diff --git a/.gitignore b/.gitignore index 6ff02e3..af9292d 100644 --- a/.gitignore +++ b/.gitignore @@ -13,6 +13,8 @@ Game/blockattack* cmake_install.cmake CMake* -CMakeLists.txt +CPack* +Makefile source/manual/ -source/manual/block_attack_manual.tex man/blockattack.6.gz diff --git a/CMakeLists.txt b/CMakeLists.txt index 5ac982c..33cfe28 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -3,6 +3,10 @@ project (blockattack) set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${blockattack_SOURCE_DIR}/source/misc/cmake") set(BIN_DIR ${blockattack_SOURCE_DIR}/Game) +# Define install paths +set(INSTALL_BINARY_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE STRING "Install executable in this directory") +set(INSTALL_DATA_DIR "${CMAKE_INSTALL_PREFIX}/share/blockattack" CACHE STRING "Install data to this directory") +set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE STRING "Install the man page to this directory") #Compiler options set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -std=c++11") @@ -15,11 +19,25 @@ set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE} -O2") find_package(SDL2 REQUIRED) include_directories(${SDL2_INCLUDE_DIR}) + +find_package(PkgConfig REQUIRED) +pkg_search_module(SDL2MIXER REQUIRED SDL2_mixer) +pkg_search_module(SDL2IMAGE REQUIRED SDL2_image) +pkg_search_module(SDL2TTF REQUIRED SDL2_ttf) +#string(REPLACE ";" " " SDL2EXTRA_LDFLAGS "${SDL2EXTRA_LDFLAGS}") +#string(REPLACE ";" " " SDL2EXTRA_LIBRARIES "${SDL2EXTRA_LIBRARIES}") +#string(REPLACE ";" " " SDL2MIXER_LDFLAGS "${SDL2MIXER_LDFLAGS}") +#string(REPLACE ";" " " SDL2IMAGE_LIBRARIES "${SDL2IMAGE_LIBRARIES}") +#string(REPLACE ";" " " SDL2TTF_LIBRARIES "${SDL2TTF_LIBRARIES}") +#SET( CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${SDL2MIXER_LDFLAGS}" ) + file(GLOB SOURCES "source/code/*.cpp" "source/code/*/*.cpp") #I am still trying to get BlockGame to compile as a source file list(REMOVE_ITEM SOURCES "${blockattack_SOURCE_DIR}/source/code/BlockGame.cpp") message("${SOURCES}") +message("${CMAKE_EXE_LINKER_FLAGS}") add_executable(blockattack ${SOURCES}) target_link_libraries( blockattack ${SDL2_LIBRARY}) -target_link_libraries( blockattack SDL2_image SDL2_mixer SDL2_ttf physfs jsoncpp) +target_link_libraries( blockattack physfs jsoncpp) +target_link_libraries( blockattack ${SDL2MIXER_LIBRARIES} ${SDL2IMAGE_LIBRARIES} ${SDL2TTF_LIBRARIES}) set_target_properties( blockattack PROPERTIES RUNTIME_OUTPUT_DIRECTORY Game) diff --git a/README.md b/README.md index 9b90f6c..56d89b6 100644 --- a/README.md +++ b/README.md @@ -8,7 +8,6 @@ A Tetris Attack Clone under the GPL. * libSDL2_image * libSDL2_mixer * libSDL2_ttf - * libenet * libphysfs * libboost (only needed for compiling) * libutfcpp (only needed for compiling) @@ -18,14 +17,22 @@ A Tetris Attack Clone under the GPL. The only supported build method is using the Makefile To build do: ``` -cd source/code +cmake . make ``` The result should be in the "Game"-folder. To run ``` -cd ../../Game -./blockattack +cd ./Game/blockattack ``` +Windows build uses MXE (mxe.cc) with these installed: +``` +sdl2 sdl2_image