[patch] multilib-build.eclass: rewrite symlinks in MULTILIB_CHOST_TOOLS

multilib-build-symlink-rewriting.patch (text/plain), 1.53 KB, created by Michał Górny on 2014-03-28 11:50:16 UTC

Index: multilib-build.eclass
===================================================================
RCS file: /var/cvsroot/gentoo-x86/eclass/multilib-build.eclass,v
retrieving revision 1.27
diff -u -B -r1.27 multilib-build.eclass
--- multilib-build.eclass	16 Jan 2014 20:05:12 -0000	1.27
+++ multilib-build.eclass	28 Mar 2014 11:49:39 -0000
@@ -244,8 +244,13 @@
 # and the native variant will be symlinked to the generic name.
 #
 # This variable has to be a bash array. Paths shall be relative to
-# installation root (${ED}), and name regular files. Recursive wrapping
-# is not supported.
+# installation root (${ED}), and name regular files or symbolic
+# links to regular files. Recursive wrapping is not supported.
+#
+# If symbolic link is passed, both symlink path and symlink target
+# will be changed. As a result, the symlink target is expected
+# to be wrapped as well (either by listing in MULTILIB_CHOST_TOOLS
+# or externally).
 #
 # Please note that tool wrapping is *discouraged*. It is preferred to
 # install pkg-config files for each ABI, and require reverse
@@ -368,6 +373,18 @@
 		local dir=${f%/*}
 		local fn=${f##*/}
 
+		if [[ -L ${root}/${f} ]]; then
+			# rewrite the symlink target
+			local target=$(readlink "${root}/${f}")
+			local target_dir
+			local target_fn=${target##*/}
+
+			[[ ${target} == */* ]] && target_dir=${target%/*}
+
+			ln -f -s "${target_dir+${target_dir}/}${CHOST}-${target_fn}" \
+				"${root}/${f}" || die
+		fi
+
 		mv "${root}/${f}" "${root}/${dir}/${CHOST}-${fn}" || die
 
 		# symlink the native one back