From 96886a3d45bd8a76e15a48c06e98b020f5f047e4 Mon Sep 17 00:00:00 2001
From: Pablo Wolochwianski <pablo.wolochwianski@gmail.com>
Date: Tue, 8 Aug 2017 15:23:59 -0300
Subject: [PATCH] Add Varnish5 compatibility

---
 Makefile.am  | 15 +++++++++++----
 autogen.sh   | 15 ++++++++++++---
 configure.ac | 44 ++++++++++++++++++++++++++++++++++----------
 3 files changed, 57 insertions(+), 17 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index cacfc13..1b711c8 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,18 +1,25 @@
-ACLOCAL_AMFLAGS = -I m4
+ACLOCAL_AMFLAGS = -I m4 -I ${LIBVARNISHAPI_DATAROOTDIR}/aclocal
 
 SUBDIRS = src
 
-EXTRA_DIST = README.rst
+DISTCHECK_CONFIGURE_FLAGS = \
+	VMOD_DIR='$${libdir}/varnish/vmods'
+
+EXTRA_DIST = README.rst LICENSE CHANGES.rst
+
+doc_DATA = README.rst LICENSE
 
 dist_man_MANS = vmod_urlcode.3
 MAINTAINERCLEANFILES = $(dist_man_MANS)
 
 vmod_urlcode.3: README.rst
+
+%.1 %.2 %.3 %.4 %.5 %.6 %.7 %.8 %.9:
 if HAVE_RST2MAN
-	${RST2MAN} README.rst $@
+	${RST2MAN} $< $@
 else
 	@echo "========================================"
 	@echo "You need rst2man installed to make dist"
 	@echo "========================================"
 	@false
-endif
+endif
\ No newline at end of file
diff --git a/autogen.sh b/autogen.sh
index 9a12ef5..953756b 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -35,10 +35,19 @@ else
 	esac
 fi
 
+# check for varnishapi.m4 in custom paths
+dataroot=$(pkg-config --variable=datarootdir varnishapi 2>/dev/null)
+if [ -z "$dataroot" ] ; then
+	cat >&2 <<'EOF'
+Package varnishapi was not found in the pkg-config search path.
+Perhaps you should add the directory containing `varnishapi.pc'
+to the PKG_CONFIG_PATH environment variable
+EOF
+	exit 1
+fi
 set -ex
-
-aclocal -I m4
+aclocal -I m4 -I ${dataroot}/aclocal
 $LIBTOOLIZE --copy --force
 autoheader
 automake --add-missing --copy --foreign
-autoconf
+autoconf
\ No newline at end of file
diff --git a/configure.ac b/configure.ac
index 026f535..3294e1f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,8 @@
 AC_PREREQ(2.59)
-AC_COPYRIGHT([Copyright (c) 2011 Varnish Software AS])
-AC_INIT([libvmod-urlcode], [master])
+AC_COPYRIGHT([Copyright (c) 2011-2016 Varnish Software])
+AC_INIT([libvmod-urlcode], [1.0.1])
 AC_CONFIG_MACRO_DIR([m4])
+m4_ifndef([VARNISH_VMOD_INCLUDES], AC_MSG_ERROR([Need varnish.m4]))
 AC_CONFIG_SRCDIR(src/vmod_urlcode.vcc)
 AM_CONFIG_HEADER(config.h)
 
@@ -22,6 +23,8 @@ AC_PROG_INSTALL
 AC_PROG_LIBTOOL
 AC_PROG_MAKE_SET
 
+AC_CHECK_LIB(mhash, mhash_count, [AC_DEFINE([HAVE_MHASH],[1],[Define we have mhash])],
+		[AC_MSG_ERROR([libvmod-urlcode requires libmhash.])])
 # Check for rst utilities
 AC_CHECK_PROGS(RST2MAN, [rst2man rst2man.py], "no")
 if test "x$RST2MAN" = "xno"; then
@@ -29,26 +32,47 @@ if test "x$RST2MAN" = "xno"; then
 fi
 AM_CONDITIONAL(HAVE_RST2MAN, [test "x$RST2MAN" != "xno"])
 
-# Check for pkg-config
-PKG_PROG_PKG_CONFIG
-
 # Checks for header files.
 AC_HEADER_STDC
 AC_CHECK_HEADERS([sys/stdlib.h])
 
-# Check for python
-AC_CHECK_PROGS(PYTHON, [python3 python3.1 python3.2 python2.7 python2.6 python2.5 python2 python], [AC_MSG_ERROR([Python is needed to build this vmod, please install python.])])
+# backwards compat with older pkg-config
+# - pull in AC_DEFUN from pkg.m4
+m4_ifndef([PKG_CHECK_VAR], [
+# PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
+# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+# -------------------------------------------
+# Retrieves the value of the pkg-config variable for the given module.
+AC_DEFUN([PKG_CHECK_VAR],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
+
+_PKG_CONFIG([$1], [variable="][$3]["], [$2])
+AS_VAR_COPY([$1], [pkg_cv_][$1])
+
+AS_VAR_IF([$1], [""], [$5], [$4])dnl
+])# PKG_CHECK_VAR
+])
+
+PKG_CHECK_MODULES([libvarnishapi], [varnishapi])
+PKG_CHECK_VAR([LIBVARNISHAPI_DATAROOTDIR], [varnishapi], [datarootdir])
+PKG_CHECK_VAR([LIBVARNISHAPI_BINDIR], [varnishapi], [bindir])
+PKG_CHECK_VAR([LIBVARNISHAPI_SBINDIR], [varnishapi], [sbindir])
+AC_SUBST([LIBVARNISHAPI_DATAROOTDIR])
 
 # Varnish include files tree
 VARNISH_VMOD_INCLUDES
 VARNISH_VMOD_DIR
 VARNISH_VMODTOOL
 
-AC_PATH_PROG([VARNISHTEST], [varnishtest])
-AC_PATH_PROG([VARNISHD], [varnishd])
+AC_PATH_PROG([VARNISHTEST], [varnishtest], [],
+    [$LIBVARNISHAPI_BINDIR:$LIBVARNISHAPI_SBINDIR:$PATH])
+AC_PATH_PROG([VARNISHD], [varnishd], [],
+    [$LIBVARNISHAPI_SBINDIR:$LIBVARNISHAPI_BINDIR:$PATH])
+
 
 AC_CONFIG_FILES([
 	Makefile
 	src/Makefile
 ])
-AC_OUTPUT
+AC_OUTPUT
\ No newline at end of file