clang: Fix cmake exports not finding native binaries Issue #230

Signed-off-by: Michael Davis <michael.davis@essvote.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

2 files changed, 18 insertions, 0 deletions

diff --git a/recipes-devtools/clang/clang_git.bb b/recipes-devtools/clang/clang_git.bb
index 59d3d19..3645b4e 100644
--- a/recipes-devtools/clang/clang_git.bb
+++ b/recipes-devtools/clang/clang_git.bb
@@ -171,6 +171,19 @@ do_install() {
         rm -rf ${D}${libdir}/python*/site-packages/six.py
 }
 
+do_install_append_class-target () {
+    # Allow bin path to change based on YOCTO_ALTERNATE_EXE_PATH
+    sed -i 's;${_IMPORT_PREFIX}/bin;${_IMPORT_PREFIX_BIN};g' ${D}${libdir}/cmake/llvm/LLVMExports-release.cmake
+
+    # Insert function to populate Import Variables
+    sed -i "4i\
+if(DEFINED ENV{YOCTO_ALTERNATE_EXE_PATH})\n\
+  execute_process(COMMAND \"llvm-config\" \"--bindir\" OUTPUT_VARIABLE _IMPORT_PREFIX_BIN OUTPUT_STRIP_TRAILING_WHITESPACE)\n\
+else()\n\
+  set(_IMPORT_PREFIX_BINARY \"\${_IMPORT_PREFIX}/bin\")\n\
+endif()\n" ${D}${libdir}/cmake/llvm/LLVMExports-release.cmake
+}
+
 do_install_append_class-native () {
         install -Dm 0755 ${B}${BINPATHPREFIX}/bin/clang-tblgen ${D}${bindir}/clang-tblgen
         install -Dm 0755 ${B}${BINPATHPREFIX}/bin/lldb-tblgen ${D}${bindir}/lldb-tblgen
diff --git a/recipes-devtools/clang/llvm-common/llvm-config b/recipes-devtools/clang/llvm-common/llvm-config
index 4462896..a139514 100644
--- a/recipes-devtools/clang/llvm-common/llvm-config
+++ b/recipes-devtools/clang/llvm-common/llvm-config
@@ -18,6 +18,11 @@ if [[ $1 == "--libs" ]]; then
   exec "$NEXT_LLVM_CONFIG" $@
 fi
 
+if [[ $1 == "--bindir" ]]; then
+  unset YOCTO_ALTERNATE_EXE_PATH
+  exec "$NEXT_LLVM_CONFIG" $@
+fi
+
 for arg in "$@"; do
   case "$arg" in
     --cppflags)