From fc29f87dcc44cb1cfb44d86c78f97a8ead7c977e Mon Sep 17 00:00:00 2001
From: LLVM Packaging Team <pkg-llvm-team@lists.alioth.debian.org>
Date: Sun, 12 Mar 2017 08:49:18 +0000
Subject: [PATCH] fix-cmake-config-prefix

## Description: add some description
## Origin/Author: add some origin or author
## Bug: bug URL

Gbp-Pq: Name fix-cmake-config-prefix.diff
---
 cmake/modules/CMakeLists.txt | 11 +----------
 cmake/modules/Makefile       | 14 +++-----------
 2 files changed, 4 insertions(+), 21 deletions(-)

diff --git a/cmake/modules/CMakeLists.txt b/cmake/modules/CMakeLists.txt
index 5f3f2556..f734a558 100644
--- a/cmake/modules/CMakeLists.txt
+++ b/cmake/modules/CMakeLists.txt
@@ -47,16 +47,7 @@ file(COPY .
   )
 
 # Generate LLVMConfig.cmake for the install tree.
-set(LLVM_CONFIG_CODE "
-# Compute the installation prefix from this LLVMConfig.cmake file location.
-get_filename_component(LLVM_INSTALL_PREFIX \"\${CMAKE_CURRENT_LIST_FILE}\" PATH)")
-# Construct the proper number of get_filename_component(... PATH)
-# calls to compute the installation prefix.
-string(REGEX REPLACE "/" ";" _count "${LLVM_INSTALL_PACKAGE_DIR}")
-foreach(p ${_count})
-  set(LLVM_CONFIG_CODE "${LLVM_CONFIG_CODE}
-get_filename_component(LLVM_INSTALL_PREFIX \"\${LLVM_INSTALL_PREFIX}\" PATH)")
-endforeach(p)
+set(LLVM_CONFIG_CODE "set(LLVM_INSTALL_PREFIX \"${CMAKE_INSTALL_PREFIX}\")")
 set(LLVM_CONFIG_INCLUDE_DIRS "\${LLVM_INSTALL_PREFIX}/include")
 set(LLVM_CONFIG_LIBRARY_DIRS "\${LLVM_INSTALL_PREFIX}/lib\${LLVM_LIBDIR_SUFFIX}")
 set(LLVM_CONFIG_CMAKE_DIR "\${LLVM_INSTALL_PREFIX}/${LLVM_INSTALL_PACKAGE_DIR}")
diff --git a/cmake/modules/Makefile b/cmake/modules/Makefile
index abfda93b..33b13438 100644
--- a/cmake/modules/Makefile
+++ b/cmake/modules/Makefile
@@ -45,17 +45,9 @@ OBJMODS := LLVMConfig.cmake LLVMConfigVersion.cmake LLVMExports.cmake
 
 LLVM_CONFIG_CODE := \
 \# Compute the CMake directory from the LLVMConfig.cmake file location.\n\
-get_filename_component(_LLVM_CMAKE_DIR "$${CMAKE_CURRENT_LIST_FILE}" PATH)\n\
-\# Compute the installation prefix from the LLVMConfig.cmake file location.\n\
-get_filename_component(LLVM_INSTALL_PREFIX "$${CMAKE_CURRENT_LIST_FILE}" PATH)\n
-
-# Compute number of levels (typically 3 - ``share/llvm/cmake/``) to PROJ_prefix
-# from PROJ_cmake, then emit the appropriate number of calls to
-# get_filename_components(). Note this assumes there are no spaces in the
-# cmake_path_suffix variable.
-cmake_path_suffix := $(subst $(PROJ_prefix),,$(subst $(DESTDIR),,$(PROJ_cmake)))
-cmake_path_dirs := $(subst /, ,$(cmake_path_suffix))
-LLVM_CONFIG_CODE += $(foreach __not_used,$(cmake_path_dirs),get_filename_component(LLVM_INSTALL_PREFIX "$${LLVM_INSTALL_PREFIX}" PATH)\n)
+get_filename_component(_LLVM_CMAKE_DIR "$${CMAKE_CURRENT_LIST_FILE}" PATH)\n
+
+LLVM_CONFIG_CODE += set(LLVM_INSTALL_PREFIX "$(subst /,\/,$(PROJ_prefix))")\n
 
 LLVM_CONFIG_CODE += set(_LLVM_LIBRARY_DIR "$${LLVM_INSTALL_PREFIX}\/lib")
 
-- 
2.30.2