compile_prog() {
local_cflags="$1"
local_ldflags="$2"
- do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $LDFLAGS $local_ldflags
+ do_cc $QEMU_CFLAGS $local_cflags -o $TMPE $TMPC $QEMU_LDFLAGS $local_ldflags
}
# symbolically link $1 to $2. Portable version of "ln -sf".
xen_ctrl_version=""
xen_pci_passthrough=""
linux_aio=""
+linux_io_uring=""
cap_ng=""
attr=""
libattr=""
snappy=""
bzip2=""
lzfse=""
+zstd=""
guest_agent=""
guest_agent_with_vss="no"
guest_agent_ntddscsi="no"
guest_agent_msi=""
vss_win32_sdk=""
win_sdk="no"
-want_tools="yes"
+want_tools=""
libiscsi=""
libnfs=""
coroutine=""
libpmem=""
default_devices="yes"
plugins="no"
+fuzzing="no"
supported_cpu="no"
supported_os="no"
--cpu=*) cpu="$optarg"
;;
--extra-cflags=*) QEMU_CFLAGS="$QEMU_CFLAGS $optarg"
+ QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
;;
--extra-cxxflags=*) QEMU_CXXFLAGS="$QEMU_CXXFLAGS $optarg"
;;
- --extra-ldflags=*) LDFLAGS="$LDFLAGS $optarg"
+ --extra-ldflags=*) QEMU_LDFLAGS="$QEMU_LDFLAGS $optarg"
EXTRA_LDFLAGS="$optarg"
;;
--enable-debug-info) debug_info="yes"
QEMU_INCLUDES="$QEMU_INCLUDES -iquote \$(SRC_PATH)/disas/libvixl"
if test "$debug_info" = "yes"; then
CFLAGS="-g $CFLAGS"
- LDFLAGS="-g $LDFLAGS"
fi
# running configure in the source tree?
EOF
}
+write_c_fuzzer_skeleton() {
+ cat > $TMPC <<EOF
+#include <stdint.h>
+#include <sys/types.h>
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
+EOF
+}
+
if check_define __linux__ ; then
targetos="Linux"
elif check_define _WIN32 ; then
LDFLAGS_SHARED="-bundle -undefined dynamic_lookup"
if [ "$cpu" = "x86_64" ] ; then
QEMU_CFLAGS="-arch x86_64 $QEMU_CFLAGS"
- LDFLAGS="-arch x86_64 $LDFLAGS"
+ QEMU_LDFLAGS="-arch x86_64 $QEMU_LDFLAGS"
fi
cocoa="yes"
audio_drv_list="coreaudio try-sdl"
audio_possible_drivers="coreaudio sdl"
- LDFLAGS="-framework CoreFoundation -framework IOKit $LDFLAGS"
+ QEMU_LDFLAGS="-framework CoreFoundation -framework IOKit $QEMU_LDFLAGS"
libs_softmmu="-F/System/Library/Frameworks -framework Cocoa -framework IOKit $libs_softmmu"
# Disable attempts to use ObjectiveC features in os/object.h since they
# won't work when we're compiling with gcc as a C compiler.
break
fi
done
+
+sphinx_build=
+for binary in sphinx-build-3 sphinx-build
+do
+ if has "$binary"
+ then
+ sphinx_build=$(command -v "$binary")
+ break
+ fi
+done
+
+# Check for ancillary tools used in testing
+genisoimage=
+for binary in genisoimage
+do
+ if has $binary
+ then
+ genisoimage=$(command -v "$binary")
+ break
+ fi
+done
+
: ${smbd=${SMBD-/usr/sbin/smbd}}
# Default objcc to clang if available, otherwise use CC
;;
--python=*) python="$optarg"
;;
+ --sphinx-build=*) sphinx_build="$optarg"
+ ;;
--gcov=*) gcov_tool="$optarg"
;;
--smbd=*) smbd="$optarg"
;;
--static)
static="yes"
- LDFLAGS="-static $LDFLAGS"
+ QEMU_LDFLAGS="-static $QEMU_LDFLAGS"
QEMU_PKG_CONFIG_FLAGS="--static $QEMU_PKG_CONFIG_FLAGS"
;;
--mandir=*) mandir="$optarg"
;;
--enable-linux-aio) linux_aio="yes"
;;
+ --disable-linux-io-uring) linux_io_uring="no"
+ ;;
+ --enable-linux-io-uring) linux_io_uring="yes"
+ ;;
--disable-attr) attr="no"
;;
--enable-attr) attr="yes"
;;
--disable-lzfse) lzfse="no"
;;
+ --disable-zstd) zstd="no"
+ ;;
+ --enable-zstd) zstd="yes"
+ ;;
--enable-guest-agent) guest_agent="yes"
;;
--disable-guest-agent) guest_agent="no"
;;
--disable-containers) use_containers="no"
;;
+ --enable-fuzzing) fuzzing=yes
+ ;;
+ --disable-fuzzing) fuzzing=no
+ ;;
*)
echo "ERROR: unknown option $opt"
echo "Try '$0 --help' for more information"
case "$cpu" in
ppc)
CPU_CFLAGS="-m32"
- LDFLAGS="-m32 $LDFLAGS"
+ QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
