More cmake logic to improve the build

CMakeLists.txt

@@ -5,12 +5,26 @@ SET(CMAKE_COLOR_MAKEFILE ON)
 project(breakhack C)
 
 include(FindLua)
+include(FindX11)
+include(cmake/FindSDL2.cmake)
+include(cmake/FindSDL2_image.cmake)
+include(cmake/FindSDL2_mixer.cmake)
+include(cmake/FindSDL2_ttf.cmake)
+include(cmake/FindCheck.cmake)
 
 add_subdirectory(linkedlist)
 add_subdirectory(hashtable)
 
-include_directories(linkedlist
+include_directories(
+	linkedlist
+	hashtable
 	${LUA_INCLUDE_DIR}
+	${SDL2_INCLUDE_DIR}
+	${SDL2_IMAGE_INCLUDE_DIR}
+	${SDL2_MIXER_INCLUDE_DIR}
+	${SDL2_TTF_INCLUDE_DIR}
+	${X11_INCLUDE_DIR}
+	${CHECK_INCLUDE_DIR}
 	)
 
 add_definitions("-Wall")
@@ -34,18 +48,18 @@ add_executable(breakhack
 target_link_libraries(breakhack
 	linkedlist
 	hashtable
-	${LUA_LIBRARIES}
+	${LUA_LIBRARY}
-	-lSDL2
+	${SDL2_LIBRARY}
-	-lSDL2_image
+	${SDL2_IMAGE_LIBRARY}
-	-lSDL2_mixer
+	${SDL2_MIXER_LIBRARY}
-	-lSDL2_ttf
+	${SDL2_TTF_LIBRARY}
-	-lX11
+	${X11_LIBRARIES}
 	)
 
 # TESTS:
-enable_testing()
+IF (CHECK_FOUND)
-
+	enable_testing()
-add_executable(test_util EXCLUDE_FROM_ALL test/check_util src/util)
+	add_executable(test_util test/check_util src/util)
-target_compile_options(test_util PRIVATE -pthread)
+	target_link_libraries(test_util ${CHECK_LIBRARIES})
-target_link_libraries(test_util -lcheck)
+	add_test(test_util test_util)
-add_test(test_util test_util)
+ENDIF (CHECK_FOUND)

cmake/FindCheck.cmake

@@ -0,0 +1,57 @@
+# - Try to find the CHECK libraries
+#  Once done this will define
+#
+#  CHECK_FOUND - system has check
+#  CHECK_INCLUDE_DIR - the check include directory
+#  CHECK_LIBRARIES - check library
+#
+#  This configuration file for finding libcheck is originally from
+#  the opensync project. The originally was downloaded from here:
+#  opensync.org/browser/branches/3rd-party-cmake-modules/modules/FindCheck.cmake
+#
+#  Copyright (c) 2007 Daniel Gollub <dgollub@suse.de>
+#  Copyright (c) 2007 Bjoern Ricks  <b.ricks@fh-osnabrueck.de>
+#
+#  Redistribution and use is allowed according to the terms of the New
+#  BSD license.
+#  For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+INCLUDE( FindPkgConfig )
+
+# Take care about check.pc settings
+PKG_SEARCH_MODULE( CHECK check )
+
+# Look for CHECK include dir and libraries
+IF( NOT CHECK_FOUND )
+	IF ( CHECK_INSTALL_DIR )
+		MESSAGE ( STATUS "Using override CHECK_INSTALL_DIR to find check" )
+		SET ( CHECK_INCLUDE_DIR  "${CHECK_INSTALL_DIR}/include" )
+		SET ( CHECK_INCLUDE_DIRS "${CHECK_INCLUDE_DIR}" )
+		FIND_LIBRARY( CHECK_LIBRARY NAMES check PATHS "${CHECK_INSTALL_DIR}/lib" )
+		FIND_LIBRARY( COMPAT_LIBRARY NAMES compat PATHS "${CHECK_INSTALL_DIR}/lib" )
+		SET ( CHECK_LIBRARIES "${CHECK_LIBRARY}" "${COMPAT_LIBRARY}" )
+	ELSE ( CHECK_INSTALL_DIR )
+		FIND_PATH( CHECK_INCLUDE_DIR check.h )
+		FIND_LIBRARY( CHECK_LIBRARIES NAMES check )
+	ENDIF ( CHECK_INSTALL_DIR )
+
+	IF ( CHECK_INCLUDE_DIR AND CHECK_LIBRARIES )
+		SET( CHECK_FOUND 1 )
+		IF ( NOT Check_FIND_QUIETLY )
+			MESSAGE ( STATUS "Found CHECK: ${CHECK_LIBRARIES}" )
+		ENDIF ( NOT Check_FIND_QUIETLY )
+	ELSE ( CHECK_INCLUDE_DIR AND CHECK_LIBRARIES )
+		IF ( Check_FIND_REQUIRED )
+			MESSAGE( FATAL_ERROR "Could NOT find CHECK" )
+		ELSE ( Check_FIND_REQUIRED )
+			IF ( NOT Check_FIND_QUIETLY )
+				MESSAGE( STATUS "Could NOT find CHECK" )	
+			ENDIF ( NOT Check_FIND_QUIETLY )
+		ENDIF ( Check_FIND_REQUIRED )
+	ENDIF ( CHECK_INCLUDE_DIR AND CHECK_LIBRARIES )
+ENDIF( NOT CHECK_FOUND )
+
+# Hide advanced variables from CMake GUIs
+MARK_AS_ADVANCED( CHECK_INCLUDE_DIR CHECK_LIBRARIES )
+

