Install a pkgconfig file for libxbps.

.gitignore

@@ -12,6 +12,7 @@ bin/xbps-dgraph/xbps-dgraph
 *.a
 *.xml
 *.png
+*.pc
 api/
 doc/xbps_api_doxyfile
 ftperr.h

Makefile

@@ -1,6 +1,6 @@
 -include config.mk
 
-SUBDIRS	= include lib bin etc
+SUBDIRS	= include lib bin etc data
 
 ifdef BUILD_API_DOCS
 SUBDIRS += doc

NEWS

@@ -1,5 +1,13 @@
 xbps-0.12.0 (???):
 
+ * Added a pkg-config file to simplify writing code with libxbps.
+
+ * libxbps: improved support for finding newest package versions available
+   in repository pool.
+
+ * libxbps: added support for finding exact package name/version matches
+   in repository pool.
+
  * Fixed registering repositories with trailing '/' chars in
    configuration file: xbps.conf.
 

configure

@@ -78,6 +78,7 @@ done
 : ${MANDIR:=${PREFIX}/share/man}
 : ${INCLUDEDIR:=${PREFIX}/include}
 : ${ETCDIR:=${PREFIX}/etc}
+: ${PKGCONFIGDIR:=${LIBDIR}/pkgconfig}
 : ${TOPDIR:=..}
 
 _which()
@@ -136,6 +137,7 @@ echo "INCLUDEDIR ?=	$INCLUDEDIR" >>$CONFIG_MK
 echo "LIBDIR ?=	$LIBDIR" >>$CONFIG_MK
 echo "MANDIR ?=	$MANDIR" >>$CONFIG_MK
 echo "SHAREDIR ?= $SHAREDIR" >>$CONFIG_MK
+echo "PKGCONFIGDIR ?= $PKGCONFIGDIR" >>$CONFIG_MK
 
 ETCDIR="${ETCDIR}/xbps"
 echo "ETCDIR ?= $ETCDIR" >>$CONFIG_MK

data/Makefile

@@ -0,0 +1,23 @@
+-include ../config.mk
+
+VERSION = 0.12
+PCFILE = libxbps.pc
+
+.PHONY: all
+all:
+	sed -e "s|@@VERSION@@|${VERSION}|g;s|@@PREFIX@@|${PREFIX}|g" \
+		${PCFILE}.in > ${PCFILE}
+
+.PHONY: install
+install:
+	install -d $(DESTDIR)$(PKGCONFIGDIR)
+	install -m644 $(PCFILE) $(DESTDIR)$(PKGCONFIGDIR)
+
+.PHONY: uninstall
+uninstall:
+	-rm -f $(DESTDIR)$(PKGCONFIGDIR)/$(PCFILE)
+
+
+.PHONY: clean
+clean:
+	-rm -f $(PCFILE)

data/libxbps.pc.in

@@ -0,0 +1,10 @@
+prefix=@@PREFIX@@
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+
+Name: XBPS API Library
+Description: The X Binary Package System library
+Version: @@VERSION@@
+Libs: -lprop -lxbps
+Cflags: -I${includedir} -L${libdir}