Bump to autoconf 2.69 and automake 1.15.1

[thirdparty/binutils-gdb.git] / gold / configure.ac

diff --git a/gold/configure.ac b/gold/configure.ac
index 1ed6c0d45cbb1802039e2605f7eab91515e2c1c1..7a0b3713aa2389c7a395fc654810d339972e5bb0 100644 (file)
--- a/gold/configure.ac
+++ b/gold/configure.ac
@@ -17,8 +17,6 @@ dnl along with this program; see the file COPYING3.  If not see
 dnl <http://www.gnu.org/licenses/>.
 dnl
 
-AC_PREREQ(2.59)
-
 AC_INIT(gold, 0.1)
 AC_CONFIG_SRCDIR(gold.cc)
 
@@ -373,17 +371,17 @@ AM_CONDITIONAL(FN_PTRS_IN_SO_WITHOUT_PIC, [
 dnl Test for gcc 4.1 or later.  Full support for -mcmodel=medium is
 dnl only available in gcc 4.1.
 AC_CACHE_CHECK([for gcc >= 4.1], [gold_cv_prog_gcc41],
-[AC_COMPILE_IFELSE([
+[AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 #if !defined __GNUC__
 error
 #elif __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 1)
 error
 #endif
-], [gold_cv_prog_gcc41=yes], [gold_cv_prog_gcc41=no])])
+])], [gold_cv_prog_gcc41=yes], [gold_cv_prog_gcc41=no])])
 
 save_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -mcmodel=medium"
-AC_COMPILE_IFELSE([int i;], [have_mcmodel_medium=yes], [have_mcmodel_medium=no])
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], [have_mcmodel_medium=yes], [have_mcmodel_medium=no])
 CFLAGS="$save_CFLAGS"
 dnl Whether we can test -mcmodel=medium.
 AM_CONDITIONAL(MCMODEL_MEDIUM,
@@ -393,7 +391,7 @@ AC_CACHE_CHECK([whether $CC supports -fmerge-constants],
               [gold_cv_merge_constants], [
 save_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -fmerge-constants"
-AC_COMPILE_IFELSE([const char *s = "foo";],
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([const char *s = "foo";])],
                  [gold_cv_merge_constants=yes],
                  [gold_cv_merge_constants=no])
 CFLAGS="$save_CFLAGS"])
@@ -404,7 +402,7 @@ AS_IF([test "$gold_cv_merge_constants" = yes],
 
 dnl Test for __thread support.
 AC_CACHE_CHECK([for thread support], [gold_cv_c_thread],
-[AC_COMPILE_IFELSE([__thread int i = 1;],
+[AC_COMPILE_IFELSE([AC_LANG_SOURCE([__thread int i = 1;])],
 [gold_cv_c_thread=yes], [gold_cv_c_thread=no])])
 
 AM_CONDITIONAL(TLS, test "$gold_cv_c_thread" = "yes")
@@ -412,14 +410,14 @@ AM_CONDITIONAL(TLS, test "$gold_cv_c_thread" = "yes")
 dnl On GNU/Linux TLS in static programs only works when using glibc
 dnl 2.4 or later.
 AC_CACHE_CHECK([for glibc >= 2.4], [gold_cv_lib_glibc24],
-[AC_COMPILE_IFELSE([
+[AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 #include <features.h>
 #if !defined __GLIBC__
 error
 #elif __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4)
 error
 #endif
-], [gold_cv_lib_glibc24=yes], [gold_cv_lib_glibc24=no])])
+])], [gold_cv_lib_glibc24=yes], [gold_cv_lib_glibc24=no])])
 
 AM_CONDITIONAL(STATIC_TLS, test "$gold_cv_lib_glibc24" = "yes")
 
@@ -427,11 +425,11 @@ dnl Test for #pragma omp threadprivate
 AC_CACHE_CHECK([for omp support], [gold_cv_c_threadprivate],
 [save_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -fopenmp"
-AC_COMPILE_IFELSE([
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 #include <omp.h>
 int i;
 #pragma omp threadprivate (i)
-], [gold_cv_c_threadprivate=yes], [gold_cv_c_threadprivate=no])
+])], [gold_cv_c_threadprivate=yes], [gold_cv_c_threadprivate=no])
 CFLAGS="$save_CFLAGS"])
 if test "$gold_cv_c_threadprivate" = "yes"; then
   AC_DEFINE(HAVE_OMP_SUPPORT, 1,
@@ -447,27 +445,27 @@ dnl assuming here that there is no compiler that groks -mtls-dialect=gnu2
 dnl but does not grok -Werror.)
 save_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -Werror -fpic -mtls-dialect=gnu2"
-AC_COMPILE_IFELSE([
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 __thread int i;
 void foo (void)
 {
   i = 10;
 }
-], [have_tls_gnu2=yes], [have_tls_gnu2=no])
+])], [have_tls_gnu2=yes], [have_tls_gnu2=no])
 CFLAGS="$save_CFLAGS"
 AM_CONDITIONAL(TLS_GNU2_DIALECT, test "$have_tls_gnu2" = "yes")
 
