[PATCH v2 2/6] Add tar extract install options override in installation processing.

[randall.s.becker@rogers.com]

From: "Randall S. Becker" <rsbecker@nexbridge.com>

* Makefile: Add TAR_EXTRACT_OPTIONS to allow platform options to be
  specified if needed. The default is xof.

Signed-off-by: Randall S. Becker <rsbecker@nexbridge.com>
---
 Makefile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 1a9b23b67..040e9eacd 100644
--- a/Makefile
+++ b/Makefile
@@ -429,6 +429,9 @@ all::
 # running the test scripts (e.g., bash has better support for "set -x"
 # tracing).
 #
+# Define TAR_EXTRACT_OPTIONS if you want to change the default behaviour
+# from xvf to something else during installation.
+#
 # When cross-compiling, define HOST_CPU as the canonical name of the CPU on
 # which the built Git will run (for instance "x86_64").
 
@@ -452,6 +455,7 @@ LDFLAGS =
 ALL_CFLAGS = $(CPPFLAGS) $(CFLAGS)
 ALL_LDFLAGS = $(LDFLAGS)
 STRIP ?= strip
+TAR_EXTRACT_OPTIONS = xof
 
 # Create as necessary, replace existing, make ranlib unneeded.
 ARFLAGS = rcs
@@ -2569,7 +2573,7 @@ install: all
 ifndef NO_GETTEXT
 	$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(localedir_SQ)'
 	(cd po/build/locale && $(TAR) cf - .) | \
-	(cd '$(DESTDIR_SQ)$(localedir_SQ)' && umask 022 && $(TAR) xof -)
+	(cd '$(DESTDIR_SQ)$(localedir_SQ)' && umask 022 && $(TAR) $(TAR_EXTRACT_OPTIONS) -)
 endif
 ifndef NO_PERL
 	$(MAKE) -C perl prefix='$(prefix_SQ)' DESTDIR='$(DESTDIR_SQ)' install
-- 
2.16.0.31.gf1a482c