From f917113c344f18ce0c5e5accc28c7013a38e5a3c Mon Sep 17 00:00:00 2001
From: Dmitry Marakasov <amdmi3@amdmi3.ru>
Date: Fri, 21 Apr 2017 14:37:54 +0300
Subject: [PATCH] Enable optional static library for standalone build

Fixes #89
---
 .travis.yml    |  5 +++++
 CMakeLists.txt | 21 ++++++++++++++-------
 README.md      |  1 +
 3 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index a8e7e46..7779dd9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,8 @@ matrix:
       env: CXXSTD=c++11
     - compiler: clang
       env: CXXSTD=c++1y BUILD_NOOPTLIBS=yes
+    - compiler: clang
+      env: CXXSTD=c++1y BUILD_STATIC=yes
 before_install:
   - sudo apt-get update -qq
   - sudo apt-get install -qq cmake libsdl2-dev cppcheck doxygen pulseaudio
@@ -26,6 +28,9 @@ before_install:
     else
         sudo apt-get install -qq libsdl2-image-dev libsdl2-ttf-dev libsdl2-mixer-dev
     fi
+    if [ -n "${BUILD_STATIC}" ]; then
+        export CMAKE_EXTRA_ARGS="${CMAKE_EXTRA_ARGS} -DSDL2PP_STATIC=YES"
+    fi
 
   # evironment for live tests
   - dbus-launch pulseaudio --start
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c3b43c8..fd29157 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -208,19 +208,26 @@ ENDIF(SDL2PP_WITH_MIXER)
 INCLUDE(GenerateExportHeader)
 
 IF(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
+	# options
+	OPTION(SDL2PP_WITH_EXAMPLES "Build examples" ON)
+	OPTION(SDL2PP_WITH_TESTS "Build tests" ON)
+	OPTION(SDL2PP_ENABLE_LIVE_TESTS "Enable live tests (require X11 display and audio device)" ON)
+	OPTION(SDL2PP_STATIC "Build static library instead of shared one" OFF)
+
 	# library
-	ADD_LIBRARY(SDL2pp SHARED ${LIBRARY_SOURCES} ${LIBRARY_HEADERS})
+	IF(SDL2PP_STATIC)
+		ADD_LIBRARY(SDL2pp STATIC ${LIBRARY_SOURCES} ${LIBRARY_HEADERS})
+	ELSE(SDL2PP_STATIC)
+		ADD_LIBRARY(SDL2pp SHARED ${LIBRARY_SOURCES} ${LIBRARY_HEADERS})
+		TARGET_LINK_LIBRARIES(SDL2pp ${SDL2_ALL_LIBRARIES})
+		SET_TARGET_PROPERTIES(SDL2pp PROPERTIES VERSION 8.0.0 SOVERSION 8)
+	ENDIF(SDL2PP_SHARED)
+
 	GENERATE_EXPORT_HEADER(SDL2pp EXPORT_FILE_NAME SDL2pp/Export.hh)
-	TARGET_LINK_LIBRARIES(SDL2pp ${SDL2_ALL_LIBRARIES})
-	SET_TARGET_PROPERTIES(SDL2pp PROPERTIES VERSION 8.0.0 SOVERSION 8)
 
 	SET(SDL2PP_LIBRARIES ${SDL2PP_EXTRA_LIBRARIES} SDL2pp ${SDL2_ALL_LIBRARIES})
 
 	# examples and tests
-	OPTION(SDL2PP_WITH_EXAMPLES "Build examples" ON)
-	OPTION(SDL2PP_WITH_TESTS "Build tests" ON)
-	OPTION(SDL2PP_ENABLE_LIVE_TESTS "Enable live tests (require X11 display and audio device)" ON)
-
 	IF(SDL2PP_WITH_EXAMPLES)
 		ADD_SUBDIRECTORY(examples)
 	ENDIF(SDL2PP_WITH_EXAMPLES)
diff --git a/README.md b/README.md
index 8da78fb..f41762b 100644
--- a/README.md
+++ b/README.md
@@ -160,6 +160,7 @@ Following variables may be supplied to CMake to affect build:
 * ```SDL2PP_CXXSTD``` - override C++ standard (default C++11). With C++1y some additional features are enabled such as usage of [[deprecated]] attribute and using stock experimental/optional from C++ standard library
 * ```SDL2PP_WITH_EXAMPLES``` - enable building example programs (only for standalone build, default ON)
 * ```SDL2PP_WITH_TESTS``` - enable building tests (only for standalone build, default ON)
+* ```SDL2PP_STATIC``` - build static library instead of shared (only for standalone build, default OFF)
 * ```SDL2PP_ENABLE_LIVE_TESTS``` - enable tests which require X11 and/or audio device to run (only for standalone build, default ON)
 
 ## Installation ##