mirror of
https://github.com/godotengine/godot.git
synced 2024-11-21 03:18:37 +08:00
cd4e46ee65
Configured for a max line length of 120 characters. psf/black is very opinionated and purposely doesn't leave much room for configuration. The output is mostly OK so that should be fine for us, but some things worth noting: - Manually wrapped strings will be reflowed, so by using a line length of 120 for the sake of preserving readability for our long command calls, it also means that some manually wrapped strings are back on the same line and should be manually merged again. - Code generators using string concatenation extensively look awful, since black puts each operand on a single line. We need to refactor these generators to use more pythonic string formatting, for which many options are available (`%`, `format` or f-strings). - CI checks and a pre-commit hook will be added to ensure that future buildsystem changes are well-formatted.
633 lines
24 KiB
Python
633 lines
24 KiB
Python
import os
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import re
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import glob
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import subprocess
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def add_source_files(self, sources, files, warn_duplicates=True):
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# Convert string to list of absolute paths (including expanding wildcard)
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if isinstance(files, (str, bytes)):
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# Keep SCons project-absolute path as they are (no wildcard support)
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if files.startswith("#"):
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if "*" in files:
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print("ERROR: Wildcards can't be expanded in SCons project-absolute path: '{}'".format(files))
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return
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files = [files]
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else:
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dir_path = self.Dir(".").abspath
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files = sorted(glob.glob(dir_path + "/" + files))
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# Add each path as compiled Object following environment (self) configuration
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for path in files:
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obj = self.Object(path)
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if obj in sources:
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if warn_duplicates:
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print('WARNING: Object "{}" already included in environment sources.'.format(obj))
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else:
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continue
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sources.append(obj)
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def disable_warnings(self):
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# 'self' is the environment
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if self.msvc:
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# We have to remove existing warning level defines before appending /w,
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# otherwise we get: "warning D9025 : overriding '/W3' with '/w'"
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warn_flags = ["/Wall", "/W4", "/W3", "/W2", "/W1", "/WX"]
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self.Append(CCFLAGS=["/w"])
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self.Append(CFLAGS=["/w"])
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self.Append(CXXFLAGS=["/w"])
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self["CCFLAGS"] = [x for x in self["CCFLAGS"] if not x in warn_flags]
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self["CFLAGS"] = [x for x in self["CFLAGS"] if not x in warn_flags]
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self["CXXFLAGS"] = [x for x in self["CXXFLAGS"] if not x in warn_flags]
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else:
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self.Append(CCFLAGS=["-w"])
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self.Append(CFLAGS=["-w"])
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self.Append(CXXFLAGS=["-w"])
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def add_module_version_string(self, s):
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self.module_version_string += "." + s
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def update_version(module_version_string=""):
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build_name = "custom_build"
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if os.getenv("BUILD_NAME") != None:
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build_name = os.getenv("BUILD_NAME")
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print("Using custom build name: " + build_name)
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import version
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# NOTE: It is safe to generate this file here, since this is still executed serially
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f = open("core/version_generated.gen.h", "w")
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f.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
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f.write("#ifndef VERSION_GENERATED_GEN_H\n")
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f.write("#define VERSION_GENERATED_GEN_H\n")
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f.write('#define VERSION_SHORT_NAME "' + str(version.short_name) + '"\n')
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f.write('#define VERSION_NAME "' + str(version.name) + '"\n')
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f.write("#define VERSION_MAJOR " + str(version.major) + "\n")
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f.write("#define VERSION_MINOR " + str(version.minor) + "\n")
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f.write("#define VERSION_PATCH " + str(version.patch) + "\n")
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f.write('#define VERSION_STATUS "' + str(version.status) + '"\n')
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f.write('#define VERSION_BUILD "' + str(build_name) + '"\n')
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f.write('#define VERSION_MODULE_CONFIG "' + str(version.module_config) + module_version_string + '"\n')
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f.write("#define VERSION_YEAR " + str(version.year) + "\n")
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f.write('#define VERSION_WEBSITE "' + str(version.website) + '"\n')
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f.write("#endif // VERSION_GENERATED_GEN_H\n")
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f.close()
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# NOTE: It is safe to generate this file here, since this is still executed serially
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fhash = open("core/version_hash.gen.h", "w")
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fhash.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
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fhash.write("#ifndef VERSION_HASH_GEN_H\n")
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fhash.write("#define VERSION_HASH_GEN_H\n")
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githash = ""
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gitfolder = ".git"
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if os.path.isfile(".git"):
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module_folder = open(".git", "r").readline().strip()
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if module_folder.startswith("gitdir: "):
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gitfolder = module_folder[8:]
