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gzdoom/CMakeLists.txt
Christoph Oelckers 4cd0d3d454 - removed the Vector class in the GL renderer and replaced all its uses with FVector3. 
- optimized the math to get a plane equation from a linedef. The original code used a generic algorithm that knew nothing about the fact that Doom walls are always perfectly vertical. With this knowledge the plane calculation can be reduced to a lot less code because retrieving the normal is trivial in this special case.
- use the SSE2 rsqrtss instruction to calculate a wall's length, because this is by far the most frequent use of square roots in the GL renderer. So far this is only active on x64, it may be activated on 32 bit later as well, but only after it has been decided if 32 bit builds should be x87 or SSE2.

# Conflicts:
#	src/gl/dynlights/gl_dynlight.cpp

# Conflicts:
#	src/g_shared/a_dynlightdata.cpp
2017-03-12 19:59:45 +01:00

337 lines
13 KiB
CMake
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cmake_minimum_required( VERSION 2.8.7 )
project(GZDoom)
if( COMMAND cmake_policy )
if( POLICY CMP0011 )
cmake_policy( SET CMP0011 NEW )
endif()
if( POLICY CMP0054 )
cmake_policy( SET CMP0054 NEW )
endif()
endif()
list( APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR} )
include( CreateLaunchers )
include( FindPackageHandleStandardArgs )
# Produce a warning if XP support will be missing.
if( MSVC14 AND NOT CMAKE_GENERATOR_TOOLSET STREQUAL "v140_xp" )
message( WARNING "This project supports Windows XP (including XP x64), but you must set the optional toolset to v140_xp manually to have it in your build! Use -T \"v140_xp\" from the command prompt." )
endif()
# Support cross compiling
option( FORCE_CROSSCOMPILE "Turn on cross compiling." NO )
if( FORCE_CROSSCOMPILE )
set( CMAKE_CROSSCOMPILING TRUE )
endif()
if(CMAKE_CROSSCOMPILING)
set(IMPORT_EXECUTABLES "IMPORTFILE-NOTFOUND" CACHE FILEPATH "Export file from native build.")
include(${IMPORT_EXECUTABLES})
endif()
# Recursive function to place PK3 archive source files into a hierarchy of source file in the IDE
function( assort_pk3_source_folder FOLDER_NAME PK3_DIR )
# Assort source files into folders in the IDE
file(GLOB PK3_SRCS ${PK3_DIR}/*) # Create list of all files in this folder
foreach(PK3_SRC ${PK3_SRCS})
# If there are subfolders, recurse into them
if(IS_DIRECTORY ${PK3_SRC})
get_filename_component(DIRNAME ${PK3_SRC} NAME)
# Exclude folder from list of source files
list(REMOVE_ITEM PK3_SRCS ${PK3_SRC})
# Recurse deeper into the filesystem folder tree
assort_pk3_source_folder( ${FOLDER_NAME}\\${DIRNAME} ${PK3_SRC} )
endif()
# Assign IDE group for current top-level source files
source_group(${FOLDER_NAME} FILES ${PK3_SRCS})
endforeach()
endfunction()
# Simplify pk3 building, add_pk3(filename srcdirectory)
function( add_pk3 PK3_NAME PK3_DIR )
# message(STATUS "Creating build rule for PK3 ${PK3_NAME} ${PK3_DIR}")
# Generate target name. Just use "pk3" for main pk3 target.
string( REPLACE "." "_" PK3_TARGET ${PK3_NAME} )
if( ${PK3_TARGET} STREQUAL "zdoom_pk3" )
set( PK3_TARGET "pk3" )
endif()
if( NOT ZDOOM_OUTPUT_OLDSTYLE )
add_custom_command( OUTPUT ${ZDOOM_OUTPUT_DIR}/${PK3_NAME}
COMMAND zipdir -udf ${ZDOOM_OUTPUT_DIR}/${PK3_NAME} ${PK3_DIR}
COMMAND ${CMAKE_COMMAND} -E copy_if_different ${ZDOOM_OUTPUT_DIR}/${PK3_NAME} $<TARGET_FILE_DIR:zdoom>/${PK3_NAME}
DEPENDS zipdir )
else()
add_custom_command( OUTPUT ${ZDOOM_OUTPUT_DIR}/${PK3_NAME}
COMMAND zipdir -udf ${ZDOOM_OUTPUT_DIR}/${PK3_NAME} ${PK3_DIR}
DEPENDS zipdir )
endif()
# Create a list of source files for this PK3, for use in the IDE
# Phase 1: Create a list of all source files for this PK3 archive, except
# for a couple of strife image file names that confuse CMake.
file(GLOB_RECURSE PK3_SRCS ${PK3_DIR}/*)
