On 2013-07-20 09.49, Benoit Sigoure wrote: > +#ifdef __APPLE__ > +// On OS X libc headers don't define this symbol. > +extern char **environ; > +#endif > + A more generic approach could be: In the file "config.mak.uname": Define a variable in the Darwin section like this NO_EXT_ENVIRON = UnfortunatelyYes In "Makefile", pick it up, and convert it into a compiler option: ifdef NO_EXT_ENVIRON BASIC_CFLAGS += -DNO_EXT_ENVIRON endif And in "git-compat-util.h", add these lines "at a good place": #ifdef NO_EXT_ENVIRON extern char **environ; #endif This will allow other OS to use the NO_EXT_ENVIRON when needed,. Thanks for working on this. /Torsten -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html