cmake/FindSDL2.cmake

@@ -0,0 +1,163 @@
+# This module defines
+# SDL2_LIBRARY, the name of the library to link against
+# SDL2_FOUND, if false, do not try to link to SDL2
+# SDL2_INCLUDE_DIR, where to find SDL.h
+#
+# This module responds to the the flag:
+# SDL2_BUILDING_LIBRARY
+# If this is defined, then no SDL2main will be linked in because
+# only applications need main().
+# Otherwise, it is assumed you are building an application and this
+# module will attempt to locate and set the the proper link flags
+# as part of the returned SDL2_LIBRARY variable.
+#
+# Don't forget to include SDLmain.h and SDLmain.m your project for the
+# OS X framework based version. (Other versions link to -lSDL2main which
+# this module will try to find on your behalf.) Also for OS X, this
+# module will automatically add the -framework Cocoa on your behalf.
+#
+#
+# Additional Note: If you see an empty SDL2_LIBRARY_TEMP in your configuration
+# and no SDL2_LIBRARY, it means CMake did not find your SDL2 library
+# (SDL2.dll, libsdl2.so, SDL2.framework, etc).
+# Set SDL2_LIBRARY_TEMP to point to your SDL2 library, and configure again.
+# Similarly, if you see an empty SDL2MAIN_LIBRARY, you should set this value
+# as appropriate. These values are used to generate the final SDL2_LIBRARY
+# variable, but when these values are unset, SDL2_LIBRARY does not get created.
+#
+#
+# $SDL2DIR is an environment variable that would
+# correspond to the ./configure --prefix=$SDL2DIR
+# used in building SDL2.
+# l.e.galup  9-20-02
+#
+# Modified by Eric Wing.
+# Added code to assist with automated building by using environmental variables
+# and providing a more controlled/consistent search behavior.
+# Added new modifications to recognize OS X frameworks and
+# additional Unix paths (FreeBSD, etc).
+# Also corrected the header search path to follow "proper" SDL guidelines.
+# Added a search for SDL2main which is needed by some platforms.
+# Added a search for threads which is needed by some platforms.
+# Added needed compile switches for MinGW.
+#
+# On OSX, this will prefer the Framework version (if found) over others.
+# People will have to manually change the cache values of
+# SDL2_LIBRARY to override this selection or set the CMake environment
+# CMAKE_INCLUDE_PATH to modify the search paths.
+#
+# Note that the header path has changed from SDL2/SDL.h to just SDL.h
+# This needed to change because "proper" SDL convention
+# is #include "SDL.h", not <SDL2/SDL.h>. This is done for portability
+# reasons because not all systems place things in SDL2/ (see FreeBSD).
+
+#=============================================================================
+# Copyright 2003-2009 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+#  License text for the above reference.)
+
+SET(SDL2_SEARCH_PATHS
+  ~/Library/Frameworks
+  /Library/Frameworks
+  /usr/local
+  /usr
+  /sw # Fink
+  /opt/local # DarwinPorts
+  /opt/csw # Blastwave
+  /opt
+  ${SDL2_PATH}
+)
+
+FIND_PATH(SDL2_INCLUDE_DIR SDL.h
+  HINTS
+  $ENV{SDL2DIR}
