OS X 10.9.2: checking whether the C compiler works… no

Question

I\'m attempting to install texinfo 5.2, and I\'m running into some issues during ./configure, which I believe are related to the C compiler. When I upgraded fr

Answer 1

I faced this same problem after installing xcode; All I had to do was run gcc. This then asked me to accept the xcode license. After, it just worked fine.

Hope this helps someone.

Answer 2

I had similar "checking whether the C compiler works... no" problem in my yosemite mac.

I checked some things:

$ which gcc
gcc: aliased to nocorrect gcc
$ ll /usr/bin/gcc
-rwxr-xr-x  1 root  wheel    14K 27 Sep 04:06 /usr/bin/gcc
$ gcc
gcc: fatal error: no input files
compilation terminated.
$ gcc --version
gcc: warning: couldn't understand kern.osversion '14.0.0
gcc (GCC) 4.8.3
Copyright (C) 2013 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Then I installed it doing:

$ brew install gcc
Error: You must `brew link cloog' before gcc can be installed
$ brew link cloog
Linking /usr/local/Cellar/cloog/0.18.1... 8 symlinks created
$ brew install gcc
Error: gcc-4.8.3 already installed
To install this version, first `brew unlink gcc'
$ brew unlink gcc
Unlinking /usr/local/Cellar/gcc/4.8.3... 39 symlinks removed
$ brew install gcc
....

And it worked:

$ gcc --version
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/usr/include/c++/4.2.1
Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn)
Target: x86_64-apple-darwin14.0.0
Thread model: posix

Answer 3

sudo ln -s \ 
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/ \
/Applications/Xcode.app/Contents/Developer/Toolchains/OSX10.9.xctoolchain

Answer 4

I encountered this while setting up a React Native project. This solution worked.

sudo xcode-select --switch /Applications/Xcode.app

Answer 5

gcc -version

Agreeing to the Xcode/iOS license requires admin privileges, please re-run as root via sudo.

Answer 6

For me the issue was I had not run

xcode-select --install

Once I did that everything ran fine