diff options
Diffstat (limited to 'SConstruct')
| -rw-r--r-- | SConstruct | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/SConstruct b/SConstruct new file mode 100644 index 0000000000..db6161ed51 --- /dev/null +++ b/SConstruct @@ -0,0 +1,214 @@ +####################################################################### +# Top-level SConstruct + +import os +import sys + + +####################################################################### +# Configuration options +# +# For example, invoke scons as +# +# scons debug=1 dri=0 x86=1 +# +# to set configuration variables. Or you can write those options to a file +# named config.py: +# +# # config.py +# debug=1 +# dri=0 +# x86=1 +# +# Invoke +# +# scons -h +# +# to get the full list of options. See scons manpage for more info. +# + +# TODO: auto-detect defaults +opts = Options('config.py') +opts.Add(BoolOption('debug', 'build debug version', False)) +opts.Add(BoolOption('dri', 'build dri drivers', False)) +opts.Add(EnumOption('machine', 'use machine-specific assembly code', 'x86', + allowed_values=('generic', 'x86', 'x86-64'))) + +env = Environment(options = opts) +Help(opts.GenerateHelpText(env)) + +# for debugging +#print env.Dump() + +if 1: + # platform will be typically 'posix' or 'win32' + platform = env['PLATFORM'] +else: + # platform will be one of 'linux', 'freebsd', 'win32', 'darwin', etc. + platform = sys.platform + if platform == 'linux2': + platform = 'linux' + +# replicate options values in local variables +debug = env['debug'] +dri = env['dri'] +machine = env['machine'] + +# derived options +x86 = machine == 'x86' +gcc = platform == 'posix' +msvc = platform == 'win32' + +Export([ + 'debug', + 'x86', + 'dri', + 'platform', + 'gcc', + 'msvc', +]) + + +####################################################################### +# Environment setup +# +# TODO: put the compiler specific settings in seperate files +# TODO: auto-detect as much as possible + + +# Optimization flags +if gcc: + if debug: + env.Append(CFLAGS = '-O0 -g3') + env.Append(CXXFLAGS = '-O0 -g3') + else: + env.Append(CFLAGS = '-O3 -g3') + env.Append(CXXFLAGS = '-O3 -g3') + + env.Append(CFLAGS = '-Wall -Wmissing-prototypes -std=c99 -ffast-math -pedantic') + env.Append(CXXFLAGS = '-Wall -pedantic') + + # Be nice to Eclipse + env.Append(CFLAGS = '-fmessage-length=0') + env.Append(CXXFLAGS = '-fmessage-length=0') + +# Defines +env.Append(CPPDEFINES = [ + '_POSIX_SOURCE', + ('_POSIX_C_SOURCE', '199309L'), + '_SVID_SOURCE', + '_BSD_SOURCE', + '_GNU_SOURCE', + + 'PTHREADS', + 'HAVE_ALIAS', + 'HAVE_POSIX_MEMALIGN', +]) + +if debug: + env.Append(CPPDEFINES = ['DEBUG']) +else: + env.Append(CPPDEFINES = ['NDEBUG']) + + +# Includes +env.Append(CPPPATH = [ + '#/include', + '#/src/mesa', + '#/src/mesa/main', + '#/src/mesa/pipe', + + '/usr/X11R6/include', +]) + + +# x86 assembly +if x86: + env.Append(CPPDEFINES = [ + 'USE_X86_ASM', + 'USE_MMX_ASM', + 'USE_3DNOW_ASM', + 'USE_SSE_ASM', + ]) + if gcc: + env.Append(CFLAGS = '-m32') + env.Append(CXXFLAGS = '-m32') + +env.Append(LIBPATH = ['/usr/X11R6/lib']) + +env.Append(LIBS = [ + 'm', + 'pthread', + 'expat', + 'dl', +]) + +# DRI +if dri: + env.ParseConfig('pkg-config --cflags --libs libdrm') + env.Append(CPPDEFINES = [ + ('USE_EXTERNAL_DXTN_LIB', '1'), + 'IN_DRI_DRIVER', + 'GLX_DIRECT_RENDERING', + 'GLX_INDIRECT_RENDERING', + ]) + +# libGL +if 1: + env.Append(LIBS = [ + 'X11', + 'Xext', + 'Xxf86vm', + 'Xdamage', + 'Xfixes', + ]) + +Export('env') + + +####################################################################### +# Convenience Library Builder +# based on the stock StaticLibrary and SharedLibrary builders + +def createConvenienceLibBuilder(env): + """This is a utility function that creates the ConvenienceLibrary + Builder in an Environment if it is not there already. + + If it is already there, we return the existing one. + """ + + try: + convenience_lib = env['BUILDERS']['ConvenienceLibrary'] + except KeyError: + action_list = [ Action("$ARCOM", "$ARCOMSTR") ] + if env.Detect('ranlib'): + ranlib_action = Action("$RANLIBCOM", "$RANLIBCOMSTR") + action_list.append(ranlib_action) + + convenience_lib = Builder(action = action_list, + emitter = '$LIBEMITTER', + prefix = '$LIBPREFIX', + suffix = '$LIBSUFFIX', + src_suffix = '$SHOBJSUFFIX', + src_builder = 'SharedObject') + env['BUILDERS']['ConvenienceLibrary'] = convenience_lib + env['BUILDERS']['Library'] = convenience_lib + + return convenience_lib + +createConvenienceLibBuilder(env) + + +####################################################################### +# Invoke SConscripts + +# Put build output in a separate dir +# TODO: make build_dir depend on platform and build type (check +# http://www.scons.org/wiki/AdvancedBuildExample for an example) +build_dir = 'build' + +SConscript( + 'src/mesa/SConscript', + build_dir = build_dir, + duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html +) |