diff options
Diffstat (limited to 'emcc')
| -rwxr-xr-x | emcc | 20 |
1 files changed, 14 insertions, 6 deletions
@@ -11,12 +11,12 @@ use emar, emld and emranlib instead of the same command without 'em'. Example uses: - * For configure, instead of ./configure, cmake, etc., run emconfiguren.py + * For configure, instead of ./configure, cmake, etc., run emconfigure.py with that command as an argument, for example - emconfiguren.py ./configure [options] + emconfigure.py ./configure [options] - emconfiguren.py is a tiny script that just sets some environment vars + emconfigure.py is a tiny script that just sets some environment vars as a convenience. The command just shown is equivalent to EMMAKEN_JUST_CONFIGURE=1 RANLIB=PATH/emranlib AR=PATH/emar CXX=PATH/em++ CC=PATH/emcc ./configure [options] @@ -148,6 +148,10 @@ The -c option (which tells gcc not to run the linker) will cause LLVM bitcode to be generated, as %s only generates JavaScript in the final linking stage of building. +The input file(s) can be either source code files that +Clang can handle (C or C++), LLVM bitcode in binary form, +or LLVM assembly files in human-readable form. + ''' % (this, this, this) exit(0) @@ -179,6 +183,7 @@ if EMMAKEN_CFLAGS: CC_ADDITIONAL_ARGS += EMMAKEN_CFLAGS.split(' ') # ---------------- Utilities --------------- SOURCE_SUFFIXES = ('.c', '.cpp', '.cxx', '.cc') +BITCODE_SUFFIXES = ('.bc', '.o', '.ll') def unsuffixed(name): return '.'.join(name.split('.')[:-1]) @@ -289,7 +294,7 @@ try: for i in range(len(newargs)): # find input files XXX this a simple heuristic. we should really analyze based on a full understanding of gcc params, # right now we just assume that what is left contains no more |-x OPT| things arg = newargs[i] - if arg.endswith(SOURCE_SUFFIXES + ('.bc', '.o')): # we already removed -o <target>, so all these should be inputs + if arg.endswith(SOURCE_SUFFIXES + BITCODE_SUFFIXES): # we already removed -o <target>, so all these should be inputs input_files.append(arg) newargs[i] = '' if arg.endswith(SOURCE_SUFFIXES): @@ -344,8 +349,11 @@ try: args = newargs + [input_file, '-o', in_temp(unsuffixed_basename(input_file) + '.o')] if DEBUG: print >> sys.stderr, "emcc running:", call, ' '.join(args) Popen([call] + args).communicate() - else: - shutil.copyfile(input_file, in_temp(unsuffixed_basename(input_file) + '.o')) + else: # bitcode + if input_file.endswith(('.bc', '.o')): + shutil.copyfile(input_file, in_temp(unsuffixed_basename(input_file) + '.o')) + else: #.ll + shared.Building.llvm_as(input_file, in_temp(unsuffixed_basename(input_file) + '.o')) # Optimize, if asked to if llvm_opt_level > 0: |