diff options
Diffstat (limited to 'emcc')
| -rwxr-xr-x | emcc | 225 |
1 files changed, 124 insertions, 101 deletions
@@ -92,12 +92,11 @@ emcc can be influenced by a few environment variables: ''' -import sys -import os -import subprocess +import os, sys, shutil +from subprocess import Popen, PIPE, STDOUT from tools import shared -DEBUG = 0 +DEBUG = 1 ################### XXX print >> sys.stderr, '\n***This is a WORK IN PROGRESS***' @@ -164,116 +163,140 @@ if CONFIGURE_CONFIG or CMAKE_CONFIG: if DEBUG: print >> sys.stderr, 'emcc.py, just configuring: ', cmd exit(os.execvp(compiler, cmd)) -try: - #f=open('/dev/shm/tmp/waka.txt', 'a') - #f.write('Args: ' + ' '.join(sys.argv) + '\nCMake? ' + str(CMAKE_CONFIG) + '\n') - #f.close() +if os.environ.get('EMMAKEN_COMPILER'): + CXX = os.environ['EMMAKEN_COMPILER'] +else: + CXX = shared.CLANG - if os.environ.get('EMMAKEN_COMPILER'): - CXX = os.environ['EMMAKEN_COMPILER'] - else: - CXX = CLANG - - CC = to_cc(CXX) +CC = shared.to_cc(CXX) - # If we got here from a redirection through emmakenxx.py, then force a C++ compiler here - if os.environ.get('EMMAKEN_CXX'): - CC = CXX +# If we got here from a redirection through emmakenxx.py, then force a C++ compiler here +if os.environ.get('EMMAKEN_CXX'): + CC = CXX - CC_ADDITIONAL_ARGS = COMPILER_OPTS # + ['-g']? - ALLOWED_LINK_ARGS = ['-f', '-help', '-o', '-print-after', '-print-after-all', '-print-before', - '-print-before-all', '-time-passes', '-v', '-verify-dom-info', '-version' ] - TWO_PART_DISALLOWED_LINK_ARGS = ['-L'] # Ignore thingsl like |-L .| +CC_ADDITIONAL_ARGS = shared.COMPILER_OPTS # + ['-g']? +ALLOWED_LINK_ARGS = ['-f', '-help', '-o', '-print-after', '-print-after-all', '-print-before', + '-print-before-all', '-time-passes', '-v', '-verify-dom-info', '-version' ] +TWO_PART_DISALLOWED_LINK_ARGS = ['-L'] # Ignore thingsl like |-L .| - EMMAKEN_CFLAGS = os.environ.get('EMMAKEN_CFLAGS') - if EMMAKEN_CFLAGS: CC_ADDITIONAL_ARGS += EMMAKEN_CFLAGS.split(' ') +EMMAKEN_CFLAGS = os.environ.get('EMMAKEN_CFLAGS') +if EMMAKEN_CFLAGS: CC_ADDITIONAL_ARGS += EMMAKEN_CFLAGS.split(' ') - # ---------------- End configs ------------- +# ---------------- End configs ------------- - if len(sys.argv) == 2 and 'conftest' not in ' '.join(sys.argv): # Avoid messing with configure, see below too - # ranlib - sys.exit(0) - if len(sys.argv) == 1 or sys.argv[1] in ['x', 't']: - # noop ar - sys.exit(0) +if len(sys.argv) == 1 or sys.argv[1] in ['x', 't']: + # noop ar + if DEBUG: print >> sys.stderr, 'emcc.py, just ar' + sys.exit(0) - use_cxx = True - use_linker = True - header = False # pre-compiled headers. We fake that by just copying the file +use_cxx = True +use_linker = True +header = False # pre-compiled headers. We fake that by just copying the file - opts = [] - files = [] - for i in range(1, len(sys.argv)): +opts = [] +files = [] +for i in range(1, len(sys.argv)): + arg = sys.argv[i] + if arg.startswith('-'): + opts.append(arg) + else: + files.append(arg) + if arg.endswith('.c'): + use_cxx = False + if arg.endswith(('.c', '.cc', '.cpp', '.dT')): + use_linker = False + if arg.endswith('.h') and sys.argv[i-1] != '-include': + header = True + use_linker = False + +if '--version' in opts: + use_linker = False + +use_compiler = not use_linker and not header + +if set(sys.argv[1]).issubset(set('-cruqs')): # ar + sys.argv = sys.argv[:1] + sys.argv[3:] + ['-o='+sys.argv[2]] + assert use_linker, 'Linker should be used in this case' + +# Check if a target is specified +target = None +for i in range(len(sys.argv)-1): + if sys.argv[i] == '-o': + target = sys.argv[i+1] + sys.argv = sys.argv[:i] + sys.argv[i+2:] + break + +if use_linker: + call = LLVM_LD + newargs = ['-disable-opt'] + i = 0 + while i < len(sys.argv)-1: + i += 1 arg = sys.argv[i] if arg.startswith('-'): - opts.append(arg) - else: - files.append(arg) - if