diff options
Diffstat (limited to 'm4/fp_prog_ld_flag.m4')
| -rw-r--r-- | m4/fp_prog_ld_flag.m4 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/m4/fp_prog_ld_flag.m4 b/m4/fp_prog_ld_flag.m4 new file mode 100644 index 0000000000..8617d7ceb3 --- /dev/null +++ b/m4/fp_prog_ld_flag.m4 @@ -0,0 +1,17 @@ +# FP_PROG_LD_FLAG +# --------------- +# Sets the output variable $2 to $1 if ld supports the $1 flag. +# Otherwise the variable's value is empty. +AC_DEFUN([FP_PROG_LD_FLAG], +[ +AC_CACHE_CHECK([whether ld understands $1], [fp_cv_$2], +[echo 'int foo() { return 0; }' > conftest.c +${CC-cc} -c conftest.c +if ${LdCmd} -r $1 -o conftest2.o conftest.o > /dev/null 2>&1; then + fp_cv_$2=$1 +else + fp_cv_$2= +fi +rm -rf conftest*]) +$2=$fp_cv_$2 +])# FP_PROG_LD_FLAG |