;;
ppc64)
CPU_CFLAGS="-m64"
- LDFLAGS="-m64 $LDFLAGS"
+ QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
;;
sparc)
CPU_CFLAGS="-m32 -mv8plus -mcpu=ultrasparc"
- LDFLAGS="-m32 -mv8plus $LDFLAGS"
+ QEMU_LDFLAGS="-m32 -mv8plus $QEMU_LDFLAGS"
;;
sparc64)
CPU_CFLAGS="-m64 -mcpu=ultrasparc"
- LDFLAGS="-m64 $LDFLAGS"
+ QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
;;
s390)
CPU_CFLAGS="-m31"
- LDFLAGS="-m31 $LDFLAGS"
+ QEMU_LDFLAGS="-m31 $QEMU_LDFLAGS"
;;
s390x)
CPU_CFLAGS="-m64"
- LDFLAGS="-m64 $LDFLAGS"
+ QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
;;
i386)
CPU_CFLAGS="-m32"
- LDFLAGS="-m32 $LDFLAGS"
+ QEMU_LDFLAGS="-m32 $QEMU_LDFLAGS"
;;
x86_64)
# ??? Only extremely old AMD cpus do not have cmpxchg16b.
# If we truly care, we should simply detect this case at
# runtime and generate the fallback to serial emulation.
CPU_CFLAGS="-m64 -mcx16"
- LDFLAGS="-m64 $LDFLAGS"
+ QEMU_LDFLAGS="-m64 $QEMU_LDFLAGS"
;;
x32)
CPU_CFLAGS="-mx32"
- LDFLAGS="-mx32 $LDFLAGS"
+ QEMU_LDFLAGS="-mx32 $QEMU_LDFLAGS"
;;
# No special flags required for other host CPUs
esac
--make=MAKE use specified make [$make]
--install=INSTALL use specified install [$install]
--python=PYTHON use specified python [$python]
+ --sphinx-build=SPHINX use specified sphinx-build [$sphinx_build]
--smbd=SMBD use specified smbd [$smbd]
--with-git=GIT use specified git [$git]
--static enable static build [$static]
vde support for vde network
netmap support for netmap network
linux-aio Linux AIO support
+ linux-io-uring Linux io_uring support
cap-ng libcap-ng support
attr attr and xattr support
vhost-net vhost-net kernel acceleration support
(for reading bzip2-compressed dmg images)
lzfse support of lzfse compression library
(for reading lzfse-compressed dmg images)
+ zstd support for zstd compression library
+ (for migration compression)
seccomp seccomp support
coroutine-pool coroutine freelist (better performance)
glusterfs GlusterFS backend
if do_cc $QEMU_CFLAGS -Werror $flag -c -o $TMPO $TMPC &&
compile_prog "-Werror $flag" ""; then
QEMU_CFLAGS="$QEMU_CFLAGS $flag"
+ QEMU_LDFLAGS="$QEMU_LDFLAGS $flag"
sp_on=1
break
fi
if compile_prog "-fPIE -DPIE" "-pie"; then
QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
- LDFLAGS="-pie $LDFLAGS"
+ QEMU_LDFLAGS="-pie $QEMU_LDFLAGS"
pie="yes"
if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
- LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
+ QEMU_LDFLAGS="-Wl,-z,relro -Wl,-z,now $QEMU_LDFLAGS"
fi
else
if test "$pie" = "yes"; then
echo big/little test failed
fi
+##########################################
+# system tools
+if test -z "$want_tools"; then
+ if test "$softmmu" = "no"; then
+ want_tools=no
+ else
+ want_tools=yes
+ fi
+fi
+
##########################################
# cocoa implies not SDL or GTK
# (the cocoa UI code currently assumes it is always the active UI
fi
fi
+##########################################
+# zstd check
+
+if test "$zstd" != "no" ; then
+ libzstd_minver="1.4.0"
+ if $pkg_config --atleast-version=$libzstd_minver libzstd ; then
+ zstd_cflags="$($pkg_config --cflags libzstd)"
+ zstd_libs="$($pkg_config --libs libzstd)"
+ LIBS="$zstd_libs $LIBS"
+ QEMU_CFLAGS="$QEMU_CFLAGS $zstd_cflags"
+ zstd="yes"
+ else
+ if test "$zstd" = "yes" ; then
+ feature_not_found "libzstd" "Install libzstd devel"
+ fi
+ zstd="no"
+ fi
+fi
+
##########################################
# libseccomp check
linux_aio=no
fi
fi
+##########################################
+# linux-io-uring probe
+
+if test "$linux_io_uring" != "no" ; then
+ if $pkg_config liburing; then
