From b9fff5b405751881f36a75b0e05b9355df327e2f Mon Sep 17 00:00:00 2001
From: Thorsten Alteholz <debian@alteholz.de>
Date: Sun, 3 Jun 2018 16:19:38 +0200
Subject: [PATCH] enable multiarch build by means of GNUInstallDirs

This patch is taken from the osmo-fl2k debian package.
---
 CMakeLists.txt     | 4 +++-
 src/CMakeLists.txt | 6 ++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b6bcb5b..5fb110f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,6 +22,8 @@
 cmake_minimum_required(VERSION 2.6)
 project(libosmo-fl2k C)
 
+include(GNUInstallDirs)
+
 #select the release build type by default to get optimization flags
 if(NOT CMAKE_BUILD_TYPE)
    set(CMAKE_BUILD_TYPE "Release")
@@ -157,7 +159,7 @@ CONFIGURE_FILE(
 
 INSTALL(
     FILES ${CMAKE_CURRENT_BINARY_DIR}/libosmo-fl2k.pc
-    DESTINATION ${LIB_INSTALL_DIR}/pkgconfig
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
 )
 
 ########################################################################
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 1d788de..f63780a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -15,6 +15,8 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+include(GNUInstallDirs)
+
 MACRO(LIBFL2K_APPEND_SRCS)
     LIST(APPEND libosmo-fl2k_srcs ${ARGV})
 ENDMACRO(LIBFL2K_APPEND_SRCS)
@@ -124,7 +126,7 @@ endif()
 # Install built library files & utilities
 ########################################################################
 install(TARGETS ${INSTALL_TARGETS}
-    LIBRARY DESTINATION ${LIB_INSTALL_DIR} # .so/.dylib file
-    ARCHIVE DESTINATION ${LIB_INSTALL_DIR} # .lib file
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} # .so/.dylib file
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} # .lib file
     RUNTIME DESTINATION bin              # .dll file
 )