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* configure.ac: Make error messages less confusing by testing for

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-Wtrampolines rather than -Wno-trampolines (since -Wno-* is always
accepted, but produces a diagnostic if something else is wrong).
This commit is contained in:
Colin Watson 2010-11-16 15:50:20 +00:00
parent e98937aaf0
commit 72b7c7aa36
2 changed files with 10 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2010-11-16 Colin Watson <cjwatson@ubuntu.com>
* configure.ac: Make error messages less confusing by testing for
-Wtrampolines rather than -Wno-trampolines (since -Wno-* is always
accepted, but produces a diagnostic if something else is wrong).
2010-11-15 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/term/at_keyboard.c (grub_keyboard_controller_read)

5
configure.ac
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@ -673,7 +673,10 @@ fi
AC_CACHE_CHECK([whether -Wno-trampolines work], [grub_cv_cc_wnotrampolines], [
SAVED_CFLAGS="$CFLAGS"
CFLAGS="$TARGET_CFLAGS -Wno-trampolines"
# Test for -Wtrampolines rather than -Wno-trampolines to reduce confusion
# in the event of later failures (since -Wno-* is always accepted, but
# produces a diagnostic if something else is wrong).
CFLAGS="$TARGET_CFLAGS -Wtrampolines"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdarg.h>
int va_arg_func (int fixed, va_list args);]], [[]])],
[grub_cv_cc_wnotrampolines=yes],