sdl2_mixer sdl2_ttf physfs jsoncpp libtool gettext freetype zlib boost +``` +and libutfcpp copied from "source/misc/travis_help/utf8_v2_3_4/source/" to "/path/to/mxe/usr/lib/gcc/i686-w64-mingw32.static/4.9.3/include" - +Compiled with: +``` +i686-w64-mingw32.static-cmake --debug-output . && make +``` +As of 2016-01-17 the Windows version crashes but it will work eventually diff --git a/source/misc/cmake/FindSDL2.cmake b/source/misc/cmake/FindSDL2.cmake index f5e5ae0..9aedb00 100644 --- a/source/misc/cmake/FindSDL2.cmake +++ b/source/misc/cmake/FindSDL2.cmake @@ -1,256 +1,46 @@ -# 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) +# - Try to find SDL2 +# Once done, this will define +# +# SDL2_FOUND - system has SDL2 +# SDL2_INCLUDE_DIRS - the SDL2 include directories +# SDL2_LIBRARIES - link these to use SDL2 +# SDL2_SDL_LIBRARY - only libSDL2 +# SDL2_SDLmain_LIBRARY - only libSDL2main +# SDL2_SOURCES - add this in the source file list of your target (hack for OSX) +# +# See documentation on how to write CMake scripts at +# http://www.cmake.org/Wiki/CMake:How_To_Find_Libraries + +include(LibFindMacros) +libfind_pkg_detect(SDL2 sdl2 FIND_PATH SDL.h PATH_SUFFIXES SDL2 FIND_LIBRARY SDL2) + +# Process others than OSX with native SDL normally +if(NOT "${SDL2_SDL_LIBRARY}" MATCHES "framework") + if(MINGW) + set(MINGW32_LIBRARY mingw32) + set(SDL2_PROCESS_LIBS ${SDL2_PROCESS_LIBS} MINGW32_LIBRARY) + endif() + find_library(SDL2_SDLmain_LIBRARY + NAMES libSDL2main.a SDL2main + HINTS ${SDL2_PKGCONF_LIBRARY_DIRS} + ) + if (SDL2_SDLmain_LIBRARY) + set(SDL2_PROCESS_LIBS ${SDL2_PROCESS_LIBS} SDL2_SDLmain_LIBRARY) + endif() + set(SDL2_PROCESS_LIBS ${SDL2_PROCESS_LIBS} SDL2_SDL_LIBRARY) +endif() + +libfind_process(SDL2) + +# Special processing for OSX native SDL +if("${SDL2_SDL_LIBRARY}" MATCHES "SDL.framework") + set(SDL2_SOURCES "osx/SDLmain.m") + set(SDL2_LIBRARIES "-framework SDL2") +endif() + +# All OSX versions need Cocoa +if(APPLE) + set(SDL2_LIBRARIES ${SDL2_LIBRARIES} "-framework Cocoa") +endif(APPLE) diff --git a/source/misc/cmake/LibFindMacros.cmake b/source/misc/cmake/LibFindMacros.cmake new file mode 100644 index 0000000..f253ffb --- /dev/null +++ b/source/misc/cmake/LibFindMacros.cmake @@ -0,0 +1,267 @@ +# Version 2.2 +# Public Domain, originally written by Lasse Kärkkäinen +# Maintained at https://github.com/Tronic/cmake-modules +# Please send your improvements as pull requests on Github. + +# Find another package and make it a dependency of the current package. +# This also automatically forwards the "REQUIRED" argument. +# Usage: libfind_package( [extra args to find_package]) +macro (libfind_package PREFIX PKG) + set(${PREFIX}_args ${PKG} ${ARGN}) + if (${PREFIX}_FIND_REQUIRED) + set(${PREFIX}_args ${${PREFIX}_args} REQUIRED) + endif() + find_package(${${PREFIX}_args}) + set(${PREFIX}_DEPENDENCIES ${${PREFIX}_DEPENDENCIES};${PKG}) + unset(${PREFIX}_args) +endmacro() + +# A simple wrapper to make pkg-config searches a bit easier. +# Works the same as CMake's internal pkg_check_modules but is always quiet. +macro (libfind_pkg_check_modules) + find_package(PkgConfig