From: Denys Dmytriyenko <de...@ti.com>

* libasan and libgfortran changed major version number, handle both
* only remove dups of lib*-${ELT_VER_LIBC}.so when they are regular and 
identical files
  preserve them if one is a symlink to another or files are different

Signed-off-by: Denys Dmytriyenko <de...@ti.com>
---
 .../external-linaro-toolchain.bb                   | 33 ++++++++++++++++++----
 1 file changed, 28 insertions(+), 5 deletions(-)

diff --git 
a/meta-linaro-toolchain/recipes-devtools/external-linaro-toolchain/external-linaro-toolchain.bb
 
b/meta-linaro-toolchain/recipes-devtools/external-linaro-toolchain/external-linaro-toolchain.bb
index 676b7ba..7b29ce5 100644
--- 
a/meta-linaro-toolchain/recipes-devtools/external-linaro-toolchain/external-linaro-toolchain.bb
+++ 
b/meta-linaro-toolchain/recipes-devtools/external-linaro-toolchain/external-linaro-toolchain.bb
@@ -89,7 +89,6 @@ do_install() {
        cp -a ${EXTERNAL_TOOLCHAIN}/${ELT_TARGET_SYS}/libc/usr/include/*  
${D}${includedir}
        if [ -d 
${EXTERNAL_TOOLCHAIN}/${ELT_TARGET_SYS}/libc/usr/include/${ELT_TARGET_SYS} ]; 
then
                cp -a 
${EXTERNAL_TOOLCHAIN}/${ELT_TARGET_SYS}/libc/usr/include/${ELT_TARGET_SYS}/*  
${D}${includedir}
-
                rm -r ${D}${includedir}/${ELT_TARGET_SYS}
        fi
 
@@ -115,14 +114,22 @@ do_install() {
        ln -sf ../../lib/libnss_nisplus.so.2 ${D}${libdir}/libnss_nisplus.so
        ln -sf ../../lib/libnss_db.so.2 ${D}${libdir}/libnss_db.so
        ln -sf ../../lib/libm.so.6 ${D}${libdir}/libm.so
-       ln -sf ../../lib/libasan.so.1 ${D}${libdir}/libasan.so
        ln -sf ../../lib/libatomic.so.1 ${D}${libdir}/libatomic.so
        ln -sf ../../lib/libgomp.so.1 ${D}${libdir}/libgomp.so
        ln -sf ../../lib/libitm.so.1 ${D}${libdir}/libitm.so
        ln -sf ../../lib/libssp.so.0 ${D}${libdir}/libssp.so
        ln -sf ../../lib/libstdc++.so.6 ${D}${libdir}/libstdc++.so
-       ln -sf ../../lib/libgfortran.so.6 ${D}${libdir}/libgfortran.so
        ln -sf ../../lib/libubsan.so.0 ${D}${libdir}/libubsan.so
+       if [ -f ${D}${base_libdir}/libasan.so.2 ]; then
+               ln -sf ../../lib/libasan.so.2 ${D}${libdir}/libasan.so
+       else
+               ln -sf ../../lib/libasan.so.1 ${D}${libdir}/libasan.so
+       fi
+       if [ -f ${D}${base_libdir}/libgfortran.so.6 ]; then
+               ln -sf ../../lib/libgfortran.so.6 ${D}${libdir}/libgfortran.so
+       else
+               ln -sf ../../lib/libgfortran.so.3 ${D}${libdir}/libgfortran.so
+       fi
 
        # remove potential .so duplicates from base_libdir
        # for all symlinks created above in libdir
@@ -139,7 +146,6 @@ do_install() {
        rm -f ${D}${base_libdir}/libcidn.so
        rm -f ${D}${base_libdir}/libBrokenLocale.so
        rm -f ${D}${base_libdir}/libthread_db.so
-       rm -f ${D}${base_libdir}/libthread_db-1.0.so
        rm -f ${D}${base_libdir}/libanl.so
        rm -f ${D}${base_libdir}/libdl.so
        rm -f ${D}${base_libdir}/libnss_nisplus.so
@@ -155,7 +161,24 @@ do_install() {
        rm -f ${D}${base_libdir}/libubsan.so
 
        # Besides ld-${ELT_VER_LIBC}.so, other libs can have duplicates like 
lib*-${ELT_VER_LIBC}.so
-       rm -rf ${D}${base_libdir}/lib*-${ELT_VER_LIBC}.so
+       # Only remove them if both are regular files and are identical
+       for i in ${D}${base_libdir}/lib*-${ELT_VER_LIBC}.so; do
+               f=$(echo $i | sed 's/-${ELT_VER_LIBC}//')
+               l=$(ls $f.*)
+               if [ $(readlink -f $i ) = $l ]; then
+                       echo "$i is a symlink of $l, keep it"
+               elif [ $(readlink -f $l ) = $i ]; then
+                       echo "$l is a symlink of $i, keep it"
+               else
+                       cmp -s $i $l
+                       if [ $? -eq 0 ]; then
+                               echo "$i is a duplicate of $l, remove it"
+                               rm $i
+                       else
+                               echo "$i and $l are different files, keep them 
both"
+                       fi
+               fi
+       done
 
        if [ -d ${D}${base_libdir}/arm-linux-gnueabi ]; then
           rm -rf ${D}${base_libdir}/arm-linux-gnueabi
-- 
2.2.0

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