# Exclude from the source list some gzdoom .png files with brackets in the
# file names here, because they confuse CMake.
# This only affects the list of source files shown in the IDE.
# It does not actually remove the files from the PK3 archive.
# First replace that toxic bracket character with something we can handle
string(REPLACE "[" confusing_bracket PK3_SRCS "${PK3_SRCS}")
string(REPLACE "]" confusing_bracket PK3_SRCS "${PK3_SRCS}")
foreach(PK3_SRC ${PK3_SRCS}) # All source files at all levels
# Exclude those quarantined source file source file names that once had a bracket
if(${PK3_SRC} MATCHES confusing_bracket)
# message(STATUS "Ignoring PK3 file name containing brackets "${PK3_SRC})
list(REMOVE_ITEM PK3_SRCS ${PK3_SRC})
endif()
endforeach()
# Phase 2: Create the PK3 build rule, including the source file list for the IDE
# Touch the zipdir executable here so that the pk3s are forced to
# rebuild each time since their dependency has "changed."
add_custom_target( ${PK3_TARGET} ALL
COMMAND ${CMAKE_COMMAND} -E touch $<TARGET_FILE:zipdir>
DEPENDS ${ZDOOM_OUTPUT_DIR}/${PK3_NAME}
SOURCES ${PK3_SRCS})
# Phase 3: Assign source files to a nice folder structure in the IDE
assort_pk3_source_folder("Source Files" ${PK3_DIR})
# Phase 4: Add the resulting PK3 to the install target.
if( WIN32 )
set( INSTALL_PK3_PATH . CACHE STRING "Directory where zdoom.pk3 will be placed during install." )
else()
set( INSTALL_PK3_PATH share/games/doom CACHE STRING "Directory where zdoom.pk3 will be placed during install." )
endif()
install(FILES "${PROJECT_BINARY_DIR}/${PK3_NAME}"
DESTINATION ${INSTALL_PK3_PATH}
COMPONENT "Game resources")
endfunction()
# Macro for building libraries without debugging information
macro( make_release_only )
set( CMAKE_C_FLAGS_MINSIZEREL ${CMAKE_C_FLAGS_RELEASE} )
set( CMAKE_C_FLAGS_RELWITHDEBINFO ${CMAKE_C_FLAGS_RELEASE} )
string( REPLACE "/MT " "/MTd " CMAKE_C_FLAGS_DEBUG ${CMAKE_C_FLAGS_RELEASE} )
set( CMAKE_CXX_FLAGS_MINSIZEREL ${CMAKE_CXX_FLAGS_RELEASE} )
set( CMAKE_CXX_FLAGS_RELWITHDEBINFO ${CMAKE_CXX_FLAGS_RELEASE} )
string( REPLACE "/MT " "/MTd " CMAKE_CXX_FLAGS_DEBUG ${CMAKE_CXX_FLAGS_RELEASE} )
endmacro()
IF( NOT CMAKE_BUILD_TYPE )
SET( CMAKE_BUILD_TYPE Debug CACHE STRING
"Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel."
FORCE )
ENDIF()
set( ZDOOM_OUTPUT_DIR ${CMAKE_BINARY_DIR} CACHE PATH "Directory where zdoom.pk3 and the executable will be created." )
set( ZDOOM_EXE_NAME "gzdoom" CACHE FILEPATH "Name of the executable to create" )
if( MSVC )
