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Diffstat (limited to 'meta/classes-recipe/meson.bbclass')
| -rw-r--r-- | meta/classes-recipe/meson.bbclass | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/meta/classes-recipe/meson.bbclass b/meta/classes-recipe/meson.bbclass new file mode 100644 index 0000000000..03fa2c06eb --- /dev/null +++ b/meta/classes-recipe/meson.bbclass @@ -0,0 +1,181 @@ +# +# Copyright OpenEmbedded Contributors +# +# SPDX-License-Identifier: MIT +# + +inherit python3native meson-routines qemu + +DEPENDS:append = " meson-native ninja-native" + +EXEWRAPPER_ENABLED:class-native = "False" +EXEWRAPPER_ENABLED:class-nativesdk = "False" +EXEWRAPPER_ENABLED ?= "${@bb.utils.contains('MACHINE_FEATURES', 'qemu-usermode', 'True', 'False', d)}" +DEPENDS:append = "${@' qemu-native' if d.getVar('EXEWRAPPER_ENABLED') == 'True' else ''}" + +# As Meson enforces out-of-tree builds we can just use cleandirs +B = "${WORKDIR}/build" +do_configure[cleandirs] = "${B}" + +# Where the meson.build build configuration is +MESON_SOURCEPATH = "${S}" + +# The target to build in do_compile. If unset the default targets are built. +MESON_TARGET ?= "" + +def noprefix(var, d): + return d.getVar(var).replace(d.getVar('prefix') + '/', '', 1) + +MESON_BUILDTYPE ?= "${@oe.utils.vartrue('DEBUG_BUILD', 'debug', 'plain', d)}" +MESON_BUILDTYPE[vardeps] += "DEBUG_BUILD" +MESONOPTS = " --prefix ${prefix} \ + --buildtype ${MESON_BUILDTYPE} \ + --bindir ${@noprefix('bindir', d)} \ + --sbindir ${@noprefix('sbindir', d)} \ + --datadir ${@noprefix('datadir', d)} \ + --libdir ${@noprefix('libdir', d)} \ + --libexecdir ${@noprefix('libexecdir', d)} \ + --includedir ${@noprefix('includedir', d)} \ + --mandir ${@noprefix('mandir', d)} \ + --infodir ${@noprefix('infodir', d)} \ + --sysconfdir ${sysconfdir} \ + --localstatedir ${localstatedir} \ + --sharedstatedir ${sharedstatedir} \ + --wrap-mode nodownload \ + --native-file ${WORKDIR}/meson.native" + +EXTRA_OEMESON:append = " ${PACKAGECONFIG_CONFARGS}" + +MESON_CROSS_FILE = "" +MESON_CROSS_FILE:class-target = "--cross-file ${WORKDIR}/meson.cross" +MESON_CROSS_FILE:class-nativesdk = "--cross-file ${WORKDIR}/meson.cross" + +# Needed to set up qemu wrapper below +export STAGING_DIR_HOST + +def rust_tool(d, target_var): + rustc = d.getVar('RUSTC') + if not rustc: + return "" + cmd = [rustc, "--target", d.getVar(target_var)] + d.getVar("RUSTFLAGS").split() + return "rust = %s" % repr(cmd) + +addtask write_config before do_configure +do_write_config[vardeps] += "CC CXX AR NM STRIP READELF OBJCOPY CFLAGS CXXFLAGS LDFLAGS RUSTC RUSTFLAGS EXEWRAPPER_ENABLED" +do_write_config() { + # This needs to be Py to split the args into single-element lists + cat >${WORKDIR}/meson.cross <<EOF +[binaries] +c = ${@meson_array('CC', d)} +cpp = ${@meson_array('CXX', d)} +cython = 'cython3' +ar = ${@meson_array('AR', d)} +nm = ${@meson_array('NM', d)} +strip = ${@meson_array('STRIP', d)} +readelf = ${@meson_array('READELF', d)} +objcopy = ${@meson_array('OBJCOPY', d)} +pkg-config = 'pkg-config' +llvm-config = 'llvm-config' +cups-config = 'cups-config' +g-ir-scanner = '${STAGING_BINDIR}/g-ir-scanner-wrapper' +g-ir-compiler = '${STAGING_BINDIR}/g-ir-compiler-wrapper' +${@rust_tool(d, "RUST_HOST_SYS")} +${@"exe_wrapper = '${WORKDIR}/meson-qemuwrapper'" if d.getVar('EXEWRAPPER_ENABLED') == 