glibc: Separate out core glibc packaging functionality into a class

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

1 files changed, 261 insertions, 0 deletions

diff --git a/meta/classes/glibc-package.bbclass b/meta/classes/glibc-package.bbclass
new file mode 100644
index 0000000000..b16daa47f7
--- /dev/null
+++ b/meta/classes/glibc-package.bbclass
@@ -0,0 +1,261 @@
+#
+# This class knows how to package up 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"
+
+PACKAGES = "glibc-dbg glibc catchsegv sln nscd ldd localedef glibc-utils glibc-dev glibc-doc glibc-locale libsegfault glibc-extra-nss glibc-thread-db glibc-pcprofile"
+PACKAGES_DYNAMIC = "glibc-gconv-* glibc-charmap-* glibc-localedata-* locale-base-* glibc-binary-localedata-*"
+
+libc_baselibs = "${base_libdir}/libc* ${base_libdir}/libm* ${base_libdir}/ld* ${base_libdir}/libpthread* ${base_libdir}/libresolv* ${base_libdir}/librt* ${base_libdir}/libutil* ${base_libdir}/libnsl* ${base_libdir}/libnss_files* ${base_libdir}/libnss_compat* ${base_libdir}/libnss_dns* ${base_libdir}/libdl* ${base_libdir}/libanl* ${base_libdir}/libBrokenLocale*"
+
+FILES_glibc = "${sysconfdir} ${libc_baselibs} ${base_sbindir}/ldconfig ${libexecdir}/* ${datadir}/zoneinfo"
+FILES_ldd = "${bindir}/ldd"
+FILES_libsegfault = "${base_libdir}/libSegFault*"
+FILES_glibc-extra-nss = "${base_libdir}/libnss*"
+FILES_sln = "${base_sbindir}/sln"
+FILES_glibc-dev_append = " ${libdir}/*.o ${bindir}/rpcgen"
+FILES_nscd = "${sbindir}/nscd* ${sysconfdir}/nscd* ${sysconfdir}/init.d/nscd*"
+FILES_glibc-utils = "${bindir}/* ${sbindir}/*"
+FILES_glibc-gconv = "${libdir}/gconv/*"
+FILES_glibc-dbg = "${bindir}/.debug ${sbindir}/.debug ${libdir}/.debug \
+                  ${base_bindir}/.debug ${base_sbindir}/.debug ${base_libdir}/.debug \
+                  ${libdir}/gconv/.debug ${libexecdir}/*/.debug"
+FILES_catchsegv = "${bindir}/catchsegv"
+RDEPENDS_catchsegv = "libsegfault"
+FILES_glibc-pcprofile = "${base_libdir}/libpcprofile.so"
+FILES_glibc-thread-db = "${base_libdir}/libthread_db*"
+FILES_localedef = "${bindir}/localedef"
+RPROVIDES_glibc-dev += "libc-dev"
+
+DESCRIPTION_sln = "glibc: create symbolic links between files"
+DESCRIPTION_nscd = "glibc: name service cache daemon for passwd, group, and hosts"
+DESCRIPTION_glibc-extra-nss = "glibc: nis, nisplus and hesiod search services"
+DESCRIPTION_ldd = "glibc: print shared library dependencies"
+DESCRIPTION_localedef = "glibc: compile locale definition files"
+DESCRIPTION_glibc-utils = "glibc: misc utilities like iconf, local, gencat, tzselect, rpcinfo, ..."