# Allow the user to use ZDOOM_OUTPUT_DIR as a single release point.
# Use zdoom, zdoomd, zdoom64, and zdoomd64 for the binary names
option( ZDOOM_OUTPUT_OLDSTYLE "Don't use Release/Debug directories." OFF )
else()
set( ZDOOM_OUTPUT_OLDSTYLE OFF )
endif()
# Replacement variables for a possible long list of C/C++ compilers compatible with GCC
if( "${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang" )
set( ZD_CMAKE_COMPILER_IS_GNUC_COMPATIBLE TRUE )
else()
set( ZD_CMAKE_COMPILER_IS_GNUC_COMPATIBLE FALSE )
endif()
if( "${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" )
set( ZD_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE TRUE )
else()
set( ZD_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE FALSE )
endif()
if( ZD_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE )
set( PROFILE 0 CACHE BOOL "Enable profiling with gprof for Debug and RelWithDebInfo build types." )
endif()
set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}")
option( NO_FMOD "Disable FMODEx sound support" OFF )
option( NO_OPENAL "Disable OpenAL sound support" OFF )
find_package( BZip2 )
find_package( JPEG )
find_package( ZLIB )
# GME
find_path( GME_INCLUDE_DIR gme/gme.h )
find_library( GME_LIBRARIES gme )
mark_as_advanced( GME_INCLUDE_DIR GME_LIBRARIES )
FIND_PACKAGE_HANDLE_STANDARD_ARGS( GME
REQUIRED_VARS GME_LIBRARIES GME_INCLUDE_DIR
)
if( MSVC )
# Eliminate unreferenced functions and data
# Perform identical COMDAT folding
set( REL_LINKER_FLAGS "/opt:ref /opt:icf /nodefaultlib:msvcrt /TSAWARE /LARGEADDRESSAWARE" )
# String pooling
# Function-level linking
# Disable run-time type information
set( ALL_C_FLAGS "/GF /Gy /GR-" )
# Use SSE 2 as minimum always as the true color drawers needs it for __vectorcall
#set( ALL_C_FLAGS "${ALL_C_FLAGS} /arch:SSE2") # This is already the default
# if( CMAKE_SIZEOF_VOID_P MATCHES "4")
# # SSE2 option (to allow x87 in 32 bit and disallow extended feature sets which have not yet been checked for precision)
# option (ZDOOM_USE_SSE2 "Use SSE2 instruction set")
# if (ZDOOM_USE_SSE2)
# set( ALL_C_FLAGS "${ALL_C_FLAGS} /arch:SSE2")
# else ()
# if (MSVC_VERSION GREATER 1699)
# # On Visual C++ 2012 and later SSE2 is the default, so we need to switch it off explicitly
# set( ALL_C_FLAGS "${ALL_C_FLAGS} /arch:IA32")
# endif ()
# endif ()
# else()
# set( ALL_C_FLAGS "${ALL_C_FLAGS} /arch:SSE2")
# endif()
# Avoid CRT DLL dependancies in release builds, optionally generate assembly output for checking crash locations.
option( ZDOOM_GENERATE_ASM "Generate assembly output." OFF )
if( ZDOOM_GENERATE_ASM )
set( REL_C_FLAGS "/MT /Oy /Oi /FAcs" )
else()
set( REL_C_FLAGS "/MT /Oy /Oi" )
endif()
# Debug allocations in debug builds
set( DEB_C_FLAGS "/D _CRTDBG_MAP_ALLOC /MTd" )
# Disable warnings for unsecure CRT functions from VC8+
if( MSVC_VERSION GREATER 1399 )
set( ALL_C_FLAGS "${ALL_C_FLAGS} /wd4996" )
endif()
# The CMake configurations set /GR and /MD by default, which conflict with our settings.
string(REPLACE "/MD " " " CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE} )
string(REPLACE "/MD " " " CMAKE_CXX_FLAGS_MINSIZEREL ${CMAKE_CXX_FLAGS_MINSIZEREL} )
string(REPLACE "/MD " " " CMAKE_CXX_FLAGS_RELWITHDEBINFO ${CMAKE_CXX_FLAGS_RELWITHDEBINFO} )
string(REPLACE "/MDd " " " CMAKE_CXX_FLAGS_DEBUG ${CMAKE_CXX_FLAGS_DEBUG} )
string(REPLACE "/MD " " " CMAKE_C_FLAGS_RELEASE ${CMAKE_C_FLAGS_RELEASE} )
string(REPLACE "/MD " " " CMAKE_C_FLAGS_MINSIZEREL ${CMAKE_C_FLAGS_MINSIZEREL} )
string(REPLACE "/MD " " " CMAKE_C_FLAGS_RELWITHDEBINFO ${CMAKE_C_FLAGS_RELWITHDEBINFO} )
string(REPLACE "/MDd " " " CMAKE_C_FLAGS_DEBUG ${CMAKE_C_FLAGS_DEBUG} )
string(REPLACE " /GR" " " CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} )
else()
set( REL_LINKER_FLAGS "" )
set( ALL_C_FLAGS "-ffp-contract=off" )
set( REL_C_FLAGS "" )
set( DEB_C_FLAGS "" )
# If we're compiling with a custom GCC on the Mac (which we know since g++-4.2 doesn't support C++11) statically link libgcc.
