fi
fi
- mkdir build
- touch $MARKER
+ if ! mkdir build || ! touch $MARKER
+ then
+ echo "ERROR: Could not create ./build directory. Check the permissions on"
+ echo "your source directory, or try doing an out-of-tree build."
+ exit 1
+ fi
cat > GNUmakefile <<'EOF'
# This file is auto-generated by configure to support in-source tree
# Print a helpful header at the top of config.log
echo "# QEMU configure log $(date)" >> config.log
printf "# Configured with:" >> config.log
-printf " '%s'" "$0" "$@" >> config.log
-echo >> config.log
-echo "#" >> config.log
+# repeat the invocation to log and stdout for CI
+invoke=$(printf " '%s'" "$0" "$@")
+test -n "$GITLAB_CI" && echo "configuring with: $invoke"
+{ echo "$invoke"; echo; echo "#"; } >> config.log
quote_sh() {
printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
done
}
-glob() {
- eval test -z '"${1#'"$2"'}"'
-}
-
if printf %s\\n "$source_path" "$PWD" | grep -q "[[:space:]:]";
then
error_exit "main directory cannot contain spaces nor colons"
safe_stack=""
use_containers="yes"
gdb_bin=$(command -v "gdb-multiarch" || command -v "gdb")
+gdb_arches=""
if test -e "$source_path/.git"
then
;;
esac
done
-# OS specific
-# Using uname is really, really broken. Once we have the right set of checks
-# we can eliminate its usage altogether.
# Preferred compiler:
# ${CC} (if set)
# 2s-complement style results. (Both clang and gcc agree that it
# provides these semantics.)
QEMU_CFLAGS="-fno-strict-aliasing -fno-common -fwrapv"
-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_LDFLAGS=
QEMU_CFLAGS="-D_XOPEN_SOURCE=600 $QEMU_CFLAGS"
# needed for TIOCWIN* defines in termios.h
QEMU_CFLAGS="-D__EXTENSIONS__ $QEMU_CFLAGS"
- # $(uname -m) returns i86pc even on an x86_64 box, so default based on isainfo
- # Note that this check is broken for cross-compilation: if you're
- # cross-compiling to one of these OSes then you'll need to specify
- # the correct CPU with the --cpu option.
- if test -z "$cpu" && test "$(isainfo -k)" = "amd64"; then
- cpu="x86_64"
- fi
;;
haiku)
pie="no"
elif check_define __loongarch64 ; then
cpu="loongarch64"
else
+ # Using uname is really broken, but it is just a fallback for architectures
+ # that are going to use TCI anyway
cpu=$(uname -m)
+ echo "WARNING: unrecognized host CPU, proceeding with 'uname -m' output '$cpu'"
fi
-# Normalise host CPU name, set multilib cflags
+# Normalise host CPU name and set multilib cflags. The canonicalization
+# isn't really necessary, because the architectures that we check for
+# should not hit the 'uname -m' case, but better safe than sorry.
# Note that this case should only have supported host CPUs, not guests.
case "$cpu" in
armv*b|armv*l|arm)
cpu="arm" ;;
- i386|i486|i586|i686|i86pc|BePC)
+ i386|i486|i586|i686)
cpu="i386"
CPU_CFLAGS="-m32" ;;
x32)
: ${make=${MAKE-make}}
-# We prefer python 3.x. A bare 'python' is traditionally
-# python 2.x, but some distros have it as python 3.x, so
-# we check that too
+
+check_py_version() {
+ # We require python >= 3.6.
+ # NB: a True python conditional creates a non-zero return code (Failure)
+ "$1" -c 'import sys; sys.exit(sys.version_info < (3,6))'
+}
+
python=
-explicit_python=no
-for binary in "${PYTHON-python3}" python
-do
- if has "$binary"
- then
- python=$(command -v "$binary")
- break
+first_python=
+if test -z "${PYTHON}"; then
+ explicit_python=no
+ # A bare 'python' is traditionally python 2.x, but some distros
+ # have it as python 3.x, so check in both places.
+ for binary in python3 python python3.11 python3.10 python3.9 python3.8 python3.7 python3.6; do
+ if has "$binary"; then
+ python=$(command -v "$binary")
+ if check_py_version "$python"; then
+ # This one is good.