QUIET) + if (PKG_CONFIG_FOUND) + pkg_check_modules(${ARGN} QUIET) + endif() +endmacro() + +# Avoid useless copy&pasta by doing what most simple libraries do anyway: +# pkg-config, find headers, find library. +# Usage: libfind_pkg_detect( FIND_PATH [other args] FIND_LIBRARY [other args]) +# E.g. libfind_pkg_detect(SDL2 sdl2 FIND_PATH SDL.h PATH_SUFFIXES SDL2 FIND_LIBRARY SDL2) +function (libfind_pkg_detect PREFIX) + # Parse arguments + set(argname pkgargs) + foreach (i ${ARGN}) + if ("${i}" STREQUAL "FIND_PATH") + set(argname pathargs) + elseif ("${i}" STREQUAL "FIND_LIBRARY") + set(argname libraryargs) + else() + set(${argname} ${${argname}} ${i}) + endif() + endforeach() + if (NOT pkgargs) + message(FATAL_ERROR "libfind_pkg_detect requires at least a pkg_config package name to be passed.") + endif() + # Find library + libfind_pkg_check_modules(${PREFIX}_PKGCONF ${pkgargs}) + if (pathargs) + find_path(${PREFIX}_INCLUDE_DIR NAMES ${pathargs} HINTS ${${PREFIX}_PKGCONF_INCLUDE_DIRS}) + endif() + if (libraryargs) + find_library(${PREFIX}_LIBRARY NAMES ${libraryargs} HINTS ${${PREFIX}_PKGCONF_LIBRARY_DIRS}) + endif() +endfunction() + +# Extracts a version #define from a version.h file, output stored to _VERSION. +# Usage: libfind_version_header(Foobar foobar/version.h FOOBAR_VERSION_STR) +# Fourth argument "QUIET" may be used for silently testing different define names. +# This function does nothing if the version variable is already defined. +function (libfind_version_header PREFIX VERSION_H DEFINE_NAME) + # Skip processing if we already have a version or if the include dir was not found + if (${PREFIX}_VERSION OR NOT ${PREFIX}_INCLUDE_DIR) + return() + endif() + set(quiet ${${PREFIX}_FIND_QUIETLY}) + # Process optional arguments + foreach(arg ${ARGN}) + if (arg STREQUAL "QUIET") + set(quiet TRUE) + else() + message(AUTHOR_WARNING "Unknown argument ${arg} to libfind_version_header ignored.") + endif() + endforeach() + # Read the header and parse for version number + set(filename "${${PREFIX}_INCLUDE_DIR}/${VERSION_H}") + if (NOT EXISTS ${filename}) + if (NOT quiet) + message(AUTHOR_WARNING "Unable to find ${${PREFIX}_INCLUDE_DIR}/${VERSION_H}") + endif() + return() + endif() + file(READ "${filename}" header) + string(REGEX REPLACE ".*#[ \t]*define[ \t]*${DEFINE_NAME}[ \t]*\"([^\n]*)\".*" "\\1" match "${header}") + # No regex match? + if (match STREQUAL header) + if (NOT quiet) + message(AUTHOR_WARNING "Unable to find \#define ${DEFINE_NAME} \"\" from ${${PREFIX}_INCLUDE_DIR}/${VERSION_H}") + endif() + return() + endif() + # Export the version string + set(${PREFIX}_VERSION "${match}" PARENT_SCOPE) +endfunction() + +# Do the final processing once the paths have been detected. +# If include dirs are needed, ${PREFIX}_PROCESS_INCLUDES should be set to contain +# all the variables, each of which contain one include directory. +# Ditto for ${PREFIX}_PROCESS_LIBS and library files. +# Will set ${PREFIX}_FOUND, ${PREFIX}_INCLUDE_DIRS and ${PREFIX}_LIBRARIES. +# Also handles errors in case library detection was required, etc. +function (libfind_process PREFIX) + # Skip processing