From 52b4c3988313f8f4875ff6d12236c0b6120bb46f Mon Sep 17 00:00:00 2001
From: Michał Górny <mgorny@gentoo.org>
Date: Sat, 1 Oct 2016 08:59:20 +0200
Subject: sys-devel/llvm: Backport uncond wrapper install to 3.9.0

---
 sys-devel/llvm/llvm-3.9.0.ebuild | 76 +++++++++++++++++-----------------------
 1 file changed, 33 insertions(+), 43 deletions(-)

(limited to 'sys-devel')

diff --git a/sys-devel/llvm/llvm-3.9.0.ebuild b/sys-devel/llvm/llvm-3.9.0.ebuild
index a5269d33ce38..8ead13ed6220 100644
--- a/sys-devel/llvm/llvm-3.9.0.ebuild
+++ b/sys-devel/llvm/llvm-3.9.0.ebuild
@@ -426,18 +426,6 @@ src_install() {
 	)
 
 	if use clang; then
-		# note: magic applied in multilib_src_install()!
-		CLANG_VERSION=${PV%.*}
-
-		MULTILIB_CHOST_TOOLS+=(
-			/usr/bin/clang
-			/usr/bin/clang++
-			/usr/bin/clang-cl
-			/usr/bin/clang-${CLANG_VERSION}
-			/usr/bin/clang++-${CLANG_VERSION}
-			/usr/bin/clang-cl-${CLANG_VERSION}
-		)
-
 		MULTILIB_WRAPPED_HEADERS+=(
 			/usr/include/clang/Config/config.h
 		)
@@ -445,29 +433,11 @@ src_install() {
 
 	multilib-minimal_src_install
 
-	# Remove unnecessary headers on FreeBSD, bug #417171
-	if use kernel_FreeBSD && use clang; then
-		rm "${ED}"usr/lib/clang/${PV}/include/{std,float,iso,limits,tgmath,varargs}*.h || die
-	fi
-}
-
-multilib_src_install() {
-	cmake-utils_src_install
-
-	if multilib_is_native_abi; then
-		# Symlink the gold plugin.
-		if use gold; then
-			dodir "/usr/${CHOST}/binutils-bin/lib/bfd-plugins"
-			dosym "../../../../$(get_libdir)/LLVMgold.so" \
-				"/usr/${CHOST}/binutils-bin/lib/bfd-plugins/LLVMgold.so"
-		fi
-	fi
-
-	# apply CHOST and CLANG_VERSION to clang executables
-	# they're statically linked so we don't have to worry about the lib
 	if use clang; then
+		# Apply CHOST and version suffix to clang tools
+		local clang_version=${PV%.*}
 		local clang_tools=( clang clang++ clang-cl )
-		local i
+		local abi i
 
 		# cmake gives us:
 		# - clang-X.Y
@@ -477,24 +447,44 @@ multilib_src_install() {
 		# - clang-X.Y
 		# - clang++-X.Y, clang-cl-X.Y -> clang-X.Y
 		# - clang, clang++, clang-cl -> clang*-X.Y
-		# so we need to fix the two tools
+		# also in CHOST variant
 		for i in "${clang_tools[@]:1}"; do
 			rm "${ED%/}/usr/bin/${i}" || die
-			dosym "clang-${CLANG_VERSION}" "/usr/bin/${i}-${CLANG_VERSION}"
-			dosym "${i}-${CLANG_VERSION}" "/usr/bin/${i}"
+			dosym "clang-${clang_version}" "/usr/bin/${i}-${clang_version}"
+			dosym "${i}-${clang_version}" "/usr/bin/${i}"
 		done
 
-		# now prepend ${CHOST} and let the multilib-build.eclass symlink it
-		if ! multilib_is_native_abi; then
-			# non-native? let's replace it with a simple wrapper
+		# now create wrappers for all supported ABIs
+		for abi in $(get_all_abis); do
+			local abi_flags=$(get_abi_CFLAGS "${abi}")
+			local abi_chost=$(get_abi_CHOST "${abi}")
 			for i in "${clang_tools[@]}"; do
-				rm "${ED%/}/usr/bin/${i}-${CLANG_VERSION}" || die
-				cat > "${T}"/wrapper.tmp <<-_EOF_
+				cat > "${T}"/wrapper.tmp <<-_EOF_ || die
 					#!${EPREFIX}/bin/sh
-					exec "${i}-${CLANG_VERSION}" $(get_abi_CFLAGS) "\${@}"
+					exec "${i}-${clang_version}" ${abi_flags} "\${@}"
 				_EOF_
-				newbin "${T}"/wrapper.tmp "${i}-${CLANG_VERSION}"
+				newbin "${T}"/wrapper.tmp "${abi_chost}-${i}-${clang_version}"
+				dosym "${abi_chost}-${i}-${clang_version}" \
+					"/usr/bin/${abi_chost}-${i}"
 			done
+		done
+	fi
+
+	# Remove unnecessary headers on FreeBSD, bug #417171
+	if use kernel_FreeBSD && use clang; then
+		rm "${ED}"usr/lib/clang/${PV}/include/{std,float,iso,limits,tgmath,varargs}*.h || die
+	fi
+}
+
+multilib_src_install() {
+	cmake-utils_src_install
+
+	if multilib_is_native_abi; then
+		# Symlink the gold plugin.
+		if use gold; then
+			dodir "/usr/${CHOST}/binutils-bin/lib/bfd-plugins"
+			dosym "../../../../$(get_libdir)/LLVMgold.so" \
+				"/usr/${CHOST}/binutils-bin/lib/bfd-plugins/LLVMgold.so"
 		fi
 	fi
 }
-- 
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