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Tue, 18 Aug 2020 14:10:41 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 20C2EBA63 for ; Tue, 18 Aug 2020 14:10:41 +0000 (UTC) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 014/150] configure: prepare CFLAGS/CXXFLAGS/LDFLAGS for Meson Date: Tue, 18 Aug 2020 10:08:09 -0400 Message-Id: <20200818141025.21608-15-pbonzini@redhat.com> In-Reply-To: <20200818141025.21608-1-pbonzini@redhat.com> References: <20200818141025.21608-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0.001 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/18 03:22:11 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=-1, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Split between CFLAGS/QEMU_CFLAGS and CXXFLAGS/QEMU_CXXFLAGS so that we will use CFLAGS and CXXFLAGS for flags that we do not want to pass to add_project_arguments. Signed-off-by: Paolo Bonzini --- configure | 78 ++++++++++++++++++++----------------------- rules.mak | 4 +-- softmmu/Makefile.objs | 2 +- 3 files changed, 40 insertions(+), 44 deletions(-) diff --git a/configure b/configure index 373bb22287..42f0c1c20b 100755 --- a/configure +++ b/configure @@ -107,15 +107,12 @@ update_cxxflags() { # options which some versions of GCC's C++ compiler complain about # because they only make sense for C programs. QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS" - + CXXFLAGS=$(echo "$CFLAGS" | sed s/-std=gnu99/-std=gnu++11/) for arg in $QEMU_CFLAGS; do case $arg in -Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\ -Wold-style-declaration|-Wold-style-definition|-Wredundant-decls) ;; - -std=gnu99) - QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }"-std=gnu++98" - ;; *) QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg ;; @@ -125,13 +122,13 @@ update_cxxflags() { compile_object() { local_cflags="$1" - do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC + do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC } compile_prog() { local_cflags="$1" local_ldflags="$2" - do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $QEMU_LDFLAGS $local_ldflags + do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $QEMU_LDFLAGS $local_ldflags } # symbolically link $1 to $2. Portable version of "ln -sf". @@ -597,15 +594,14 @@ ARFLAGS="${ARFLAGS-rv}" # left shift of signed integers is well defined and has the expected # 2s-complement style results. (Both clang and gcc agree that it # provides these semantics.) -QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS" -QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" +QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS" +QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS" QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS" QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS" QEMU_INCLUDES="-iquote . -iquote ${source_path} -iquote ${source_path}/accel/tcg -iquote ${source_path}/include" QEMU_INCLUDES="$QEMU_INCLUDES -iquote ${source_path}/disas/libvixl" -if test "$debug_info" = "yes"; then - CFLAGS="-g $CFLAGS" -fi +CFLAGS="-std=gnu99 -Wall" + # running configure in the source tree? # we know that's the case if configure is there. @@ -886,7 +882,6 @@ SunOS) QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS" # needed for TIOCWIN* defines in termios.h QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS" - QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS" solarisnetlibs="-lsocket -lnsl -lresolv" LIBS="$solarisnetlibs $LIBS" libs_qga="$solarisnetlibs $libs_qga" @@ -2109,7 +2104,7 @@ EOF for flag in $gcc_flags; do # We need to check both a compile and a link, since some compiler # setups fail only on a .c->.o compile and some only at link time - if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC && + if compile_object "-Werror $flag" && compile_prog "-Werror $flag" ""; then QEMU_CFLAGS="$QEMU_CFLAGS $flag" QEMU_LDFLAGS="$QEMU_LDFLAGS $flag" @@ -2184,7 +2179,7 @@ fi if test "$static" = "yes"; then if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then - QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS" + CFLAGS="-fPIE -DPIE $CFLAGS" QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS" pie="yes" elif