diff options
Diffstat (limited to 'm4/fp_ld_no_fixup_chains.m4')
| -rw-r--r-- | m4/fp_ld_no_fixup_chains.m4 | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/m4/fp_ld_no_fixup_chains.m4 b/m4/fp_ld_no_fixup_chains.m4 new file mode 100644 index 0000000000..1d62fd3b20 --- /dev/null +++ b/m4/fp_ld_no_fixup_chains.m4 @@ -0,0 +1,24 @@ +# FP_LD_NO_FIXUP_CHAINS +# -------------------- +# See if whether we are using a version of ld64 on darwin platforms which +# requires us to pass -no_fixup_chains +# +# $1 = the platform +# $2 = the name of the linker flags variable when linking with $CC +AC_DEFUN([FP_LD_NO_FIXUP_CHAINS], [ + case $$1 in + *-darwin) + AC_MSG_CHECKING([whether ld64 requires -no_fixup_chains]) + echo 'int main(void) {return 0;}' > conftest.c + if $CC -o conftest.o -Wl,-no_fixup_chains conftest.c > /dev/null 2>&1 + then + $2="-Wl,-no_fixup_chains" + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + fi + rm -f conftest.c conftest.o + ;; + + esac +]) |