From 852319186a2519f7e1600d3c1b4ff9812b7ecba6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Verschelde?= <rverschelde@gmail.com>
Date: Tue, 3 Sep 2019 08:41:01 +0200
Subject: [PATCH] pkgconfig: Fix support for absolute lib and include dirs

Using GNUInstallDirs to always have an absolute path regardless of the
user input: https://cmake.org/cmake/help/latest/module/GNUInstallDirs.html
---
 CMakeLists.txt | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a2bd5092a..94edb6dc6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -273,22 +273,22 @@ endif()
 # .so version
 set_property(TARGET lcf PROPERTY SOVERSION 0)
 
+# installation
+include(GNUInstallDirs)
+
 # pkg-config file generation
 set(PACKAGE_TARNAME ${PROJECT_NAME})
 set(PACKAGE_VERSION ${PROJECT_VERSION})
 set(prefix "${CMAKE_INSTALL_PREFIX}")
 set(exec_prefix "\${prefix}")
-set(libdir "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}")
-set(includedir "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
+set(libdir "${CMAKE_INSTALL_FULL_LIBDIR}")
+set(includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
 string(REPLACE ";" " " AX_PACKAGE_REQUIRES_PRIVATE "${LIBLCF_DEPS}")
 configure_file(builds/${PROJECT_NAME}.pc.in builds/${PROJECT_NAME}.pc @ONLY)
 
 # Cmake-config file generation
 configure_file(builds/${PROJECT_NAME}-config.cmake.in builds/${PROJECT_NAME}-config.cmake @ONLY)
 
-# installation
-include(GNUInstallDirs)
-
 install(
 	TARGETS lcf
 	ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}