test "$pie" = "yes"; then @@ -2194,11 +2189,11 @@ if test "$static" = "yes"; then pie="no" fi elif test "$pie" = "no"; then - QEMU_CFLAGS="$CFLAGS_NOPIE $QEMU_CFLAGS" - QEMU_LDFLAGS="$LDFLAGS_NOPIE $QEMU_LDFLAGS" + CFLAGS="$CFLAGS_NOPIE $CFLAGS" + LDFLAGS="$LDFLAGS_NOPIE $LDFLAGS" elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then - QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS" - QEMU_LDFLAGS="-pie $QEMU_LDFLAGS" + CFLAGS="-fPIE -DPIE $CFLAGS" + LDFLAGS="-pie $LDFLAGS" pie="yes" elif test "$pie" = "yes"; then error_exit "PIE not available due to missing toolchain support" @@ -3981,7 +3976,7 @@ 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" - CFLAGS="-Wno-unknown-attributes $CFLAGS" + QEMU_CFLAGS="-Wno-unknown-attributes $CFLAGS" fi fi @@ -6506,10 +6501,28 @@ if test "$gcov" = "yes" ; then QEMU_CFLAGS="-fprofile-arcs -ftest-coverage -g $QEMU_CFLAGS" QEMU_LDFLAGS="-fprofile-arcs -ftest-coverage $QEMU_LDFLAGS" elif test "$fortify_source" = "yes" ; then - CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS" -elif test "$debug" = "no"; then + QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS" + debug=no +fi +if test "$debug" = "no"; then CFLAGS="-O2 $CFLAGS" fi +if test "$debug_info" = "yes"; then + CFLAGS="-g $CFLAGS" + LDFLAGS="-g $LDFLAGS" +fi + +case "$ARCH" in +alpha) + # Ensure there's only a single GP + QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS" +;; +esac + +if test "$gprof" = "yes" ; then + QEMU_CFLAGS="-p $QEMU_CFLAGS" + QEMU_LDFLAGS="-p $QEMU_LDFLAGS" +fi if test "$have_asan" = "yes"; then QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" @@ -6782,7 +6795,7 @@ EOF update_cxxflags - if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then + if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then # C++ compiler $cxx works ok with C compiler $cc : else @@ -7874,7 +7887,7 @@ if test "$fuzzing" = "yes" ; then if test "$have_fuzzer" = "yes"; then FUZZ_LDFLAGS=" -fsanitize=fuzzer" FUZZ_CFLAGS=" -fsanitize=fuzzer" - CFLAGS="$CFLAGS -fsanitize=fuzzer-no-link" + QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link" else error_exit "Your compiler doesn't support -fsanitize=fuzzer" exit 1 @@ -7961,6 +7974,7 @@ echo "NM=$nm" >> $config_host_mak echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak echo "WINDRES=$windres" >> $config_host_mak echo "CFLAGS=$CFLAGS" >> $config_host_mak +echo "CXXFLAGS=$CXXFLAGS" >> $config_host_mak echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak @@ -8430,24 +8444,6 @@ if test "$tcg_interpreter" = "yes" ; then disas_config "TCI" fi -case "$ARCH" in -alpha) - # Ensure there's only a single GP - cflags="-msmall-data $cflags" -;; -esac - -if test "$gprof" = "yes" ; then - if test "$target_linux_user" = "yes" ; then - cflags="-p $cflags" - ldflags="-p $ldflags" - fi - if test "$target_softmmu" = "yes" ; then - ldflags="-p $ldflags" - echo "GPROF_CFLAGS=-p" >> $config_target_mak - fi -fi - # Newer kernels on s390 check for an S390_PGSTE program header and # enable the pgste page table extensions in that case. This makes # the vm.allocate_pgste sysctl unnecessary. We enable this program diff --git a/rules.mak b/rules.mak index 56ba540a32..e79a4005a7 100644 --- a/rules.mak +++ b/rules.mak @@ -88,12 +88,12 @@ LINK = $(call quiet-command, $(LINKPROG) $(CFLAGS) $(QEMU_LDFLAGS) -o $@ \ %.o: %.cc $(call quiet-command,$(CXX) $(QEMU_LOCAL_INCLUDES) $(QEMU_INCLUDES) \ - $(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) \ + $(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CXXFLAGS) $($@-cflags) \ -c -o $@ $<,"CXX","$(TARGET_DIR)$@") %.o: %.cpp $(call quiet-command,$(CXX) $(QEMU_LOCAL_INCLUDES) $(QEMU_INCLUDES) \ - $(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) \ + $(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CXXFLAGS) $($@-cflags) \ -c -o $@ $<,"CXX","$(TARGET_DIR)$@") %.o: %.m diff --git a/softmmu/Makefile.objs b/softmmu/Makefile.objs index a414a74c50..c036887500 100644 --- a/softmmu/Makefile.objs +++ b/softmmu/Makefile.objs @@ -11,4 +11,4 @@ obj-y += memory_mapping.o obj-y += qtest.o obj-y += vl.o -vl.o-cflags := $(GPROF_CFLAGS) $(SDL_CFLAGS) +vl.o-cflags := $(SDL_CFLAGS)