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configure: Drop obsolete check for the alloc_size attribute

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We recently bumped our requirement for Clang to at least version 6.0.
And according to:

 https://releases.llvm.org/6.0.0/tools/clang/docs/AttributeReference.html

Clang v6.0 supports the alloc_size attribute. Thus we can drop this
check in the configure script now.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210714072855.785566-1-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Thomas Huth 2021-07-14 09:28:55 +02:00 committed by Paolo Bonzini
parent d499f196fe
commit c10852afb6
1 changed files with 0 additions and 12 deletions
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12
configure vendored
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@ -3266,18 +3266,6 @@ if ! compile_prog "$glib_cflags" "$glib_libs" ; then
"build target"
fi
# Silence clang 3.5.0 warnings about glib attribute __alloc_size__ usage
cat > $TMPC << EOF
#include <glib.h>
int main(void) { return 0; }
EOF
if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
if cc_has_warning_flag "-Wno-unknown-attributes"; then
glib_cflags="-Wno-unknown-attributes $glib_cflags"
CONFIGURE_CFLAGS="-Wno-unknown-attributes $CONFIGURE_CFLAGS"
fi
fi
# Silence clang warnings triggered by glib < 2.57.2
cat > $TMPC << EOF
#include <glib.h>