Re: [BUG] daemon.c blows up on OSX

[Linus Torvalds]

On Wed, 20 Dec 2006, Randal L. Schwartz wrote:
> 
> According to my headers, "strncasecmp" is defined in <string.h>,
> "NI_MAXSERV" is defined in <netdb.h>, and "initgrps" is defined
> in "unistd.h".  So this patch works (just verified on OSX), but I
> don't know what damage it does elsehwere:

Look at "cache.h": the first thing it does is to include 
"git-compat-util.h". And THAT in turn does include ALL the headers you 
added (string.h, netdb.h and unistd.h).

So it would appear that for OS X, the

	#define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */
	#define _GNU_SOURCE
	#define _BSD_SOURCE

sequence actually _disables_ those things.

Some googling finds a python source diff:

	   # On Mac OS X 10.4, defining _POSIX_C_SOURCE or _XOPEN_SOURCE
	   # disables platform specific features beyond repair.
	-  Darwin/8.*)
	+  Darwin/8.*|Darwin/7.*)
	     define_xopen_source=no
	     ;;

(and Ruby shows up as well in the google)

Can you try to grovel around in the OS X headers, and see what the magic 
is to enable all the compatibility crud on OS X?

		Linus
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