Only try to set -mpreferred-stack-boundary on i386.
Add -Wdeclaration-after-statement warning if supported.
diff --git a/configure.ac b/configure.ac
index 4a9e8a1..f561dd8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -799,13 +799,17 @@
fi
dnl Check for -mpreferred-stack-boundary
- AC_CACHE_CHECK([for gcc -mpreferred-stack-boundary=2 support], ac_cv_c_gcc_stack_boundary,
- [WINE_TRY_CFLAGS([-mpreferred-stack-boundary=2],
- ac_cv_c_gcc_stack_boundary="yes",ac_cv_c_gcc_stack_boundary="no")])
- if test "$ac_cv_c_gcc_stack_boundary" = "yes"
- then
- EXTRACFLAGS="$EXTRACFLAGS -mpreferred-stack-boundary=2"
- fi
+ case $host_cpu in
+ *i[[3456789]]86*)
+ AC_CACHE_CHECK([for gcc -mpreferred-stack-boundary=2 support], ac_cv_c_gcc_stack_boundary,
+ [WINE_TRY_CFLAGS([-mpreferred-stack-boundary=2],
+ ac_cv_c_gcc_stack_boundary="yes",ac_cv_c_gcc_stack_boundary="no")])
+ if test "$ac_cv_c_gcc_stack_boundary" = "yes"
+ then
+ EXTRACFLAGS="$EXTRACFLAGS -mpreferred-stack-boundary=2"
+ fi
+ ;;
+ esac
dnl Check for -fno-strict-aliasing
AC_CACHE_CHECK([for gcc -fno-strict-aliasing support], ac_cv_c_gcc_no_strict_aliasing,
@@ -824,6 +828,14 @@
EXTRACFLAGS="$EXTRACFLAGS -gstabs+"
fi
+ dnl Check for -Wdeclaration-after-statement option
+ AC_CACHE_CHECK([for gcc -Wdeclaration-after-statement support], ac_cv_c_gcc_decl_after_statement,
+ [WINE_TRY_CFLAGS([-Wdeclaration-after-statement],ac_cv_c_gcc_decl_after_statement="yes", ac_cv_c_gcc_decl_after_statement="no")])
+ if test "$ac_cv_c_gcc_decl_after_statement" = "yes"
+ then
+ EXTRACFLAGS="$EXTRACFLAGS -Wdeclaration-after-statement"
+ fi
+
dnl Check for noisy string.h
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wpointer-arith -Werror"