if already processed during this configuration run + if (${PREFIX}_FOUND) + return() + endif() + + set(found TRUE) # Start with the assumption that the package was found + + # Did we find any files? Did we miss includes? These are for formatting better error messages. + set(some_files FALSE) + set(missing_headers FALSE) + + # Shorthands for some variables that we need often + set(quiet ${${PREFIX}_FIND_QUIETLY}) + set(required ${${PREFIX}_FIND_REQUIRED}) + set(exactver ${${PREFIX}_FIND_VERSION_EXACT}) + set(findver "${${PREFIX}_FIND_VERSION}") + set(version "${${PREFIX}_VERSION}") + + # Lists of config option names (all, includes, libs) + unset(configopts) + set(includeopts ${${PREFIX}_PROCESS_INCLUDES}) + set(libraryopts ${${PREFIX}_PROCESS_LIBS}) + + # Process deps to add to + foreach (i ${PREFIX} ${${PREFIX}_DEPENDENCIES}) + if (DEFINED ${i}_INCLUDE_OPTS OR DEFINED ${i}_LIBRARY_OPTS) + # The package seems to export option lists that we can use, woohoo! + list(APPEND includeopts ${${i}_INCLUDE_OPTS}) + list(APPEND libraryopts ${${i}_LIBRARY_OPTS}) + else() + # If plural forms don't exist or they equal singular forms + if ((NOT DEFINED ${i}_INCLUDE_DIRS AND NOT DEFINED ${i}_LIBRARIES) OR + ({i}_INCLUDE_DIR STREQUAL ${i}_INCLUDE_DIRS AND ${i}_LIBRARY STREQUAL ${i}_LIBRARIES)) + # Singular forms can be used + if (DEFINED ${i}_INCLUDE_DIR) + list(APPEND includeopts ${i}_INCLUDE_DIR) + endif() + if (DEFINED ${i}_LIBRARY) + list(APPEND libraryopts ${i}_LIBRARY) + endif() + else() + # Oh no, we don't know the option names + message(FATAL_ERROR "We couldn't determine config variable names for ${i} includes and libs. Aieeh!") + endif() + endif() + endforeach() + + if (includeopts) + list(REMOVE_DUPLICATES includeopts) + endif() + + if (libraryopts) + list(REMOVE_DUPLICATES libraryopts) + endif() + + string(REGEX REPLACE ".*[ ;]([^ ;]*(_INCLUDE_DIRS|_LIBRARIES))" "\\1" tmp "${includeopts} ${libraryopts}") + if (NOT tmp STREQUAL "${includeopts} ${libraryopts}") + message(AUTHOR_WARNING "Plural form ${tmp} found in config options of ${PREFIX}. This works as before but is now deprecated. Please only use singular forms INCLUDE_DIR and LIBRARY, and update your find scripts for LibFindMacros > 2.0 automatic dependency system (most often you can simply remove the PROCESS variables entirely).") + endif() + + # Include/library names separated by spaces (notice: not CMake lists) + unset(includes) + unset(libs) + + # Process all includes and set found false if any are missing + foreach (i ${includeopts}) + list(APPEND configopts ${i}) + if (NOT "${${i}}" STREQUAL "${i}-NOTFOUND") + list(APPEND includes "${${i}}") + else() + set(found FALSE) + set(missing_headers TRUE) + endif() + endforeach() + + # Process all libraries and set found false if any are missing + foreach (i ${libraryopts}) + list(APPEND configopts ${i}) + if (NOT "${${i}}" STREQUAL "${i}-NOTFOUND") + list(APPEND libs "${${i}}") + else() + set (found FALSE) + endif() + endforeach() + + # Version checks + if (found AND findver) + if (NOT version) + message(WARNING "The find module for ${PREFIX} does not provide version