'True' else ""} + +[built-in options] +c_args = ${@meson_array('CFLAGS', d)} +c_link_args = ${@meson_array('LDFLAGS', d)} +cpp_args = ${@meson_array('CXXFLAGS', d)} +cpp_link_args = ${@meson_array('LDFLAGS', d)} + +[properties] +needs_exe_wrapper = true +sys_root = '${STAGING_DIR_HOST}' + +[host_machine] +system = '${@meson_operating_system('HOST_OS', d)}' +cpu_family = '${@meson_cpu_family('HOST_ARCH', d)}' +cpu = '${HOST_ARCH}' +endian = '${@meson_endian('HOST', d)}' + +[target_machine] +system = '${@meson_operating_system('TARGET_OS', d)}' +cpu_family = '${@meson_cpu_family('TARGET_ARCH', d)}' +cpu = '${TARGET_ARCH}' +endian = '${@meson_endian('TARGET', d)}' +EOF + + cat >${WORKDIR}/meson.native <<EOF +[binaries] +c = ${@meson_array('BUILD_CC', d)} +cpp = ${@meson_array('BUILD_CXX', d)} +cython = 'cython3' +ar = ${@meson_array('BUILD_AR', d)} +nm = ${@meson_array('BUILD_NM', d)} +strip = ${@meson_array('BUILD_STRIP', d)} +readelf = ${@meson_array('BUILD_READELF', d)} +objcopy = ${@meson_array('BUILD_OBJCOPY', d)} +llvm-config = '${STAGING_BINDIR_NATIVE}/llvm-config' +pkg-config = 'pkg-config-native' +${@rust_tool(d, "RUST_BUILD_SYS")} + +[built-in options] +c_args = ${@meson_array('BUILD_CFLAGS', d)} +c_link_args = ${@meson_array('BUILD_LDFLAGS', d)} +cpp_args = ${@meson_array('BUILD_CXXFLAGS', d)} +cpp_link_args = ${@meson_array('BUILD_LDFLAGS', d)} +EOF +} + +do_write_config:append:class-target() { + # Write out a qemu wrapper that will be used as exe_wrapper so that meson + # can run target helper binaries through that. + qemu_binary="${@qemu_wrapper_cmdline(d, '$STAGING_DIR_HOST', ['$STAGING_DIR_HOST/${libdir}','$STAGING_DIR_HOST/${base_libdir}'])}" + cat > ${WORKDIR}/meson-qemuwrapper << EOF +#!/bin/sh +# Use a modules directory which doesn't exist so we don't load random things +# which may then get deleted (or their dependencies) and potentially segfault +export GIO_MODULE_DIR=${STAGING_LIBDIR}/gio/modules-dummy + +# meson sets this wrongly (only to libs in build-dir), qemu_wrapper_cmdline() and GIR_EXTRA_LIBS_PATH take care of it properly +unset LD_LIBRARY_PATH + +$qemu_binary "\$@" +EOF + chmod +x ${WORKDIR}/meson-qemuwrapper +} + +# Tell externalsrc that changes to this file require a reconfigure +CONFIGURE_FILES = "meson.build" + +meson_do_configure() { + # Meson requires this to be 'bfd, 'lld' or 'gold' from 0.53 onwards + # https://github.com/mesonbuild/meson/commit/ef9aeb188ea2bc7353e59916c18901cde90fa2b3 + unset LD + + bbnote Executing meson ${EXTRA_OEMESON}... + if ! meson setup ${MESONOPTS} "${MESON_SOURCEPATH}" "${B}" ${MESON_CROSS_FILE} ${EXTRA_OEMESON}; then + bbfatal_log meson failed + fi +} + +python meson_do_qa_configure() { + import re + warn_re = re.compile(r"^WARNING: Cross property (.+) is using default value (.+)$", re.MULTILINE) + with open(d.expand("${B}/meson-logs/meson-log.txt")) as logfile: + log = logfile.read() + for (prop, value) in warn_re.findall(log): + bb.warn("Meson cross property %s used without explicit assignment, defaulting to %s" % (prop, value)) +} +do_configure[postfuncs] += "meson_do_qa_configure" + +do_compile[progress] = "outof:^\[(\d+)/(\d+)\]\s+" +meson_do_compile() { + meson compile -v ${PARALLEL_MAKE} ${MESON_TARGET} +} + +meson_do_install() { + meson install --destdir ${D} --no-rebuild +} + +EXPORT_FUNCTIONS do_configure do_compile do_install |