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- --- a/libc/aclocal.m4
- +++ b/libc/aclocal.m4
- @@ -88,6 +88,12 @@
- fi
- rm -fr contest*])
-
- +dnl Test a compiler option or options with an empty input file.
- +dnl LIBC_TRY_CC_OPTION([options], [action-if-true], [action-if-false])
- +AC_DEFUN([LIBC_TRY_CC_OPTION],
- +[AS_IF([AC_TRY_COMMAND([${CC-cc} $1 -xc /dev/null -S -o /dev/null])],
- + [$2], [$3])])
- +
- AC_DEFUN([LIBC_PROG_BINUTILS],
- [# Was a --with-binutils option given?
- if test -n "$path_binutils"; then
- --- a/libc/configure
- +++ b/libc/configure
- @@ -7404,7 +7404,14 @@
- else
- libc_cv_cc_nofma=
- for opt in -ffp-contract=off -mno-fused-madd; do
- - LIBC_TRY_CC_OPTION($opt, libc_cv_cc_nofma=$opt; break)
- + if { ac_try='${CC-cc} $opt -xc /dev/null -S -o /dev/null'
- + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
- + (eval $ac_try) 2>&5
- + ac_status=$?
- + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- + test $ac_status = 0; }; }; then :
- + libc_cv_cc_nofma=$opt; break
- +fi
- done
- fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_nofma" >&5
- --- a/libc/configure.in
- +++ b/libc/configure.in
- @@ -2238,10 +2238,9 @@
- libc_cv_cc_submachine, [dnl
- libc_cv_cc_submachine=no
- for opt in "-march=$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])
|
