Update libpcre recipe

* Add commands to provides.
* Fix autotools invocation order (it failed here before).
* Use jobArgs.
* Fix developLibDir paths in pcre-config.
* Remove unnecessary cd in TEST() (untested).

dev-libs/libpcre/libpcre-8.21.recipe

@@ -15,11 +15,14 @@ COPYRIGHT="
 	"
 SRC_URI="ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-8.21.tar.bz2"
 CHECKSUM_MD5="0a7b592bea64b7aa7f4011fc7171a730"
-REVISION="3"
+REVISION="4"
 ARCHITECTURES="x86_gcc2 ?x86"
 
 PROVIDES="
 	libpcre = $portVersion
+	cmd:pcre_config = $portVersion compat >= 8
+	cmd:pcregrep = $portVersion compat >= 8
+	cmd:pcretest = $portVersion compat >= 8
 	lib:libpcre = $portVersion compat >= 8
 	lib:libpcrecpp = $portVersion compat >= 8
 	lib:libpcreposix = $portVersion compat >= 8
@@ -45,16 +48,15 @@ SOURCE_DIR="pcre-$portVersion"
 
 BUILD()
 {
-	automake --add-missing
 	libtoolize --force --copy --install
 	aclocal
 	autoconf
-	automake
+	automake --add-missing
 	./configure $configureDirArgs \
 		--enable-utf8 \
 		--enable-unicode-properties \
 		--with-pic
-	make
+	make $jobArgs
 }
 
 INSTALL()
@@ -64,10 +66,12 @@ INSTALL()
 	# prepare develop/lib
 	prepareInstalledDevelLibs libpcre libpcrecpp libpcreposix
 	fixPkgconfig
+
+	# fix pcre-config
+	fixDevelopLibDirReferences $binDir/pcre-config
 }
 
 TEST()
 {
-	cd pcre-8.21
 	make check
 }