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############################################################################
#
# file : options.cmake
# copyright : (C) 2008 by Mart Kelder, 2010 by J.-P. Meuret
# web : www.speed-dreams.org
# version : $Id$
#
############################################################################
############################################################################
# #
# This program is free software; you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation; either version 2 of the License, or #
# (at your option) any later version. #
# #
############################################################################
# @file CMake configuration options
# @author Mart Kelder, J.-P. Meuret
# @version $Id$
MACRO ( ADD_SD_COMPILE_OPTIONS )
# This has to be done more than once, because HAVE_CONFIG_H may change.
IF ( HAVE_CONFIG_H )
ADD_DEFINITIONS ( -DHAVE_CONFIG_H )
IF ( IN_SOURCETREE )
SET ( INCLUDE_CANDIDATE ${ SOURCE_DIR } )
ELSE ( IN_SOURCETREE )
SET ( INCLUDE_CANDIDATE "" )
ENDIF ( IN_SOURCETREE )
FIND_PATH ( CONFIGH_INCLUDE_DIR config.h ${ INCLUDE_CANDIDATE } /usr/include /usr/local/include NO_DEFAULT_PATH )
FIND_PATH ( CONFIGH_INCLUDE_DIR config.h ${ INCLUDE_CANDIDATE } /usr/include /usr/local/include )
MARK_AS_ADVANCED ( CONFIGH_INCLUDE_DIR )
IF ( CONFIGH_INCLUDE_DIR )
INCLUDE_DIRECTORIES ( ${ CONFIGH_INCLUDE_DIR } )
ELSE ( CONFIGH_INCLUDE_DIR )
MESSAGE ( FATAL_ERROR "Cannot find config.h header file" )
ENDIF ( CONFIGH_INCLUDE_DIR )
ENDIF ( HAVE_CONFIG_H )
# Build options (do it only once).
IF ( NOT _ALREADY_DONE )
# CMake options.
SET ( OPTION_CHECK_CONTENTS false CACHE BOOL "Set to On if you don't want the build to be stopped by missing optional contents folders" )
MARK_AS_ADVANCED ( OPTION_CHECK_CONTENTS )
SET ( OPTION_OFFICIAL_ONLY false CACHE BOOL "Build / install only officially released contents" )
SET ( OPTION_FORCE_DEBUG false CACHE BOOL "Force debug symbols even in Release build (Automatic in Debug builds)" )
SET ( OPTION_TRACE true CACHE BOOL "Enable traces into the console or log file" )
SET ( OPTION_TRACE_LEVEL "5" CACHE STRING "Trace level integer threshold, only if OPTION_TRACE (traces with higher level are not logged ; 0=Fatal, 1=Error, 2=Warning, 3=Info, 4=Trace, 5=Debug, ...)" )
SET ( OPTION_PROFILER false CACHE BOOL "Enable profiler" )
SET ( OPTION_SCHEDULE_SPY false CACHE BOOL "Enable fine grained scheduling spy" )
SET ( OPTION_3RDPARTY_EXPAT true CACHE BOOL "Use 3rd party Expat library rather than bundled TXML" )
# Enable building with 3rd party SOLID library under Windows, as we ship the binary package,
# but not under Linux, where FreeSolid seems not to be available by default on most distros.
IF ( WIN32 )
SET ( _OPTION_3RDPARTY_SOLID true )
ELSE ( WIN32 )
SET ( _OPTION_3RDPARTY_SOLID false )
ENDIF ( WIN32 )
SET ( OPTION_3RDPARTY_SOLID ${ _OPTION_3RDPARTY_SOLID } CACHE BOOL "Use 3rd party SOLID library rather than simu-bundled one" )
IF ( UNIX )
SET ( OPTION_XRANDR true CACHE BOOL "XrandR" )
SET ( OPTION_GLEXTPROTOTYPES true CACHE BOOL "Enable prototypes in glext.h" )
SET ( OPTION_UNLOAD_SSGGRAPH true CACHE BOOL "If false, never unload ssggraph module (useful on some Linuxes to avoid XOrg crashes)" )
ENDIF ( UNIX )
SET ( OPTION_AUTOVERSION true CACHE BOOL "Enable automatic computation of the version from SVN source tree" )
# Custom 3rdParty location for some Windows builds (standard CMake Find<package> macros
# can't find it, so we needed another solution : see FindCustom3rdParty.cmake).
IF ( MSVC )
SET ( _OPTION_CUSTOM_3RDPARTY true ) # Always needed for MSVC compilers.
