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Commit f9b94cb9 authored by Alexandre Julliard's avatar Alexandre Julliard
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Set -mpreferred-stack-boundary=2 flag if supported to avoid wasteful

stack alignments.
parent 0335095f
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configure.in
View file @ f9b94cb9
...@@ -461,6 +461,19 @@ int main(void) { ...@@ -461,6 +461,19 @@ int main(void) {
then then
CFLAGS="$CFLAGS -fno-strength-reduce" CFLAGS="$CFLAGS -fno-strength-reduce"
fi fi
dnl Check for -mpreferred-stack-boundary
AC_CACHE_CHECK("for gcc -mpreferred-stack-boundary=2 support",
ac_cv_c_gcc_stack_boundary,
[saved_cflags=$CFLAGS
CFLAGS="$CFLAGS -mpreferred-stack-boundary=2"
AC_TRY_COMPILE(,[return 0],ac_cv_c_gcc_stack_boundary="yes",ac_cv_c_gcc_stack_boundary="no")
CFLAGS=$saved_cflags
])
if test "$ac_cv_c_gcc_stack_boundary" = "yes"
then
CFLAGS="$CFLAGS -mpreferred-stack-boundary=2"
fi
fi fi
dnl **** Check if we need to place .type inside a .def directive **** dnl **** Check if we need to place .type inside a .def directive ****
......
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