From f68a90740192c8c25e4319a27a250b36c653e2f6 Mon Sep 17 00:00:00 2001
From: Pieter Lexis <pieter.lexis@powerdns.com>
Date: Wed, 13 Jan 2016 20:21:38 +0100
Subject: [PATCH] dnsdist: Build manpages from make

Build manpage when they are not there and ensure they are distributed in
the tarball.
---
 build-scripts/dist-dnsdist               |  1 -
 pdns/dnsdistdist/Makefile.am             | 19 ++++++++++++++++---
 pdns/dnsdistdist/configure.ac            |  2 ++
 pdns/dnsdistdist/m4/pdns_check_pandoc.m4 | 11 +++++++++++
 pdns/dnsdistdist/populate                |  7 -------
 5 files changed, 29 insertions(+), 11 deletions(-)
 create mode 100644 pdns/dnsdistdist/m4/pdns_check_pandoc.m4
 delete mode 100755 pdns/dnsdistdist/populate

diff --git a/build-scripts/dist-dnsdist b/build-scripts/dist-dnsdist
index b69b9c1224..11f7a0ac7b 100755
--- a/build-scripts/dist-dnsdist
+++ b/build-scripts/dist-dnsdist
@@ -10,7 +10,6 @@ set -x
 
 cd pdns/dnsdistdist
 
-./populate
 autoreconf -i
 ./configure
 make dist
diff --git a/pdns/dnsdistdist/Makefile.am b/pdns/dnsdistdist/Makefile.am
index a9b5156f50..3221882736 100644
--- a/pdns/dnsdistdist/Makefile.am
+++ b/pdns/dnsdistdist/Makefile.am
@@ -12,14 +12,11 @@ BUILT_SOURCES=htmlfiles.h
 htmlfiles.h: html/*
 	./incfiles > $@
 
-man_MANS=dnsdist.1
-
 EXTRA_DIST=dnslabeltext.rl \
 	   dnsdistconf.lua \
 	   README.md \
 	   delaypipe.cc delaypipe.hh \
 	   html \
-	   dnsdist.1 \
 	   dnsdist.1.md \
 	   .version \
 	   contrib \
@@ -118,3 +115,19 @@ testrunner_LDADD = \
 	$(RT_LIBS) \
 	$(SANITIZER_FLAGS)
 
+MANPAGES=dnsdist.1
+
+dist_man_MANS=$(MANPAGES)
+
+if HAVE_PANDOC
+$(MANPAGES): %: %.md
+	$(AM_V_GEN)$(PANDOC) -s -t man $< -o $@
+else
+if HAVE_MANPAGES
+#nothing
+else
+$(MANPAGES):
+	echo "You need pandoc to generate the manpages"
+	exit 1
+endif
+endif
diff --git a/pdns/dnsdistdist/configure.ac b/pdns/dnsdistdist/configure.ac
index 7e30b440c5..c72fb993d5 100644
--- a/pdns/dnsdistdist/configure.ac
+++ b/pdns/dnsdistdist/configure.ac
@@ -45,6 +45,8 @@ AS_IF([test "x$enable_hardening" != "xno"], [
 
 PDNS_ENABLE_SANITIZERS
 
+PDNS_CHECK_PANDOC
+
 LDFLAGS="$RELRO_LDFLAGS $LDFLAGS"
 
 AS_IF([test "x$static" != "xyes"], [
diff --git a/pdns/dnsdistdist/m4/pdns_check_pandoc.m4 b/pdns/dnsdistdist/m4/pdns_check_pandoc.m4
new file mode 100644
index 0000000000..794d2f80e5
--- /dev/null
+++ b/pdns/dnsdistdist/m4/pdns_check_pandoc.m4
@@ -0,0 +1,11 @@
+AC_DEFUN([PDNS_CHECK_PANDOC], [
+  AC_CHECK_PROG([PANDOC], [pandoc], [pandoc], [no])
+
+  AS_IF([test "x$PANDOC" = "xno"], [
+    AS_IF([test -f "$srcdir/dnsdist.1"],
+      [AC_MSG_WARN([pandoc is missing, unable to build documentation and manpages.])]
+    )
+  ])
+  AM_CONDITIONAL([HAVE_PANDOC], [test "x$PANDOC" != "xno"])
+  AM_CONDITIONAL([HAVE_MANPAGES], [test -e "$srcdir/dnsdist.1"])
+])
diff --git a/pdns/dnsdistdist/populate b/pdns/dnsdistdist/populate
deleted file mode 100755
index 6fac50ccca..0000000000
--- a/pdns/dnsdistdist/populate
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-set -x
-
-pandoc -s -t man ../../docs/manpages/dnsdist.1.md > dnsdist.1
-
-- 
2.47.2