generate and install a pkgconfig file on make install (#229)

.gitignore

@@ -1,5 +1,6 @@
 *.o
 *.so*
 *.1
+libxdo.pc
 xdo_version.h
 xdotool

Makefile

@@ -4,13 +4,15 @@ INSTALLBIN?=$(PREFIX)/bin
 INSTALLLIB?=$(PREFIX)/lib
 INSTALLMAN?=$(PREFIX)/man
 INSTALLINCLUDE?=$(PREFIX)/include
+INSTALLPC?=$(PREFIX)/lib/pkgconfig
 LDCONFIG?=ldconfig
 
 DPREFIX=$(DESTDIR)$(PREFIX)
 DINSTALLBIN=$(DESTDIR)$(INSTALLBIN)
 DINSTALLLIB=$(DESTDIR)$(INSTALLLIB)
 DINSTALLMAN=$(DESTDIR)$(INSTALLMAN)
 DINSTALLINCLUDE=$(DESTDIR)$(INSTALLINCLUDE)
+DINSTALLPC=$(DESTDIR)$(INSTALLPC)
 
 MAJOR=$(shell sh version.sh --major)
 VERSION=$(shell sh version.sh)
@@ -69,7 +71,7 @@ xdotool.static: xdotool.o $(CMDOBJS) xdo.o xdo_search.o
 	$(CC) -o xdotool.static xdotool.o xdo.o xdo_search.o $(CMDOBJS) $(LDFLAGS)  -lm $(XDOTOOL_LIBS) $(LIBXDO_LIBS)
 
 .PHONY: install
-install: pre-install installlib installprog installman installheader post-install
+install: pre-install installlib installprog installman installheader installpc post-install
 
 .PHONY: pre-install
 pre-install:
@@ -100,6 +102,11 @@ installheader: xdo.h
 	install -d $(DINSTALLINCLUDE)
 	install xdo.h $(DINSTALLINCLUDE)/xdo.h
 
+.PHONY: installpc
+installpc: libxdo.pc
+	install -d $(DINSTALLPC)
+	install libxdo.pc $(DINSTALLPC)/libxdo.pc
+
 .PHONY: installman
 installman: xdotool.1
 	install -d $(DINSTALLMAN)/man1
@@ -142,6 +149,9 @@ libxdo.a: xdo.o xdo_search.o
 libxdo.$(VERLIBSUFFIX): libxdo.$(LIBSUFFIX)
 	ln -s $< $@
 
+libxdo.pc:
+	sh pc.sh $(VERSION) $(INSTALLLIB) $(INSTALLINCLUDE) > libxdo.pc
+
 # xdotool the binary requires libX11 now for XSelectInput and friends.
 # This requirement will go away once more things are refactored into
 # libxdo.

pc.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+VERSION=$1
+LIBDIR=$2
+INCLUDEDIR=$3
+
+cat <<ENDPC
+libdir=${LIBDIR}
+includedir=${INCLUDEDIR}
+
+Name: libxdo
+Description: fake keyboard/mouse input, window management, and more
+Version: ${VERSION}
+Requires: x11
+Libs: -L\${libdir} -lxdo
+Cflags: -I\${includedir}
+ENDPC