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