configure: Use -std=gnu11

Now that the minimum gcc version is 7.5, we can use C11.
This will allow lots of cleanups to the code, currently
hidden behind macros in include/qemu/compiler.h.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210614233143.1221879-2-richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Richard Henderson 2021-06-14 16:31:36 -07:00 committed by Paolo Bonzini
parent e0375ec760
commit 8a9d3d5640
2 changed files with 3 additions and 3 deletions

4
configure vendored
View File

@ -159,7 +159,7 @@ update_cxxflags() {
# options which some versions of GCC's C++ compiler complain about # options which some versions of GCC's C++ compiler complain about
# because they only make sense for C programs. # because they only make sense for C programs.
QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS" QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu99/-std=gnu++11/) CONFIGURE_CXXFLAGS=$(echo "$CONFIGURE_CFLAGS" | sed s/-std=gnu11/-std=gnu++11/)
for arg in $QEMU_CFLAGS; do for arg in $QEMU_CFLAGS; do
case $arg in case $arg in
-Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\ -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
@ -538,7 +538,7 @@ QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
# Flags that are needed during configure but later taken care of by Meson # Flags that are needed during configure but later taken care of by Meson
CONFIGURE_CFLAGS="-std=gnu99 -Wall" CONFIGURE_CFLAGS="-std=gnu11 -Wall"
CONFIGURE_LDFLAGS= CONFIGURE_LDFLAGS=

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@ -1,5 +1,5 @@
project('qemu', ['c'], meson_version: '>=0.55.0', project('qemu', ['c'], meson_version: '>=0.55.0',
default_options: ['warning_level=1', 'c_std=gnu99', 'cpp_std=gnu++11', 'b_colorout=auto'] + default_options: ['warning_level=1', 'c_std=gnu11', 'cpp_std=gnu++11', 'b_colorout=auto'] +
(meson.version().version_compare('>=0.56.0') ? [ 'b_staticpic=false' ] : []), (meson.version().version_compare('>=0.56.0') ? [ 'b_staticpic=false' ] : []),
version: run_command('head', meson.source_root() / 'VERSION').stdout().strip()) version: run_command('head', meson.source_root() / 'VERSION').stdout().strip())