diff options
Diffstat (limited to 'gold/configure.ac')
| -rw-r--r-- | gold/configure.ac | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gold/configure.ac b/gold/configure.ac index f1c4378..ba6bd17 100644 --- a/gold/configure.ac +++ b/gold/configure.ac @@ -359,6 +359,20 @@ if test "$gold_cv_c_random_seed" = "yes"; then fi AC_SUBST(RANDOM_SEED_CFLAGS) +dnl On GNU/Linux ifunc is supported by the dynamic linker in glibc +dnl 2.11 or later. +AC_CACHE_CHECK([for glibc >= 2.11], [gold_cv_lib_glibc2_11], +[AC_COMPILE_IFELSE([ +#include <features.h> +#if !defined __GLIBC__ +error +#elif __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 11) +error +#endif +], [gold_cv_lib_glibc2_11=yes], [gold_cv_lib_glibc2_11=no])]) + +AM_CONDITIONAL(IFUNC, test "$gold_cv_lib_glibc2_11" = "yes") + AM_BINUTILS_WARNINGS WARN_CXXFLAGS=`echo ${WARN_CFLAGS} | sed -e 's/-Wstrict-prototypes//' -e 's/-Wmissing-prototypes//' -e 's/-Wshadow//'` |