From e3c0b0045343dedd79554a5c31b5ef5276f938bb Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <anonymous.maarten@gmail.com>
Date: Fri, 1 Jun 2018 17:46:13 +0200
Subject: [PATCH] cmake: use GNUInstallDirs for install paths + install
 everything (optionally)

---
 CMakeLists.txt          | 10 +++++-----
 cmake_options.cmake     |  3 +--
 rwengine/CMakeLists.txt |  7 +++++++
 rwgame/CMakeLists.txt   |  4 +++-
 rwlib/CMakeLists.txt    |  7 +++++++
 rwviewer/CMakeLists.txt |  2 +-
 tests/CMakeLists.txt    |  4 ++++
 7 files changed, 28 insertions(+), 9 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1d48276e..3e33d9f9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,6 +2,8 @@ cmake_minimum_required(VERSION 3.2.2)
 
 project(OpenRW)
 
+include(GNUInstallDirs)
+
 # Read the configuration arguments
 include("${PROJECT_SOURCE_DIR}/cmake_options.cmake")
 
@@ -38,11 +40,9 @@ if(BUILD_TESTS)
 endif()
 
 # Copy the license to the install directory
-if(CMAKE_SYSTEM_NAME MATCHES "Linux|FreeBSD")
-    install(FILES COPYING
-        DESTINATION "${DOC_DIR}"
-        )
-endif()
+install(FILES COPYING
+    DESTINATION "${CMAKE_INSTALL_DOCDIR}"
+    )
 
 # Copy the license to the build directory (for CI)
 file(COPY COPYING
diff --git a/cmake_options.cmake b/cmake_options.cmake
index 5deaf2a2..b38bd331 100644
--- a/cmake_options.cmake
+++ b/cmake_options.cmake
@@ -14,8 +14,7 @@ set_property(CACHE FAILED_CHECK_ACTION PROPERTY STRINGS "IGNORE" "ABORT" "BREAKP
 set(FILESYSTEM_LIBRARY "BOOST" CACHE STRING "Which filesystem library to use")
 set_property(CACHE FILESYSTEM_LIBRARY PROPERTY STRINGS "CXX17" "CXXTS" "BOOST")
 
-set(BIN_DIR "bin" CACHE STRING "Prefix subdirectory to put the binaries in.")
-set(DOC_DIR "share/doc/openrw" CACHE STRING "Prefix subdirectory to put the documentation in.")
+option(INSTALL_LIBS "Install rwengine libraries")
 
 if(NOT CMAKE_BUILD_TYPE)
     set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build, options are: Debug Release")
diff --git a/rwengine/CMakeLists.txt b/rwengine/CMakeLists.txt
index ddcf29e1..48115ca5 100644
--- a/rwengine/CMakeLists.txt
+++ b/rwengine/CMakeLists.txt
@@ -159,3 +159,10 @@ target_include_directories(rwengine
     )
 
 openrw_target_apply_options(TARGET rwengine)
+
+if(INSTALL_LIBS)
+    install(TARGETS rwengine
+        ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+        LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+        )
+endif()
diff --git a/rwgame/CMakeLists.txt b/rwgame/CMakeLists.txt
index 45e41842..cf871476 100644
--- a/rwgame/CMakeLists.txt
+++ b/rwgame/CMakeLists.txt
@@ -65,4 +65,6 @@ target_link_libraries(rwgame
 
 openrw_target_apply_options(TARGET rwgame)
 
-install(TARGETS rwgame RUNTIME DESTINATION "${BIN_DIR}")
+install(TARGETS rwgame
+    RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+    )
diff --git a/rwlib/CMakeLists.txt b/rwlib/CMakeLists.txt
index 29963f55..67862d61 100644
--- a/rwlib/CMakeLists.txt
+++ b/rwlib/CMakeLists.txt
@@ -64,3 +64,10 @@ target_link_libraries(rwlib
     )
 
 openrw_target_apply_options(TARGET rwlib)
+
+if(INSTALL_LIBS)
+    install(TARGETS rwlib
+        ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+        LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+        )
+endif()
diff --git a/rwviewer/CMakeLists.txt b/rwviewer/CMakeLists.txt
index 26c08c3b..48700743 100644
--- a/rwviewer/CMakeLists.txt
+++ b/rwviewer/CMakeLists.txt
@@ -35,5 +35,5 @@ target_link_libraries(rwviewer
 openrw_target_apply_options(TARGET rwviewer)
 
 install(TARGETS rwviewer
-    RUNTIME DESTINATION "${BIN_DIR}"
+    RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
     )
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index b54889f1..99ec944a 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -114,3 +114,7 @@ else()
             TIMEOUT 300
         )
 endif()
+
+install(TARGETS rwtests
+    RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+    )