git ships with a compat/regex tree containing a recent regex
release, presumably with the intention of allowing systems with
either no regex or an old regex installed to use the newer compat
version.
With the release of git-2.10.1, the use of a recent regex
is now specifically checked in git-compat-util.h via a
#ifndef REG_STARTEND check at line 979.
Unfortunately, on systems with an older regex shipped as
standard (e.g. HP-UX 11), the include path picks up
/usr/include/regex.h first, which doesn't define REG_STARTEND
and the git-compat-util.h check fails.
The fix I applied on HP-UX 11 was to add -Icompat/regex
to the CFLAGS ahead of other -I directives. Another possible
change needed might be to line 69 of compat/regex/regex.c:
#include "regex.h"
This is to ensure that /usr/include/regex.h isn't picked up
(since git ships its own regex.h in the compat/regex
dir, it probably shouldn't #include <regex.h> anyway,
which risks picking up an incompatible regex.h).
Richard K. Lloyd, E-mail: richard.lloyd@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
Connect Internet Solutions, WWW: https://www.connectinternetsolutions.com/
4th Floor, New Barratt House,
47, North John Street,
Liverpool,
Merseyside, UK. L2 6SG
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