meta-toolchain: Update the way ld.so.cache is handled

Fix the library search path so that libs in the toolchain in /opt/
have priority over those in base system but ones from the base system
can still be found.

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

1 files changed, 9 insertions, 2 deletions

diff --git a/meta/recipes-tbd/meta/meta-toolchain.bb b/meta/recipes-tbd/meta/meta-toolchain.bb
index 2fab8f94b2..633f5f1990 100644
--- a/meta/recipes-tbd/meta/meta-toolchain.bb
+++ b/meta/recipes-tbd/meta/meta-toolchain.bb
@@ -72,8 +72,15 @@ do_populate_sdk() {
         #rm -f ${SDK_OUTPUT}/${SDKPATHNATIVE}/lib/*.la
         rm -f ${SDK_OUTPUT}/${SDKPATHNATIVE}${libdir_nativesdk}/*.la
 
-        # Link the ld.so.cache file into the hosts filesystem
-        ln -s /etc/ld.so.cache ${SDK_OUTPUT}/${SDKPATHNATIVE}/etc/ld.so.cache
+        # Create an appropriate setup so the dynamic loader can find libs in 
+        # both the host system and the toolchain directories
+        echo ${SDKPATHNATIVE}${libdir} > ${SDK_OUTPUT}/${SDKPATHNATIVE}/etc/ld.so.conf
+        echo ${SDKPATHNATIVE}${base_libdir} >> ${SDK_OUTPUT}/${SDKPATHNATIVE}/etc/ld.so.conf
+        echo "include /etc/ld.so.conf" >> ${SDK_OUTPUT}/${SDKPATHNATIVE}/etc/ld.so.conf
+        echo "#!/bin/sh" > ${SDK_OUTPUT}/${SDKPATH}/postinstall
+        echo "ldconfig -f ${SDKPATHNATIVE}/etc/ld.so.conf -C /${SDKPATHNATIVE}/etc/ld.so.cache" >> ${SDK_OUTPUT}/${SDKPATH}/postinstall
+        chmod a+x ${SDK_OUTPUT}/${SDKPATH}/postinstall
+
 
         # Setup site file for external use
         siteconfig=${SDK_OUTPUT}/${SDKPATH}/site-config-${MULTIMACH_TARGET_SYS}