1 files changed, 390 insertions, 0 deletions

diff --git a/meta/classes-recipe/libc-package.bbclass b/meta/classes-recipe/libc-package.bbclass
new file mode 100644
index 0000000000..de3d4223a8
--- /dev/null
+++ b/meta/classes-recipe/libc-package.bbclass
@@ -0,0 +1,390 @@
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
+#
+# This class knows how to package up [e]glibc. Its shared since prebuild binary toolchains
+# may need packaging and its pointless to duplicate this code.
+#
+# Caller should set GLIBC_INTERNAL_USE_BINARY_LOCALE to one of:
+#  "compile" - Use QEMU to generate the binary locale files
+#  "precompiled" - The binary locale files are pregenerated and already present
+#  "ondevice" - The device will build the locale files upon first boot through the postinst
+
+GLIBC_INTERNAL_USE_BINARY_LOCALE ?= "ondevice"
+
+GLIBC_SPLIT_LC_PACKAGES ?= "0"
+
+python __anonymous () {
+    enabled = d.getVar("ENABLE_BINARY_LOCALE_GENERATION")
+
+    pn = d.getVar("PN")
+    if pn.endswith("-initial"):
+        enabled = False
+
+    if enabled and int(enabled):
+        import re
+
+        target_arch = d.getVar("TARGET_ARCH")
+        binary_arches = d.getVar("BINARY_LOCALE_ARCHES") or ""
+        use_cross_localedef = d.getVar("LOCALE_GENERATION_WITH_CROSS-LOCALEDEF") or ""
+
+        for regexp in binary_arches.split(" "):
+            r = re.compile(regexp)
+
+            if r.match(target_arch):
+                depends = d.getVar("DEPENDS")
+                if use_cross_localedef == "1" :
+                    depends = "%s cross-localedef-native" % depends
+                else:
+                    depends = "%s qemu-native" % depends
+                d.setVar("DEPENDS", depends)
+                d.setVar("GLIBC_INTERNAL_USE_BINARY_LOCALE", "compile")
+                break
+}
+
+# try to fix disable charsets/locales/locale-code compile fail
+PACKAGE_NO_GCONV ?= "0"
+
+OVERRIDES:append = ":${TARGET_ARCH}-${TARGET_OS}"
+
+locale_base_postinst_ontarget() {
+localedef --inputfile=${datadir}/i18n/locales/%s --charmap=%s %s
+}
+
+locale_base_postrm() {
+#!/bin/sh
+localedef --delete-from-archive --inputfile=${datadir}/locales/%s --charmap=%s %s
+}
+
+LOCALETREESRC ?= "${PKGD}"
+
+do_prep_locale_tree() {
+        treedir=${WORKDIR}/locale-tree
+        rm -rf $treedir
+        mkdir -p $treedir/${base_bindir} $treedir/${base_libdir} $treedir/${datadir} $treedir/${localedir}
+        tar -cf - -C ${LOCALETREESRC}${datadir} -p i18n | tar -xf - -C $treedir/${datadir}
+        # unzip to avoid parsing errors
+        for i in $treedir/${datadir}/i18n/charmaps/*gz; do 
+                gunzip $i
+        done
+        # The extract pattern "./l*.so*" is carefully selected so that it will
+        # match ld*.so and lib*.so*, but not any files in the gconv directory
+        # (if it exists). This makes sure we only unpack the files we need.
+        # This is important in case usrmerge is set in DISTRO_FEATURES, which
+        # means ${base_libdir} == ${libdir}.
