The system appears to not yet recognise 10.10 as a valid version of OS X. When running configure: checking for a 64-bit only build... yes checking for a 32-bit only build... no checking for a supported OS... ok (darwin) checking for the kernel version... unsupported (14.0.0) configure: error: Valgrind works on Darwin 10.x, 11.x, 12.x and 13.x (Mac OS X 10.6/7/8/9) READ THIS: https://github.com/Homebrew/homebrew/wiki/troubleshooting Reproducible: Always Steps to Reproduce: $ brew install valgrind Actual Results: ==> Downloading http://valgrind.org/downloads/valgrind-3.10.0.tar.bz2 Already downloaded: /Library/Caches/Homebrew/valgrind-3.10.0.tar.bz2 ==> Downloading https://gist.githubusercontent.com/jacknagel/369bedc191e0a0795358/raw/a71e6c0fd Already downloaded: /Library/Caches/Homebrew/valgrind--patch-4210431e2a12c191875391b144b9a45cc76496c1.diff ==> Patching patching file coregrind/Makefile.in patching file coregrind/link_tool_exe_darwin.in ==> ./configure --prefix=/usr/local/Cellar/valgrind/3.10.0 --enable-only64bit --build=amd64-dar checking for a 64-bit only build... yes checking for a 32-bit only build... no checking for a supported OS... ok (darwin) checking for the kernel version... unsupported (14.0.0) configure: error: Valgrind works on Darwin 10.x, 11.x, 12.x and 13.x (Mac OS X 10.6/7/8/9) READ THIS: https://github.com/Homebrew/homebrew/wiki/troubleshooting Expected Results: It would install successfully.
Created attachment 89261 [details] System specs
The install is the least of your problems - we check the version because new versions typically won't work until a significant amount of work is done to make things run. *** This bug has been marked as a duplicate of bug 339045 ***