From 8ffb27ab09ff567a159e5be5a243fd3967084977 Mon Sep 17 00:00:00 2001 From: Kelly Rauchenberger Date: Sun, 3 Feb 2019 16:10:44 -0500 Subject: Very basic ECS --- cmake/FindSDL2.cmake | 254 +++++++++++++++++++++++++++++++++++++++++++++ cmake/FindSDL2_Image.cmake | 98 +++++++++++++++++ 2 files changed, 352 insertions(+) create mode 100644 cmake/FindSDL2.cmake create mode 100644 cmake/FindSDL2_Image.cmake (limited to 'cmake') diff --git a/cmake/FindSDL2.cmake b/cmake/FindSDL2.cmake new file mode 100644 index 0000000..f9ebcf3 --- /dev/null +++ b/cmake/FindSDL2.cmake @@ -0,0 +1,254 @@ +# Locate SDL2 library +# 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 SDL2_main 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 SDL2main.h and SDL2main.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. +# +# +# $SDL2 is an environment variable that would +# correspond to the ./configure --prefix=$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_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 . 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_INCLUDE_DIR SDL.h + HINTS + ${SDL2} + $ENV{SDL2} + 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_LIBRARY_TEMP SDL2 + HINTS + ${SDL2} + $ENV{SDL2} + 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_LIBRARY_TEMP SDL2 + HINTS + ${SDL2} + $ENV{SDL2} + PATH_SUFFIXES lib + lib/x86 + i686-w64-mingw32/lib + PATHS + /sw + /opt/local + /opt/csw + /opt + ) +ENDIF(CMAKE_SIZEOF_VOID_P EQUAL 8) + +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. + # Lookup the 64 bit libs on x64 + IF(CMAKE_SIZEOF_VOID_P EQUAL 8) + FIND_LIBRARY(SDL2MAIN_LIBRARY + NAMES SDL2main + HINTS + ${SDL2} + $ENV{SDL2} + 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(SDL2MAIN_LIBRARY + NAMES SDL2main + HINTS + ${SDL2} + $ENV{SDL2} + PATH_SUFFIXES lib + lib/x86 + i686-w64-mingw32/lib + PATHS + /sw + /opt/local + /opt/csw + /opt + ) + ENDIF(CMAKE_SIZEOF_VOID_P EQUAL 8) + 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) + +SET(SDL2_FOUND "NO") + 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 "") + + SET(SDL2_FOUND "YES") +ENDIF(SDL2_LIBRARY_TEMP) + +INCLUDE(FindPackageHandleStandardArgs) + +FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2 REQUIRED_VARS SDL2_LIBRARY SDL2_INCLUDE_DIR) diff --git a/cmake/FindSDL2_Image.cmake b/cmake/FindSDL2_Image.cmake new file mode 100644 index 0000000..c08375f --- /dev/null +++ b/cmake/FindSDL2_Image.cmake @@ -0,0 +1,98 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#.rst: +# FindSDL2_image +# ------------- +# +# Locate SDL2_image library +# +# This module defines: +# +# :: +# +# SDL2_IMAGE_LIBRARIES, the name of the library to link against +# SDL2_IMAGE_INCLUDE_DIRS, where to find the headers +# SDL2_IMAGE_FOUND, if false, do not try to link against +# SDL2_IMAGE_VERSION_STRING - human-readable string containing the +# version of SDL_image +# +# +# +# For backward compatibility the following variables are also set: +# +# :: +# +# SDL2IMAGE_LIBRARY (same value as SDL_IMAGE_LIBRARIES) +# SDL2IMAGE_INCLUDE_DIR (same value as SDL_IMAGE_INCLUDE_DIRS) +# SDL2IMAGE_FOUND (same value as SDL_IMAGE_FOUND) +# +# +# +# $SDL2DIR is an environment variable that would correspond to the +# ./configure --prefix=$SDL2DIR 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). + +if(NOT SDL2_IMAGE_INCLUDE_DIR AND SDL2IMAGE_INCLUDE_DIR) + set(SDL2_IMAGE_INCLUDE_DIR ${SDL2IMAGE_INCLUDE_DIR} CACHE PATH "directory cache entry initialized from old variable name") +endif() +find_path(SDL2_IMAGE_INCLUDE_DIR SDL_image.h + HINTS + ENV SDL2IMAGEDIR + ENV SDL2DIR + ${SDL2_DIR} + PATH_SUFFIXES SDL2 + # path suffixes to search inside ENV{SDL2DIR} + include/SDL2 include +) + +if(CMAKE_SIZEOF_VOID_P EQUAL 8) + set(VC_LIB_PATH_SUFFIX lib/x64) +else() + set(VC_LIB_PATH_SUFFIX lib/x86) +endif() + +if(NOT SDL2_IMAGE_LIBRARY AND SDL2IMAGE_LIBRARY) + set(SDL2_IMAGE_LIBRARY ${SDL2IMAGE_LIBRARY} CACHE FILEPATH "file cache entry initialized from old variable name") +endif() +find_library(SDL2_IMAGE_LIBRARY + NAMES SDL2_image + HINTS + ENV SDL2IMAGEDIR + ENV SDL2DIR + ${SDL2_DIR} + PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX} +) + +if(SDL2_IMAGE_INCLUDE_DIR AND EXISTS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h") + file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL2_IMAGE_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+[0-9]+$") + file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL2_IMAGE_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+[0-9]+$") + file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL_image.h" SDL2_IMAGE_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+[0-9]+$") + string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_MAJOR "${SDL_IMAGE_VERSION_MAJOR_LINE}") + string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_MINOR "${SDL_IMAGE_VERSION_MINOR_LINE}") + string(REGEX REPLACE "^#define[ \t]+SDL_IMAGE_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_PATCH "${SDL_IMAGE_VERSION_PATCH_LINE}") + set(SDL2_IMAGE_VERSION_STRING ${SDL2_IMAGE_VERSION_MAJOR}.${SDL2_IMAGE_VERSION_MINOR}.${SDL2_IMAGE_VERSION_PATCH}) + unset(SDL2_IMAGE_VERSION_MAJOR_LINE) + unset(SDL2_IMAGE_VERSION_MINOR_LINE) + unset(SDL2_IMAGE_VERSION_PATCH_LINE) + unset(SDL2_IMAGE_VERSION_MAJOR) + unset(SDL2_IMAGE_VERSION_MINOR) + unset(SDL2_IMAGE_VERSION_PATCH) +endif() + +set(SDL2_IMAGE_LIBRARIES ${SDL2_IMAGE_LIBRARY}) +set(SDL2_IMAGE_INCLUDE_DIRS ${SDL2_IMAGE_INCLUDE_DIR}) + +FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_image + REQUIRED_VARS SDL2_IMAGE_LIBRARIES SDL2_IMAGE_INCLUDE_DIRS + VERSION_VAR SDL2_IMAGE_VERSION_STRING) + +# for backward compatibility +set(SDL2IMAGE_LIBRARY ${SDL2_IMAGE_LIBRARIES}) +set(SDL2IMAGE_INCLUDE_DIR ${SDL2_IMAGE_INCLUDE_DIRS}) +set(SDL2IMAGE_FOUND ${SDL2_IMAGE_FOUND}) + +mark_as_advanced(SDL2_IMAGE_LIBRARY SDL2_IMAGE_INCLUDE_DIR) -- cgit 1.4.1