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if os.path.isfile(os.path.join(gitfolder, "HEAD")):
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head = open(os.path.join(gitfolder, "HEAD"), "r").readline().strip()
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if head.startswith("ref: "):
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head = os.path.join(gitfolder, head[5:])
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if os.path.isfile(head):
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githash = open(head, "r").readline().strip()
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else:
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githash = head
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fhash.write('#define VERSION_HASH "' + githash + '"\n')
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fhash.write("#endif // VERSION_HASH_GEN_H\n")
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fhash.close()
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def parse_cg_file(fname, uniforms, sizes, conditionals):
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fs = open(fname, "r")
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line = fs.readline()
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while line:
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if re.match(r"^\s*uniform", line):
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res = re.match(r"uniform ([\d\w]*) ([\d\w]*)")
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type = res.groups(1)
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name = res.groups(2)
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uniforms.append(name)
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if type.find("texobj") != -1:
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sizes.append(1)
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else:
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t = re.match(r"float(\d)x(\d)", type)
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if t:
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sizes.append(int(t.groups(1)) * int(t.groups(2)))
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else:
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t = re.match(r"float(\d)", type)
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sizes.append(int(t.groups(1)))
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if line.find("[branch]") != -1:
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conditionals.append(name)
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line = fs.readline()
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fs.close()
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def detect_modules():
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module_list = []
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includes_cpp = ""
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register_cpp = ""
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unregister_cpp = ""
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preregister_cpp = ""
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files = glob.glob("modules/*")
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files.sort() # so register_module_types does not change that often, and also plugins are registered in alphabetic order
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for x in files:
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if not os.path.isdir(x):
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continue
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if not os.path.exists(x + "/config.py"):
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continue
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x = x.replace("modules/", "") # rest of world
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x = x.replace("modules\\", "") # win32
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module_list.append(x)
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try:
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with open("modules/" + x + "/register_types.h"):
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includes_cpp += '#include "modules/' + x + '/register_types.h"\n'
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register_cpp += "#ifdef MODULE_" + x.upper() + "_ENABLED\n"
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register_cpp += "\tregister_" + x + "_types();\n"
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register_cpp += "#endif\n"
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preregister_cpp += "#ifdef MODULE_" + x.upper() + "_ENABLED\n"
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preregister_cpp += "#ifdef MODULE_" + x.upper() + "_HAS_PREREGISTER\n"
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preregister_cpp += "\tpreregister_" + x + "_types();\n"
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preregister_cpp += "#endif\n"
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preregister_cpp += "#endif\n"
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unregister_cpp += "#ifdef MODULE_" + x.upper() + "_ENABLED\n"
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unregister_cpp += "\tunregister_" + x + "_types();\n"
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unregister_cpp += "#endif\n"
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except IOError:
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pass
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modules_cpp = """// register_module_types.gen.cpp
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/* THIS FILE IS GENERATED DO NOT EDIT */
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#include "register_module_types.h"
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#include "modules/modules_enabled.gen.h"
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%s
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void preregister_module_types() {
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%s
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}
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void register_module_types() {
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%s
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}
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void unregister_module_types() {
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%s
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}
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""" % (
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includes_cpp,
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preregister_cpp,
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register_cpp,
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unregister_cpp,
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)
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# NOTE: It is safe to generate this file here, since this is still executed serially
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with open("modules/register_module_types.gen.cpp", "w") as f:
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f.write(modules_cpp)
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return module_list
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def disable_module(self):
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self.disabled_modules.append(self.current_module)
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def use_windows_spawn_fix(self, platform=None):
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if os.name != "nt":
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return # not needed, only for windows
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# On Windows, due to the limited command line length, when creating a static library
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# from a very high number of objects SCons will invoke "ar" once per object file;
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# that makes object files with same names to be overwritten so the last wins and
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# the library looses symbols defined by overwritten objects.