+  PATH_SUFFIXES include/SDL2 include
+  PATHS ${SDL2_SEARCH_PATHS} ${SDL2_LIBRARY_TEMP}/../..
+)
+
+FIND_LIBRARY(SDL2_LIBRARY_TEMP
+  NAMES SDL2
+  HINTS
+  $ENV{SDL2DIR}
+  PATH_SUFFIXES lib64 lib
+  PATHS ${SDL2_SEARCH_PATHS} ${SDL2_INCLUDE_DIR}/../..
+)
+
+IF(NOT SDL2_BUILDING_LIBRARY)
+  IF(NOT ${SDL2_INCLUDE_DIR} MATCHES ".framework")
+    # Non-OS X framework versions expect you to also dynamically link to
+    # SDL2main. This is mainly for Windows and OS X. Other (Unix) platforms
+    # seem to provide SDL2main for compatibility even though they don't
+    # necessarily need it.
+    FIND_LIBRARY(SDL2MAIN_LIBRARY
+      NAMES SDL2main
+      HINTS
+      $ENV{SDL2DIR}
+      PATH_SUFFIXES lib64 lib
+      PATHS ${SDL2_SEARCH_PATHS}
+    )
+  ENDIF(NOT ${SDL2_INCLUDE_DIR} MATCHES ".framework")
+ENDIF(NOT SDL2_BUILDING_LIBRARY)
+
+# SDL2 may require threads on your system.
+# The Apple build may not need an explicit flag because one of the
+# frameworks may already provide it.
+# But for non-OSX systems, I will use the CMake Threads package.
+IF(NOT APPLE)
+  FIND_PACKAGE(Threads)
+ENDIF(NOT APPLE)
+
+# MinGW needs an additional library, mwindows
+# It's total link flags should look like -lmingw32 -lSDL2main -lSDL2 -lmwindows
+# (Actually on second look, I think it only needs one of the m* libraries.)
+IF(MINGW)
+  SET(MINGW32_LIBRARY mingw32 CACHE STRING "mwindows for MinGW")
+ENDIF(MINGW)
+
+IF(SDL2_LIBRARY_TEMP)
+  # For SDL2main
+  IF(NOT SDL2_BUILDING_LIBRARY)
+    IF(SDL2MAIN_LIBRARY)
+      SET(SDL2_LIBRARY_TEMP ${SDL2MAIN_LIBRARY} ${SDL2_LIBRARY_TEMP})
+    ENDIF(SDL2MAIN_LIBRARY)
+  ENDIF(NOT SDL2_BUILDING_LIBRARY)
+
+  # For OS X, SDL2 uses Cocoa as a backend so it must link to Cocoa.
+  # CMake doesn't display the -framework Cocoa string in the UI even
+  # though it actually is there if I modify a pre-used variable.
+  # I think it has something to do with the CACHE STRING.
+  # So I use a temporary variable until the end so I can set the
+  # "real" variable in one-shot.
+  IF(APPLE)
+    SET(SDL2_LIBRARY_TEMP ${SDL2_LIBRARY_TEMP} "-framework Cocoa")
+  ENDIF(APPLE)
+
+  # For threads, as mentioned Apple doesn't need this.
+  # In fact, there seems to be a problem if I used the Threads package
+  # and try using this line, so I'm just skipping it entirely for OS X.
+  IF(NOT APPLE)
+    SET(SDL2_LIBRARY_TEMP ${SDL2_LIBRARY_TEMP} ${CMAKE_THREAD_LIBS_INIT})
+  ENDIF(NOT APPLE)
+
+  # For MinGW library
+  IF(MINGW)
+    SET(SDL2_LIBRARY_TEMP ${MINGW32_LIBRARY} ${SDL2_LIBRARY_TEMP})
+  ENDIF(MINGW)
+
+  # Set the final string here so the GUI reflects the final state.
+  SET(SDL2_LIBRARY ${SDL2_LIBRARY_TEMP} CACHE STRING "Where the SDL2 Library can be found")
+  # Set the temp variable to INTERNAL so it is not seen in the CMake GUI
+  SET(SDL2_LIBRARY_TEMP "${SDL2_LIBRARY_TEMP}" CACHE INTERNAL "")
+ENDIF(SDL2_LIBRARY_TEMP)
+
+INCLUDE(FindPackageHandleStandardArgs)
+
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2 REQUIRED_VARS SDL2_LIBRARY SDL2_INCLUDE_DIR)

