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authorRichard Henderson <richard.henderson@linaro.org>2021-06-14 16:31:43 -0700
committerPaolo Bonzini <pbonzini@redhat.com>2021-06-16 15:03:26 +0200
commitf51f8e3591393f7f274e1435ac22188e2dafdfe8 (patch)
tree5bfda976772a72a5d69bc016e170f7648cf7bd03
parentde51d8cbf0f9a9745ac02fb07e02063b7dfe35b9 (diff)
configure: Remove probe for _Static_assert
_Static_assert is part of C11, which is now required. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20210614233143.1221879-9-richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rwxr-xr-xconfigure18
-rw-r--r--include/qemu/compiler.h11
2 files changed, 0 insertions, 29 deletions
diff --git a/configure b/configure
index ebc016111a..262ab71802 100755
--- a/configure
+++ b/configure
@@ -5091,20 +5091,6 @@ if compile_prog "" "" ; then
fi
##########################################
-# check for _Static_assert()
-
-have_static_assert=no
-cat > $TMPC << EOF
-_Static_assert(1, "success");
-int main(void) {
- return 0;
-}
-EOF
-if compile_prog "" "" ; then
- have_static_assert=yes
-fi
-
-##########################################
# check for utmpx.h, it is missing e.g. on OpenBSD
have_utmpx=no
@@ -6035,10 +6021,6 @@ if test "$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)