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# By enabling quick append instead of the default mode (replacing), libraries will
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# got built correctly regardless the invocation strategy.
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# Furthermore, since SCons will rebuild the library from scratch when an object file
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# changes, no multiple versions of the same object file will be present.
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self.Replace(ARFLAGS="q")
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def mySubProcess(cmdline, env):
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startupinfo = subprocess.STARTUPINFO()
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startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
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proc = subprocess.Popen(
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cmdline,
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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startupinfo=startupinfo,
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shell=False,
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env=env,
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)
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_, err = proc.communicate()
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rv = proc.wait()
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if rv:
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print("=====")
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print(err)
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print("=====")
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return rv
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def mySpawn(sh, escape, cmd, args, env):
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newargs = " ".join(args[1:])
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cmdline = cmd + " " + newargs
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rv = 0
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env = {str(key): str(value) for key, value in iter(env.items())}
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if len(cmdline) > 32000 and cmd.endswith("ar"):
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cmdline = cmd + " " + args[1] + " " + args[2] + " "
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for i in range(3, len(args)):
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rv = mySubProcess(cmdline + args[i], env)
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if rv:
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break
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else:
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rv = mySubProcess(cmdline, env)
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return rv
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self["SPAWN"] = mySpawn
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def save_active_platforms(apnames, ap):
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for x in ap:
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names = ["logo"]
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if os.path.isfile(x + "/run_icon.png"):
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names.append("run_icon")
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for name in names:
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pngf = open(x + "/" + name + ".png", "rb")
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b = pngf.read(1)
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str = " /* AUTOGENERATED FILE, DO NOT EDIT */ \n"
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str += " static const unsigned char _" + x[9:] + "_" + name + "[]={"
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while len(b) == 1:
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str += hex(ord(b))
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b = pngf.read(1)
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if len(b) == 1:
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str += ","
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str += "};\n"
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pngf.close()
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# NOTE: It is safe to generate this file here, since this is still executed serially
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wf = x + "/" + name + ".gen.h"
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with open(wf, "w") as pngw:
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pngw.write(str)
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def no_verbose(sys, env):
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colors = {}
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# Colors are disabled in non-TTY environments such as pipes. This means
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# that if output is redirected to a file, it will not contain color codes
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if sys.stdout.isatty():
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colors["cyan"] = "\033[96m"
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colors["purple"] = "\033[95m"
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colors["blue"] = "\033[94m"
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colors["green"] = "\033[92m"
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colors["yellow"] = "\033[93m"
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colors["red"] = "\033[91m"
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colors["end"] = "\033[0m"
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else:
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colors["cyan"] = ""
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colors["purple"] = ""
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colors["blue"] = ""
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colors["green"] = ""
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colors["yellow"] = ""
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colors["red"] = ""