 dnl On GNU/Linux TLS descriptors are supported by the dynamic loader
 dnl only with glibc 2.9 or later.
 AC_CACHE_CHECK([for glibc >= 2.9], [gold_cv_lib_glibc29],
-[AC_COMPILE_IFELSE([
+[AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 #include <features.h>
 #if !defined __GLIBC__
 error
 #elif __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 9)
 error
 #endif
-], [gold_cv_lib_glibc29=yes], [gold_cv_lib_glibc29=no])])
+])], [gold_cv_lib_glibc29=yes], [gold_cv_lib_glibc29=no])])
 
 AM_CONDITIONAL(TLS_DESCRIPTORS, test "$gold_cv_lib_glibc29" = "yes")
 
@@ -475,7 +473,7 @@ dnl Test for the -frandom-seed option.
 AC_CACHE_CHECK([for -frandom-seed support], [gold_cv_c_random_seed],
 [save_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -frandom-seed=foo"
-AC_COMPILE_IFELSE([int i;], [gold_cv_c_random_seed=yes],
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], [gold_cv_c_random_seed=yes],
 [gold_cv_c_random_seed=no])
 CFLAGS="$save_CFLAGS"])
 if test "$gold_cv_c_random_seed" = "yes"; then
@@ -579,14 +577,14 @@ dnl assuming here that there is no compiler that groks -gpubnames
 dnl but does not grok -Werror.)
 save_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -Werror -gpubnames"
-AC_COMPILE_IFELSE([int i;], [have_pubnames=yes], [have_pubnames=no])
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], [have_pubnames=yes], [have_pubnames=no])
 CFLAGS="$save_CFLAGS"
 AM_CONDITIONAL(HAVE_PUBNAMES, test "$have_pubnames" = "yes")
 
 dnl Check if gcc supports the -fno-use-linker-plugin option.
 save_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -Werror -fno-use-linker-plugin"
-AC_COMPILE_IFELSE([int i;], [have_no_use_linker_plugin=yes], [have_no_use_linker_plugin=no])
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([int i;])], [have_no_use_linker_plugin=yes], [have_no_use_linker_plugin=no])
 CFLAGS="$save_CFLAGS"
 AM_CONDITIONAL(HAVE_NO_USE_LINKER_PLUGIN, test "$have_no_use_linker_plugin" = "yes")
 
@@ -630,11 +628,11 @@ AC_CACHE_CHECK([whether std::tr1::hash<off_t> is defined],
 [gold_cv_hash_off_t],
 [CXXFLAGS_hold=$CXXFLAGS
 CXXFLAGS="$CXXFLAGS $LFS_CFLAGS"
-AC_COMPILE_IFELSE([
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 #include <sys/types.h>
 #include <tr1/unordered_map>
 std::tr1::hash<off_t> h;
-],
+])],
 [gold_cv_hash_off_t=yes],
 [gold_cv_hash_off_t=no])
 CXXFLAGS=$CXXFLAGS_hold])
@@ -648,12 +646,12 @@ fi
 # probably be removed after the bug has been fixed for a while.
 AC_CACHE_CHECK([whether we can use attributes with template functions],
 [gold_cv_template_attribute],
-[AC_COMPILE_IFELSE([
+[AC_COMPILE_IFELSE([AC_LANG_SOURCE([
 template<typename T> extern void foo(const char*, ...)
   __attribute__ ((__format__ (__printf__, 1, 2)));
 template<typename T> void foo(const char* format, ...) {}
 void bar() { foo<int>("%s\n", "foo"); }
-], [gold_cv_template_attribute=yes], [gold_cv_template_attribute=no])])
+])], [gold_cv_template_attribute=yes], [gold_cv_template_attribute=no])])
 if test "$gold_cv_template_attribute" = "yes"; then
   AC_DEFINE(HAVE_TEMPLATE_ATTRIBUTES, 1,
            [Define if attributes work on C++ templates])