+ linux_io_uring_cflags=$($pkg_config --cflags liburing)
+ linux_io_uring_libs=$($pkg_config --libs liburing)
+ linux_io_uring=yes
+
+ # io_uring is used in libqemuutil.a where per-file -libs variables are not
+ # seen by programs linking the archive. It's not ideal, but just add the
+ # library dependency globally.
+ LIBS="$linux_io_uring_libs $LIBS"
+ else
+ if test "$linux_io_uring" = "yes" ; then
+ feature_not_found "linux io_uring" "Install liburing devel"
+ fi
+ linux_io_uring=no
+ fi
+fi
##########################################
# TPM emulation is only on POSIX
"targets which need it (by specifying a cut down --target-list)."
fi
fdt=yes
+elif test "$fdt" != "yes" ; then
+ fdt=no
+fi
+
+# fdt is only required when building softmmu targets
+if test -z "$fdt" -a "$softmmu" != "yes" ; then
+ fdt="no"
fi
if test "$fdt" != "no" ; then
# sphinx-build doesn't exist at all or if it is too old.
mkdir -p "$TMPDIR1/sphinx"
touch "$TMPDIR1/sphinx/index.rst"
- sphinx-build -c "$source_path/docs" -b html "$TMPDIR1/sphinx" "$TMPDIR1/sphinx/out" >/dev/null 2>&1
+ "$sphinx_build" -c "$source_path/docs" -b html "$TMPDIR1/sphinx" "$TMPDIR1/sphinx/out" >/dev/null 2>&1
}
# Check if tools are available to build documentation.
if test "$docs" != "no" ; then
- if has makeinfo && has pod2man && has_sphinx_build; then
+ if has_sphinx_build; then
+ sphinx_ok=yes
+ else
+ sphinx_ok=no
+ fi
+ if has makeinfo && has pod2man && test "$sphinx_ok" = "yes"; then
docs=yes
else
if test "$docs" = "yes" ; then
- feature_not_found "docs" "Install texinfo, Perl/perl-podlators and python-sphinx"
+ if has $sphinx_build && test "$sphinx_ok" != "yes"; then
+ echo "Warning: $sphinx_build exists but it is either too old or uses too old a Python version" >&2
+ fi
+ feature_not_found "docs" "Install texinfo, Perl/perl-podlators and a Python 3 version of python-sphinx"
fi
docs=no
fi
strchrnul=yes
fi
+#########################################
+# check if we have st_atim
+
+st_atim=no
+cat > $TMPC << EOF
+#include <sys/stat.h>
+#include <stddef.h>
+int main(void) { return offsetof(struct stat, st_atim); }
+EOF
+if compile_prog "" "" ; then
+ st_atim=yes
+fi
+
##########################################
# check if trace backend exists
##########################################
# check for usable AF_ALG environment
-hava_afalg=no
+have_afalg=no
cat > $TMPC << EOF
#include <errno.h>
#include <sys/types.h>
hvf='no'
else
hvf='yes'
- LDFLAGS="-framework Hypervisor $LDFLAGS"
+ QEMU_LDFLAGS="-framework Hypervisor $QEMU_LDFLAGS"
fi
fi
fi
fi
+##########################################
+# checks for fuzzer
+if test "$fuzzing" = "yes" ; then
+ write_c_fuzzer_skeleton
+ if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address,fuzzer" ""; then
+ have_fuzzer=yes
+ fi
+fi
+
##########################################
# check for libpmem
##########################################
# check for slirp
+# slirp is only required when building softmmu targets
+if test -z "$slirp" -a "$softmmu" != "yes" ; then
+ slirp="no"
+fi
+
case "$slirp" in
"" | yes)
if $pkg_config slirp; then
write_c_skeleton
if test "$gcov" = "yes" ; then
- CFLAGS="-fprofile-arcs -ftest-coverage -g $CFLAGS"
- LDFLAGS="-fprofile-arcs -ftest-coverage $LDFLAGS"
+ 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
fi
if test "$have_asan" = "yes"; then
- CFLAGS="-fsanitize=address $CFLAGS"
+ QEMU_CFLAGS="-fsanitize=address $QEMU_CFLAGS"
+ QEMU_LDFLAGS="-fsanitize=address $QEMU_LDFLAGS"
if test "$have_asan_iface_h" = "no" ; then
echo "ASAN build enabled, but ASAN header missing." \
"Without code annotation, the report may be inferior."