cmake/FindSDL2_image.cmake

@@ -0,0 +1,158 @@
+# Locate SDL2_image library
+# This module defines
+# SDL2_IMAGE_LIBRARY, the name of the library to link against
+# SDL2_IMAGE_FOUND, if false, do not try to link to SDL2_image
+# SDL2_IMAGE_INCLUDE_DIR, where to find SDL_image.h
+#
+# Additional Note: If you see an empty SDL2_IMAGE_LIBRARY_TEMP in your configuration
+# and no SDL2_IMAGE_LIBRARY, it means CMake did not find your SDL2_Image library
+# (SDL2_image.dll, libsdl2_image.so, SDL2_image.framework, etc).
+# Set SDL2_IMAGE_LIBRARY_TEMP to point to your SDL2 library, and configure again.
+# Similarly, if you see an empty SDL2MAIN_LIBRARY, you should set this value
+# as appropriate. These values are used to generate the final SDL2_IMAGE_LIBRARY
+# variable, but when these values are unset, SDL2_IMAGE_LIBRARY does not get created.
+#
+# $SDL2 is an environment variable that would
+# correspond to the ./configure --prefix=$SDL2
+# used in building SDL2.
+# l.e.galup 9-20-02
+#
+# Modified by Eric Wing.
+# Added code to assist with automated building by using environmental variables
+# and providing a more controlled/consistent search behavior.
+# Added new modifications to recognize OS X frameworks and
+# additional Unix paths (FreeBSD, etc).
+# Also corrected the header search path to follow "proper" SDL2 guidelines.
+# Added a search for SDL2main which is needed by some platforms.
+# Added a search for threads which is needed by some platforms.
+# Added needed compile switches for MinGW.
+#
+# On OSX, this will prefer the Framework version (if found) over others.
+# People will have to manually change the cache values of
+# SDL2_IMAGE_LIBRARY to override this selection or set the CMake environment
+# CMAKE_INCLUDE_PATH to modify the search paths.
+#
+# Note that the header path has changed from SDL2/SDL.h to just SDL.h
+# This needed to change because "proper" SDL2 convention
+# is #include "SDL.h", not <SDL2/SDL.h>. This is done for portability
+# reasons because not all systems place things in SDL2/ (see FreeBSD).
+#
+# Ported by Johnny Patterson. This is a literal port for SDL2 of the FindSDL.cmake
+# module with the minor edit of changing "SDL" to "SDL2" where necessary. This
+# was not created for redistribution, and exists temporarily pending official
+# SDL2 CMake modules.
+# 
+# Note that on windows this will only search for the 32bit libraries, to search
