcdir}" = "."; then + if test "[$]{with_target_subdir}" != "."; then + zlib_basedir="[$]{srcdir}/[$]{with_multisrctop}../" + else + zlib_basedir="[$]{srcdir}/[$]{with_multisrctop}" + fi +else + zlib_basedir="[$]{srcdir}/" +fi +AC_SUBST(zlib_basedir) +AC_CONFIG_AUX_DIR($zlib_basedir..) +if :; then :; else + # This overrides the previous occurrence for automake, but not for + # autoconf, which is exactly what we want. + AC_CONFIG_AUX_DIR(..) +fi + +AC_CANONICAL_SYSTEM + +# This works around an automake problem. +mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs" +AC_SUBST(mkinstalldirs) + +AM_INIT_AUTOMAKE(zlib, 1.1.4) + +AM_MAINTAINER_MODE + +dnl We use these options to decide which functions to include. +AC_ARG_WITH(target-subdir, +[ --with-target-subdir=SUBDIR + configuring in a subdirectory]) + +if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then + COMPPATH=. +else + COMPPATH=.. +fi +AC_SUBST(COMPPATH) + +AC_ARG_WITH(cross-host, +[ --with-cross-host=HOST configuring with a cross compiler]) + +dnl Default to --enable-multilib +AC_ARG_ENABLE(multilib, +[ --enable-multilib build many library versions (default)], +[case "${enableval}" in + yes) multilib=yes ;; + no) multilib=no ;; + *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;; + esac], [test -z "$with_target_subdir" && multilib=no || multilib=yes])dnl + +AC_ARG_WITH(system-zlib, +[ --with-system-zlib use installed libz]) + +# Make sure we don't test executables when making cross-tools. +GCC_NO_EXECUTABLES + +AC_PROG_CC + +AM_PROG_LIBTOOL + +# Find CPP now so that any conditional tests below won't do it and +# thereby make the resulting definitions conditional. +AC_PROG_CPP + +if test -n "$with_cross_host"; then + # We are being configured with a cross compiler. AC_REPLACE_FUNCS + # may not work correctly, because the compiler may not be able to + # link executables. + + # We assume newlib. This lets us hard-code the functions we know + # we'll have. + AC_DEFINE(HAVE_MEMCPY) + AC_DEFINE(HAVE_STRERROR) + + # We ignore --with-system-zlib in this case. + target_all=libzgcj.la +else + AC_FUNC_MMAP + AC_CHECK_FUNCS(memcpy strerror) + + if test "$with_system_zlib" = yes; then + AC_CHECK_LIB(z, deflate, target_all=, target_all=libzgcj.la) + else + target_all=libzgcj.la + fi +fi + +AC_SUBST(target_all) + +AC_CHECK_HEADERS(unistd.h) + +if test -n "$with_cross_host" && + test x"$with_cross_host" != x"no"; then + toolexecdir='$(exec_prefix)/$(target_alias)' + toolexeclibdir='$(toolexecdir)/lib' +else + toolexecdir='$(libdir)/gcc-lib/$(target_alias)' + toolexeclibdir='$(libdir)' +fi +if test "$GCC" = yes && $CC -print-multi-os-directory > /dev/null 2>&1; then + multiosdir=/`$CC -print-multi-os-directory` + case $multiosdir in + /.) multiosdir= ;; # Avoid trailing /. + esac +else + multiosdir= +fi +toolexeclibdir=${toolexeclibdir}${multiosdir} +AC_SUBST(toolexecdir) +AC_SUBST(toolexeclibdir) + +AM_CONDITIONAL(TARGET_LIBRARY, test -n "$with_target_subdir") + +if test "${multilib}" = "yes"; then + multilib_arg="--enable-multilib" +else + multilib_arg= +fi + +AC_CONFIG_FILES([Makefile]) + +AC_CONFIG_COMMANDS([default], +[[if test -n "$CONFIG_FILES"; then + LD="${ORIGINAL_LD_FOR_MULTILIBS}" + ac_file=Makefile . ${zlib_basedir}/../config-ml.in +fi]], +[[srcdir=${srcdir} +host=${host} +target=${target} +with_multisubdir=${with_multisubdir} +ac_configure_args="${multilib_arg} ${ac_configure_args}" +CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} +zlib_basedir=${zlib_basedir} +CC="${CC}" +CXX="${CXX}" +ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}" +]]) + +AC_OUTPUT |