From c05f1ee5e52cfa8e37e21b381e42681e5edef330 Mon Sep 17 00:00:00 2001
From: Joshua MacDonald <josh.macdonald@gmail.com>
Date: Wed, 4 May 2016 22:35:23 -0700
Subject: Make run_release.sh handle build directory missing / not empty

---
 xdelta3/Makefile.am    |  4 ++--
 xdelta3/configure.ac   |  3 ++-
 xdelta3/install-sh     |  2 +-
 xdelta3/run_release.sh | 15 +++++++++++----
 4 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/xdelta3/Makefile.am b/xdelta3/Makefile.am
index 2280083..d89584d 100644
--- a/xdelta3/Makefile.am
+++ b/xdelta3/Makefile.am
@@ -46,7 +46,7 @@ xdelta3checksum_SOURCES = $(common_SOURCES) \
 # not automatically built or run.  Install Go-1.5.x or later, add
 # `pwd`/go in $GOPATH, and (cd go/src && go run regtest.go).
 # TODO(jmacd): replace hard-coded path names in regtest.go w/ flags.
-GOLANG_SOURCES = \
+GOLANG_SRCS = \
 	go/src/xdelta/test.go \
 	go/src/xdelta/rstream.go \
 	go/src/xdelta/tgroup.go \
@@ -123,7 +123,7 @@ EXTRA_DIST = \
 	README.md \
 	run_release.sh \
 	draft-korn-vcdiff.txt \
-	$(GOLANG_SOURCES) \
+	$(GOLANG_SRCS) \
 	examples/Makefile \
 	examples/README.md \
 	examples/compare_test.c \
diff --git a/xdelta3/configure.ac b/xdelta3/configure.ac
index a6ba41a..5d81f38 100644
--- a/xdelta3/configure.ac
+++ b/xdelta3/configure.ac
@@ -3,7 +3,8 @@ AC_INIT([Xdelta3], [3.1.1], [josh.macdonald@gmail.com],
 AC_PREREQ([2.68])
 AC_CONFIG_MACRO_DIR([m4])
 LT_INIT
-AM_INIT_AUTOMAKE([1.9 no-define foreign tar-ustar subdir-objects])
+AM_INIT_AUTOMAKE([1.15 no-define foreign tar-ustar subdir-objects])
+AC_CONFIG_MACRO_DIRS([m4])
 
 AX_CHECK_ALIGNED_ACCESS_REQUIRED
 AC_PROG_CC
diff --git a/xdelta3/install-sh b/xdelta3/install-sh
index 292a426..545f111 120000
--- a/xdelta3/install-sh
+++ b/xdelta3/install-sh
@@ -1 +1 @@
-/usr/share/automake-1.14/install-sh
\ No newline at end of file
+/opt/local/share/automake-1.15/install-sh
\ No newline at end of file
diff --git a/xdelta3/run_release.sh b/xdelta3/run_release.sh
index a6933b5..ca1e47e 100755
--- a/xdelta3/run_release.sh
+++ b/xdelta3/run_release.sh
@@ -5,7 +5,7 @@ SRCDIR=${PWD}
 
 # TODO replace w/ wget
 LZMA="xz-5.2.1"
-LZMA_FILE="${SRCDIR}/../${LZMA}.tar.xz"
+LZMA_FILE="${SRCDIR}/../${LZMA}.tar.gz"
 
 MAKEFLAGS="-j 10"
 
@@ -40,15 +40,22 @@ if [ "${TMPDIR}" != "" ]; then
     XTMP="${TMPDIR}"
 fi
 
-find build -type f 2> /dev/null | xargs rm -f
+BUILDFILES=`ls -A ${BUILDDIR} 2> /dev/null`
+if [ -d "${BUILDDIR}" ]; then
+    if [ -n "${BUILDFILES}" ]; then
+	echo "Directory ${BUILDDIR} should be empty"
+	exit 1
+    fi
+else
+    mkdir "${BUILDDIR}"
+fi
 
 function setup {
-    libtoolize
+    libtoolize || glibtoolize
     automake --add-missing
     aclocal -I m4
     autoheader
     automake
-    autoheader
     autoconf
 }
 
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