From f105595f04b0be26435df64f3e5b22fbf0c8c46c Mon Sep 17 00:00:00 2001
From: Eugene Shalygin <eugene.shalygin@gmail.com>
Date: Tue, 13 Mar 2018 18:22:26 +0100
Subject: [PATCH] Use proper lib directory when installing on UNIX

Linux distributions use lib, lib32, and lib64 directories for library files,
symlinking them where needed. Let's follow distirbution rules by
utilising CMake module GNUInstallDirs.
---
 CMakeLists.txt | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 85188b3..741e41e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,6 +2,8 @@ cmake_minimum_required( VERSION 3.0.2 )
 
 project( date_prj )
 
+include( GNUInstallDirs )
+
 find_package( Threads REQUIRED )
 
 option( USE_SYSTEM_TZ_DB "Use the operating system's timezone database" OFF )
@@ -92,12 +94,15 @@ target_include_directories(date_interface INTERFACE
 if(WIN32 AND NOT CYGWIN)
     set(DEF_INSTALL_CMAKE_DIR CMake)
 else()
-    set(DEF_INSTALL_CMAKE_DIR lib/cmake/date)
+    set(DEF_INSTALL_CMAKE_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/date)
 endif()
 
 install( TARGETS date_interface EXPORT dateConfig )
 install( EXPORT dateConfig DESTINATION ${DEF_INSTALL_CMAKE_DIR} )
-install( TARGETS tz DESTINATION lib )
+install( TARGETS tz
+	ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+	LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+	RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})  # This is for Windows
 install( DIRECTORY ${HEADER_FOLDER}/ DESTINATION include/ )
 
 if ( ENABLE_DATE_TESTING )