import common Import('*') from sys import executable as python_cmd env = env.Clone() env.Prepend(CPPPATH = [ '#include', '#src/mapi', '#src/mesa', '#src/glsl', '#src/glsl/glcpp', ]) # Make glcpp-parse.h and glsl_parser.h reachable from the include path. env.Append(CPPPATH = [Dir('.').abspath, Dir('glcpp').abspath]) env.Append(YACCFLAGS = '-d -p "glcpp_parser_"') parser_env = env.Clone() parser_env.Append(YACCFLAGS = [ '--defines=%s' % File('glsl_parser.h').abspath, '-p', '_mesa_glsl_', ]) # without this line scons will expect "glsl_parser.hpp" instead of # "glsl_parser.h", causing glsl_parser.cpp to be regenerated every time parser_env['YACCHXXFILESUFFIX'] = '.h' glcpp_lexer = env.CFile('glcpp/glcpp-lex.c', 'glcpp/glcpp-lex.l') glcpp_parser = env.CFile('glcpp/glcpp-parse.c', 'glcpp/glcpp-parse.y') glsl_lexer = parser_env.CXXFile('glsl_lexer.cpp', 'glsl_lexer.ll') glsl_parser = parser_env.CXXFile('glsl_parser.cpp', 'glsl_parser.yy') # common generated sources glsl_sources = [ glcpp_lexer, glcpp_parser[0], glsl_lexer, glsl_parser[0], ] # parse Makefile.sources source_lists = env.ParseSourceList('Makefile.sources') # add non-generated sources for l in ('LIBGLCPP_FILES', 'LIBGLSL_FILES'): glsl_sources += source_lists[l] if env['msvc']: env.Prepend(CPPPATH = ['#/src/getopt']) env.PrependUnique(LIBS = [getopt]) if env['crosscompile'] and not env['embedded']: Import('builtin_glsl_function') else: # Copy these files to avoid generation object files into src/mesa/program env.Prepend(CPPPATH = ['#src/mesa/program']) env.Command('hash_table.c', '#src/mesa/program/hash_table.c', Copy('$TARGET', '$SOURCE')) env.Command('symbol_table.c', '#src/mesa/program/symbol_table.c', Copy('$TARGET', '$SOURCE')) compiler_objs = env.StaticObject(source_lists['GLSL_COMPILER_CXX_FILES']) mesa_objs = env.StaticObject([ 'hash_table.c', 'symbol_table.c', ]) compiler_objs += mesa_objs builtin_compiler = env.Program( target = 'builtin_compiler/builtin_compiler', source = compiler_objs + glsl_sources + [ 'builtin_compiler/builtin_stubs.cpp', ] ) # SCons builtin dependency scanner doesn't detect that glsl_lexer.ll # depends on glsl_parser.h env.Depends(builtin_compiler, glsl_parser) builtin_glsl_function = env.CodeGenerate( target = 'builtin_function.cpp', script = 'builtins/tools/generate_builtins.py', source = builtin_compiler, command = python_cmd + ' $SCRIPT $SOURCE > $TARGET' ) env.Depends(builtin_glsl_function, ['builtins/tools/generate_builtins.py', '#src/glsl/builtins/tools/texture_builtins.py'] + Glob('builtins/ir/*')) Export('builtin_glsl_function') if env['hostonly']: Return() glsl_sources += builtin_glsl_function glsl = env.ConvenienceLibrary( target = 'glsl', source = glsl_sources, ) # SCons builtin dependency scanner doesn't detect that glsl_lexer.ll depends on # glsl_parser.h env.Depends(glsl, glsl_parser) Export('glsl') # Skip building these programs as they will cause SCons error "Two environments # with different actions were specified for the same target" if env['crosscompile'] or env['embedded']: Return() env = env.Clone() if env['platform'] == 'windows': env.PrependUnique(LIBS = [ 'user32', ]) env.Prepend(LIBS = [glsl]) glsl2 = env.Program( target = 'glsl2', source = compiler_objs, ) env.Alias('glsl2', glsl2) glcpp = env.Program( target = 'glcpp/glcpp', source = ['glcpp/glcpp.c'] + mesa_objs, ) env.Alias('glcpp', glcpp)