src/compiler/SConscript.glsl

   1 import common
   2
   3 Import('*')
   4
   5 from sys import executable as python_cmd
   6
   7 env = env.Clone()
   8
   9 env.MSVC2013Compat()
  10
  11 env.Prepend(CPPPATH = [
  12     '#include',
  13     '#src',
  14     '#src/mapi',
  15     '#src/mesa',
  16     '#src/gallium/include',
  17     '#src/gallium/auxiliary',
  18     '#src/compiler/glsl',
  19     '#src/compiler/glsl/glcpp',
  20 ])
  21
  22 env.Prepend(LIBS = [mesautil])
  23
  24 # Make glcpp-parse.h and glsl_parser.h reachable from the include path.
  25 env.Prepend(CPPPATH = [Dir('.').abspath, Dir('glsl').abspath])
  26
  27 glcpp_env = env.Clone()
  28 glcpp_env.Append(YACCFLAGS = [
  29     '-d',
  30     '-p', 'glcpp_parser_'
  31 ])
  32
  33 glsl_env = env.Clone()
  34 glsl_env.Append(YACCFLAGS = [
  35     '--defines=%s' % File('glsl/glsl_parser.h').abspath,
  36     '-p', '_mesa_glsl_',
  37 ])
  38
  39 # without this line scons will expect "glsl_parser.hpp" instead of
  40 # "glsl_parser.h", causing glsl_parser.cpp to be regenerated every time
  41 glsl_env['YACCHXXFILESUFFIX'] = '.h'
  42
  43 glcpp_lexer = glcpp_env.CFile('glsl/glcpp/glcpp-lex.c', 'glsl/glcpp/glcpp-lex.l')
  44 glcpp_parser = glcpp_env.CFile('glsl/glcpp/glcpp-parse.c', 'glsl/glcpp/glcpp-parse.y')
  45 glsl_lexer = glsl_env.CXXFile('glsl/glsl_lexer.cpp', 'glsl/glsl_lexer.ll')
  46 glsl_parser = glsl_env.CXXFile('glsl/glsl_parser.cpp', 'glsl/glsl_parser.yy')
  47
  48 # common generated sources
  49 glsl_sources = [
  50     glcpp_lexer,
  51     glcpp_parser[0],
  52     glsl_lexer,
  53     glsl_parser[0],
  54 ]
  55
  56 # parse Makefile.sources
  57 source_lists = env.ParseSourceList('Makefile.sources')
  58
  59 # add non-generated sources
  60 for l in ('LIBGLCPP_FILES', 'LIBGLSL_FILES'):
  61     glsl_sources += source_lists[l]
  62
  63 if env['msvc']:
  64     env.Prepend(CPPPATH = ['#/src/getopt'])
  65     env.PrependUnique(LIBS = [getopt])
  66
  67 # Copy these files to avoid generation object files into src/mesa/program
  68 env.Prepend(CPPPATH = ['#src/mesa/main'])
  69 env.Command('glsl/imports.c', '#src/mesa/main/imports.c', Copy('$TARGET', '$SOURCE'))
  70 # Copy these files to avoid generation object files into src/mesa/program
  71 env.Prepend(CPPPATH = ['#src/mesa/program'])
  72 env.Command('glsl/prog_hash_table.c', '#src/mesa/program/prog_hash_table.c', Copy('$TARGET', '$SOURCE'))
  73 env.Command('glsl/symbol_table.c', '#src/mesa/program/symbol_table.c', Copy('$TARGET', '$SOURCE'))
  74 env.Command('glsl/dummy_errors.c', '#src/mesa/program/dummy_errors.c', Copy('$TARGET', '$SOURCE'))
  75
  76 compiler_objs = env.StaticObject(source_lists['GLSL_COMPILER_CXX_FILES'])
  77
  78 mesa_objs = env.StaticObject([
  79     'glsl/imports.c',
  80     'glsl/prog_hash_table.c',
  81     'glsl/symbol_table.c',
  82     'glsl/dummy_errors.c',
  83 ])
  84
  85 compiler_objs += mesa_objs
  86
  87 glsl = env.ConvenienceLibrary(
  88     target = 'glsl',
  89     source = glsl_sources,
  90 )
  91
  92 # SCons builtin dependency scanner doesn't detect that glsl_lexer.ll depends on
  93 # glsl_parser.h
  94 env.Depends(glsl, glsl_parser)
  95
  96 Export('glsl')
  97
  98 # Skip building these programs as they will cause SCons error "Two environments
  99 # with different actions were specified for the same target"
 100 if env['crosscompile'] or env['embedded']:
 101     Return()
 102
 103 env = env.Clone()
 104
 105 if env['platform'] == 'windows':
 106     env.PrependUnique(LIBS = [
 107         'user32',
 108     ])
 109
 110 env.Prepend(LIBS = [compiler, glsl])
 111
 112 glsl_compiler = env.Program(
 113     target = 'glsl_compiler',
 114     source = compiler_objs,
 115 )
 116 env.Alias('glsl_compiler', glsl_compiler)
 117
 118 glcpp = env.Program(
 119     target = 'glsl/glcpp/glcpp',
 120     source = ['glsl/glcpp/glcpp.c'] + mesa_objs,
 121 )
 122 env.Alias('glcpp', glcpp)