libprefs: add _devel package (#3736)

haiku-libs/libprefs/libprefs-1.2.5.recipe

@@ -8,7 +8,7 @@ is."
 HOMEPAGE="http://ftp.icm.edu.pl/pub/beos/contrib/libraries/"
 COPYRIGHT="1998 Jon Watte"
 LICENSE="Public Domain"
-REVISION="3"
+REVISION="4"
 SOURCE_URI="http://ftp.icm.edu.pl/pub/beos/contrib/libraries/libprefs125.zip"
 CHECKSUM_SHA256="39532c9c6c69f915a6d99fde4fd827a5bdb676ee0cf00558b6956fc91db9a737"
 SOURCE_DIR="libprefs125"
@@ -25,6 +25,14 @@ REQUIRES="
 	haiku$secondaryArchSuffix
 	"
 
+PROVIDES_devel="
+	libprefs$secondaryArchSuffix
+	devel:libprefs$secondaryArchSuffix
+	"
+REQUIRES_devel="
+	libprefs$secondaryArchSuffix == $portVersion base
+	"
+
 BUILD_REQUIRES="
 	haiku${secondaryArchSuffix}_devel
 	cmd:gcc
@@ -48,4 +56,9 @@ INSTALL()
 	#cp bigprefs.x86.a $libDir/bigprefs.x86.a
 	cp libprefs.so $libDir
 	cp src/*.h $includeDir
+
+	prepareInstalledDevelLib \
+		libprefs
+	packageEntries devel \
+		$developDir
 }