2 files changed, 92 insertions, 0 deletions

diff --git a/meta/classes/uninative.bbclass b/meta/classes/uninative.bbclass
new file mode 100644
index 0000000000..51391dbc4a
--- /dev/null
+++ b/meta/classes/uninative.bbclass
@@ -0,0 +1,44 @@
+NATIVELSBSTRING = "universal"
+
+UNINATIVE_LOADER = "${STAGING_DIR_NATIVE}/lib/ld-linux-x86-64.so.2"
+
+addhandler uninative_eventhandler
+uninative_eventhandler[eventmask] = "bb.event.BuildStarted"
+
+python uninative_eventhandler() {
+    loader = e.data.getVar("UNINATIVE_LOADER", True)
+    if not os.path.exists(loader):
+        import subprocess
+        cmd = e.data.expand("mkdir -p ${STAGING_DIR}; cd ${STAGING_DIR}; tar -xjf ${COREBASE}/${BUILD_ARCH}-nativesdk-libc.tar.bz2; ${STAGING_DIR}/relocate_sdk.py ${STAGING_DIR_NATIVE} ${UNINATIVE_LOADER} ${UNINATIVE_LOADER} ${STAGING_BINDIR_NATIVE}/patchelf-uninative")
+        #bb.warn("nativesdk lib extraction: " + cmd)
+        subprocess.check_call(cmd, shell=True)
+}
+
+SSTATEPOSTUNPACKFUNCS_append = " uninative_changeinterp"
+
+python uninative_changeinterp () {
+    import subprocess
+    import stat
+    import oe.qa
+
+    if not (bb.data.inherits_class('native', d) or bb.data.inherits_class('crosssdk', d) or bb.data.inherits_class('cross', d)):
+        return
+
+    sstateinst = d.getVar('SSTATE_INSTDIR', True)
+    for walkroot, dirs, files in os.walk(sstateinst):
+        for file in files:
+            f = os.path.join(walkroot, file)
+            if os.path.islink(f):
+                continue
+            s = os.stat(f)
+            if not ((s[stat.ST_MODE] & stat.S_IXUSR) or (s[stat.ST_MODE] & stat.S_IXGRP) or (s[stat.ST_MODE] & stat.S_IXOTH)):
+                continue
+            elf = oe.qa.ELFFile(f)
+            try:
+                elf.open()
+            except:
+                continue
+
+            #bb.warn("patchelf-uninative --set-interpreter %s %s" % (d.getVar("UNINATIVE_LOADER", True), f))
+            subprocess.call("patchelf-uninative --set-interpreter %s %s" % (d.getVar("UNINATIVE_LOADER", True), f), shell=True)
+}
diff --git a/meta/recipes-core/meta/uninative-tarball.bb b/meta/recipes-core/meta/uninative-tarball.bb
new file mode 100644
index 0000000000..ed1279f09b
--- /dev/null
+++ b/meta/recipes-core/meta/uninative-tarball.bb
@@ -0,0 +1,48 @@
+SUMMARY = "libc and patchelf tarball for use with uninative.bbclass"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=4d92cd373abda3937c2bc47fbc49d690 \
+                    file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
+
+TOOLCHAIN_TARGET_TASK = ""
+
+TOOLCHAIN_HOST_TASK = "\
+    nativesdk-eglibc \
+    nativesdk-patchelf \
+    "
+
+INHIBIT_DEFAULT_DEPS = "1"
+DEPENDS += "patchelf-native"
+
+TOOLCHAIN_OUTPUTNAME ?= "${BUILD_ARCH}-nativesdk-libc"
+
+RDEPENDS = "${TOOLCHAIN_HOST_TASK}"
+
+EXCLUDE_FROM_WORLD = "1"
+
+inherit meta
+inherit populate_sdk
+
+deltask install
+deltask package
+
+SDK_PACKAGING_FUNC = ""
+
+fakeroot create_sdk_files() {
+        cp ${COREBASE}/scripts/relocate_sdk.py ${SDK_OUTPUT}/${SDKPATH}/
+
+        # Replace the ##DEFAULT_INSTALL_DIR## with the correct pattern.
+        # Escape special characters like '+' and '.' in the SDKPATH
+        escaped_sdkpath=$(echo ${SDKPATH}/sysroots/${SDK_SYS} |sed -e "s:[\+\.]:\\\\\\\\\0:g")
+        sed -i -e "s:##DEFAULT_INSTALL_DIR##:$escaped_sdkpath:" ${SDK_OUTPUT}/${SDKPATH}/relocate_sdk.py
+}
+
+
+fakeroot tar_sdk() {
+        mkdir -p ${SDK_DEPLOY}
+        cd ${SDK_OUTPUT}/${SDKPATH}
+        mv sysroots/${SDK_SYS} ./${BUILD_SYS}
+        rm sysroots -rf
+        patchelf --set-interpreter ${@''.join('a' for n in xrange(1024))} ./${BUILD_SYS}/usr/bin/patchelf
+        mv ./${BUILD_SYS}/usr/bin/patchelf ./${BUILD_SYS}/usr/bin/patchelf-uninative
+        tar ${SDKTAROPTS} -c --file=${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.tar.bz2 .
+}