diff options
| -rw-r--r-- | configure.in | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 9ac0075aa..4fd326e6b 100644 --- a/configure.in +++ b/configure.in @@ -881,6 +881,16 @@ if test -n "$GCC"; then AC_MSG_RESULT(no)) CFLAGS="$OLDCFLAGS" + # See if GCC supports -fno-strict-aliasing... + AC_MSG_CHECKING(if GCC supports -fno-strict-aliasing) + OLDCFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -fno-strict-aliasing" + AC_TRY_COMPILE(,, + OPTIM="$OPTIM -fno-strict-aliasing" + AC_MSG_RESULT(yes), + AC_MSG_RESULT(no)) + CFLAGS="$OLDCFLAGS" + # See if we are running Solaris; if so, try the -fpermissive option... # This option is required on some versions of Solaris to work around # bugs in the X headers up through Solaris 7. |