diff options
Diffstat (limited to 'emcc')
| -rwxr-xr-x | emcc | 36 |
1 files changed, 24 insertions, 12 deletions
@@ -90,8 +90,6 @@ LLVM_OPT_LEVEL = { 3: 3, } -MEMCPY_ALIASES = ['memcpy', 'llvm.memcpy.i32', 'llvm.memcpy.i64', 'llvm.memcpy.p0i8.p0i8.i32', 'llvm.memcpy.p0i8.p0i8.i64'] - DEBUG = int(os.environ.get('EMCC_DEBUG') or 0) TEMP_DIR = os.environ.get('EMCC_TEMP_DIR') LEAVE_INPUTS_RAW = os.environ.get('EMCC_LEAVE_INPUTS_RAW') # Do not compile .ll files into .bc, just compile them with emscripten directly @@ -248,6 +246,15 @@ Options that are modified or new in %s include: are compiling to. To run your code, you will need both the .html and the .data. + emcc runs tools/file_packager.py to do the + actual packaging of embedded and preloaded + files. You can run the file packager yourself + if you want, see docs inside that file. You + should then put the output of the file packager + in an emcc --pre-js, so that it executes before + your main compiled code (or run it before in + some other way). + --compression <codec> Compress both the compiled code and embedded/ preloaded files. <codec> should be a triple, @@ -596,6 +603,10 @@ try: keep_debug = False bind = False jcache = False + if use_cxx: + default_cxx_std = '-std=c++03' # Enforce a consistent C++ standard when compiling .cpp files, if user does not specify one on the cmdline. + else: + default_cxx_std = '' # Compiling C code with .c files, don't enforce a default C++ std. def check_bad_eq(arg): assert '=' not in arg, 'Invalid parameter (do not use "=" with "--" options)' @@ -659,7 +670,11 @@ try: keep_debug = True elif newargs[i] == '--bind': bind = True - newargs[i] = '-std=c++11' # Force C++11 for embind code + newargs[i] = '' + if default_cxx_std: + default_cxx_std = '-std=c++11' # Force C++11 for embind code, but only if user has not explicitly overridden a standard. + elif newargs[i].startswith('-std='): + default_cxx_std = '' # User specified a standard to use, clear Emscripten from specifying it. elif newargs[i].startswith('--embed-file'): check_bad_eq(newargs[i]) embed_files.append(newargs[i+1]) @@ -717,6 +732,10 @@ try: absolute_warning_shown = True newargs = [ arg for arg in newargs if arg is not '' ] + # If user did not specify a default -std for C++ code, specify the emscripten default. + if default_cxx_std: + newargs = newargs + [default_cxx_std] + if llvm_opts is None: llvm_opts = LLVM_OPT_LEVEL[opt_level] if llvm_lto is None: llvm_lto = llvm_opts > 0 if closure is None: closure = 1 if opt_level >= 2 else 0 @@ -940,7 +959,7 @@ try: def create_libc(): if DEBUG: print >> sys.stderr, 'emcc: building libc for cache' o_s = [] - for src in ['dlmalloc.c', os.path.join('libc', 'musl', 'memcpy.c'), os.path.join('libcxx', 'new.cpp')]: + for src in ['dlmalloc.c', os.path.join('libcxx', 'new.cpp')]: o = in_temp(os.path.basename(src) + '.o') execute([shared.PYTHON, shared.EMCC, shared.path_from_root('system', 'lib', src), '-o', o], stdout=stdout, stderr=stderr) o_s.append(o) @@ -948,13 +967,6 @@ try: return in_temp('libc.bc') def fix_libc(need): - # If an intrinsic alias of memcpy is used, we need memcpy - for memcpy_alias in MEMCPY_ALIASES: - if memcpy_alias in need: - if '_memcpy' not in shared.Settings.EXPORTED_FUNCTIONS: - shared.Settings.EXPORTED_FUNCTIONS.append('_memcpy') - break - # libc needs some sign correction. # If we are in mode 0, switch to 2. We will add our lines try: if shared.Settings.CORRECT_SIGNS == 0: raise Exception('we need to change to 2') @@ -1195,7 +1207,7 @@ try: js_optimizer_queue += [get_eliminate(), 'simplifyExpressionsPre'] - if shared.Settings.RELOOP: + if shared.Settings.RELOOP and not shared.Settings.ASM_JS: js_optimizer_queue += ['optimizeShiftsAggressive', get_eliminate()] # aggressive shifts optimization requires loops, it breaks on switches if closure: |