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colors["end"] = ""
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compile_source_message = "{}Compiling {}==> {}$SOURCE{}".format(
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colors["blue"], colors["purple"], colors["yellow"], colors["end"]
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)
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java_compile_source_message = "{}Compiling {}==> {}$SOURCE{}".format(
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colors["blue"], colors["purple"], colors["yellow"], colors["end"]
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)
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compile_shared_source_message = "{}Compiling shared {}==> {}$SOURCE{}".format(
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colors["blue"], colors["purple"], colors["yellow"], colors["end"]
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)
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link_program_message = "{}Linking Program {}==> {}$TARGET{}".format(
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colors["red"], colors["purple"], colors["yellow"], colors["end"]
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)
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link_library_message = "{}Linking Static Library {}==> {}$TARGET{}".format(
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colors["red"], colors["purple"], colors["yellow"], colors["end"]
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)
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ranlib_library_message = "{}Ranlib Library {}==> {}$TARGET{}".format(
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colors["red"], colors["purple"], colors["yellow"], colors["end"]
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)
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link_shared_library_message = "{}Linking Shared Library {}==> {}$TARGET{}".format(
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colors["red"], colors["purple"], colors["yellow"], colors["end"]
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)
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java_library_message = "{}Creating Java Archive {}==> {}$TARGET{}".format(
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colors["red"], colors["purple"], colors["yellow"], colors["end"]
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)
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env.Append(CXXCOMSTR=[compile_source_message])
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env.Append(CCCOMSTR=[compile_source_message])
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env.Append(SHCCCOMSTR=[compile_shared_source_message])
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env.Append(SHCXXCOMSTR=[compile_shared_source_message])
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env.Append(ARCOMSTR=[link_library_message])
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env.Append(RANLIBCOMSTR=[ranlib_library_message])
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env.Append(SHLINKCOMSTR=[link_shared_library_message])
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env.Append(LINKCOMSTR=[link_program_message])
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env.Append(JARCOMSTR=[java_library_message])
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env.Append(JAVACCOMSTR=[java_compile_source_message])
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def detect_visual_c_compiler_version(tools_env):
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# tools_env is the variable scons uses to call tools that execute tasks, SCons's env['ENV'] that executes tasks...
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# (see the SCons documentation for more information on what it does)...
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# in order for this function to be well encapsulated i choose to force it to receive SCons's TOOLS env (env['ENV']
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# and not scons setup environment (env)... so make sure you call the right environment on it or it will fail to detect
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# the proper vc version that will be called
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# There is no flag to give to visual c compilers to set the architecture, ie scons bits argument (32,64,ARM etc)
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# There are many different cl.exe files that are run, and each one compiles & links to a different architecture
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# As far as I know, the only way to figure out what compiler will be run when Scons calls cl.exe via Program()
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# is to check the PATH variable and figure out which one will be called first. Code below does that and returns:
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# the following string values:
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# "" Compiler not detected
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# "amd64" Native 64 bit compiler
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# "amd64_x86" 64 bit Cross Compiler for 32 bit
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# "x86" Native 32 bit compiler
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# "x86_amd64" 32 bit Cross Compiler for 64 bit
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# There are other architectures, but Godot does not support them currently, so this function does not detect arm/amd64_arm
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# and similar architectures/compilers
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# Set chosen compiler to "not detected"
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vc_chosen_compiler_index = -1
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vc_chosen_compiler_str = ""
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# Start with Pre VS 2017 checks which uses VCINSTALLDIR:
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if "VCINSTALLDIR" in tools_env:
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# print("Checking VCINSTALLDIR")