+        tar -cf - -C ${LOCALETREESRC}${base_libdir} -p . | tar -xf - -C $treedir/${base_libdir} --wildcards './l*.so*'
+        if [ -f ${STAGING_LIBDIR_NATIVE}/libgcc_s.* ]; then
+                tar -cf - -C ${STAGING_LIBDIR_NATIVE} -p libgcc_s.* | tar -xf - -C $treedir/${base_libdir}
+        fi
+        install -m 0755 ${LOCALETREESRC}${bindir}/localedef $treedir/${base_bindir}
+}
+
+do_collect_bins_from_locale_tree() {
+        treedir=${WORKDIR}/locale-tree
+
+        parent=$(dirname ${localedir})
+        mkdir -p ${PKGD}/$parent
+        tar -cf - -C $treedir/$parent -p $(basename ${localedir}) | tar -xf - -C ${PKGD}$parent
+
+        # Finalize tree by chaning all duplicate files into hard links
+        cross-localedef-hardlink -c -v ${WORKDIR}/locale-tree
+}
+
+inherit qemu
+
+python package_do_split_gconvs () {
+    import re
+    if (d.getVar('PACKAGE_NO_GCONV') == '1'):
+        bb.note("package requested not splitting gconvs")
+        return
+
+    if not d.getVar('PACKAGES'):
+        return
+
+    mlprefix = d.getVar("MLPREFIX") or ""
+
+    bpn = d.getVar('BPN')
+    libdir = d.getVar('libdir')
+    if not libdir:
+        bb.error("libdir not defined")
+        return
+    datadir = d.getVar('datadir')
+    if not datadir:
+        bb.error("datadir not defined")
+        return
+
+    gconv_libdir = oe.path.join(libdir, "gconv")
+    charmap_dir = oe.path.join(datadir, "i18n", "charmaps")
+    locales_dir = oe.path.join(datadir, "i18n", "locales")
+    binary_locales_dir = d.getVar('localedir')
+
+    def calc_gconv_deps(fn, pkg, file_regex, output_pattern, group):
+        deps = []
+        f = open(fn, "rb")
+        c_re = re.compile(r'^copy "(.*)"')
+        i_re = re.compile(r'^include "(\w+)".*')
+        for l in f.readlines():
+            l = l.decode("latin-1")
+            m = c_re.match(l) or i_re.match(l)
+            if m:
+                dp = legitimize_package_name('%s%s-gconv-%s' % (mlprefix, bpn, m.group(1)))
+                if not dp in deps:
+                    deps.append(dp)
+        f.close()
+        if deps != []:
+            d.setVar('RDEPENDS:%s' % pkg, " ".join(deps))
+        if bpn != 'glibc':
+            d.setVar('RPROVIDES:%s' % pkg, pkg.replace(bpn, 'glibc'))
+
+    do_split_packages(d, gconv_libdir, file_regex=r'^(.*)\.so$', output_pattern=bpn+'-gconv-%s', \
+        description='gconv module for character set %s', hook=calc_gconv_deps, \
+        extra_depends=bpn+'-gconv')
+
+    def calc_charmap_deps(fn, pkg, file_regex, output_pattern, group):
+        deps = []
+        f = open(fn, "rb")
+        c_re = re.compile(r'^copy "(.*)"')
+        i_re = re.compile(r'^include "(\w+)".*')
+        for l in f.readlines():
+            l = l.decode("latin-1")
+            m = c_re.match(l) or i_re.match(l)
+            if m:
+                dp = legitimize_package_name('%s%s-charmap-%s' % (mlprefix, bpn, m.group(1)))
+                if not dp in deps:
+                    deps.append(dp)
+        f.close()
+        if deps != []:
+            d.setVar('RDEPENDS:%s' % pkg, " ".join(deps))
+        if bpn != 'glibc':
+            d.setVar('RPROVIDES:%s' % pkg, pkg.replace(bpn, 'glibc'))
+
+    do_split_packages(d, charmap_dir, file_regex=r'^(.*)\.gz$', output_pattern=bpn+'-charmap-%s', \
+        description='character map for %s encoding', hook=calc_charmap_deps, extra_depends='')
+
+    def calc_locale_deps(fn, pkg, file_regex, output_pattern, group):
+        deps = []
+        f = open(fn, "rb")
+        c_re = re.compile(r'^copy "(.*)"')
+        i_re = re.compile(r'^include "(\w+)".*')
