diff options
| -rwxr-xr-x | configure | 38 | ||||
| -rw-r--r-- | configure.in | 21 |
2 files changed, 58 insertions, 1 deletions
@@ -1,5 +1,5 @@ #! /bin/sh -# From configure.in 284a163. +# From configure.in 8801585. # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.69. # @@ -4867,8 +4867,44 @@ if ac_fn_c_try_run "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -march=i686 (and we can run it)" >&5 +$as_echo_n "checking whether $CC supports -march=i686 (and we can run it)... " >&6; } + OLD_CFLAGS="$CFLAGS" + OLD_LDFLAGS="$LDFLAGS" CFLAGS="$CFLAGS -march=i686" LDFLAGS="$LDFLAGS -march=i686" + if test "$cross_compiling" = yes; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: guessing no" >&5 +$as_echo "guessing no" >&6; } + CFLAGS="$OLD_CFLAGS" + LDFLAGS="$OLD_LDFLAGS" + + +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + int main(int argc, char **argv) { return 0; } + +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$OLD_CFLAGS" + LDFLAGS="$OLD_LDFLAGS" + +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + else diff --git a/configure.in b/configure.in index 1fc2d0e29..6755e3ca5 100644 --- a/configure.in +++ b/configure.in @@ -481,8 +481,29 @@ AC_RUN_IFELSE( ])], [ AC_MSG_RESULT([yes]) + AC_MSG_CHECKING([whether $CC supports -march=i686 (and we can run it)]) + OLD_CFLAGS="$CFLAGS" + OLD_LDFLAGS="$LDFLAGS" CFLAGS="$CFLAGS -march=i686" LDFLAGS="$LDFLAGS -march=i686" + AC_RUN_IFELSE( + [AC_LANG_SOURCE([ + int main(int argc, char **argv) { return 0; } + ])], + [ + AC_MSG_RESULT([yes]) + ], + [ + AC_MSG_RESULT([no]) + CFLAGS="$OLD_CFLAGS" + LDFLAGS="$OLD_LDFLAGS" + ], + [ + AC_MSG_RESULT([guessing no]) + CFLAGS="$OLD_CFLAGS" + LDFLAGS="$OLD_LDFLAGS" + ] + ) ], [ AC_MSG_RESULT([no]) |