src/glsl/SConscript

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