+        for l in f.readlines():
+            l = l.decode("latin-1")
+            m = c_re.match(l) or i_re.match(l)
+            if m:
+                dp = legitimize_package_name(mlprefix+bpn+'-localedata-%s' % m.group(1))
+                if not dp in deps:
+                    deps.append(dp)
+        f.close()
+        if deps != []:
+            d.setVar('RDEPENDS:%s' % pkg, " ".join(deps))
+        if bpn != 'glibc':
+            d.setVar('RPROVIDES:%s' % pkg, pkg.replace(bpn, 'glibc'))
+
+    do_split_packages(d, locales_dir, file_regex=r'(.*)', output_pattern=bpn+'-localedata-%s', \
+        description='locale definition for %s', hook=calc_locale_deps, extra_depends='')
+    d.setVar('PACKAGES', d.getVar('PACKAGES', False) + ' ' + d.getVar('MLPREFIX', False) + bpn + '-gconv')
+
+    use_bin = d.getVar("GLIBC_INTERNAL_USE_BINARY_LOCALE")
+
+    dot_re = re.compile(r"(.*)\.(.*)")
+
+    # Read in supported locales and associated encodings
+    supported = {}
+    with open(oe.path.join(d.getVar('WORKDIR'), "SUPPORTED")) as f:
+        for line in f.readlines():
+            try:
+                locale, charset = line.rstrip().split()
+            except ValueError:
+                continue
+            supported[locale] = charset
+
+    # GLIBC_GENERATE_LOCALES var specifies which locales to be generated. empty or "all" means all locales
+    to_generate = d.getVar('GLIBC_GENERATE_LOCALES')
+    if not to_generate or to_generate == 'all':
+        to_generate = sorted(supported.keys())
+    else:
+        to_generate = to_generate.split()
+        for locale in to_generate:
+            if locale not in supported:
+                if '.' in locale:
+                    charset = locale.split('.')[1]
+                else:
+                    charset = 'UTF-8'
+                    bb.warn("Unsupported locale '%s', assuming encoding '%s'" % (locale, charset))
+                supported[locale] = charset
+
+    def output_locale_source(name, pkgname, locale, encoding):
+        d.setVar('RDEPENDS:%s' % pkgname, '%slocaledef %s-localedata-%s %s-charmap-%s' % \
+        (mlprefix, mlprefix+bpn, legitimize_package_name(locale), mlprefix+bpn, legitimize_package_name(encoding)))
+        d.setVar('pkg_postinst_ontarget:%s' % pkgname, d.getVar('locale_base_postinst_ontarget') \
+        % (locale, encoding, locale))
+        d.setVar('pkg_postrm:%s' % pkgname, d.getVar('locale_base_postrm') % \
+        (locale, encoding, locale))
+
+    def output_locale_binary_rdepends(name, pkgname, locale, encoding):
+        dep = legitimize_package_name('%s-binary-localedata-%s' % (bpn, name))
+        lcsplit = d.getVar('GLIBC_SPLIT_LC_PACKAGES')
+        if lcsplit and int(lcsplit):
+            d.appendVar('PACKAGES', ' ' + dep)
+            d.setVar('ALLOW_EMPTY:%s' % dep, '1')
+        d.setVar('RDEPENDS:%s' % pkgname, mlprefix + dep)
+
+    commands = {}
+
+    def output_locale_binary(name, pkgname, locale, encoding):
+        treedir = oe.path.join(d.getVar("WORKDIR"), "locale-tree")
+        ldlibdir = oe.path.join(treedir, d.getVar("base_libdir"))
+        path = d.getVar("PATH")
+        i18npath = oe.path.join(treedir, datadir, "i18n")
+        gconvpath = oe.path.join(treedir, "iconvdata")
+        outputpath = oe.path.join(treedir, binary_locales_dir)
+
+        use_cross_localedef = d.getVar("LOCALE_GENERATION_WITH_CROSS-LOCALEDEF") or "0"
+        if use_cross_localedef == "1":
+            target_arch = d.getVar('TARGET_ARCH')
+            locale_arch_options = { \
+                "arc":     " --uint32-align=4 --little-endian ", \