fi
fi
if test "$have_ubsan" = "yes"; then
- CFLAGS="-fsanitize=undefined $CFLAGS"
+ QEMU_CFLAGS="-fsanitize=undefined $QEMU_CFLAGS"
+ QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
fi
##########################################
if test "$solaris" = "no" ; then
if $ld --version 2>/dev/null | grep "GNU ld" >/dev/null 2>/dev/null ; then
- LDFLAGS="-Wl,--warn-common $LDFLAGS"
+ QEMU_LDFLAGS="-Wl,--warn-common $QEMU_LDFLAGS"
fi
fi
if test "$mingw32" = "yes" ; then
for flag in --dynamicbase --no-seh --nxcompat; do
if ld_has $flag ; then
- LDFLAGS="-Wl,$flag $LDFLAGS"
+ QEMU_LDFLAGS="-Wl,$flag $QEMU_LDFLAGS"
fi
done
fi
if test "$want_tools" = "yes" ; then
tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
- tools="qemu-nbd\$(EXESUF) $tools"
+ tools="qemu-nbd\$(EXESUF) qemu-storage-daemon\$(EXESUF) $tools"
fi
if [ "$ivshmem" = "yes" ]; then
tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
update_cxxflags
- if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $LDFLAGS; then
+ if do_cxx $QEMU_CXXFLAGS -o $TMPE $TMPCXX $TMPO $QEMU_LDFLAGS; then
# C++ compiler $cxx works ok with C compiler $cc
:
else
echo "ARFLAGS $ARFLAGS"
echo "CFLAGS $CFLAGS"
echo "QEMU_CFLAGS $QEMU_CFLAGS"
-echo "LDFLAGS $LDFLAGS"
echo "QEMU_LDFLAGS $QEMU_LDFLAGS"
echo "make $make"
echo "install $install"
echo "python $python ($python_version)"
+if test "$docs" != "no"; then
+ echo "sphinx-build $sphinx_build"
+fi
+echo "genisoimage $genisoimage"
echo "slirp support $slirp $(echo_version $slirp $slirp_version)"
if test "$slirp" != "no" ; then
echo "smbd $smbd"
echo "vde support $vde"
echo "netmap support $netmap"
echo "Linux AIO support $linux_aio"
+echo "Linux io_uring support $linux_io_uring"
echo "ATTR/XATTR support $attr"
echo "Install blobs $blobs"
echo "KVM support $kvm"
echo "snappy support $snappy"
echo "bzip2 support $bzip2"
echo "lzfse support $lzfse"
+echo "zstd support $zstd"
echo "NUMA host support $numa"
echo "libxml2 $libxml2"
echo "tcmalloc support $tcmalloc"
echo "libudev $libudev"
echo "default devices $default_devices"
echo "plugin support $plugins"
+echo "fuzzing support $fuzzing"
if test "$supported_cpu" = "no"; then
echo
if test "$l2tpv3" = "yes" ; then
echo "CONFIG_L2TPV3=y" >> $config_host_mak
fi
+if test "$gprof" = "yes" ; then
+ echo "CONFIG_GPROF=y" >> $config_host_mak
+fi
if test "$cap_ng" = "yes" ; then
echo "CONFIG_LIBCAP_NG=y" >> $config_host_mak
fi
if test "$strchrnul" = "yes" ; then
echo "HAVE_STRCHRNUL=y" >> $config_host_mak
fi
+if test "$st_atim" = "yes" ; then
+ echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
+fi
if test "$byteswap_h" = "yes" ; then
echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
fi
if test "$linux_aio" = "yes" ; then
echo "CONFIG_LINUX_AIO=y" >> $config_host_mak
fi
+if test "$linux_io_uring" = "yes" ; then
+ echo "CONFIG_LINUX_IO_URING=y" >> $config_host_mak
+ echo "LINUX_IO_URING_CFLAGS=$linux_io_uring_cflags" >> $config_host_mak
+ echo "LINUX_IO_URING_LIBS=$linux_io_uring_libs" >> $config_host_mak
+fi
if test "$attr" = "yes" ; then
