From c98e050515718d9e46c36921407f0d4cf036dd94 Mon Sep 17 00:00:00 2001
From: Christophe Giboudeaux <krop@users.noreply.github.com>
Date: Tue, 6 Mar 2018 17:21:15 +0100
Subject: [PATCH] Fix pkgconfig file for absolute paths (#347)

When building fluidsynth, we can use relative or absolute paths for LIB_INSTALL_DIR and INCLUDE_INSTALL_DIR. Check whether the two vars were defined absolute before writing fluidsynth.pc.

Fixes https://bugzilla.opensuse.org/1084081
---
 CMakeLists.txt | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 975eb83..07d64e5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -461,8 +461,16 @@ add_subdirectory ( doc )
 # pkg-config support
 set ( prefix "${CMAKE_INSTALL_PREFIX}" )
 set ( exec_prefix "\${prefix}" )
-set ( libdir "\${exec_prefix}/${LIB_INSTALL_DIR}" )
-set ( includedir "\${prefix}/${INCLUDE_INSTALL_DIR}" )
+if ( IS_ABSOLUTE "${LIB_INSTALL_DIR}" )
+  set ( libdir "${LIB_INSTALL_DIR}" )
+else ()
+  set ( libdir "\${exec_prefix}/${LIB_INSTALL_DIR}" )
+endif ()
+if ( IS_ABSOLUTE "${INCLUDE_INSTALL_DIR}" )
+  set ( includedir "${INCLUDE_INSTALL_DIR}" )
+else ()
+  set ( includedir "\${prefix}/${INCLUDE_INSTALL_DIR}" )
+endif ()
 configure_file ( fluidsynth.pc.in
 	${CMAKE_BINARY_DIR}/fluidsynth.pc IMMEDIATE @ONLY )
 install ( FILES ${CMAKE_BINARY_DIR}/fluidsynth.pc
-- 
2.13.6