+                "arceb":   " --uint32-align=4 --big-endian ",    \
+                "arm":     " --uint32-align=4 --little-endian ", \
+                "armeb":   " --uint32-align=4 --big-endian ",    \
+                "aarch64": " --uint32-align=4 --little-endian ",    \
+                "aarch64_be": " --uint32-align=4 --big-endian ",    \
+                "sh4":     " --uint32-align=4 --big-endian ",    \
+                "powerpc": " --uint32-align=4 --big-endian ",    \
+                "powerpc64": " --uint32-align=4 --big-endian ",  \
+                "powerpc64le": " --uint32-align=4 --little-endian ",  \
+                "mips":    " --uint32-align=4 --big-endian ",    \
+                "mipsisa32r6":    " --uint32-align=4 --big-endian ",    \
+                "mips64":  " --uint32-align=4 --big-endian ",    \
+                "mipsisa64r6":  " --uint32-align=4 --big-endian ",    \
+                "mipsel":  " --uint32-align=4 --little-endian ", \
+                "mipsisa32r6el":  " --uint32-align=4 --little-endian ", \
+                "mips64el":" --uint32-align=4 --little-endian ", \
+                "mipsisa64r6el":" --uint32-align=4 --little-endian ", \
+                "riscv64": " --uint32-align=4 --little-endian ", \
+                "riscv32": " --uint32-align=4 --little-endian ", \
+                "i586":    " --uint32-align=4 --little-endian ", \
+                "i686":    " --uint32-align=4 --little-endian ", \
+                "x86_64":  " --uint32-align=4 --little-endian "  }
+
+            if target_arch in locale_arch_options:
+                localedef_opts = locale_arch_options[target_arch]
+            else:
+                bb.error("locale_arch_options not found for target_arch=" + target_arch)
+                bb.fatal("unknown arch:" + target_arch + " for locale_arch_options")
+
+            localedef_opts += " --force --no-hard-links --no-archive --prefix=%s \
+                --inputfile=%s/%s/i18n/locales/%s --charmap=%s %s/%s" \
+                % (treedir, treedir, datadir, locale, encoding, outputpath, name)
+
+            cmd = "PATH=\"%s\" I18NPATH=\"%s\" GCONV_PATH=\"%s\" cross-localedef %s" % \
+                (path, i18npath, gconvpath, localedef_opts)
+        else: # earlier slower qemu way 
+            qemu = qemu_target_binary(d) 
+            localedef_opts = "--force --no-hard-links --no-archive --prefix=%s \
+                --inputfile=%s/i18n/locales/%s --charmap=%s %s" \
+                % (treedir, datadir, locale, encoding, name)
+
+            qemu_options = d.getVar('QEMU_OPTIONS')
+
+            cmd = "PSEUDO_RELOADED=YES PATH=\"%s\" I18NPATH=\"%s\" %s -L %s \
+                -E LD_LIBRARY_PATH=%s %s %s${base_bindir}/localedef %s" % \
+                (path, i18npath, qemu, treedir, ldlibdir, qemu_options, treedir, localedef_opts)
+
+        commands["%s/%s" % (outputpath, name)] = cmd
+
+        bb.note("generating locale %s (%s)" % (locale, encoding))
+
+    def output_locale(name, locale, encoding):
+        pkgname = d.getVar('MLPREFIX', False) + 'locale-base-' + legitimize_package_name(name)
+        d.setVar('ALLOW_EMPTY:%s' % pkgname, '1')
+        d.setVar('PACKAGES', '%s %s' % (pkgname, d.getVar('PACKAGES')))
+        rprovides = ' %svirtual-locale-%s' % (mlprefix, legitimize_package_name(name))
+        m = re.match(r"(.*)_(.*)", name)
+        if m:
+            rprovides += ' %svirtual-locale-%s' % (mlprefix, m.group(1))
+        d.setVar('RPROVIDES:%s' % pkgname, rprovides)
+
+        if use_bin == "compile":
+            output_locale_binary_rdepends(name, pkgname, locale, encoding)
