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Diffstat (limited to 'emcc')
-rwxr-xr-xemcc34
1 files changed, 18 insertions, 16 deletions
diff --git a/emcc b/emcc
index 7460da61..1942be28 100755
--- a/emcc
+++ b/emcc
@@ -61,6 +61,7 @@ BITCODE_ENDINGS = ('.bc', '.o', '.obj')
DYNAMICLIB_ENDINGS = ('.dylib', '.so', '.dll')
STATICLIB_ENDINGS = ('.a',)
ASSEMBLY_ENDINGS = ('.ll',)
+HEADER_ENDINGS = ('.h', '.hxx', '.hpp', '.hh', '.H', '.HXX', '.HPP', '.HH')
LIB_PREFIXES = ('', 'lib')
@@ -695,15 +696,12 @@ if len(sys.argv) == 1 or sys.argv[1] in ['x', 't']:
sys.exit(0)
use_cxx = True
-header = False # pre-compiled headers. We fake that by just copying the file
for i in range(1, len(sys.argv)):
arg = sys.argv[i]
if not arg.startswith('-'):
if arg.endswith(('.c','.m')):
use_cxx = False
- if arg.endswith('.h') and sys.argv[i-1] != '-include':
- header = True
if '-M' in sys.argv or '-MM' in sys.argv:
# Just output dependencies, do not compile. Warning: clang and gcc behave differently with -MF! (clang seems to not recognize it)
@@ -737,15 +735,6 @@ if '.' in target:
else:
final_suffix = ''
-if header: # header or such
- if len(sys.argv) >= 3: # if there is a source and a target, then copy, otherwise do nothing
- sys.argv = filter(lambda arg: not arg.startswith('-I'), sys.argv)
- logging.debug('Just copy:' + sys.argv[-1] + target)
- shutil.copy(sys.argv[-1], target)
- else:
- logging.debug('No-op.')
- exit(0)
-
if TEMP_DIR:
temp_dir = TEMP_DIR
if os.path.exists(temp_dir):
@@ -1062,6 +1051,7 @@ try:
input_files = []
has_source_inputs = False
+ has_header_inputs = False
lib_dirs = [shared.path_from_root('system', 'local', 'lib'),
shared.path_from_root('system', 'lib')]
libs = []
@@ -1073,7 +1063,7 @@ try:
prev = newargs[i-1]
if prev in ['-MT', '-MF', '-MQ', '-D', '-U', '-o', '-x', '-Xpreprocessor', '-include', '-imacros', '-idirafter', '-iprefix', '-iwithprefix', '-iwithprefixbefore', '-isysroot', '-imultilib', '-A', '-isystem', '-iquote', '-install_name', '-compatibility_version', '-current_version', '-I', '-L']: continue # ignore this gcc-style argument
- if (os.path.islink(arg) and os.path.realpath(arg).endswith(SOURCE_ENDINGS + BITCODE_ENDINGS + DYNAMICLIB_ENDINGS + ASSEMBLY_ENDINGS)):
+ if (os.path.islink(arg) and os.path.realpath(arg).endswith(SOURCE_ENDINGS + BITCODE_ENDINGS + DYNAMICLIB_ENDINGS + ASSEMBLY_ENDINGS + HEADER_ENDINGS)):
arg = os.path.realpath(arg)
if not arg.startswith('-'):
@@ -1082,11 +1072,14 @@ try:
exit(1)
arg_ending = filename_type_ending(arg)
- if arg_ending.endswith(SOURCE_ENDINGS + BITCODE_ENDINGS + DYNAMICLIB_ENDINGS + ASSEMBLY_ENDINGS) or shared.Building.is_ar(arg): # we already removed -o <target>, so all these should be inputs
+ if arg_ending.endswith(SOURCE_ENDINGS + BITCODE_ENDINGS + DYNAMICLIB_ENDINGS + ASSEMBLY_ENDINGS + HEADER_ENDINGS) or shared.Building.is_ar(arg): # we already removed -o <target>, so all these should be inputs
newargs[i] = ''
if arg_ending.endswith(SOURCE_ENDINGS):
input_files.append(arg)
has_source_inputs = True
+ elif arg_ending.endswith(HEADER_ENDINGS):
+ input_files.append(arg)
+ has_header_inputs = True
elif arg_ending.endswith(ASSEMBLY_ENDINGS) or shared.Building.is_bitcode(arg): # this should be bitcode, make sure it is valid
input_files.append(arg)
elif arg_ending.endswith(STATICLIB_ENDINGS + DYNAMICLIB_ENDINGS):
@@ -1125,7 +1118,7 @@ try:
# -c means do not link in gcc, and for us, the parallel is to not go all the way to JS, but stop at bitcode
has_dash_c = '-c' in newargs
if has_dash_c:
- assert has_source_inputs, 'Must have source code inputs to use -c'
+ assert has_source_inputs or has_header_inputs, 'Must have source code or header inputs to use -c'
target = target_basename + '.o'
final_suffix = 'o'
@@ -1159,7 +1152,7 @@ try:
input_files = filter(lambda input_file: check(input_file), input_files)
if len(input_files) == 0:
- logging.error('no input files\nnote that input files without a known suffix are ignored, make sure your input files end with one of: ' + str(SOURCE_ENDINGS + BITCODE_ENDINGS + DYNAMICLIB_ENDINGS + STATICLIB_ENDINGS + ASSEMBLY_ENDINGS))
+ logging.error('no input files\nnote that input files without a known suffix are ignored, make sure your input files end with one of: ' + str(SOURCE_ENDINGS + BITCODE_ENDINGS + DYNAMICLIB_ENDINGS + STATICLIB_ENDINGS + ASSEMBLY_ENDINGS + HEADER_ENDINGS))
exit(0)
newargs = CC_ADDITIONAL_ARGS + newargs
@@ -1299,6 +1292,15 @@ try:
log_time('parse arguments and setup')
+ # Precompiled headers support
+ if has_header_inputs:
+ for header in input_files:
+ assert header.endswith(HEADER_ENDINGS), 'if you have one header input, we assume you want to precompile headers, and cannot have source files or other inputs as well: ' + str(input_files) + ' : ' + header
+ args = newargs + shared.EMSDK_CXX_OPTS + input_files
+ logging.debug("running (for precompiled headers: " + call + ' ' + ' '.join(args))
+ execute([call] + args) # let compiler frontend print directly, so colors are saved (PIPE kills that)
+ sys.exit(1)
+
# First, generate LLVM bitcode. For each input file, we get base.o with bitcode
for input_file in input_files:
file_ending = filename_type_ending(input_file)