information, so we'll just assume that it is OK. Please fix the module or remove package version requirements to get rid of this warning.") + elseif (version VERSION_LESS findver OR (exactver AND NOT version VERSION_EQUAL findver)) + set(found FALSE) + set(version_unsuitable TRUE) + endif() + endif() + + # If all-OK, hide all config options, export variables, print status and exit + if (found) + foreach (i ${configopts}) + mark_as_advanced(${i}) + endforeach() + if (NOT quiet) + message(STATUS "Found ${PREFIX} ${${PREFIX}_VERSION}") + if (LIBFIND_DEBUG) + message(STATUS " ${PREFIX}_DEPENDENCIES=${${PREFIX}_DEPENDENCIES}") + message(STATUS " ${PREFIX}_INCLUDE_OPTS=${includeopts}") + message(STATUS " ${PREFIX}_INCLUDE_DIRS=${includes}") + message(STATUS " ${PREFIX}_LIBRARY_OPTS=${libraryopts}") + message(STATUS " ${PREFIX}_LIBRARIES=${libs}") + endif() + set (${PREFIX}_INCLUDE_OPTS ${includeopts} PARENT_SCOPE) + set (${PREFIX}_LIBRARY_OPTS ${libraryopts} PARENT_SCOPE) + set (${PREFIX}_INCLUDE_DIRS ${includes} PARENT_SCOPE) + set (${PREFIX}_LIBRARIES ${libs} PARENT_SCOPE) + set (${PREFIX}_FOUND TRUE PARENT_SCOPE) + endif() + return() + endif() + + # Format messages for debug info and the type of error + set(vars "Relevant CMake configuration variables:\n") + foreach (i ${configopts}) + mark_as_advanced(CLEAR ${i}) + set(val ${${i}}) + if ("${val}" STREQUAL "${i}-NOTFOUND") + set (val "") + elseif (val AND NOT EXISTS ${val}) + set (val "${val} (does not exist)") + else() + set(some_files TRUE) + endif() + set(vars "${vars} ${i}=${val}\n") + endforeach() + set(vars "${vars}You may use CMake GUI, cmake -D or ccmake to modify the values. Delete CMakeCache.txt to discard all values and force full re-detection if necessary.\n") + if (version_unsuitable) + set(msg "${PREFIX} ${${PREFIX}_VERSION} was found but") + if (exactver) + set(msg "${msg} only version ${findver} is acceptable.") + else() + set(msg "${msg} version ${findver} is the minimum requirement.") + endif() + else() + if (missing_headers) + set(msg "We could not find development headers for ${PREFIX}. Do you have the necessary dev package installed?") + elseif (some_files) + set(msg "We only found some files of ${PREFIX}, not all of them. Perhaps your installation is incomplete or maybe we just didn't look in the right place?") + if(findver) + set(msg "${msg} This could also be caused by incompatible version (if it helps, at least ${PREFIX} ${findver} should work).") + endif() + else() + set(msg "We were unable to find package ${PREFIX}.") + endif() + endif() + + # Fatal error out if REQUIRED + if (required) + set(msg "REQUIRED PACKAGE NOT FOUND\n${msg} This package is REQUIRED and you need to install it or adjust CMake configuration in order to continue building ${CMAKE_PROJECT_NAME}.") + message(FATAL_ERROR "${msg}\n${vars}") + endif() + # Otherwise just print a nasty warning + if (NOT quiet) + message(WARNING "WARNING: MISSING PACKAGE\n${msg} This package is NOT REQUIRED and you may ignore this warning but by doing so you may miss some functionality of ${CMAKE_PROJECT_NAME}. \n${vars}") + endif() +endfunction() + +