+            output_locale_binary(name, pkgname, locale, encoding)
+        elif use_bin == "precompiled":
+            output_locale_binary_rdepends(name, pkgname, locale, encoding)
+        else:
+            output_locale_source(name, pkgname, locale, encoding)
+
+    if use_bin == "compile":
+        bb.note("preparing tree for binary locale generation")
+        bb.build.exec_func("do_prep_locale_tree", d)
+
+    utf8_only = int(d.getVar('LOCALE_UTF8_ONLY') or 0)
+    utf8_is_default = int(d.getVar('LOCALE_UTF8_IS_DEFAULT') or 0)
+
+    encodings = {}
+    for locale in to_generate:
+        charset = supported[locale]
+        if utf8_only and charset != 'UTF-8':
+            continue
+
+        m = dot_re.match(locale)
+        if m:
+            base = m.group(1)
+        else:
+            base = locale
+
+        # Non-precompiled locales may be renamed so that the default
+        # (non-suffixed) encoding is always UTF-8, i.e., instead of en_US and
+        # en_US.UTF-8, we have en_US and en_US.ISO-8859-1. This implicitly
+        # contradicts SUPPORTED.
+        if use_bin == "precompiled" or not utf8_is_default:
+            output_locale(locale, base, charset)
+        else:
+            if charset == 'UTF-8':
+                output_locale(base, base, charset)
+            else:
+                output_locale('%s.%s' % (base, charset), base, charset)
+
+    def metapkg_hook(file, pkg, pattern, format, basename):
+        name = basename.split('/', 1)[0]
+        metapkg = legitimize_package_name('%s-binary-localedata-%s' % (mlprefix+bpn, name))
+        d.appendVar('RDEPENDS:%s' % metapkg, ' ' + pkg)
+
+    if use_bin == "compile":
+        makefile = oe.path.join(d.getVar("WORKDIR"), "locale-tree", "Makefile")
+        with open(makefile, "w") as m:
+            m.write("all: %s\n\n" % " ".join(commands.keys()))
+            total = len(commands)
+            for i, (maketarget, makerecipe) in enumerate(commands.items()):
+                m.write(maketarget + ":\n")
+                m.write("\t@echo 'Progress %d/%d'\n" % (i, total))
+                m.write("\t" + makerecipe + "\n\n")
+        d.setVar("EXTRA_OEMAKE", "-C %s ${PARALLEL_MAKE}" % (os.path.dirname(makefile)))
+        d.setVarFlag("oe_runmake", "progress", r"outof:Progress\s(\d+)/(\d+)")
+        bb.note("Executing binary locale generation makefile")
+        bb.build.exec_func("oe_runmake", d)
+        bb.note("collecting binary locales from locale tree")
+        bb.build.exec_func("do_collect_bins_from_locale_tree", d)
+
+    if use_bin in ('compile', 'precompiled'):
+        lcsplit = d.getVar('GLIBC_SPLIT_LC_PACKAGES')
+        if lcsplit and int(lcsplit):
+            do_split_packages(d, binary_locales_dir, file_regex=r'^(.*/LC_\w+)', \
+                output_pattern=bpn+'-binary-localedata-%s', \
+                description='binary locale definition for %s', recursive=True,
+                hook=metapkg_hook, extra_depends='', allow_dirs=True, match_path=True)
+        else:
+            do_split_packages(d, binary_locales_dir, file_regex=r'(.*)', \
+                output_pattern=bpn+'-binary-localedata-%s', \
+                description='binary locale definition for %s', extra_depends='', allow_dirs=True)
+    else:
+        bb.note("generation of binary locales disabled. this may break i18n!")
+
+}
+
+# We want to do this indirection so that we can safely 'return'
+# from the called function even though we're prepending
+python populate_packages:prepend () {
+    bb.build.exec_func('package_do_split_gconvs', d)
+}