+
+TMP_LOCALE="/tmp/locale${libdir}/locale"
+
+locale_base_postinst() {
+#!/bin/sh
+
+if [ "x$D" != "x" ]; then
+  exit 1
+fi
+
+rm -rf ${TMP_LOCALE}
+mkdir -p ${TMP_LOCALE}
+if [ -f ${libdir}/locale/locale-archive ]; then
+        cp ${libdir}/locale/locale-archive ${TMP_LOCALE}/
+fi
+localedef --inputfile=${datadir}/i18n/locales/%s --charmap=%s --prefix=/tmp/locale %s
+mkdir -p ${libdir}/locale/
+mv ${TMP_LOCALE}/locale-archive ${libdir}/locale/
+rm -rf ${TMP_LOCALE}
+}
+
+locale_base_postrm() {
+#!/bin/sh
+
+rm -rf ${TMP_LOCALE}
+mkdir -p ${TMP_LOCALE}
+if [ -f ${libdir}/locale/locale-archive ]; then
+	cp ${libdir}/locale/locale-archive ${TMP_LOCALE}/
+fi
+localedef --delete-from-archive --inputfile=${datadir}/locales/%s --charmap=%s --prefix=/tmp/locale %s
+mv ${TMP_LOCALE}/locale-archive ${libdir}/locale/
+rm -rf ${TMP_LOCALE}
+}
+
+do_prep_locale_tree() {
+	treedir=${WORKDIR}/locale-tree
+	rm -rf $treedir
+	mkdir -p $treedir/bin $treedir/lib $treedir/${datadir} $treedir/${libdir}/locale
+	cp -pPR ${PKGD}${datadir}/i18n $treedir/${datadir}/i18n
+	# unzip to avoid parsing errors
+	for i in $treedir/${datadir}/i18n/charmaps/*gz; do 
+		gunzip $i
+	done
+	cp -pPR ${PKGD}${base_libdir}/* $treedir/lib
+	if [ -f ${CROSS_DIR}/${TARGET_SYS}/lib/libgcc_s.* ]; then
+		cp -pPR ${CROSS_DIR}/${TARGET_SYS}/lib/libgcc_s.* $treedir/lib
+	fi
+	install -m 0755 ${PKGD}${bindir}/localedef $treedir/bin
+}
+
+do_collect_bins_from_locale_tree() {
+	treedir=${WORKDIR}/locale-tree
+
+	mkdir -p ${PKGD}${libdir}
+	cp -pPR $treedir/${libdir}/locale ${PKGD}${libdir}
+}
+
+python package_do_split_gconvs () {
+	import os, re
+	if (bb.data.getVar('PACKAGE_NO_GCONV', d, 1) == '1'):
+		bb.note("package requested not splitting gconvs")
+		return
+
+	if not bb.data.getVar('PACKAGES', d, 1):
+		return
+
+	libdir = bb.data.getVar('libdir', d, 1)
+	if not libdir:
+		bb.error("libdir not defined")
+		return
+	datadir = bb.data.getVar('datadir', d, 1)
+	if not datadir:
+		bb.error("datadir not defined")
+		return
+
+	gconv_libdir = base_path_join(libdir, "gconv")
+	charmap_dir = base_path_join(datadir, "i18n", "charmaps")
+	locales_dir = base_path_join(datadir, "i18n", "locales")
+	binary_locales_dir = base_path_join(libdir, "locale")
+
+	do_split_packages(d, gconv_libdir, file_regex='^(.*)\.so$', output_pattern='glibc-gconv-%s', description='gconv module for character set %s', extra_depends='glibc-gconv')
+
+	do_split_packages(d, charmap_dir, file_regex='^(.*)\.gz$', output_pattern='glibc-charmap-%s', description='character map for %s encoding', extra_depends='')
+
+	def calc_locale_deps(fn, pkg, file_regex, output_pattern, group):
+		deps = []
+		f = open(fn, "r")
+		c_re = re.compile('^copy "(.*)"')
+		i_re = re.compile('^include "(\w+)".*')
+		for l in f.readlines():
+			m = c_re.match(l) or i_re.match(l)
+			if m:
+				dp = legitimize_package_name('glibc-localedata-%s' % m.group(1))
+				if not dp in deps:
+					deps.append(dp)
+		f.close()
+		if deps != []:
+			bb.data.setVar('RDEPENDS_%s' % pkg, " ".join(deps), d)
+
+	do_split_packages(d, locales_dir, file_regex='(.*)', output_pattern='glibc-localedata-%s', description='locale definition for %s', hook=calc_locale_deps, extra_depends='')
+	bb.data.setVar('PACKAGES', bb.data.getVar('PACKAGES', d) + ' glibc-gconv', d)
+
+	f = open(os.path.join(bb.data.getVar('WORKDIR', d, 1), "SUPPORTED"), "r")
+	supported = f.readlines()
+	f.close()
+
+	dot_re = re.compile("(.*)\.(.*)")
+
+	# Collate the locales by base and encoding
+	utf8_only = int(bb.data.getVar('LOCALE_UTF8_ONLY', d, 1) or 0)
+	encodings = {}
+	for l in supported:
+		l = l[:-1]
+		(locale, charset) = l.split(" ")
+		if utf8_only and charset != 'UTF-8':
+			continue
+		m = dot_re.match(locale)
+		if m:
+			locale = m.group(1)
+		if not encodings.has_key(locale):
+			encodings[locale] = []
+		encodings[locale].append(charset)
+
+	def output_locale_source(name, locale, encoding):
+		pkgname = 'locale-base-' + legitimize_package_name(name)
+
