diff options
| author | Joseph Myers <joseph@codesourcery.com> | 2012-03-21 16:33:57 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-03-21 16:33:57 +0000 |
| commit | 40b601fbb774cd2be2f6cbe7155570340fc475a2 (patch) | |
| tree | 79ec38289fe7e9a56059c8c69e8b212eb218e3f0 /configure.in | |
| parent | 1a4ac776ebc9bb07287f59f63e473db531318dff (diff) | |
Use autoconf macro for testing compiler options with empty input.
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/configure.in b/configure.in index ee5e856306..bb3b057a36 100644 --- a/configure.in +++ b/configure.in @@ -2005,10 +2005,9 @@ if test -n "$submachine"; then libc_cv_cc_submachine, [dnl libc_cv_cc_submachine=no for opt in "-march=$submachine" "-mcpu=$submachine"; do - if AC_TRY_COMMAND([${CC-cc} $opt -xc /dev/null -S -o /dev/null]); then + LIBC_TRY_CC_OPTION([$opt], [ libc_cv_cc_submachine="$opt" - break - fi + break], []) done]) if test "x$libc_cv_cc_submachine" = xno; then AC_MSG_ERROR([${CC-cc} does not support $submachine]) |