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