1 files changed, 20 insertions, 0 deletions

diff --git a/meta/classes/externalsrc.bbclass b/meta/classes/externalsrc.bbclass
index 9d7ab00e9e..b608bd04e8 100644
--- a/meta/classes/externalsrc.bbclass
+++ b/meta/classes/externalsrc.bbclass
@@ -25,6 +25,7 @@
 #
 
 SRCTREECOVEREDTASKS ?= "do_patch do_unpack do_fetch"
+EXTERNALSRC_SYMLINKS ?= "oe-workdir:${WORKDIR} oe-logs:${T}"
 
 python () {
     externalsrc = d.getVar('EXTERNALSRC', True)
@@ -82,6 +83,7 @@ python () {
             bb.build.deltask(task, d)
 
         d.prependVarFlag('do_compile', 'prefuncs', "externalsrc_compile_prefunc ")
+        d.prependVarFlag('do_configure', 'prefuncs', "externalsrc_configure_prefunc ")
 
         # Ensure compilation happens every time
         d.setVarFlag('do_compile', 'nostamp', '1')
@@ -101,6 +103,24 @@ python () {
             d.setVarFlag('do_configure', 'file-checksums', configstamp + ':True')
 }
 
+python externalsrc_configure_prefunc() {
+    # Create desired symlinks
+    symlinks = (d.getVar('EXTERNALSRC_SYMLINKS', True) or '').split()
+    for symlink in symlinks:
+        symsplit = symlink.split(':', 1)
+        lnkfile = os.path.join(d.getVar('S', True), symsplit[0])
+        target = d.expand(symsplit[1])
+        if len(symsplit) > 1:
+            if os.path.islink(lnkfile):
+                # Link already exists, leave it if it points to the right location already
+                if os.readlink(lnkfile) == target:
+                    continue
+            elif os.path.exists(lnkfile):
+                # File/dir exists with same name as link, just leave it alone
+                continue
+            os.symlink(target, lnkfile)
+}
+
 python externalsrc_compile_prefunc() {
     # Make it obvious that this is happening, since forgetting about it could lead to much confusion
     bb.plain('NOTE: %s: compiling from external source tree %s' % (d.getVar('PN', True), d.getVar('EXTERNALSRC', True)))