+# for 64bit change x86/i686-w64 to x64/x86_64-w64
+
+#=============================================================================
+# Copyright 2003-2009 Kitware, Inc.
+#
+# CMake - Cross Platform Makefile Generator
+# Copyright 2000-2014 Kitware, Inc.
+# Copyright 2000-2011 Insight Software Consortium
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#
+# * Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# * Neither the names of Kitware, Inc., the Insight Software Consortium,
+# nor the names of their contributors may be used to endorse or promote
+# products derived from this software without specific prior written
+# permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+# License text for the above reference.)
+
+FIND_PATH(SDL2_IMAGE_INCLUDE_DIR SDL_image.h
+	HINTS
+	${SDL2}
+	$ENV{SDL2}
+	$ENV{SDL2_IMAGE}
+	PATH_SUFFIXES include/SDL2 include SDL2
+	i686-w64-mingw32/include/SDL2
+	x86_64-w64-mingw32/include/SDL2
+	PATHS
+	~/Library/Frameworks
+	/Library/Frameworks
+	/usr/local/include/SDL2
+	/usr/include/SDL2
+	/sw # Fink
+	/opt/local # DarwinPorts
+	/opt/csw # Blastwave
+	/opt
+)
+
+# Lookup the 64 bit libs on x64
+IF(CMAKE_SIZEOF_VOID_P EQUAL 8)
+	FIND_LIBRARY(SDL2_IMAGE_LIBRARY_TEMP
+		NAMES SDL2_image
+		HINTS
+		${SDL2}
+		$ENV{SDL2}
+		$ENV{SDL2_IMAGE}
+		PATH_SUFFIXES lib64 lib
+		lib/x64
+		x86_64-w64-mingw32/lib
+		PATHS
+		/sw
+		/opt/local
+		/opt/csw
+		/opt
+	)
+# On 32bit build find the 32bit libs
+ELSE(CMAKE_SIZEOF_VOID_P EQUAL 8)
+	FIND_LIBRARY(SDL2_IMAGE_LIBRARY_TEMP
+		NAMES SDL2_image
+		HINTS
+		${SDL2}
+		$ENV{SDL2}
+		$ENV{SDL2_IMAGE}
+		PATH_SUFFIXES lib
+		lib/x86
+		i686-w64-mingw32/lib
+		PATHS
+		/sw
+		/opt/local
+		/opt/csw
+		/opt
+	)
+ENDIF(CMAKE_SIZEOF_VOID_P EQUAL 8)
+
+SET(SDL2_IMAGE_FOUND "NO")
+	IF(SDL2_IMAGE_LIBRARY_TEMP)
+	# Set the final string here so the GUI reflects the final state.
+	SET(SDL2_IMAGE_LIBRARY ${SDL2_IMAGE_LIBRARY_TEMP} CACHE STRING "Where the SDL2_image Library can be found")
+	# Set the temp variable to INTERNAL so it is not seen in the CMake GUI
+	SET(SDL2_IMAGE_LIBRARY_TEMP "${SDL2_IMAGE_LIBRARY_TEMP}" CACHE INTERNAL "")
+	SET(SDL2_IMAGE_FOUND "YES")
+ENDIF(SDL2_IMAGE_LIBRARY_TEMP)
+
+INCLUDE(FindPackageHandleStandardArgs)
+
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_IMAGE REQUIRED_VARS SDL2_IMAGE_LIBRARY SDL2_IMAGE_INCLUDE_DIR)
+

