[yelp-xsl/wip/html5] Adding simple localbuild.sh script

[Shaun McCance <shaunm src gnome org>]

commit 5443ba5acfb98b7a6f5455a9986e7575a4d486df
Author: Shaun McCance <shaunm gnome org>
Date:   Thu Apr 14 15:38:27 2016 -0400

    Adding simple localbuild.sh script

 configure.ac  |    1 +
 localbuild.sh |   21 +++++++++++++++++++++
 2 files changed, 22 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 6604e6e..d06cee7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,3 +1,4 @@
+# Do not split AC_INIT across multiple lines without making localbuild.sh smarter
 AC_INIT([yelp-xsl],[3.17.90],[http://bugzilla.gnome.org/enter_bug.cgi?product=yelp-xsl])
 
 AC_CONFIG_MACRO_DIR([m4])
diff --git a/localbuild.sh b/localbuild.sh
new file mode 100755
index 0000000..f5d2b99
--- /dev/null
+++ b/localbuild.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+# This script is for building enough of yelp-xsl to run transforms
+# against the local, in-tree build. It's not for installing, disting,
+# or doing anything else fancy. Tools like Pintail use local yelp-xsl
+# copies, and this script means they don't have to pull in autotools.
+
+command -v msgfmt >/dev/null 2>&1 || { echo >&2 "msgfmt required to build yelp-xsl"; exit 1; }
+command -v itstool >/dev/null 2>&1 || { echo >&2 "itstool required to build yelp-xsl"; exit 1; }
+
+YELP_XSL_VERSION=$(grep '^AC_INIT(' configure.ac | sed -e 's/^[^,]*,\[//' -e 's/\].*//')
+
+ALL_LINGUAS=$(grep -v '^#' po/LINGUAS | tr '\n' ' ')
+
+for lang in $ALL_LINGUAS; do
+    msgfmt -o "po/$lang.mo" "po/$lang.po" || exit 1
+done
+itstool -o xslt/common/domains/yelp-xsl.xml -j xslt/common/domains/yelp-xsl.xml.in \
+    $(for lang in $ALL_LINGUAS; do echo "po/$lang.mo"; done)
+
+exit 0