echo "CONFIG_ATTR=y" >> $config_host_mak
fi
echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
fi
+if test "$zstd" = "yes" ; then
+ echo "CONFIG_ZSTD=y" >> $config_host_mak
+fi
+
if test "$libiscsi" = "yes" ; then
echo "CONFIG_LIBISCSI=m" >> $config_host_mak
echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
if test "$sheepdog" = "yes" ; then
echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
fi
+if test "$fuzzing" = "yes" ; then
+ if test "$have_fuzzer" = "yes"; then
+ FUZZ_LDFLAGS=" -fsanitize=address,fuzzer"
+ FUZZ_CFLAGS=" -fsanitize=address,fuzzer"
+ CFLAGS=" -fsanitize=address,fuzzer-no-link"
+ else
+ error_exit "Your compiler doesn't support -fsanitize=address,fuzzer"
+ exit 1
+ fi
+fi
if test "$plugins" = "yes" ; then
echo "CONFIG_PLUGIN=y" >> $config_host_mak
echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
echo "PYTHON=$python" >> $config_host_mak
+echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
+echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
echo "CC=$cc" >> $config_host_mak
if $iasl -h > /dev/null 2>&1; then
echo "IASL=$iasl" >> $config_host_mak
echo "HOST_CC := REAL_CC=\"\$(HOST_CC)\" cgcc" >> $config_host_mak
echo "QEMU_CFLAGS += -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-non-pointer-null" >> $config_host_mak
fi
-echo "LDFLAGS=$LDFLAGS" >> $config_host_mak
-echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
+echo "LDFLAGS_NOPIE=$LDFLAGS_NOPIE" >> $config_host_mak
echo "LD_REL_FLAGS=$LD_REL_FLAGS" >> $config_host_mak
echo "LD_I386_EMULATION=$ld_i386_emulation" >> $config_host_mak
echo "LIBS+=$LIBS" >> $config_host_mak
echo "CONFIG_LIBUDEV=y" >> $config_host_mak
echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
fi
+if test "$fuzzing" != "no"; then
+ echo "CONFIG_FUZZ=y" >> $config_host_mak
+ echo "FUZZ_CFLAGS=$FUZZ_CFLAGS" >> $config_host_mak
+ echo "FUZZ_LDFLAGS=$FUZZ_LDFLAGS" >> $config_host_mak
+fi
if test "$edk2_blobs" = "yes" ; then
echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
TARGET_BASE_ARCH=riscv
TARGET_ABI_DIR=riscv
mttcg=yes
- gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
+ gdb_xml_files="riscv-32bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-32bit-csr.xml riscv-32bit-virtual.xml"
;;
riscv64)
TARGET_BASE_ARCH=riscv
TARGET_ABI_DIR=riscv
mttcg=yes
- gdb_xml_files="riscv-64bit-cpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
+ gdb_xml_files="riscv-64bit-cpu.xml riscv-32bit-fpu.xml riscv-64bit-fpu.xml riscv-64bit-csr.xml riscv-64bit-virtual.xml"
;;
sh4|sh4eb)
TARGET_ARCH=sh4
fi
-# generate QEMU_CFLAGS/LDFLAGS for targets
+# generate QEMU_CFLAGS/QEMU_LDFLAGS for targets
cflags=""
ldflags=""
esac
if test "$gprof" = "yes" ; then
- echo "TARGET_GPROF=y" >> $config_target_mak
if test "$target_linux_user" = "yes" ; then
cflags="-p $cflags"
ldflags="-p $ldflags"
fi
fi
-echo "LDFLAGS+=$ldflags" >> $config_target_mak
+echo "QEMU_LDFLAGS+=$ldflags" >> $config_target_mak
echo "QEMU_CFLAGS+=$cflags" >> $config_target_mak
done # for target in $targets
projects / qemu.git / blobdiff