cmake/FindSDL2_mixer.cmake

@@ -0,0 +1,109 @@
+# - Locate SDL_mixer library
+# This module defines:
+#  SDL2_MIXER_LIBRARIES, the name of the library to link against
+#  SDL2_MIXER_INCLUDE_DIRS, where to find the headers
+#  SDL2_MIXER_FOUND, if false, do not try to link against
+#  SDL2_MIXER_VERSION_STRING - human-readable string containing the version of SDL_mixer
+#
+# For backward compatiblity the following variables are also set:
+#  SDLMIXER_LIBRARY (same value as SDL2_MIXER_LIBRARIES)
+#  SDLMIXER_INCLUDE_DIR (same value as SDL2_MIXER_INCLUDE_DIRS)
+#  SDLMIXER_FOUND (same value as SDL2_MIXER_FOUND)
+#
+# $SDLDIR is an environment variable that would
+# correspond to the ./configure --prefix=$SDLDIR
+# used in building SDL.
+#
+# Created by Eric Wing. This was influenced by the FindSDL.cmake
+# module, but with modifications to recognize OS X frameworks and
+# additional Unix paths (FreeBSD, etc).
+
+#=============================================================================
+# Copyright 2005-2009 Kitware, Inc.
+# Copyright 2012 Benjamin Eikel
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+#  License text for the above reference.)
+
+if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+  set(SDL2_ARCH_64 TRUE)
+  set(SDL2_PROCESSOR_ARCH "x64")
+else()
+  set(SDL2_ARCH_64 FALSE)
+  set(SDL2_PROCESSOR_ARCH "x86")
+endif(CMAKE_SIZEOF_VOID_P EQUAL 8)
+
+SET(SDL2_SEARCH_PATHS
+	~/Library/Frameworks
+	/Library/Frameworks
+	/usr/local
+	/usr
+	/sw # Fink
+	/opt/local # DarwinPorts
+	/opt/csw # Blastwave
+	/opt
+)
+
+if(NOT SDL2_MIXER_INCLUDE_DIR AND SDL2MIXER_INCLUDE_DIR)
+  set(SDL2_MIXER_INCLUDE_DIR ${SDL2MIXER_INCLUDE_DIR} CACHE PATH "directory cache
+entry initialized from old variable name")
+endif()
+find_path(SDL2_MIXER_INCLUDE_DIR SDL_mixer.h
+  HINTS
+    ENV SDL2MIXERDIR
+    ENV SDL2DIR
+  PATH_SUFFIXES include include/SDL2
+  PATHS ${SDL2_SEARCH_PATHS}
+)
+
+if(NOT SDL2_MIXER_LIBRARY AND SDL2MIXER_LIBRARY)
+  set(SDL2_MIXER_LIBRARY ${SDL2MIXER_LIBRARY} CACHE FILEPATH "file cache entry
+initialized from old variable name")
+endif()
+find_library(SDL2_MIXER_LIBRARY
+  NAMES SDL2_mixer
+  HINTS
+    ENV SDL2MIXERDIR
+    ENV SDL2DIR
+  PATH_SUFFIXES lib64 lib lib/${SDL2_PROCESSOR_ARCH}
+  PATHS ${SDL2_SEARCH_PATHS}
+)
+
+if(SDL2_MIXER_INCLUDE_DIR AND EXISTS "${SDL2_MIXER_INCLUDE_DIR}/SDL_mixer.h")
+  file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL_mixer.h" SDL2_MIXER_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_MIXER_MAJOR_VERSION[ \t]+[0-9]+$")
+  file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL_mixer.h" SDL2_MIXER_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_MIXER_MINOR_VERSION[ \t]+[0-9]+$")
+  file(STRINGS "${SDL2_MIXER_INCLUDE_DIR}/SDL_mixer.h" SDL2_MIXER_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_MIXER_PATCHLEVEL[ \t]+[0-9]+$")
+  string(REGEX REPLACE "^#define[ \t]+SDL_MIXER_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_MAJOR "${SDL2_MIXER_VERSION_MAJOR_LINE}")
+  string(REGEX REPLACE "^#define[ \t]+SDL_MIXER_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_MINOR "${SDL2_MIXER_VERSION_MINOR_LINE}")
+  string(REGEX REPLACE "^#define[ \t]+SDL_MIXER_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_MIXER_VERSION_PATCH "${SDL2_MIXER_VERSION_PATCH_LINE}")
+  set(SDL2_MIXER_VERSION_STRING ${SDL2_MIXER_VERSION_MAJOR}.${SDL2_MIXER_VERSION_MINOR}.${SDL2_MIXER_VERSION_PATCH})
+  unset(SDL2_MIXER_VERSION_MAJOR_LINE)
+  unset(SDL2_MIXER_VERSION_MINOR_LINE)
+  unset(SDL2_MIXER_VERSION_PATCH_LINE)
+  unset(SDL2_MIXER_VERSION_MAJOR)
+  unset(SDL2_MIXER_VERSION_MINOR)
+  unset(SDL2_MIXER_VERSION_PATCH)
+endif()
+
+set(SDL2_MIXER_LIBRARIES ${SDL2_MIXER_LIBRARY})
+set(SDL2_MIXER_INCLUDE_DIRS ${SDL2_MIXER_INCLUDE_DIR})
+
+include(FindPackageHandleStandardArgs)
+
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_mixer
+                                  REQUIRED_VARS SDL2_MIXER_LIBRARIES SDL2_MIXER_INCLUDE_DIRS
+                                  VERSION_VAR SDL2_MIXER_VERSION_STRING)
+
+# for backward compatiblity
+set(SDL2MIXER_LIBRARY ${SDL2_MIXER_LIBRARIES})
+set(SDL2MIXER_INCLUDE_DIR ${SDL2_MIXER_INCLUDE_DIRS})
+set(SDL2MIXER_FOUND ${SDL2_MIXER_FOUND})
+
+mark_as_advanced(SDL2_MIXER_LIBRARY SDL2_MIXER_INCLUDE_DIR)

