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Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 8fe8baee..7dc9be63 100644 --- a/configure.ac +++ b/configure.ac @@ -588,6 +588,14 @@ CFLAGS="$old_CFLAGS"]) AM_CONDITIONAL(HAVE_NO_PACKED_NOT_ALIGNED_WARNING, [test "x$ac_cv_no_packed_not_aligned" != "xno"]) +AC_CACHE_CHECK([whether the compiler accepts -fno-addrsig], ac_cv_fno_addrsig, [dnl +old_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -fno-addrsig -Werror" +AC_COMPILE_IFELSE([AC_LANG_SOURCE([])], + ac_cv_fno_addrsig=yes, ac_cv_fno_addrsig=no) +CFLAGS="$old_CFLAGS"]) +AS_IF([test "x$ac_cv_fno_addrsig" = "xyes"], CFLAGS="$CFLAGS -fno-addrsig") + saved_LIBS="$LIBS" AC_SEARCH_LIBS([argp_parse], [argp]) LIBS="$saved_LIBS" |