SWDEV-489527 - Create /opt/rocm softlink only for prefix paths that starts with /opt/rocm-

USE $RPM_INSTALL_PREFIX0 rather than hard coded paths in the post/pre install scripts for rpm use case

Change-Id: I56c66f0befd5502fd2a4218f0b661661259436ed


[ROCm/rocm-core commit: f2208f6452]

projects/rocm-core/rocm-core.postinst

@@ -34,13 +34,22 @@ do_update_alternatives(){
     altscore=$((altscore*1000000+(now-1600000000)/60))
 
     # Update the /opt/rocm symlink
-    update-alternatives --install "/opt/rocm" "rocm" "@CPACK_PACKAGING_INSTALL_PREFIX@" "$altscore"
+    # For custom location installation of rpm package, /opt/rocm symlink is not required
+    # TBD: For custom location installation of deb package.
+    if [[ "$DISTRIB_ID" == "Ubuntu" ]] || [[ "$RPM_INSTALL_PREFIX0" == "/opt/rocm-"* ]] ; then
+        update-alternatives --install "/opt/rocm" "rocm" "@CPACK_PACKAGING_INSTALL_PREFIX@" "$altscore"
+    fi
+
     for loc in "/usr/share/modules/modulefiles" "/usr/local/Modules/modulefiles" "/usr/share/Modules/modulefiles"
     do
        if [ -d "$loc" ]
        then
            mkdir -p "$loc/rocm"
-           update-alternatives --install "$loc/rocm/@ROCM_VERSION@" "rocmmod@ROCM_VERSION@" "@CPACK_PACKAGING_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@/rocmmod" "$altscore"
+           if [[ "$DISTRIB_ID" == "Ubuntu" ]] ; then
+               update-alternatives --install "$loc/rocm/@ROCM_VERSION@" "rocmmod@ROCM_VERSION@" "@CPACK_PACKAGING_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@/rocmmod" "$altscore"
+           else
+               update-alternatives --install "$loc/rocm/@ROCM_VERSION@" "rocmmod@ROCM_VERSION@" "$RPM_INSTALL_PREFIX0/@CMAKE_INSTALL_LIBDIR@/rocmmod" "$altscore"
+           fi
            break;
        fi
     done

projects/rocm-core/rocm-core.prerm

@@ -4,8 +4,15 @@ do_update_alternatives(){
     # skip update if program doesn't exist
     command -v update-alternatives >/dev/null || return 0
     # Update the /opt/rocm symlink
-    update-alternatives --remove "rocm" "@CPACK_PACKAGING_INSTALL_PREFIX@"
-    update-alternatives --remove "rocmmod@ROCM_VERSION@" "@CPACK_PACKAGING_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@/rocmmod"|| true
+    if [[ "$DISTRIB_ID" == "Ubuntu" ]] || [[ "$RPM_INSTALL_PREFIX0" == "/opt/rocm-"* ]] ; then
+        update-alternatives --remove "rocm" "@CPACK_PACKAGING_INSTALL_PREFIX@"
+    fi
+
+    if [[ "$DISTRIB_ID" == "Ubuntu" ]] ; then
+        update-alternatives --remove "rocmmod@ROCM_VERSION@" "@CPACK_PACKAGING_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@/rocmmod"|| true
+    else
+        update-alternatives --remove "rocmmod@ROCM_VERSION@" "$RPM_INSTALL_PREFIX0/@CMAKE_INSTALL_LIBDIR@/rocmmod"|| true
+    fi
 }
 
 if [ -e /etc/lsb-release ] && source /etc/lsb-release && [ "$DISTRIB_ID" = "Ubuntu" ]