diff options
Diffstat (limited to 'tools/shared.py')
| -rw-r--r-- | tools/shared.py | 58 |
1 files changed, 56 insertions, 2 deletions
diff --git a/tools/shared.py b/tools/shared.py index ae6c5eb5..530d2af5 100644 --- a/tools/shared.py +++ b/tools/shared.py @@ -207,6 +207,7 @@ AUTODEBUGGER = path_from_root('tools', 'autodebugger.py') BINDINGS_GENERATOR = path_from_root('tools', 'bindings_generator.py') EXEC_LLVM = path_from_root('tools', 'exec_llvm.py') FILE_PACKAGER = path_from_root('tools', 'file_packager.py') +RELOOPER = path_from_root('src', 'relooper.js') # Temp dir. Create a random one, unless EMCC_DEBUG is set, in which case use TEMP_DIR/emscripten_temp @@ -1011,6 +1012,54 @@ set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)''' % { 'winfix': '' if not WINDOWS e return False + # Make sure the relooper exists. If it does not, check out the relooper code and bootstrap it + @staticmethod + def ensure_relooper(): + if os.path.exists(RELOOPER): return + try: + ok = False + print >> sys.stderr, '=======================================' + print >> sys.stderr, 'bootstrapping relooper...' + Cache.ensure() + RELOOPER_DIR = os.path.join(Cache.dirname, 'relooper') + currdir = os.getcwd() + if not os.path.exists(RELOOPER_DIR): + # check out relooper + os.chdir(os.path.dirname(RELOOPER_DIR)) + print >> sys.stderr, ' checking out', os.getcwd() + execute(['git', 'clone', 'git://github.com/kripken/Relooper.git', os.path.basename(RELOOPER_DIR)]) + assert os.path.exists(RELOOPER_DIR) + else: + # update + print >> sys.stderr, ' updating' + os.chdir(RELOOPER_DIR) + execute(['git', 'pull', '-u'], stdout=None if DEBUG else PIPE, stderr=None if DEBUG else PIPE) + + def make(opt_level): + raw = RELOOPER + '.raw.js' + Building.emcc(os.path.join(RELOOPER_DIR, 'Relooper.cpp'), ['-I' + os.path.join(RELOOPER_DIR), '--post-js', os.path.join(RELOOPER_DIR, 'emscripten', 'glue.js'), '-s', 'TOTAL_MEMORY=52428800', '-s', 'DEFAULT_LIBRARY_FUNCS_TO_INCLUDE=["memcpy", "memset", "malloc", "free", "puts"]', '-O' + str(opt_level)], raw) + f = open(RELOOPER, 'w') + f.write("// Relooper, (C) 2012 Alon Zakai, MIT license, https://github.com/kripken/Relooper\n") + f.write("var Relooper = (function() {\n"); + f.write(open(raw).read()) + f.write('\n return Module.Relooper;\n') + f.write('})();\n') + f.close() + + # bootstrap phase 1: generate unrelooped relooper, for which we do not need a relooper (so we cannot recurse infinitely in this function) + print >> sys.stderr, ' bootstrap phase 1' + make(1) + # bootstrap phase 2: generate relooped relooper, using the unrelooped relooper (we see relooper.js exists so we cannot recurse infinitely in this function) + print >> sys.stderr, ' bootstrap phase 2' + make(2) + print >> sys.stderr, 'bootstrapping relooper succeeded' + print >> sys.stderr, '=======================================' + ok = True + finally: + os.chdir(currdir) + if not ok: + print >> sys.stderr, 'bootstrapping relooper failed. You may need to manually create src/relooper.js, by checking out the Relooper project ( https://github.com/kripken/Relooper ) and building in the emscripten/ dir.' + # Permanent cache for dlmalloc and stdlibc++ class Cache: dirname = os.environ.get('EM_CACHE') @@ -1018,11 +1067,17 @@ class Cache: dirname = os.path.expanduser(os.path.join('~', '.emscripten_cache')) @staticmethod + def ensure(): + if not os.path.exists(Cache.dirname): + os.makedirs(Cache.dirname) + + @staticmethod def erase(): try: shutil.rmtree(Cache.dirname) except: pass + try_delete(RELOOPER) # Request a cached file. If it isn't in the cache, it will be created with # the given creator function @@ -1032,8 +1087,7 @@ class Cache: cachename = os.path.join(Cache.dirname, shortname) if os.path.exists(cachename): return cachename - if not os.path.exists(Cache.dirname): - os.makedirs(Cache.dirname) + Cache.ensure() shutil.copyfile(creator(), cachename) return cachename |