From 2650bb3bd3644784359be373252b0436873ca8cb Mon Sep 17 00:00:00 2001
From: Pascal Bach <pascal.bach@siemens.com>
Date: Fri, 28 Sep 2018 16:44:37 +0200
Subject: [PATCH] Make resulting cmake config relocatable

This change avoids hardcoded install prefix in the p8-platform-config.cmake.
Especially important when doing cross compilation with Yocto for example.

Upstream-Status: Submitted [https://github.com/Pulse-Eight/platform/pull/38]

---
 CMakeLists.txt              |  4 ----
 p8-platform-config.cmake.in | 13 +++++++++----
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7144b0b..f2db66e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,10 +22,6 @@ if(WIN32)
                    src/windows/os-threads.cpp)
 endif()
 
-set(p8-platform_INCLUDE_DIRS "${CMAKE_INSTALL_PREFIX}/include/p8-platform")
-IF(WIN32)
-  LIST(APPEND p8-platform_INCLUDE_DIRS "${CMAKE_INSTALL_PREFIX}/include/p8-platform/windows")
-ENDIF(WIN32)
 set(p8-platform_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
 
 if(NOT ${CORE_SYSTEM_NAME} STREQUAL "")
diff --git a/p8-platform-config.cmake.in b/p8-platform-config.cmake.in
index 47f30f1..b08e96c 100644
--- a/p8-platform-config.cmake.in
+++ b/p8-platform-config.cmake.in
@@ -9,17 +9,22 @@
 #  p8-platform_LIBRARY_DIRS - directories in which the libraries are situated
 #
 # propagate these properties from one build system to the other
+get_filename_component(_p8-platform_rootdir ${CMAKE_CURRENT_LIST_DIR}/../ ABSOLUTE)
+
 set (p8-platform_VERSION "@p8-platform_VERSION_MAJOR@.@p8-platform_VERSION_MINOR@")
-set (p8-platform_INCLUDE_DIRS @p8-platform_INCLUDE_DIRS@ @CMAKE_INSTALL_PREFIX@/include)
-set (p8-platform_LIBRARY_DIRS "@CMAKE_LIBRARY_OUTPUT_DIRECTORY@")
+set (p8-platform_INCLUDE_DIRS "${_p8-platform_rootdir}/include" "${_p8-platform_rootdir}/include/p8-platform")
+if(WIN32)
+  list(APPEND p8-platform_INCLUDE_DIRS "${_p8-platform_rootdir}/include/p8-platform/windows")
+endif(WIN32)
+set (p8-platform_LIBRARY_DIRS "${_p8-platform_rootdir}")
 set (p8-platform_LINKER_FLAGS "@p8-platform_LINKER_FLAGS@")
 set (p8-platform_CONFIG_VARS "@p8-platform_CONFIG_VARS@")
 
 # libraries come from the build tree where this file was generated
 if(WIN32)
-  set (p8-platform_LIBRARY "@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@/p8-platform.lib")
+  set (p8-platform_LIBRARY "${_p8-platform_rootdir}/p8-platform.lib")
 else(WIN32)
-  set (p8-platform_LIBRARY "-L@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@ -lp8-platform")
+  set (p8-platform_LIBRARY "-L${_p8-platform_rootdir} -lp8-platform")
 endif(WIN32)
 set (p8-platform_LIBRARIES ${p8-platform_LIBRARY} "@p8-platform_LIBRARIES@")
 mark_as_advanced (p8-platform_LIBRARY)
-- 
2.11.0