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# find() works with -1 so big ifs below are needed... the simplest solution, in fact
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# First test if amd64 and amd64_x86 compilers are present in the path
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vc_amd64_compiler_detection_index = tools_env["PATH"].find(tools_env["VCINSTALLDIR"] + "BIN\\amd64;")
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if vc_amd64_compiler_detection_index > -1:
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vc_chosen_compiler_index = vc_amd64_compiler_detection_index
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vc_chosen_compiler_str = "amd64"
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vc_amd64_x86_compiler_detection_index = tools_env["PATH"].find(tools_env["VCINSTALLDIR"] + "BIN\\amd64_x86;")
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if vc_amd64_x86_compiler_detection_index > -1 and (
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vc_chosen_compiler_index == -1 or vc_chosen_compiler_index > vc_amd64_x86_compiler_detection_index
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):
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vc_chosen_compiler_index = vc_amd64_x86_compiler_detection_index
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vc_chosen_compiler_str = "amd64_x86"
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# Now check the 32 bit compilers
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vc_x86_compiler_detection_index = tools_env["PATH"].find(tools_env["VCINSTALLDIR"] + "BIN;")
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if vc_x86_compiler_detection_index > -1 and (
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vc_chosen_compiler_index == -1 or vc_chosen_compiler_index > vc_x86_compiler_detection_index
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):
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vc_chosen_compiler_index = vc_x86_compiler_detection_index
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vc_chosen_compiler_str = "x86"
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vc_x86_amd64_compiler_detection_index = tools_env["PATH"].find(tools_env["VCINSTALLDIR"] + "BIN\\x86_amd64;")
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if vc_x86_amd64_compiler_detection_index > -1 and (
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vc_chosen_compiler_index == -1 or vc_chosen_compiler_index > vc_x86_amd64_compiler_detection_index
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):
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vc_chosen_compiler_index = vc_x86_amd64_compiler_detection_index
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vc_chosen_compiler_str = "x86_amd64"
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# and for VS 2017 and newer we check VCTOOLSINSTALLDIR:
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if "VCTOOLSINSTALLDIR" in tools_env:
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# Newer versions have a different path available
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vc_amd64_compiler_detection_index = (
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tools_env["PATH"].upper().find(tools_env["VCTOOLSINSTALLDIR"].upper() + "BIN\\HOSTX64\\X64;")
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)
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if vc_amd64_compiler_detection_index > -1:
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vc_chosen_compiler_index = vc_amd64_compiler_detection_index
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vc_chosen_compiler_str = "amd64"
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vc_amd64_x86_compiler_detection_index = (
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tools_env["PATH"].upper().find(tools_env["VCTOOLSINSTALLDIR"].upper() + "BIN\\HOSTX64\\X86;")
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)
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if vc_amd64_x86_compiler_detection_index > -1 and (
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vc_chosen_compiler_index == -1 or vc_chosen_compiler_index > vc_amd64_x86_compiler_detection_index
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):
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vc_chosen_compiler_index = vc_amd64_x86_compiler_detection_index
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vc_chosen_compiler_str = "amd64_x86"
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vc_x86_compiler_detection_index = (
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tools_env["PATH"].upper().find(tools_env["VCTOOLSINSTALLDIR"].upper() + "BIN\\HOSTX86\\X86;")
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)
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if vc_x86_compiler_detection_index > -1 and (
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vc_chosen_compiler_index == -1 or vc_chosen_compiler_index > vc_x86_compiler_detection_index
|
|
):
|
|
vc_chosen_compiler_index = vc_x86_compiler_detection_index
|
|
vc_chosen_compiler_str = "x86"
|
|
|
|
vc_x86_amd64_compiler_detection_index = (
|
|
tools_env["PATH"].upper().find(tools_env["VCTOOLSINSTALLDIR"].upper() + "BIN\\HOSTX86\\X64;")
|
|
)
|
|
if vc_x86_amd64_compiler_detection_index > -1 and (
|
|
vc_chosen_compiler_index == -1 or vc_chosen_compiler_index > vc_x86_amd64_compiler_detection_index
|
|
):
|
|
vc_chosen_compiler_index = vc_x86_amd64_compiler_detection_index
|
|
vc_chosen_compiler_str = "x86_amd64"
|
|
|
|
return vc_chosen_compiler_str
|
|
|
|
|
|
def find_visual_c_batch_file(env):
|
|
from SCons.Tool.MSCommon.vc import get_default_version, get_host_target, find_batch_file
|
|
|
|
version = get_default_version(env)
|
|
(host_platform, target_platform, _) = get_host_target(env)
|
|
return find_batch_file(env, version, host_platform, target_platform)[0]
|
|
|
|
|
|
def generate_cpp_hint_file(filename):
|
|
if os.path.isfile(filename):
|
|
# Don't overwrite an existing hint file since the user may have customized it.
|
|
pass
|
|
else:
|
|
try:
|
|
with open(filename, "w") as fd:
|
|
fd.write("#define GDCLASS(m_class, m_inherits)\n")
|
|
except IOError:
|
|
print("Could not write cpp.hint file.")
