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https://gitlab.com/qemu-project/qemu
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configure: prepare CFLAGS/CXXFLAGS/LDFLAGS for Meson
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 <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini
parent
22a87800e6
commit
086d5f7529
80
configure
vendored
80
configure
vendored
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@ -107,15 +107,12 @@ update_cxxflags() {
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# options which some versions of GCC's C++ compiler complain about
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# because they only make sense for C programs.
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QEMU_CXXFLAGS="$QEMU_CXXFLAGS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS"
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CXXFLAGS=$(echo "$CFLAGS" | sed s/-std=gnu99/-std=gnu++11/)
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for arg in $QEMU_CFLAGS; do
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case $arg in
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-Wstrict-prototypes|-Wmissing-prototypes|-Wnested-externs|\
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-Wold-style-declaration|-Wold-style-definition|-Wredundant-decls)
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;;
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-std=gnu99)
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QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }"-std=gnu++98"
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;;
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*)
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QEMU_CXXFLAGS=${QEMU_CXXFLAGS:+$QEMU_CXXFLAGS }$arg
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;;
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@ -125,13 +122,13 @@ update_cxxflags() {
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compile_object() {
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local_cflags="$1"
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do_cc $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
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do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -c -o $TMPO $TMPC
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}
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compile_prog() {
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local_cflags="$1"
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local_ldflags="$2"
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do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $QEMU_LDFLAGS $local_ldflags
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do_cc $CFLAGS $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $QEMU_LDFLAGS $local_ldflags
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}
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# symbolically link $1 to $2. Portable version of "ln -sf".
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@ -597,15 +594,14 @@ ARFLAGS="${ARFLAGS-rv}"
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# left shift of signed integers is well defined and has the expected
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# 2s-complement style results. (Both clang and gcc agree that it
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# provides these semantics.)
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QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv -std=gnu99 $QEMU_CFLAGS"
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QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
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QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv $QEMU_CFLAGS"
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QEMU_CFLAGS="-Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
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QEMU_CFLAGS="-Wstrict-prototypes -Wredundant-decls $QEMU_CFLAGS"
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QEMU_CFLAGS="-D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE $QEMU_CFLAGS"
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QEMU_INCLUDES="-iquote . -iquote ${source_path} -iquote ${source_path}/accel/tcg -iquote ${source_path}/include"
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QEMU_INCLUDES="$QEMU_INCLUDES -iquote ${source_path}/disas/libvixl"
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if test "$debug_info" = "yes"; then
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CFLAGS="-g $CFLAGS"
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fi
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CFLAGS="-std=gnu99 -Wall"
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# running configure in the source tree?
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# we know that's the case if configure is there.
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@ -886,7 +882,6 @@ SunOS)
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QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
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# needed for TIOCWIN* defines in termios.h
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QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
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QEMU_CFLAGS="-std=gnu99 $QEMU_CFLAGS"
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solarisnetlibs="-lsocket -lnsl -lresolv"
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LIBS="$solarisnetlibs $LIBS"
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libs_qga="$solarisnetlibs $libs_qga"
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@ -963,7 +958,7 @@ if test "$mingw32" = "yes" ; then
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EXESUF=".exe"
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DSOSUF=".dll"
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# MinGW needs -mthreads for TLS and macro _MT.
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QEMU_CFLAGS="-mthreads $QEMU_CFLAGS"
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CFLAGS="-mthreads $CFLAGS"
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LIBS="-lwinmm -lws2_32 $LIBS"
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write_c_skeleton;
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if compile_prog "" "-liberty" ; then
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@ -2109,7 +2104,7 @@ EOF
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for flag in $gcc_flags; do
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# We need to check both a compile and a link, since some compiler
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# setups fail only on a .c->.o compile and some only at link time
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if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
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if compile_object "-Werror $flag" &&
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compile_prog "-Werror $flag" ""; then
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QEMU_CFLAGS="$QEMU_CFLAGS $flag"
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QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
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@ -2184,7 +2179,7 @@ fi
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if test "$static" = "yes"; then
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if test "$pie" != "no" && compile_prog "-Werror -fPIE -DPIE" "-static-pie"; then
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QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
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CFLAGS="-fPIE -DPIE $CFLAGS"
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QEMU_LDFLAGS="-static-pie $QEMU_LDFLAGS"
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pie="yes"
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elif test "$pie" = "yes"; then
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@ -2194,11 +2189,11 @@ if test "$static" = "yes"; then
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pie="no"
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fi
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elif test "$pie" = "no"; then
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QEMU_CFLAGS="$CFLAGS_NOPIE $QEMU_CFLAGS"
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QEMU_LDFLAGS="$LDFLAGS_NOPIE $QEMU_LDFLAGS"
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CFLAGS="$CFLAGS_NOPIE $CFLAGS"
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LDFLAGS="$LDFLAGS_NOPIE $LDFLAGS"
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elif compile_prog "-Werror -fPIE -DPIE" "-pie"; then
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QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
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QEMU_LDFLAGS="-pie $QEMU_LDFLAGS"
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CFLAGS="-fPIE -DPIE $CFLAGS"