+ first_python=
+ break
+ else
+ first_python=$python
+ fi
+ fi
+ done
+else
+ # Same as above, but only check the environment variable.
+ has "${PYTHON}" || error_exit "The PYTHON environment variable does not point to an executable"
+ python=$(command -v "$PYTHON")
+ explicit_python=yes
+ if check_py_version "$python"; then
+ # This one is good.
+ first_python=
+ else
+ first_python=$first_python
fi
-done
-
+fi
# Check for ancillary tools used in testing
genisoimage=
EXESUF=".exe"
# MinGW needs -mthreads for TLS and macro _MT.
CONFIGURE_CFLAGS="-mthreads $CONFIGURE_CFLAGS"
- write_c_skeleton;
prefix="/qemu"
bindir=""
qemu_suffix=""
;;
--with-coroutine=*) coroutine="$optarg"
;;
- --disable-zlib-test)
- ;;
- --disable-virtio-blk-data-plane|--enable-virtio-blk-data-plane)
- echo "$0: $opt is obsolete, virtio-blk data-plane is always on" >&2
- ;;
- --enable-vhdx|--disable-vhdx)
- echo "$0: $opt is obsolete, VHDX driver is always built" >&2
- ;;
- --enable-uuid|--disable-uuid)
- echo "$0: $opt is obsolete, UUID support is always built" >&2
- ;;
--with-git=*) git="$optarg"
;;
--with-git-submodules=*)
;;
--gdb=*) gdb_bin="$optarg"
;;
- # backwards compatibility options
- --enable-trace-backend=*) meson_option_parse "--enable-trace-backends=$optarg" "$optarg"
- ;;
- --disable-blobs) meson_option_parse --disable-install-blobs ""
- ;;
--enable-vfio-user-server) vfio_user_server="enabled"
;;
--disable-vfio-user-server) vfio_user_server="disabled"
;;
- --enable-tcmalloc) meson_option_parse --enable-malloc=tcmalloc tcmalloc
- ;;
- --enable-jemalloc) meson_option_parse --enable-malloc=jemalloc jemalloc
- ;;
# everything else has the same name in configure and meson
--*) meson_option_parse "$opt" "$optarg"
;;
debug-tcg TCG debugging (default is disabled)
debug-info debugging information
safe-stack SafeStack Stack Smash Protection. Depends on
- clang/llvm >= 3.7 and requires coroutine backend ucontext.
+ clang/llvm and requires coroutine backend ucontext.
NOTE: The object files are built at the place where configure is launched
EOF
if test -z "$python"
then
- error_exit "Python not found. Use --python=/path/to/python"
+ # If first_python is set, there was a binary somewhere even though
+ # it was not suitable. Use it for the error message.
+ if test -n "$first_python"; then
+ error_exit "Cannot use '$first_python', Python >= 3.6 is required." \
+ "Use --python=/path/to/python to specify a supported Python."
+ else
+ error_exit "Python not found. Use --python=/path/to/python"
+ fi
fi
+
if ! has "$make"
then
error_exit "GNU make ($make) not found"
fi
-# Note that if the Python conditional here evaluates True we will exit
-# with status 1 which is a shell 'false' value.
-if ! $python -c 'import sys; sys.exit(sys.version_info < (3,6))'; then
+if ! check_py_version "$python"; then
error_exit "Cannot use '$python', Python >= 3.6 is required." \
"Use --python=/path/to/python to specify a supported Python."
