1 dnl Process this file with autoconf to produce a configure script.
5 AC_CONFIG_SRCDIR([gold.cc])
9 AM_INIT_AUTOMAKE(gold, 0.1)
11 AM_CONFIG_HEADER(config.h:config.in)
13 AC_ARG_ENABLE([targets],
14 [ --enable-targets alternative target configurations],
15 [case "${enableval}" in
17 AC_MSG_ERROR([--enable-targets option must specify target names or 'all'])
23 enable_targets=$enableval
26 [# For now, enable all targets by default
30 # Canonicalize the enabled targets.
31 if test -n "$enable_targets"; then
32 for targ in `echo $enable_targets | sed -e 's/,/ /g'`; do
33 result=`$ac_config_sub $targ 2>/dev/null`
34 if test -n "$result"; then
35 canon_targets="$canon_targets $result"
37 # Permit unrecognized target names, like "all".
38 canon_targets="$canon_targets $targ"
43 # See which specific instantiations we need.
44 for targ in $target $canon_targets; do
49 if test "$targ" = "all"; then
56 i?86-*) targ_32_little=yes ;;
57 x86_64-*) targ_64_little=yes ;;
59 AC_MSG_ERROR("target $targ: unknown size and endianness")
65 if test -n "$targ_32_little"; then
66 AC_DEFINE(HAVE_TARGET_32_LITTLE, 1,
67 [Define to support 32-bit little-endian targets])
69 if test -n "$targ_32_big"; then
70 AC_DEFINE(HAVE_TARGET_32_BIG, 1,
71 [Define to support 32-bit big-endian targets])
73 if test -n "$targ_64_little"; then
74 AC_DEFINE(HAVE_TARGET_64_LITTLE, 1,
75 [Define to support 64-bit little-endian targets])
77 if test -n "$targ_64_big"; then
78 AC_DEFINE(HAVE_TARGET_64_BIG, 1,
79 [Define to support 64-bit big-endian targets])
88 ZW_GNU_GETTEXT_SISTER_DIR
95 AM_CONDITIONAL(NATIVE_LINKER,
96 test "x$target_alias" = "x" -o "x$host_alias" = "x$target_alias")
97 AM_CONDITIONAL(GCC, test "$GCC" = yes)
101 WARN_CXXFLAGS=`echo ${WARN_CFLAGS} | sed -e 's/-Wstrict-prototypes//' -e 's/-Wmissing-prototypes//'`
102 AC_SUBST(WARN_CXXFLAGS)
104 dnl Force support for large files by default. This may need to be
105 dnl host dependent. If build == host, we can check getconf LFS_CFLAGS.
106 LFS_CXXFLAGS="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
107 AC_SUBST(LFS_CXXFLAGS)
111 AC_CHECK_HEADERS(tr1/unordered_set tr1/unordered_map)
112 AC_CHECK_HEADERS(ext/hash_map ext/hash_set)
114 dnl Test whether the compiler can specify a member templates to call.
116 class c { public: template<int i> void fn(); };
117 template<int i> void foo(c cv) { cv.fn<i>(); }
118 template void foo<1>(c cv);],
119 [AC_DEFINE(HAVE_MEMBER_TEMPLATE_SPECIFICATIONS, [],
120 [Whether the C++ compiler can call a template member with no arguments])])
126 AC_OUTPUT(Makefile testsuite/Makefile po/Makefile.in:po/Make-in)