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LDFLAGS="-pie $LDFLAGS"
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pie="yes"
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elif test "$pie" = "yes"; then
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error_exit "PIE not available due to missing toolchain support"
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@ -3981,7 +3976,7 @@ EOF
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if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
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if cc_has_warning_flag "-Wno-unknown-attributes"; then
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glib_cflags="-Wno-unknown-attributes $glib_cflags"
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CFLAGS="-Wno-unknown-attributes $CFLAGS"
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QEMU_CFLAGS="-Wno-unknown-attributes $CFLAGS"
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fi
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fi
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@ -6506,10 +6501,28 @@ if test "$gcov" = "yes" ; then
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QEMU_CFLAGS="-fprofile-arcs -ftest-coverage -g $QEMU_CFLAGS"
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QEMU_LDFLAGS="-fprofile-arcs -ftest-coverage $QEMU_LDFLAGS"
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elif test "$fortify_source" = "yes" ; then
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CFLAGS="-O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $CFLAGS"
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elif test "$debug" = "no"; then
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QEMU_CFLAGS="-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $QEMU_CFLAGS"
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debug=no
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fi
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if test "$debug" = "no"; then
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CFLAGS="-O2 $CFLAGS"
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fi
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if test "$debug_info" = "yes"; then
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CFLAGS="-g $CFLAGS"
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LDFLAGS="-g $LDFLAGS"
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fi
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case "$ARCH" in
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alpha)
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# Ensure there's only a single GP
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QEMU_CFLAGS="-msmall-data $QEMU_CFLAGS"
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;;
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esac
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if test "$gprof" = "yes" ; then
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QEMU_CFLAGS="-p $QEMU_CFLAGS"
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QEMU_LDFLAGS="-p $QEMU_LDFLAGS"
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fi
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if test "$have_asan" = "yes"; then
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QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
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@ -6782,7 +6795,7 @@ EOF
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update_cxxflags
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if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
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if do_cxx $CXXFLAGS $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
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# C++ compiler $cxx works ok with C compiler $cc
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:
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else
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@ -7874,7 +7887,7 @@ if test "$fuzzing" = "yes" ; then
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if test "$have_fuzzer" = "yes"; then
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FUZZ_LDFLAGS=" -fsanitize=fuzzer"
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FUZZ_CFLAGS=" -fsanitize=fuzzer"
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CFLAGS="$CFLAGS -fsanitize=fuzzer-no-link"
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QEMU_CFLAGS="$QEMU_CFLAGS -fsanitize=fuzzer-no-link"
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else
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error_exit "Your compiler doesn't support -fsanitize=fuzzer"
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exit 1
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@ -7961,6 +7974,7 @@ echo "NM=$nm" >> $config_host_mak
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echo "PKG_CONFIG=$pkg_config_exe" >> $config_host_mak
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echo "WINDRES=$windres" >> $config_host_mak
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echo "CFLAGS=$CFLAGS" >> $config_host_mak
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echo "CXXFLAGS=$CXXFLAGS" >> $config_host_mak
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echo "CFLAGS_NOPIE=$CFLAGS_NOPIE" >> $config_host_mak
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echo "QEMU_CFLAGS=$QEMU_CFLAGS" >> $config_host_mak
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echo "QEMU_CXXFLAGS=$QEMU_CXXFLAGS" >> $config_host_mak
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@ -8430,24 +8444,6 @@ if test "$tcg_interpreter" = "yes" ; then
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disas_config "TCI"
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fi
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case "$ARCH" in
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alpha)
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# Ensure there's only a single GP
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cflags="-msmall-data $cflags"
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;;
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esac
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if test "$gprof" = "yes" ; then
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if test "$target_linux_user" = "yes" ; then
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cflags="-p $cflags"
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ldflags="-p $ldflags"
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fi
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if test "$target_softmmu" = "yes" ; then
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ldflags="-p $ldflags"
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echo "GPROF_CFLAGS=-p" >> $config_target_mak
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fi
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fi
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# Newer kernels on s390 check for an S390_PGSTE program header and
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# enable the pgste page table extensions in that case. This makes
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# the vm.allocate_pgste sysctl unnecessary. We enable this program
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@ -88,12 +88,12 @@ LINK = $(call quiet-command, $(LINKPROG) $(CFLAGS) $(QEMU_LDFLAGS) -o $@ \
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%.o: %.cc
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$(call quiet-command,$(CXX) $(QEMU_LOCAL_INCLUDES) $(QEMU_INCLUDES) \
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$(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) \
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$(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CXXFLAGS) $($@-cflags) \
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-c -o $@ $<,"CXX","$(TARGET_DIR)$@")
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%.o: %.cpp
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$(call quiet-command,$(CXX) $(QEMU_LOCAL_INCLUDES) $(QEMU_INCLUDES) \
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$(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) $($@-cflags) \
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$(QEMU_CXXFLAGS) $(QEMU_DGFLAGS) $(CXXFLAGS) $($@-cflags) \
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-c -o $@ $<,"CXX","$(TARGET_DIR)$@")
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%.o: %.m
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@ -11,4 +11,4 @@ obj-y += memory_mapping.o
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obj-y += qtest.o
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obj-y += vl.o
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vl.o-cflags := $(GPROF_CFLAGS) $(SDL_CFLAGS)
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vl.o-cflags := $(SDL_CFLAGS)
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