install error when running ./bootstrap.py on mac

[wanghan02]

Errors occurred when I run bootstrap.py. ninja is not generated.

macbuild:ninja $ ./bootstrap.py DEPRECATED: this script will be deleted. use "configure.py --bootstrap" instead. bootstrapping ninja... warning: A compatible version of re2c (>= 0.11.3) was not found; changes to src/.in.cc will not affect your build. Undefined symbols for architecture x86_64: "std::__throw_out_of_rangefmt(char const, ...)", referenced from: ElideMiddle(std::basic_string<char, std::char_traits, std::allocator > const&, unsigned long) in libninja.a(util.o) ParseVersion(std::basic_string<char, std::chartraits, std::allocator > const&, int, int*) in libninja.a(version.o) ld: symbol(s) not found for architecture x86_64 collect2: error: ld returned 1 exit status when running: g++ -Lbuild -o ninja build/ninja.o -lninja Traceback (most recent call last): File "configure.py", line 494, in variables=[('libs', libs)]) File "configure.py", line 148, in build self._run_command(self._expand(cmd, local_vars)) File "configure.py", line 169, in _run_command subprocess.check_call(cmdline, shell=True) File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 540, in check_call raise CalledProcessError(retcode, cmd) subprocess.CalledProcessError: Command 'g++ -Lbuild -o ninja build/ninja.o -lninja' returned non-zero exit status 1 Traceback (most recent call last): File "./bootstrap.py", line 23, in subprocess.check_call([sys.executable, 'configure.py', '--bootstrap']) File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 540, in check_call raise CalledProcessError(retcode, cmd) subprocess.CalledProcessError: Command '['/usr/bin/python', 'configure.py', '--bootstrap']' returned non-zero exit status 1

[wanghan02]

Issue solved. I installed gcc and it set CXX to g++. Changed it back to clang and it works fine.