make-dist: generate strace-*.tar.gz, strace.dsc, and strace.spec

Change make-dist to generate strace-*.tar.gz, strace.dsc,
and strace.spec in addition to strace-*.tar.xz.

* configure.ac (AM_INIT_AUTOMAKE): Remove no-dist-gzip.
* make-dsc: New file.
* make-dist: Use it.
* .gitignore: Add strace-*.tar.gz, strace.dsc, and strace.spec.
diff --git a/.gitignore b/.gitignore
index f407a17..68efd60 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,7 +52,10 @@
 /sen.h
 /stamp-h1
 /strace
+/strace-*.tar.gz
 /strace-*.tar.xz
+/strace.dsc
+/strace.spec
 /sys_func.h
 /test-driver
 /tests-m32
diff --git a/configure.ac b/configure.ac
index ea89de4..3f5a340 100644
--- a/configure.ac
+++ b/configure.ac
@@ -36,7 +36,7 @@
 AC_CONFIG_SRCDIR([strace.c])
 AC_CONFIG_AUX_DIR([.])
 AC_CONFIG_HEADERS([config.h])
-AM_INIT_AUTOMAKE([foreign nostdinc dist-xz no-dist-gzip silent-rules parallel-tests])
+AM_INIT_AUTOMAKE([foreign nostdinc dist-xz silent-rules parallel-tests])
 AM_MAINTAINER_MODE
 AC_CANONICAL_HOST
 
diff --git a/make-dist b/make-dist
index f0e7296..9accae7 100755
--- a/make-dist
+++ b/make-dist
@@ -28,4 +28,8 @@
 	echo 'SKIP: make news-check'
 fi
 
-mv -f strace-*.tar.xz ..
+./make-dsc strace-*.tar.gz > ../strace.dsc
+
+cat strace.spec > ../strace.spec
+
+mv -f strace-*.tar.[gx]z ..
diff --git a/make-dsc b/make-dsc
new file mode 100755
index 0000000..951c5a9
--- /dev/null
+++ b/make-dsc
@@ -0,0 +1,49 @@
+#!/bin/sh -e
+
+exec < /dev/null
+
+cat <<__EOF__
+Format: 1.0
+$(sed '/^Source:[[:space:]]*/!d;q' debian/control)
+Binary: $(sed '/^Package:[[:space:]]*/!d;s///' debian/control |
+	tr '\n' ' ' | sed 's/ ./,&/g')
+$(sed '/^Architecture:[[:space:]]*/!d;q' debian/control)
+Version: $(sed -n '1s/^[^(]*(\([^)]\+\)).*/\1/p' debian/changelog)
+$(sed '/^Maintainer:[[:space:]]*/!d;q' debian/control)
+$(sed '/^Homepage:[[:space:]]*/!d;q' debian/control)
+$(sed '/^Standards-Version:[[:space:]]*/!d;q' debian/control)
+$(sed '/^Build-Depends:[[:space:]]*/!d;q' debian/control)
+Package-List:
+ strace deb $(
+	sed '/^Section:[[:space:]]*/!d;s///;q' debian/control) $(
+	sed '/^Priority:[[:space:]]*/!d;s///;q' debian/control) arch=$(
+	sed -n "/^Package:[[:space:]]*strace\$/,/^\$/p" debian/control |
+		sed -e '/^Architecture:[[:space:]]*/!d;s///' -e 's/ /,/g')
+ strace64 deb $(sed '/^Section:[[:space:]]*/!d;s///;q' debian/control) $(
+	sed -n "/^Package:[[:space:]]*strace64\$/,/^\$/p" debian/control |
+		sed '/^Priority:[[:space:]]*/!d;s///;q') arch=$(
+	sed -n "/^Package:[[:space:]]*strace64\$/,/^\$/p" debian/control |
+		sed -e '/^Architecture:[[:space:]]*/!d;s///' -e 's/ /,/g')
+ strace-udeb udeb $(
+	sed -n "/^Package:[[:space:]]*strace-udeb\$/,/^\$/p" debian/control |
+		sed '/^Section:[[:space:]]*/!d;s///;q') $(
+	sed -n "/^Package:[[:space:]]*strace-udeb\$/,/^\$/p" debian/control |
+		sed '/^Priority:[[:space:]]*/!d;s///;q') arch=$(
+	sed -n "/^Package:[[:space:]]*strace-udeb\$/,/^\$/p" debian/control |
+		sed -e '/^Architecture:[[:space:]]*/!d;s///' -e 's/ /,/g')
+Checksums-Sha1:
+$(for f; do echo " $(
+	sha1sum -- "$f" | sed 's/ .*//') $(
+	stat -c %s -- "$f") $(
+	echo $f | sed 's/-/_/;s/\.tar/.orig&/')"; done)
+Checksums-Sha256:
+$(for f; do echo " $(
+	sha256sum -- "$f" | sed 's/ .*//') $(
+	stat -c %s -- "$f") $(
+	echo $f | sed 's/-/_/;s/\.tar/.orig&/')"; done)
+Files:
+$(for f; do echo " $(
+	md5sum -- "$f" | sed 's/ .*//') $(
+	stat -c %s -- "$f") $(
+	echo $f | sed 's/-/_/;s/\.tar/.orig&/')"; done)
+__EOF__