Added cmake modules to make packaging easier.

CMakeLists.txt

@@ -1,13 +1,12 @@
 PROJECT(meandmyshadow)
 CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
-
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
 
 Find_Package(SDL REQUIRED)
 Find_Package(SDL_ttf REQUIRED)
 Find_Package(SDL_image REQUIRED)
 Find_Package(SDL_mixer REQUIRED)
-Set(SDLGFX_LIBRARY SDL_gfx)
-Set(SDLGFX_INCLUDE_DIR ${SDL_INCLUDE_DIR}/SDL_gfx)
+Find_Package(SDL_gfx REQUIRED)
 Find_Package(CURL REQUIRED)
 Find_Package(LibArchive REQUIRED)
 
@@ -31,6 +30,10 @@ if ( NOT SDLMIXER_FOUND )
     message(FATAL_ERROR "SDL_mixer not found !")
 endif ( NOT SDLMIXER_FOUND )
 
+if ( NOT SDLGFX_FOUND )
+    message(FATAL_ERROR "SDL_gfx not found !")
+endif ( NOT SDLGFX_FOUND )
+
 if ( NOT CURL_FOUND )
     message(FATAL_ERROR "CURL not found !")
 endif ( NOT CURL_FOUND )

cmake/Modules/FindLibArchive.cmake

@@ -0,0 +1,66 @@
+# - Find libarchive library and headers
+# The module defines the following variables:
+#
+#  LibArchive_FOUND        - true if libarchive was found
+#  LibArchive_INCLUDE_DIRS - include search path
+#  LibArchive_LIBRARIES    - libraries to link
+#  LibArchive_VERSION      - libarchive 3-component version number
+
+#=============================================================================
+# Copyright 2010 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.)
+
+find_path(LibArchive_INCLUDE_DIR
+  NAMES archive.h
+  PATHS
+  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\LibArchive;InstallPath]/include"
+  )
+
+find_library(LibArchive_LIBRARY
+  NAMES archive libarchive
+  PATHS
+  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\LibArchive;InstallPath]/lib"
+  )
+
+mark_as_advanced(LibArchive_INCLUDE_DIR LibArchive_LIBRARY)
+
+# Extract the version number from the header.
+if(LibArchive_INCLUDE_DIR AND EXISTS "${LibArchive_INCLUDE_DIR}/archive.h")
+  # The version string appears in one of two known formats in the header:
+  #  #define ARCHIVE_LIBRARY_VERSION "libarchive 2.4.12"
+  #  #define ARCHIVE_VERSION_STRING "libarchive 2.8.4"
+  # Match either format.
+  set(_LibArchive_VERSION_REGEX "^#define[ \t]+ARCHIVE[_A-Z]+VERSION[_A-Z]*[ \t]+\"libarchive +([0-9]+)\\.([0-9]+)\\.([0-9]+)[^\"]*\".*$")
+  file(STRINGS "${LibArchive_INCLUDE_DIR}/archive.h" _LibArchive_VERSION_STRING LIMIT_COUNT 1 REGEX "${_LibArchive_VERSION_REGEX}")
+  if(_LibArchive_VERSION_STRING)
+    string(REGEX REPLACE "${_LibArchive_VERSION_REGEX}" "\\1.\\2.\\3" LibArchive_VERSION "${_LibArchive_VERSION_STRING}")
+  endif()
+  unset(_LibArchive_VERSION_REGEX)
+  unset(_LibArchive_VERSION_STRING)
+endif()
+
+# Handle the QUIETLY and REQUIRED arguments and set LIBARCHIVE_FOUND
+# to TRUE if all listed variables are TRUE.
+# (Use ${CMAKE_ROOT}/Modules instead of ${CMAKE_CURRENT_LIST_DIR} because CMake
+#  itself includes this FindLibArchive when built with an older CMake that does
+#  not provide it.  The older CMake also does not have CMAKE_CURRENT_LIST_DIR.)
+include(${CMAKE_ROOT}/Modules/FindPackageHandleStandardArgs.cmake)
+find_package_handle_standard_args(LibArchive DEFAULT_MSG
+  LibArchive_LIBRARY LibArchive_INCLUDE_DIR
+  )
+set(LibArchive_FOUND ${LIBARCHIVE_FOUND})
+unset(LIBARCHIVE_FOUND)
+
+if(LibArchive_FOUND)
+  set(LibArchive_INCLUDE_DIRS ${LibArchive_INCLUDE_DIR})
+  set(LibArchive_LIBRARIES    ${LibArchive_LIBRARY})
+endif()