ELSEIF ( MINGW )
IF ( CMAKE_GENERATOR STREQUAL "MSYS Makefiles" )
# Not needed with "MSYS Makefiles" generator when using MinGW
# (3rd party libs assumed to be installed in standard location /usr/local).
SET ( _OPTION_CUSTOM_3RDPARTY false )
ELSE ( CMAKE_GENERATOR STREQUAL "MSYS Makefiles" )
# Just as for MSVC builds : special location.
SET ( _OPTION_CUSTOM_3RDPARTY true )
ENDIF ( CMAKE_GENERATOR STREQUAL "MSYS Makefiles" )
ENDIF ( MSVC )
SET ( OPTION_CUSTOM_3RDPARTY ${ _OPTION_CUSTOM_3RDPARTY } CACHE BOOL "Set to ON to use 3rdParty prebuilt API located in <PROJECT_SOURCE_DIR>/../3rdparty" )
MARK_AS_ADVANCED ( OPTION_CUSTOM_3RDPARTY )
# Compiler definitions (needs more comments. Is it needed under Windows ?).
ADD_DEFINITIONS ( -D_SVID_SOURCE -D_BSD_SOURCE -DSHM )
IF ( MSVC )
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# Suppress bothering MSVC warnings
ADD_DEFINITIONS ( -D_CRT_SECURE_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS )
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# Inhibit definition of Macros min(a,b) and max(a,b) for Windows MSVC builds,
# as the names conflict with the template functions from standard template library
ADD_DEFINITIONS ( -DNOMINMAX )
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ENDIF ( MSVC )
IF ( OPTION_FORCE_DEBUG )
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ADD_DEFINITIONS ( -DSD_DEBUG )
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ENDIF ( OPTION_FORCE_DEBUG )
IF ( OPTION_TRACE )
ADD_DEFINITIONS ( -DTRACE_OUT )
ENDIF ( OPTION_TRACE )
IF ( OPTION_TRACE_LEVEL )
ADD_DEFINITIONS ( -DTRACE_LEVEL= ${ OPTION_TRACE_LEVEL } )
ENDIF ( OPTION_TRACE_LEVEL )
IF ( OPTION_XRANDR )
ADD_DEFINITIONS ( -DUSE_RANDR_EXT )
ENDIF ( OPTION_XRANDR )
IF ( OPTION_PROFILER )
ADD_DEFINITIONS ( -DPROFILER )
ENDIF ( OPTION_PROFILER )
IF ( OPTION_SCHEDULE_SPY )
ADD_DEFINITIONS ( -DSCHEDULE_SPY )
ENDIF ( OPTION_SCHEDULE_SPY )
IF ( OPTION_3RDPARTY_EXPAT )
ADD_DEFINITIONS ( -DTHIRD_PARTY_EXPAT )
ENDIF ( OPTION_3RDPARTY_EXPAT )
IF ( OPTION_3RDPARTY_SOLID )
ADD_DEFINITIONS ( -DTHIRD_PARTY_SOLID )
ENDIF ( OPTION_3RDPARTY_SOLID )
IF ( OPTION_GLEXTPROTOTYPES )
ADD_DEFINITIONS ( -DGL_GLEXT_PROTOTYPES )
ENDIF ( OPTION_GLEXTPROTOTYPES )
IF ( OPTION_UNLOAD_SSGGRAPH )
ADD_DEFINITIONS ( -DUNLOAD_SSGGRAPH )
ENDIF ( OPTION_UNLOAD_SSGGRAPH )
# Define for code that needs Torcs backward compatibility
ADD_DEFINITIONS ( -DSPEED_DREAMS )
ENDIF ( NOT _ALREADY_DONE )
# Compile options
IF ( NOT _ALREADY_DONE )
# GCC warnings (at least for the 4.x series, there are none by default).
IF ( CMAKE_COMPILER_IS_GNUCXX )
SET ( _SD_WARN_OPTS "-Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers" )
SET ( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_SD_WARN_OPTS}" )
SET ( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_SD_WARN_OPTS}" )
ENDIF ( CMAKE_COMPILER_IS_GNUCXX )
ENDIF ( NOT _ALREADY_DONE )
ENDMACRO ( ADD_SD_COMPILE_OPTIONS )