From fb6cd1007ffd249cdc9162b226175eb5b1086500 Mon Sep 17 00:00:00 2001
From: Bartosz Golaszewski <bartekgola@gmail.com>
Date: Fri, 13 Jan 2017 17:41:53 +0100
Subject: [PATCH] build: add a configure option for tools

This allows to build the tools conditionally, depending
on the configuration.

Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
---
 Makefile.am  |  4 ++++
 configure.ac | 14 ++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/Makefile.am b/Makefile.am
index e509eb9..e250369 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -20,6 +20,8 @@ libgpiod_la_SOURCES = core.c
 libgpiod_la_CFLAGS = -g
 libgpiod_la_LDFLAGS = -version-number $(VERSION_MAJOR):$(VERSION_MINOR):$(VERSION_RELEASE)
 
+if WITH_TOOLS
+
 bin_PROGRAMS = gpiodetect gpioinfo gpioget gpioset gpiomon gpiofind
 
 gpiodetect_SOURCES = gpiodetect.c tools-common.c
@@ -46,6 +48,8 @@ gpiofind_SOURCES = gpiofind.c tools-common.c
 gpiofind_LDFLAGS = -lgpiod
 gpiofind_DEPENDENCIES = libgpiod.la
 
+endif
+
 doc:
 	doxygen
 .PHONY: doc
diff --git a/configure.ac b/configure.ac
index 95b99ce..9f8b7aa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,6 +20,20 @@ AC_SUBST(VERSION_RELEASE, 0)
 
 AC_CONFIG_HEADER([config.h])
 
+AC_ARG_ENABLE([tools],
+	[AC_HELP_STRING([--enable-tools],
+		[enable libgpiod command-line tools [default=no]])],
+	[
+		if test "x$enableval" = xyes
+		then
+			with_tools=true
+		else
+			with_tools=false
+		fi
+	],
+	[with_tools = false])
+AM_CONDITIONAL([WITH_TOOLS], [test x$with_tools = xtrue])
+
 AC_PROG_CC
 AC_PROG_LIBTOOL
 AC_PROG_INSTALL
-- 
2.30.2