fi
-# Suppress writing compiled files
-python="$python -B"
+# Resolve PATH + suppress writing compiled files
+python="$(command -v "$python") -B"
+
+has_meson() {
+ local python_dir=$(dirname "$python")
+ # PEP405: pyvenv.cfg is either adjacent to the Python executable
+ # or one directory above
+ if test -f $python_dir/pyvenv.cfg || test -f $python_dir/../pyvenv.cfg; then
+ # Ensure that Meson and Python come from the same virtual environment
+ test -x "$python_dir/meson" &&
+ test "$(command -v meson)" -ef "$python_dir/meson"
+ else
+ has meson
+ fi
+}
if test -z "$meson"; then
- if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.61.5; then
+ if test "$explicit_python" = no && has_meson && version_ge "$(meson --version)" 0.61.5; then
meson=meson
elif test "$git_submodules_action" != 'ignore' ; then
meson=git
cat > $TMPC << EOF
#if defined(__clang_major__) && defined(__clang_minor__)
# ifdef __apple_build_version__
-# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
-# error You need at least XCode Clang v10.0 to compile QEMU
+# if __clang_major__ < 12 || (__clang_major__ == 12 && __clang_minor__ < 0)
+# error You need at least XCode Clang v12.0 to compile QEMU
# endif
# else
-# if __clang_major__ < 6 || (__clang_major__ == 6 && __clang_minor__ < 0)
-# error You need at least Clang v6.0 to compile QEMU
+# if __clang_major__ < 10 || (__clang_major__ == 10 && __clang_minor__ < 0)
+# error You need at least Clang v10.0 to compile QEMU
# endif
# endif
#elif defined(__GNUC__) && defined(__GNUC_MINOR__)
int main (void) { return 0; }
EOF
if ! compile_prog "" "" ; then
- error_exit "You need at least GCC v7.4 or Clang v6.0 (or XCode Clang v10.0)"
+ error_exit "You need at least GCC v7.4 or Clang v10.0 (or XCode Clang v12.0)"
fi
# Accumulate -Wfoo and -Wno-bar separately.
# just silently disable some features, so it's too error prone.
warn_flags=
+add_to warn_flags -Wundef
+add_to warn_flags -Wwrite-strings
+add_to warn_flags -Wmissing-prototypes
+add_to warn_flags -Wstrict-prototypes
+add_to warn_flags -Wredundant-decls
add_to warn_flags -Wold-style-declaration
add_to warn_flags -Wold-style-definition
add_to warn_flags -Wtype-limits
add_to warn_flags -Wendif-labels
add_to warn_flags -Wexpansion-to-defined
add_to warn_flags -Wimplicit-fallthrough=2
+add_to warn_flags -Wmissing-format-attribute
+
+if test "$targetos" != "darwin"; then
+ add_to warn_flags -Wthread-safety
+fi
nowarn_flags=
add_to nowarn_flags -Wno-initializer-overrides
fi
fi
-# Disable -Wmissing-braces on older compilers that warn even for
-# the "universal" C zero initializer {0}.
-cat > $TMPC << EOF
-struct {
- int a[2];
-} x = {0};
-EOF
-if compile_object "-Werror" "" ; then
- :
-else
- QEMU_CFLAGS="$QEMU_CFLAGS -Wno-missing-braces"
-fi
-
# Our module code doesn't support Windows
if test "$modules" = "yes" && test "$mingw32" = "yes" ; then
error_exit "Modules are not available for Windows"
error_exit "-static-pie not available due to missing toolchain support"
else
pie="no"
- QEMU_CFLAGS="-fno-pie -no-pie $QEMU_CFLAGS"
+ QEMU_CFLAGS="-fno-pie $QEMU_CFLAGS"
fi
elif test "$pie" = "no"; then
if compile_prog "-Werror -fno-pie" "-no-pie"; then
# functions to probe cross compilers
container="no"
+runc=""
if test $use_containers = "yes" && (has "docker" || has "podman"); then
case $($python "$source_path"/tests/docker/docker.py probe) in
*docker) container=docker ;;
esac
if test "$container" != "no"; then
docker_py="$python $source_path/tests/docker/docker.py --engine $container"
+ runc=$($python "$source_path"/tests/docker/docker.py probe)
fi
fi
# We shall skip configuring the target compiler if the user didn't
# bother enabling an appropriate guest. This avoids building
# extraneous firmware images and tests.
- if test "${target_list#*$1}" != "$1"; then
- break;
- else
+ if test "${target_list#*$1}" = "$1"; then
return 1
fi
QEMU_LDFLAGS="-fsanitize=undefined $QEMU_LDFLAGS"
fi
-##########################################
-# Guest agent Windows MSI package
-
-if test "$QEMU_GA_MANUFACTURER" = ""; then
- QEMU_GA_MANUFACTURER=QEMU
-fi
-if test "$QEMU_GA_DISTRO" = ""; then
- QEMU_GA_DISTRO=Linux
-fi
-if test "$QEMU_GA_VERSION" = ""; then
- QEMU_GA_VERSION=$(cat "$source_path"/VERSION)