cmake/FindSDL2_ttf.cmake

@@ -0,0 +1,84 @@
+# - Locate SDL2_ttf library (modified from Cmake's FindSDL_ttf.cmake)
+# This module defines:
+#  SDL2_TTF_LIBRARIES, the name of the library to link against
+#  SDL2_TTF_INCLUDE_DIRS, where to find the headers
+#  SDL2_TTF_FOUND, if false, do not try to link against
+#  SDL2_TTF_VERSION_STRING - human-readable string containing the version of SDL2_ttf
+#
+# For backward compatiblity the following variables are also set:
+#  SDL2TTF_LIBRARY (same value as SDL2_TTF_LIBRARIES)
+#  SDL2TTF_INCLUDE_DIR (same value as SDL2_TTF_INCLUDE_DIRS)
+#  SDL2TTF_FOUND (same value as SDL2_TTF_FOUND)
+#
+# $SDLDIR is an environment variable that would
+# correspond to the ./configure --prefix=$SDLDIR
+# used in building SDL.
+#
+#=============================================================================
+# Copyright 2000-2014 Kitware, Inc.
+# Copyright 2000-2011 Insight Software Consortium
+# Copyright 2014 Justin Jacobs
+# All rights reserved.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+
+if(NOT SDL2_TTF_INCLUDE_DIR AND SDL2TTF_INCLUDE_DIR)
+  set(SDL2_TTF_INCLUDE_DIR ${SDL2TTF_INCLUDE_DIR} CACHE PATH "directory cache
+entry initialized from old variable name")
+endif()
+find_path(SDL2_TTF_INCLUDE_DIR SDL_ttf.h
+  HINTS
+    ENV SDLTTFDIR
+    ENV SDLDIR
+  PATH_SUFFIXES include/SDL2 include
+)
+
+if(NOT SDL2_TTF_LIBRARY AND SDL2TTF_LIBRARY)
+  set(SDL2_TTF_LIBRARY ${SDLTTF_LIBRARY} CACHE FILEPATH "file cache entry
+initialized from old variable name")
+endif()
+find_library(SDL2_TTF_LIBRARY
+  NAMES SDL2_ttf
+  HINTS
+    ENV SDLTTFDIR
+    ENV SDLDIR
+  PATH_SUFFIXES lib
+)
+
+if(SDL2_TTF_INCLUDE_DIR AND EXISTS "${SDL2_TTF_INCLUDE_DIR}/SDL_ttf.h")
+  file(STRINGS "${SDL2_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL2_TTF_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_TTF_MAJOR_VERSION[ \t]+[0-9]+$")
+  file(STRINGS "${SDL2_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL2_TTF_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_TTF_MINOR_VERSION[ \t]+[0-9]+$")
+  file(STRINGS "${SDL2_TTF_INCLUDE_DIR}/SDL_ttf.h" SDL2_TTF_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_TTF_PATCHLEVEL[ \t]+[0-9]+$")
+  string(REGEX REPLACE "^#define[ \t]+SDL_TTF_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_TTF_VERSION_MAJOR "${SDL2_TTF_VERSION_MAJOR_LINE}")
+  string(REGEX REPLACE "^#define[ \t]+SDL_TTF_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_TTF_VERSION_MINOR "${SDL2_TTF_VERSION_MINOR_LINE}")
+  string(REGEX REPLACE "^#define[ \t]+SDL_TTF_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_TTF_VERSION_PATCH "${SDL2_TTF_VERSION_PATCH_LINE}")
+  set(SDL2_TTF_VERSION_STRING ${SDL2_TTF_VERSION_MAJOR}.${SDL2_TTF_VERSION_MINOR}.${SDL2_TTF_VERSION_PATCH})
+  unset(SDL2_TTF_VERSION_MAJOR_LINE)
+  unset(SDL2_TTF_VERSION_MINOR_LINE)
+  unset(SDL2_TTF_VERSION_PATCH_LINE)
+  unset(SDL2_TTF_VERSION_MAJOR)
+  unset(SDL2_TTF_VERSION_MINOR)
+  unset(SDL2_TTF_VERSION_PATCH)
+endif()
+
+set(SDL2_TTF_LIBRARIES ${SDL2_TTF_LIBRARY})
+set(SDL2_TTF_INCLUDE_DIRS ${SDL2_TTF_INCLUDE_DIR})
+
+include(FindPackageHandleStandardArgs)
+
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_ttf
+                                  REQUIRED_VARS SDL2_TTF_LIBRARIES SDL2_TTF_INCLUDE_DIRS
+                                  VERSION_VAR SDL2_TTF_VERSION_STRING)
+
+# for backward compatiblity
+set(SDL2TTF_LIBRARY ${SDL2_TTF_LIBRARIES})
+set(SDL2TTF_INCLUDE_DIR ${SDL2_TTF_INCLUDE_DIRS})
+set(SDL2TTF_FOUND ${SDL2_TTF_FOUND})
+
+mark_as_advanced(SDL2_TTF_LIBRARY SDL2_TTF_INCLUDE_DIR)

