libgcc: Spit out common code into libgcc-common.inc

Prepare the ground for the creation of libgcc-initial by splitting common
libgcc code into a libgcc-common.inc file.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 135 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/libgcc-common.inc b/meta/recipes-devtools/gcc/libgcc-common.inc
new file mode 100644
index 0000000000..c4ab885cc3
--- /dev/null
+++ b/meta/recipes-devtools/gcc/libgcc-common.inc
@@ -0,0 +1,135 @@
+BPN = "libgcc"
+
+INHIBIT_DEFAULT_DEPS = "1"
+
+do_configure () {
+	target=`echo ${MULTIMACH_TARGET_SYS} | sed -e s#-${SDKPKGSUFFIX}##`
+	install -d ${D}${base_libdir} ${D}${libdir}
+	hardlinkdir ${STAGING_INCDIR_NATIVE}/${LIBGCCBUILDTREENAME}$target/ ${B}
+	mkdir -p ${B}/${BPN}
+	cd ${B}/${BPN}
+	chmod a+x ${S}/${BPN}/configure
+	${S}/${BPN}/configure ${CONFIGUREOPTS} ${EXTRA_OECONF}
+}
+
+do_compile () {
+	target=`echo ${TARGET_SYS} | sed -e s#-${SDKPKGSUFFIX}##`
+	cd ${B}/${BPN}
+	oe_runmake MULTIBUILDTOP=${B}/$target/${BPN}/
+}
+
+do_install () {
+	target=`echo ${TARGET_SYS} | sed -e s#-${SDKPKGSUFFIX}##`
+	cd ${B}/${BPN}
+	oe_runmake 'DESTDIR=${D}' MULTIBUILDTOP=${B}/$target/${BPN}/ install
+
+	# Move libgcc_s into /lib
+	mkdir -p ${D}${base_libdir}
+	if [ -f ${D}${libdir}/nof/libgcc_s.so ]; then
+		mv ${D}${libdir}/nof/libgcc* ${D}${base_libdir}
+	else
+		mv ${D}${libdir}/libgcc* ${D}${base_libdir} || true
+	fi
+
+	# install the runtime in /usr/lib/ not in /usr/lib/gcc on target
+	# so that cross-gcc can find it in the sysroot
+
+	mv ${D}${libdir}/gcc/* ${D}${libdir}
+	rm -rf ${D}${libdir}/gcc/
+	# unwind.h is installed here which is shipped in gcc-cross
+	# as well as target gcc and they are identical so we dont
+	# ship one with libgcc here
+	rm -rf ${D}${libdir}/${TARGET_SYS}/${BINV}/include
+}
+
+BBCLASSEXTEND = "nativesdk"
+
+addtask multilib_install after do_install before do_package do_populate_sysroot
+# this makes multilib gcc files findable for target gcc
+# e.g.
+#    /usr/lib/i586-pokymllib32-linux/4.7/
+# by creating this symlink to it
+#    /usr/lib64/x86_64-poky-linux/4.7/32
+
+python do_multilib_install() {
+    import re
+
+    multilibs = d.getVar('MULTILIB_VARIANTS', True)
+    if not multilibs or bb.data.inherits_class('nativesdk', d):
+        return
+
+    binv = d.getVar('BINV', True)
+
+    mlprefix = d.getVar('MLPREFIX', True)
+    if ('%slibgcc' % mlprefix) != d.getVar('PN', True):
+        return
+
+    if mlprefix:
+        orig_tune = d.getVar('DEFAULTTUNE_MULTILIB_ORIGINAL', True)
+        orig_tune_params = get_tune_parameters(orig_tune, d)
+        orig_tune_baselib = orig_tune_params['baselib']
+        orig_tune_bitness = orig_tune_baselib.replace('lib', '')
+        if not orig_tune_bitness:
+            orig_tune_bitness = '32'
+
+        src = '../../../' + orig_tune_baselib + '/' + \
+            d.getVar('TARGET_SYS_MULTILIB_ORIGINAL', True) + '/' + binv + '/'
+
+        dest = d.getVar('D', True) + d.getVar('libdir', True) + '/' + \
+            d.getVar('TARGET_SYS', True) + '/' + binv + '/' + orig_tune_bitness
+
+        if os.path.lexists(dest):
+            os.unlink(dest)
+        os.symlink(src, dest)
+        return
+
+
+    for ml in multilibs.split():
+        tune = d.getVar('DEFAULTTUNE_virtclass-multilib-' + ml, True)
+        if not tune:
+            bb.warn('DEFAULTTUNE_virtclass-multilib-%s is not defined. Skipping...' % ml)
+            continue
+
+        tune_parameters = get_tune_parameters(tune, d)
+        tune_baselib = tune_parameters['baselib']
+        if not tune_baselib:
+            bb.warn("Tune %s doesn't have a baselib set. Skipping..." % tune)
+            continue
+
+        tune_arch = tune_parameters['arch']
+        tune_bitness = tune_baselib.replace('lib', '')
+        if not tune_bitness:
+            tune_bitness = '32' # /lib => 32bit lib
+
+        src = '../../../' + tune_baselib + '/' + \
+            tune_arch + d.getVar('TARGET_VENDOR', True) + 'ml' + ml + \
+            '-' + d.getVar('TARGET_OS', True) + '/' + binv + '/'
+
+        dest = d.getVar('D', True) + d.getVar('libdir', True) + '/' + \
+            d.getVar('TARGET_SYS', True) + '/' + binv + '/' + tune_bitness
+
+        if os.path.lexists(dest):
+            os.unlink(dest)
+        os.symlink(src, dest)
+}
+
+addtask extra_symlinks after do_multilib_install before do_package do_populate_sysroot
+python do_extra_symlinks() {
+    targetsysnoext = d.getVar('TARGET_SYS_NO_EXTENSION', True)
+
+    if targetsysnoext != d.getVar('TARGET_SYS', True):
+        dest = d.getVar('D', True) + d.getVar('libdir', True) + '/' + targetsysnoext
+        src = d.getVar('TARGET_SYS', True)
+        if not os.path.lexists(dest) and os.path.lexists(d.getVar('D', True) + d.getVar('libdir', True)):
+            os.symlink(src, dest)
+}
+
+python () {
+    targetsysnoext = d.getVar('TARGET_SYS', True)
+
+    for suffix in [d.getVar('ABIEXTENSION', True), d.getVar('LIBCEXTENSION', True)]:
+        if suffix and targetsysnoext.endswith(suffix):
+            targetsysnoext = targetsysnoext[:-len(suffix)]
+
+    d.setVar('TARGET_SYS_NO_EXTENSION', targetsysnoext)
+}