clang-cross: Create <cross>-clang binary copy instead of symlink

With clang cleanup in [1] we ended up removing this logic, which
is still required.

This ensures that search path for subsequent tools e.g. linker
assembler are searched in the same dir where <cross>-clang is
installed. If its a symlink to ../clang then the reference
installation dir is ../ and all cross-tools are not there
so clang will fail to find assembler/linker from cross staging
area and use /usr/bin/ld or /usr/bin/as  which we do not want

[1] https://git.openembedded.org/openembedded-core/commit/meta/recipes-devtools/clang/clang-cross_git.bb?id=5d96ed55acf7b9a908241222097ad809355de7cf

(From OE-Core rev: 3b0128fe6421e64674fd250e0b4e6afb1c8ce436)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Cc: Ross Burton <ross.burton@arm.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/meta/recipes-devtools/clang/clang-cross_git.bb b/meta/recipes-devtools/clang/clang-cross_git.bb
index 33b01e4234..2ec15dd1df 100644
--- a/meta/recipes-devtools/clang/clang-cross_git.bb
+++ b/meta/recipes-devtools/clang/clang-cross_git.bb
@@ -15,7 +15,7 @@ DEPENDS = "clang-native virtual/cross-binutils ${@bb.utils.contains('DISTRO_FEAT
 
 do_install() {
         install -d ${D}${bindir}
-        for tool in clang clang++ clang-tidy lld ld.lld llvm-profdata \
+        for tool in clang-tidy lld ld.lld llvm-profdata \
             llvm-nm llvm-ar llvm-as llvm-ranlib llvm-strip llvm-objcopy llvm-objdump llvm-readelf \
             llvm-addr2line llvm-dwp llvm-size llvm-strings llvm-cov
         do
@@ -23,4 +23,10 @@ do_install() {
                         ln -sf ../$tool ${D}${bindir}/${TARGET_PREFIX}$tool
                 fi
         done
+        # GNU Linker and assembler is needed in same directory as clang binaries else
+        # it will fallback to host linker which is not desired
+        install -m 0755 ${STAGING_BINDIR_NATIVE}/clang ${D}${bindir}/${TARGET_PREFIX}clang
+        ln -sf ${TARGET_PREFIX}clang ${D}${bindir}/${TARGET_PREFIX}clang++
 }
+# clang driver being copied above is already stripped
+INHIBIT_SYSROOT_STRIP = "1"