hashtable/CMakeLists.txt

@@ -2,14 +2,20 @@ cmake_minimum_required (VERSION 3.2.0)
 
 SET(CMAKE_COLOR_MAKEFILE ON)
 
+include("../cmake/FindCheck.cmake")
+
 project(hashtable C)
 
 add_definitions("-Wall")
 
 add_library(hashtable hashtable.c)
 
-enable_testing()
+include_directories(${CHECK_INCLUDE_DIR})
-add_executable(test_table EXCLUDE_FROM_ALL check_hashtable hashtable)
+
-target_compile_options(test_table PRIVATE -pthread)
+if (CHECK_FOUND)
-target_link_libraries(test_table -lcheck)
+	enable_testing()
-add_test(test_table test_table)
+	add_executable(test_table check_hashtable hashtable)
+	target_compile_options(test_table PRIVATE -pthread)
+	target_link_libraries(test_table ${CHECK_LIBRARIES})
+	add_test(test_table test_table)
+endif (CHECK_FOUND)

hashtable/check_hashtable.c

@@ -5,8 +5,7 @@
 START_TEST(test_hashtable_create)
 {
 	Hashtable *table = ht_create(10);
-	ck_assert( table->size == 10 );
+	ck_assert( table != NULL && table->size == 10 );
-	ck_assert( table != NULL );
 	ht_destroy(table);
 }
 END_TEST

linkedlist/CMakeLists.txt

@@ -2,14 +2,20 @@ cmake_minimum_required (VERSION 3.2.0)
 
 SET(CMAKE_COLOR_MAKEFILE ON)
 
+include("../cmake/FindCheck.cmake")
+
 project(linkedlist C)
 
 add_definitions("-Wall")
 
 add_library(linkedlist linkedlist.c)
 
-enable_testing()
+include_directories(${CHECK_INCLUDE_DIR})
-add_executable(test_list EXCLUDE_FROM_ALL check_linkedlist linkedlist)
+
-target_compile_options(test_list PRIVATE -pthread)
+if (CHECK_FOUND)
-target_link_libraries(test_list -lcheck)
+	enable_testing()
-add_test(test_list test_list)
+	add_executable(test_list check_linkedlist linkedlist)
+	target_compile_options(test_list PRIVATE -pthread)
+	target_link_libraries(test_list ${CHECK_LIBRARIES})
+	add_test(test_list test_list)
+endif (CHECK_FOUND)