-fi
-
-
#######################################
# cross-compiled firmware targets
# tests might fail. Prefer to keep the relevant files in their own
# directory and symlink the directory instead.
LINKS="Makefile"
+LINKS="$LINKS docs/config"
LINKS="$LINKS pc-bios/optionrom/Makefile"
LINKS="$LINKS pc-bios/s390-ccw/Makefile"
LINKS="$LINKS pc-bios/vof/Makefile"
fi
if test "$mingw32" = "yes" ; then
echo "CONFIG_WIN32=y" >> $config_host_mak
- echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER}" >> $config_host_mak
- echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO}" >> $config_host_mak
- echo "QEMU_GA_VERSION=${QEMU_GA_VERSION}" >> $config_host_mak
+ echo "QEMU_GA_MANUFACTURER=${QEMU_GA_MANUFACTURER-QEMU}" >> $config_host_mak
+ echo "QEMU_GA_DISTRO=${QEMU_GA_DISTRO-Linux}" >> $config_host_mak
+ echo "QEMU_GA_VERSION=${QEMU_GA_VERSION-$(cat "$source_path"/VERSION)}" >> $config_host_mak
else
echo "CONFIG_POSIX=y" >> $config_host_mak
fi
gdb_version=$($gdb_bin --version | head -n 1)
if version_ge ${gdb_version##* } 9.1; then
echo "HAVE_GDB_BIN=$gdb_bin" >> $config_host_mak
+ gdb_arches=$("$source_path/scripts/probe-gdb-support.py" $gdb_bin)
else
gdb_bin=""
fi
if test "$container" != no; then
echo "ENGINE=$container" >> $config_host_mak
+ echo "RUNC=$runc" >> $config_host_mak
fi
echo "ROMS=$roms" >> $config_host_mak
echo "MAKE=$make" >> $config_host_mak
echo "GLIB_CFLAGS=$glib_cflags" >> $config_host_mak
echo "GLIB_LIBS=$glib_libs" >> $config_host_mak
echo "GLIB_BINDIR=$glib_bindir" >> $config_host_mak
-echo "GLIB_VERSION=$(pkg-config --modversion glib-2.0)" >> $config_host_mak
+echo "GLIB_VERSION=$($pkg_config --modversion glib-2.0)" >> $config_host_mak
echo "QEMU_LDFLAGS=$QEMU_LDFLAGS" >> $config_host_mak
echo "EXESUF=$EXESUF" >> $config_host_mak
write_target_makefile "build-tcg-tests-$target" >> "$config_target_mak"
echo "BUILD_STATIC=$build_static" >> "$config_target_mak"
echo "QEMU=$PWD/$qemu" >> "$config_target_mak"
+
+ # will GDB work with these binaries?
+ if test "${gdb_arches#*$arch}" != "$gdb_arches"; then
+ echo "HOST_GDB_SUPPORTS_ARCH=y" >> "$config_target_mak"
+ fi
+
echo "run-tcg-tests-$target: $qemu\$(EXESUF)" >> Makefile.prereqs
tcg_tests_targets="$tcg_tests_targets $target"
fi
done
-echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak)
+
+if test "$tcg" = "enabled"; then
+ echo "TCG_TESTS_TARGETS=$tcg_tests_targets" >> config-host.mak
+fi
+)
if test "$skip_meson" = no; then
cross="config-meson.cross.new"
if test "$?" -ne 0 ; then
error_exit "meson setup failed"
fi
-else
- if test -f meson-private/cmd_line.txt; then
- # Adjust old command line options whose type was changed
- # Avoids having to use "setup --wipe" when Meson is upgraded
- perl -i -ne '
- s/^gettext = true$/gettext = auto/;
- s/^gettext = false$/gettext = disabled/;
- /^b_staticpic/ && next;
- print;' meson-private/cmd_line.txt
- fi
fi
# Save the configure command line for later reuse.
preserve_env PKG_CONFIG_LIBDIR
preserve_env PKG_CONFIG_PATH
preserve_env PYTHON
+preserve_env QEMU_GA_MANUFACTURER
+preserve_env QEMU_GA_DISTRO
+preserve_env QEMU_GA_VERSION
preserve_env SDL2_CONFIG
preserve_env SMBD
preserve_env STRIP