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 <pbonz...@redhat.com> --- configure | 42 ++++++++++++++++++++++-------------------- rules.mak | 4 ++-- 2 files changed, 24 insertions(+), 22 deletions(-) diff --git a/configure b/configure index 29cde6a..c65cf77 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++03/) 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 ;; @@ -131,7 +128,7 @@ compile_object() { 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="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS" QEMU_CFLAGS="-Wall -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 + # 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 $libs_qga" @@ -2184,21 +2179,21 @@ fi if test "$static" = "yes"; then if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then - QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS" - QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS" + CFLAGS="-fPIE -DPIE $QEMU_CFLAGS" + LDFLAGS="-static-pie $QEMU_LDFLAGS" pie="yes" elif test "$pie" = "yes"; then error_exit "-static-pie not available due to missing toolchain support" else - QEMU_LDFLAGS="-static $QEMU_LDFLAGS" + LDFLAGS="-static $QEMU_LDFLAGS" pie="no" fi elif test "$pie" = "no"; then - QEMU_CFLAGS="$CFLAGS_NOPIE $QEMU_CFLAGS" - QEMU_LDFLAGS="$LDFLAGS_NOPIE $QEMU_LDFLAGS" + CFLAGS="$CFLAGS_NOPIE $QEMU_CFLAGS" + LDFLAGS="$LDFLAGS_NOPIE $QEMU_LDFLAGS" elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then - QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS" - QEMU_LDFLAGS="-pie $QEMU_LDFLAGS" + CFLAGS="-fPIE -DPIE $QEMU_CFLAGS" + LDFLAGS="-pie $QEMU_LDFLAGS" pie="yes" elif test "$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 $CFLAGS" fi fi @@ -6506,10 +6501,16 @@ if test "$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 $LDFLAGS" +fi if test "$have_asan" = "yes"; then QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS" @@ -7961,6 +7962,7 @@ echo "NM=$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 diff --git a/rules.mak b/rules.mak index 56ba540..e79a400 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 -- 1.8.3.1