arg.endswith('.c'): - use_cxx = False - if arg.endswith(('.c', '.cc', '.cpp', '.dT')): - use_linker = False - if arg.endswith('.h') and sys.argv[i-1] != '-include': - header = True - use_linker = False - - if '--version' in opts: - use_linker = False - - if set(sys.argv[1]).issubset(set('-cruqs')): # ar - sys.argv = sys.argv[:1] + sys.argv[3:] + ['-o='+sys.argv[2]] - assert use_linker, 'Linker should be used in this case' - - if use_linker: - call = LLVM_LD - newargs = ['-disable-opt'] - found_o = False - i = 0 - while i < len(sys.argv)-1: - i += 1 - arg = sys.argv[i] - if found_o: - newargs.append('-o=%s' % arg) - found_o = False - continue - if arg.startswith('-'): - if arg == '-o': - found_o = True - continue - prefix = arg.split('=')[0] - if prefix in ALLOWED_LINK_ARGS: - newargs.append(arg) - if arg in TWO_PART_DISALLOWED_LINK_ARGS: - i += 1 - elif arg.endswith('.so'): - continue # .so's do not exist yet, in many cases - else: - # not option, so just append + prefix = arg.split('=')[0] + if prefix in ALLOWED_LINK_ARGS: newargs.append(arg) - elif not header: - call = CXX if use_cxx else CC - newargs = sys.argv[1:] - for i in range(len(newargs)): - if newargs[i].startswith('-O'): - if DEBUG: print >> sys.stderr, 'emcc.py: WARNING: Optimization flags (-Ox) are ignored in emcc. Tell emscripten.py to do that, or run LLVM opt.' - newargs[i] = '' - newargs = [ arg for arg in newargs if arg is not '' ] + CC_ADDITIONAL_ARGS - newargs.append('-emit-llvm') - if not use_linker: - newargs.append('-c') - else: - if DEBUG: print >> sys.stderr, 'Just copy.' - shutil.copy(sys.argv[-1], sys.argv[-2]) - exit(0) + if arg in TWO_PART_DISALLOWED_LINK_ARGS: + i += 1 + elif arg.endswith('.so'): + continue # .so's do not exist yet, in many cases + else: + # not option, so just append + newargs.append(arg) + if target: + newargs.append('-o=' + target) + + if DEBUG: print >> sys.stderr, "Running:", call, ' '.join(newargs) + Popen([call] + newargs).communicate() + exit(0) + +elif use_compiler: + call = CXX if use_cxx else CC + newargs = sys.argv[1:] + for i in range(len(newargs)): + if newargs[i].startswith('-O'): + if DEBUG: print >> sys.stderr, 'emcc.py: WARNING: Optimization flags (-Ox) are ignored in emcc. Tell emscripten.py to do that, or run LLVM opt.' + newargs[i] = '' + newargs = [ arg for arg in newargs if arg is not '' ] + CC_ADDITIONAL_ARGS - #f=open('/dev/shm/tmp/waka.txt', 'a') - #f.write('Calling: ' + ' '.join(newargs) + '\n\n') - #f.close() + if target is None: + # No explicit -o specified, so do the most natural thing, compile to .js + target = 'a.out.js' + + target_basename = '.'.join(target.split('.')[:-1]) + final_suffix = target.split('.')[-1] + + # First, generate LLVM bitcode TODO: handle |emcc a.cpp b.cpp -c| which generate *two* bitcode files + newargs = newargs + ['-emit-llvm', '-c', '-o', target_basename + '.bc'] if DEBUG: print >> sys.stderr, "Running:", call, ' '.join(newargs) + Popen([call] + newargs).communicate() + + # If we were just asked to generate bitcode, stop there + if final_suffix in ['o', 'bc']: + if final_suffix == 'o': + shutil.move(target_basename + '.bc', target_basename + '.o') + exit(0) + + # Continue on to create JavaScript + temp_files = shared.TempFiles() + temp_files.note(target_basename + '.bc') + try: + shared.Building.emscripten(target_basename + '.bc', append_ext=False) + shutil.move(target_basename + '.bc.o.js', target_basename + '.js') + + ## TODO: If we were asked to also generate HTML, do that + #if final_suffix == 'html': + finally: + temp_files.clean() + + exit(0) + +else: # header or such + if DEBUG: print >> sys.stderr, 'Just copy.' + shutil.copy(sys.argv[-1], sys.argv[-2]) + exit(0) + - os.execvp(call, [call] + newargs) -except Exception, e: - print 'Error in emcc.py. (Is the config file ~/.emscripten set up properly?) Error:', e - raise |