|
|
|
|
|
|
def generate_vs_project(env, num_jobs):
|
|
batch_file = find_visual_c_batch_file(env)
|
|
if batch_file:
|
|
|
|
def build_commandline(commands):
|
|
common_build_prefix = [
|
|
'cmd /V /C set "plat=$(PlatformTarget)"',
|
|
'(if "$(PlatformTarget)"=="x64" (set "plat=x86_amd64"))',
|
|
'set "tools=yes"',
|
|
'(if "$(Configuration)"=="release" (set "tools=no"))',
|
|
'call "' + batch_file + '" !plat!',
|
|
]
|
|
|
|
result = " ^& ".join(common_build_prefix + [commands])
|
|
return result
|
|
|
|
env.AddToVSProject(env.core_sources)
|
|
env.AddToVSProject(env.main_sources)
|
|
env.AddToVSProject(env.modules_sources)
|
|
env.AddToVSProject(env.scene_sources)
|
|
env.AddToVSProject(env.servers_sources)
|
|
env.AddToVSProject(env.editor_sources)
|
|
|
|
# windows allows us to have spaces in paths, so we need
|
|
# to double quote off the directory. However, the path ends
|
|
# in a backslash, so we need to remove this, lest it escape the
|
|
# last double quote off, confusing MSBuild
|
|
env["MSVSBUILDCOM"] = build_commandline(
|
|
"scons --directory=\"$(ProjectDir.TrimEnd('\\'))\" platform=windows progress=no target=$(Configuration) tools=!tools! -j"
|
|
+ str(num_jobs)
|
|
)
|
|
env["MSVSREBUILDCOM"] = build_commandline(
|
|
"scons --directory=\"$(ProjectDir.TrimEnd('\\'))\" platform=windows progress=no target=$(Configuration) tools=!tools! vsproj=yes -j"
|
|
+ str(num_jobs)
|
|
)
|
|
env["MSVSCLEANCOM"] = build_commandline(
|
|
"scons --directory=\"$(ProjectDir.TrimEnd('\\'))\" --clean platform=windows progress=no target=$(Configuration) tools=!tools! -j"
|
|
+ str(num_jobs)
|
|
)
|
|
|
|
# This version information (Win32, x64, Debug, Release, Release_Debug seems to be
|
|
# required for Visual Studio to understand that it needs to generate an NMAKE
|
|
# project. Do not modify without knowing what you are doing.
|
|
debug_variants = ["debug|Win32"] + ["debug|x64"]
|
|
release_variants = ["release|Win32"] + ["release|x64"]
|
|
release_debug_variants = ["release_debug|Win32"] + ["release_debug|x64"]
|
|
variants = debug_variants + release_variants + release_debug_variants
|
|
debug_targets = ["bin\\godot.windows.tools.32.exe"] + ["bin\\godot.windows.tools.64.exe"]
|
|
release_targets = ["bin\\godot.windows.opt.32.exe"] + ["bin\\godot.windows.opt.64.exe"]
|
|
release_debug_targets = ["bin\\godot.windows.opt.tools.32.exe"] + ["bin\\godot.windows.opt.tools.64.exe"]
|
|
targets = debug_targets + release_targets + release_debug_targets
|
|
if not env.get("MSVS"):
|
|
env["MSVS"]["PROJECTSUFFIX"] = ".vcxproj"
|
|
env["MSVS"]["SOLUTIONSUFFIX"] = ".sln"
|
|
env.MSVSProject(
|
|
target=["#godot" + env["MSVSPROJECTSUFFIX"]],
|
|
incs=env.vs_incs,
|
|
srcs=env.vs_srcs,
|
|
runfile=targets,
|
|
buildtarget=targets,
|
|
auto_build_solution=1,
|
|
variant=variants,
|
|
)
|
|
else:
|
|
print("Could not locate Visual Studio batch file to set up the build environment. Not generating VS project.")
