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[PATCH v2 8/8] configure: Remove probe for _Static_assert
From: |
Richard Henderson |
Subject: |
[PATCH v2 8/8] configure: Remove probe for _Static_assert |
Date: |
Mon, 14 Jun 2021 16:31:43 -0700 |
_Static_assert is part of C11, which is now required.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
configure | 18 ------------------
include/qemu/compiler.h | 11 -----------
2 files changed, 29 deletions(-)
diff --git a/configure b/configure
index 0489864667..debd50c085 100755
--- a/configure
+++ b/configure
@@ -5090,20 +5090,6 @@ if compile_prog "" "" ; then
have_sysmacros=yes
fi
-##########################################
-# check for _Static_assert()
-
-have_static_assert=no
-cat > $TMPC << EOF
-_Static_assert(1, "success");
-int main(void) {
- return 0;
-}
-EOF
-if compile_prog "" "" ; then
- have_static_assert=yes
-fi
-
##########################################
# check for utmpx.h, it is missing e.g. on OpenBSD
@@ -6035,10 +6021,6 @@ if test "$have_sysmacros" = "yes" ; then
echo "CONFIG_SYSMACROS=y" >> $config_host_mak
fi
-if test "$have_static_assert" = "yes" ; then
- echo "CONFIG_STATIC_ASSERT=y" >> $config_host_mak
-fi
-
if test "$have_utmpx" = "yes" ; then
echo "HAVE_UTMPX=y" >> $config_host_mak
fi
diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h
index 5766d61589..3baa5e3790 100644
--- a/include/qemu/compiler.h
+++ b/include/qemu/compiler.h
@@ -72,18 +72,7 @@
int:(x) ? -1 : 1; \
}
-/* QEMU_BUILD_BUG_MSG() emits the message given if _Static_assert is
- * supported; otherwise, it will be omitted from the compiler error
- * message (but as it remains present in the source code, it can still
- * be useful when debugging). */
-#if defined(CONFIG_STATIC_ASSERT)
#define QEMU_BUILD_BUG_MSG(x, msg) _Static_assert(!(x), msg)
-#elif defined(__COUNTER__)
-#define QEMU_BUILD_BUG_MSG(x, msg) typedef QEMU_BUILD_BUG_ON_STRUCT(x) \
- glue(qemu_build_bug_on__, __COUNTER__) __attribute__((unused))
-#else
-#define QEMU_BUILD_BUG_MSG(x, msg)
-#endif
#define QEMU_BUILD_BUG_ON(x) QEMU_BUILD_BUG_MSG(x, "not expecting: " #x)
--
2.25.1
- [PATCH v2 3/8] util: Use real functions for thread-posix QemuRecMutex, (continued)
- [PATCH v2 3/8] util: Use real functions for thread-posix QemuRecMutex, Richard Henderson, 2021/06/14
- [PATCH v2 6/8] include/qemu/lockable: Use _Generic instead of QEMU_GENERIC, Richard Henderson, 2021/06/14
- [PATCH v2 4/8] util: Pass file+line to qemu_rec_mutex_unlock_impl, Richard Henderson, 2021/06/14
- [PATCH v2 7/8] qemu/compiler: Remove QEMU_GENERIC, Richard Henderson, 2021/06/14
- [PATCH v2 8/8] configure: Remove probe for _Static_assert,
Richard Henderson <=
- Re: [PATCH v2 0/8] configure: Change to -std=gnu11, no-reply, 2021/06/14
- Re: [PATCH v2 0/8] configure: Change to -std=gnu11, Paolo Bonzini, 2021/06/16