+		bb.data.setVar('RDEPENDS_%s' % pkgname, 'localedef glibc-localedata-%s glibc-charmap-%s' % (legitimize_package_name(locale), legitimize_package_name(encoding)), d)
+		rprovides = 'virtual-locale-%s' % legitimize_package_name(name)
+		m = re.match("(.*)_(.*)", name)
+		if m:
+			rprovides += ' virtual-locale-%s' % m.group(1)
+		bb.data.setVar('RPROVIDES_%s' % pkgname, rprovides, d)
+		bb.data.setVar('PACKAGES', '%s %s' % (pkgname, bb.data.getVar('PACKAGES', d, 1)), d)
+		bb.data.setVar('ALLOW_EMPTY_%s' % pkgname, '1', d)
+		bb.data.setVar('pkg_postinst_%s' % pkgname, bb.data.getVar('locale_base_postinst', d, 1) % (locale, encoding, locale), d)
+		bb.data.setVar('pkg_postrm_%s' % pkgname, bb.data.getVar('locale_base_postrm', d, 1) % (locale, encoding, locale), d)
+
+	def output_locale_binary(name, locale, encoding):
+		target_arch = bb.data.getVar("TARGET_ARCH", d, 1)
+		qemu = "qemu-%s" % target_arch
+		pkgname = 'locale-base-' + legitimize_package_name(name)
+		m = re.match("(.*)\.(.*)", name)
+		if m:
+			glibc_name = "%s.%s" % (m.group(1), m.group(2).lower().replace("-",""))
+		else:
+			glibc_name = name
+		bb.data.setVar('RDEPENDS_%s' % pkgname, legitimize_package_name('glibc-binary-localedata-%s' % glibc_name), d)
+		rprovides = 'virtual-locale-%s' % legitimize_package_name(name)
+		m = re.match("(.*)_(.*)", name)
+		if m:
+			rprovides += ' virtual-locale-%s' % m.group(1)
+		bb.data.setVar('RPROVIDES_%s' % pkgname, rprovides, d)
+		bb.data.setVar('ALLOW_EMPTY_%s' % pkgname, '1', d)
+		bb.data.setVar('PACKAGES', '%s %s' % (pkgname, bb.data.getVar('PACKAGES', d, 1)), d)
+
+		treedir = base_path_join(bb.data.getVar("WORKDIR", d, 1), "locale-tree")
+		path = bb.data.getVar("PATH", d, 1)
+		i18npath = base_path_join(treedir, datadir, "i18n")
+
+		localedef_opts = "--force --old-style --no-archive --prefix=%s --inputfile=%s/i18n/locales/%s --charmap=%s %s" % (treedir, datadir, locale, encoding, name)
+
+		qemu_options = bb.data.getVar("QEMU_OPTIONS_%s" % bb.data.getVar('PACKAGE_ARCH', d, 1), d, 1)
+		if not qemu_options:
+			qemu_options = bb.data.getVar('QEMU_OPTIONS', d, 1)
+		
+		cmd = "PATH=\"%s\" I18NPATH=\"%s\" %s -L %s %s %s/bin/localedef %s" % (path, i18npath, qemu, treedir, qemu_options, treedir, localedef_opts)
+		bb.note("generating locale %s (%s)" % (locale, encoding))
+		if os.system(cmd):
+			raise bb.build.FuncFailed("localedef returned an error (command was %s)." % cmd)
+
+	def output_locale(name, locale, encoding):
+		use_bin = bb.data.getVar("GLIBC_INTERNAL_USE_BINARY_LOCALE", d, 1)
+		if use_bin == "compile":
+			output_locale_binary(name, locale, encoding)
+		else:
+			output_locale_source(name, locale, encoding)
+
+	use_bin = bb.data.getVar("GLIBC_INTERNAL_USE_BINARY_LOCALE", d, 1)
+	if use_bin == "compile":
+		bb.note("preparing tree for binary locale generation")
+		bb.build.exec_func("do_prep_locale_tree", d)
+
+	# Reshuffle names so that UTF-8 is preferred over other encodings
+	non_utf8 = []
+	for l in encodings.keys():
+		if len(encodings[l]) == 1:
+			output_locale(l, l, encodings[l][0])
+			if encodings[l][0] != "UTF-8":
+				non_utf8.append(l)
+		else:
+			if "UTF-8" in encodings[l]:
+				output_locale(l, l, "UTF-8")
+				encodings[l].remove("UTF-8")
+			else:
+				non_utf8.append(l)
+			for e in encodings[l]:
+				output_locale('%s.%s' % (l, e), l, e)
+
+	if non_utf8 != []:
+		bb.note("the following locales are supported only in legacy encodings:")
+		bb.note("  " + " ".join(non_utf8))
+
+	use_bin = bb.data.getVar("GLIBC_INTERNAL_USE_BINARY_LOCALE", d, 1)
+	if use_bin == "compile":
+		bb.note("collecting binary locales from locale tree")
+		bb.build.exec_func("do_collect_bins_from_locale_tree", d)
+		do_split_packages(d, binary_locales_dir, file_regex='(.*)', output_pattern='glibc-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 () {
+	if bb.data.getVar('DEBIAN_NAMES', d, 1):
+		bb.data.setVar('PKG_glibc', 'libc6', d)
+		bb.data.setVar('PKG_glibc-dev', 'libc6-dev', d)
+	bb.build.exec_func('package_do_split_gconvs', d)
+}