cmake/Modules/FindSDL_gfx.cmake

@@ -0,0 +1,102 @@
+# Locate SDL_mixer library
+# This module defines
+# SDLGFX_LIBRARY, the name of the library to link against
+# SDLGFX_FOUND, if false, do not try to link to SDL
+# SDLGFX_INCLUDE_DIR, where to find SDL/SDL.h
+#
+# $SDLDIR is an environment variable that would
+# correspond to the ./configure --prefix=$SDLDIR
+# used in building SDL.
+#
+# Created by Guillaume Chevallereau. This was influenced by the FindSDL.cmake
+# module.
+
+#=============================================================================
+# Copyright 2005-2009 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.)
+
+FIND_PATH(SDLGFX_INCLUDE_DIR SDL_gfx.h
+  HINTS
+  $ENV{SDLGFXDIR}
+  $ENV{SDLDIR}
+  PATH_SUFFIXES include
+  PATHS
+  ~/Library/Frameworks
+  /Library/Frameworks
+  /usr/local/include/SDL
+  /usr/include/SDL
+  /usr/local/include/SDL12
+  /usr/local/include/SDL11 # FreeBSD ports
+  /usr/include/SDL12
+  /usr/include/SDL11
+  /usr/local/include
+  /usr/include
+  /sw/include/SDL # Fink
+  /sw/include
+  /opt/local/include/SDL # DarwinPorts
+  /opt/local/include
+  /opt/csw/include/SDL # Blastwave
+  /opt/csw/include
+  /opt/include/SDL
+  /opt/include
+)
+
+FIND_LIBRARY(SDLGFX_LIBRARY
+  NAMES SDL_gfx
+  HINTS
+  $ENV{SDLGFXDIR}
+  $ENV{SDLDIR}
+  PATH_SUFFIXES lib64 lib
+  PATHS
+  ~/Library/Frameworks
+  /Library/Frameworks
+  /usr/local
+  /usr
+  /sw
+  /opt/local
+  /opt/csw
+  /opt
+)
+
+IF(NOT SDLGFX_INCLUDE_DIR)
+  FIND_PATH(SDLGFX_INCLUDE_DIR SDL_gfxPrimitives.h
+    HINTS
+    $ENV{SDLGFXDIR}
+    $ENV{SDLDIR}
+    PATH_SUFFIXES include
+    PATHS
+    ~/Library/Frameworks
+    /Library/Frameworks
+    /usr/local/include/SDL
+    /usr/include/SDL
+    /usr/local/include/SDL12
+    /usr/local/include/SDL11 # FreeBSD ports
+    /usr/include/SDL12
+    /usr/include/SDL11
+    /usr/local/include
+    /usr/include
+    /sw/include/SDL # Fink
+    /sw/include
+    /opt/local/include/SDL # DarwinPorts
+    /opt/local/include
+    /opt/csw/include/SDL # Blastwave
+    /opt/csw/include
+    /opt/include/SDL
+    /opt/include
+)
+endif(NOT SDLGFX_INCLUDE_DIR)
+
+SET(SDLGFX_FOUND "NO")
+
+IF(SDLGFX_LIBRARY AND SDLGFX_INCLUDE_DIR)
+  SET(SDLGFX_FOUND "YES")
+ENDIF(SDLGFX_LIBRARY AND SDLGFX_INCLUDE_DIR)