From 8719f1286eb7ccaeaca301619d0d75e14df769ca Mon Sep 17 00:00:00 2001
From: Paul Mackerras <paulus@samba.org>
Date: Fri, 14 Mar 2008 20:24:31 +1100
Subject: [PATCH] gitk: Default to using po2msg.sh if msgfmt doesn't grok
 --tcl, -l and -d

This is a similar change to that submitted by Junio C Hamano for
git-gui.  It tests whether the msgfmt command can be run successfully
with --tcl, -l and -d, and if not, falls back to using po/po2msg.sh.

Signed-off-by: Paul Mackerras <paulus@samba.org>
---
 Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Makefile b/Makefile
index ae2b80b1083..f90dfabffa8 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,7 @@ gitk_libdir   ?= $(sharedir)/gitk/lib
 msgsdir    ?= $(gitk_libdir)/msgs
 msgsdir_SQ  = $(subst ','\'',$(msgsdir))
 
+TCL_PATH ?= tclsh
 TCLTK_PATH ?= wish
 INSTALL ?= install
 RM ?= rm -f
@@ -22,6 +23,9 @@ ifdef NO_MSGFMT
 	MSGFMT ?= $(TCL_PATH) po/po2msg.sh
 else
 	MSGFMT ?= msgfmt
+	ifneq ($(shell $(MSGFMT) --tcl -l C -d . /dev/null 2>/dev/null; echo $$?),0)
+		MSGFMT := $(TCL_PATH) po/po2msg.sh
+	endif
 endif
 
 PO_TEMPLATE = po/gitk.pot