if( APPLE AND "${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" )
set( ALL_C_FLAGS "-static-libgcc" )
endif()
endif()
set( CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${REL_LINKER_FLAGS}" )
set( CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "${CMAKE_EXE_LINKER_FLAGS_MINSIZEREL} ${REL_LINKER_FLAGS}" )
set( CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO} ${REL_LINKER_FLAGS}" )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ALL_C_FLAGS}" )
set( CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${REL_C_FLAGS}" )
set( CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL} ${REL_C_FLAGS}" )
set( CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} ${REL_C_FLAGS}" )
set( CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${DEB_C_FLAGS} -D_DEBUG" )
set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ALL_C_FLAGS}" )
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${REL_C_FLAGS}" )
set( CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} ${REL_C_FLAGS}" )
set( CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${REL_C_FLAGS}" )
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${DEB_C_FLAGS} -D_DEBUG" )
option(FORCE_INTERNAL_ZLIB "Use internal zlib")
option(FORCE_INTERNAL_JPEG "Use internal jpeg")
option(FORCE_INTERNAL_BZIP2 "Use internal bzip2")
option(FORCE_INTERNAL_GME "Use internal gme")
# Fast math flags, required by some subprojects
set( ZD_FASTMATH_FLAG "" )
if( ZD_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE )
set( ZD_FASTMATH_FLAG "-ffast-math -ffp-contract=fast" )
elseif( MSVC )
set( ZD_FASTMATH_FLAG "/fp:fast" )
endif()
if( ZLIB_FOUND AND NOT FORCE_INTERNAL_ZLIB )
message( STATUS "Using system zlib, includes found at ${ZLIB_INCLUDE_DIR}" )
else()
message( STATUS "Using internal zlib" )
set( SKIP_INSTALL_ALL TRUE ) # Avoid installing zlib alongside zdoom
add_subdirectory( zlib )
set( ZLIB_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/zlib )
set( ZLIB_LIBRARIES z )
set( ZLIB_LIBRARY z )
endif()
if( JPEG_FOUND AND NOT FORCE_INTERNAL_JPEG )
message( STATUS "Using system jpeg library, includes found at ${JPEG_INCLUDE_DIR}" )
else()
message( STATUS "Using internal jpeg library" )
add_subdirectory( jpeg-6b )
set( JPEG_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/jpeg-6b )
set( JPEG_LIBRARIES jpeg )
set( JPEG_LIBRARY jpeg )
endif()
if( BZIP2_FOUND AND NOT FORCE_INTERNAL_BZIP2 )
message( STATUS "Using system bzip2 library, includes found at ${BZIP2_INCLUDE_DIR}" )
else()
message( STATUS "Using internal bzip2 library" )
add_subdirectory( bzip2 )
set( BZIP2_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/bzip2" )
set( BZIP2_LIBRARIES bz2 )
set( BZIP2_LIBRARY bz2 )
endif()
if( GME_FOUND AND NOT FORCE_INTERNAL_GME )
message( STATUS "Using system gme library, includes found at ${GME_INCLUDE_DIR}" )
else()
message( STATUS "Using internal gme library" )
add_subdirectory( game-music-emu )
set( GME_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/game-music-emu" )
set( GME_LIBRARIES gme )
endif()
set( LZMA_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/lzma/C" )
if( NOT CMAKE_CROSSCOMPILING )
if( NOT CROSS_EXPORTS )
set( CROSS_EXPORTS "" )
endif()
endif()
# Install the entire docs directory in the distributed zip package
if( WIN32 )
set( INSTALL_DOCS_PATH docs CACHE STRING "Directory where the documentation will be placed during install." )
else()
set( INSTALL_DOCS_PATH share/doc/${ZDOOM_EXE_NAME} CACHE STRING "Directory where the zdoom documentation will be placed during install." )
endif()
install(DIRECTORY docs/
DESTINATION ${INSTALL_DOCS_PATH}
COMPONENT "Documentation")
add_subdirectory( lzma )
add_subdirectory( tools )
add_subdirectory( dumb )
add_subdirectory( gdtoa )
add_subdirectory( wadsrc )
add_subdirectory( wadsrc_bm )
add_subdirectory( wadsrc_lights )
add_subdirectory( src )
if( NOT WIN32 AND NOT APPLE )
add_subdirectory( output_sdl )
endif()
if( NOT CMAKE_CROSSCOMPILING )
export(TARGETS ${CROSS_EXPORTS} FILE "${CMAKE_BINARY_DIR}/ImportExecutables.cmake" )
endif()
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