From 7bfd4dc94c3ffb48ee6a07a3f6684176363acea1 Mon Sep 17 00:00:00 2001
From: John Tsiombikas <nuclear@member.fsf.org>
Date: Wed, 16 Mar 2022 06:19:39 +0200
Subject: [PATCH] Added pkgconfig file. Closes github feature request #14

---
 .gitignore  |  1 +
 Makefile.in |  3 +++
 configure   | 19 +++++++++++++++++++
 spnav.pc.in |  6 ++++++
 4 files changed, 29 insertions(+)
 create mode 100644 spnav.pc.in

diff --git a/.gitignore b/.gitignore
index 1bb2f49..82cf814 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@ Makefile
 examples/cube/cube
 examples/simple/simple_af_unix
 examples/simple/simple_x11
+spnav.pc
diff --git a/Makefile.in b/Makefile.in
index 77032f3..975851d 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -59,6 +59,8 @@ install: $(lib_a) $(lib_so) $(hdr)
 		ln -s $(soname) $(devlink) || \
 		true
 	for h in $(hdr); do cp -p $(srcdir)/$$h $(DESTDIR)$(PREFIX)/include/; done
+	mkdir -p $(DESTDIR)$(PREFIX)/share/pkgconfig
+	cp spnav.pc $(DESTDIR)$(PREFIX)/share/pkgconfig/spnav.pc
 
 .PHONY: uninstall
 uninstall:
@@ -68,4 +70,5 @@ uninstall:
 		rm -f $(DESTDIR)$(PREFIX)/$(libdir)/$(soname) $(DESTDIR)$(PREFIX)/$(libdir)/$(devlink) || \
 		true
 	for i in $(hdr); do rm -f $(DESTDIR)$(PREFIX)/include/$$i; done
+	rm -f $(DESTDIR)$(PREFIX)/share/pkgconfig/spnav.pc
 
diff --git a/configure b/configure
index 6f85fec..e363d31 100755
--- a/configure
+++ b/configure
@@ -6,6 +6,19 @@ PREFIX=/usr/local
 OPT=yes
 DBG=yes
 X11=yes
+VER=`git describe --tags 2>/dev/null`
+
+if [ -z "$VER" ]; then
+	VER=`git rev-parse --short HEAD`
+	if [ -z "$VER" ]; then
+		VER=v`pwd | grep 'libspnav-[0-9]\+\.' | sed 's/.*libspnav-\(\([0-9]\+\.\)\+[0-9]\+\).*$/\1/'`
+		if [ $VER = v ]; then
+			VER='<unknown version>'
+		fi
+	fi
+fi
+
+echo "configuring libspnav - $VER"
 
 srcdir="`dirname "$0"`"
 libdir=lib
@@ -108,6 +121,12 @@ if [ "$X11" = 'yes' ]; then
 fi
 echo '#endif	/* SPNAV_CONFIG_H_ */' >>spnav_config.h
 
+# create pkgconfig file
+echo 'creating spnav.pc ...'
+pcver=`echo $VER | sed 's/^v//'`
+echo "PREFIX=$PREFIX" >spnav.pc
+cat spnav.pc.in | sed "s/@VERSION@/$pcver/; s/@LIBDIR@/$libdir/" >>spnav.pc
+
 #done
 echo ''
 echo 'Done. You can now type make (or gmake) to compile libspnav.'
diff --git a/spnav.pc.in b/spnav.pc.in
new file mode 100644
index 0000000..1afc905
--- /dev/null
+++ b/spnav.pc.in
@@ -0,0 +1,6 @@
+Name: libspnav
+Description: Library to access 6-DoF input devices managed by spacenavd or the proprietary 3dxsrv driver.
+URL: http://spacenav.sourceforge.net
+Version: @VERSION@
+Cflags: -I${PREFIX}/include
+Libs: -L${PREFIX}/@LIBDIR@ -lspnav