|
|
|
|
|
|
def precious_program(env, program, sources, **args):
|
|
program = env.ProgramOriginal(program, sources, **args)
|
|
env.Precious(program)
|
|
return program
|
|
|
|
|
|
def add_shared_library(env, name, sources, **args):
|
|
library = env.SharedLibrary(name, sources, **args)
|
|
env.NoCache(library)
|
|
return library
|
|
|
|
|
|
def add_library(env, name, sources, **args):
|
|
library = env.Library(name, sources, **args)
|
|
env.NoCache(library)
|
|
return library
|
|
|
|
|
|
def add_program(env, name, sources, **args):
|
|
program = env.Program(name, sources, **args)
|
|
env.NoCache(program)
|
|
return program
|
|
|
|
|
|
def CommandNoCache(env, target, sources, command, **args):
|
|
result = env.Command(target, sources, command, **args)
|
|
env.NoCache(result)
|
|
return result
|
|
|
|
|
|
def detect_darwin_sdk_path(platform, env):
|
|
sdk_name = ""
|
|
if platform == "osx":
|
|
sdk_name = "macosx"
|
|
var_name = "MACOS_SDK_PATH"
|
|
elif platform == "iphone":
|
|
sdk_name = "iphoneos"
|
|
var_name = "IPHONESDK"
|
|
elif platform == "iphonesimulator":
|
|
sdk_name = "iphonesimulator"
|
|
var_name = "IPHONESDK"
|
|
else:
|
|
raise Exception("Invalid platform argument passed to detect_darwin_sdk_path")
|
|
|
|
if not env[var_name]:
|
|
try:
|
|
sdk_path = subprocess.check_output(["xcrun", "--sdk", sdk_name, "--show-sdk-path"]).strip().decode("utf-8")
|
|
if sdk_path:
|
|
env[var_name] = sdk_path
|
|
except (subprocess.CalledProcessError, OSError):
|
|
print("Failed to find SDK path while running xcrun --sdk {} --show-sdk-path.".format(sdk_name))
|
|
raise
|
|
|
|
|
|
def is_vanilla_clang(env):
|
|
if not using_clang(env):
|
|
return False
|
|
version = subprocess.check_output([env["CXX"], "--version"]).strip().decode("utf-8")
|
|
return not version.startswith("Apple")
|
|
|
|
|
|
def get_compiler_version(env):
|
|
"""
|
|
Returns an array of version numbers as ints: [major, minor, patch].
|
|
The return array should have at least two values (major, minor).
|
|
"""
|
|
if not env.msvc:
|
|
# Not using -dumpversion as some GCC distros only return major, and
|
|
# Clang used to return hardcoded 4.2.1: # https://reviews.llvm.org/D56803
|
|
try:
|
|
version = subprocess.check_output([env.subst(env["CXX"]), "--version"]).strip().decode("utf-8")
|
|
except (subprocess.CalledProcessError, OSError):
|
|
print("Couldn't parse CXX environment variable to infer compiler version.")
|
|
return None
|
|
else: # TODO: Implement for MSVC
|
|
return None
|
|
match = re.search("[0-9]+\.[0-9.]+", version)
|
|
if match is not None:
|
|
return list(map(int, match.group().split(".")))
|
|
else:
|
|
return None
|
|
|
|
|
|
def using_gcc(env):
|
|
return "gcc" in os.path.basename(env["CC"])
|
|
|
|
|
|
def using_clang(env):
|
|
return "clang" in os.path.basename(env["CC"])
|