--- PKGBUILD	2013-09-28 11:03:58.504435185 +0200
+++ PKGBUILD.modified	2013-09-27 11:57:05.733459721 +0200
@@ -68,6 +68,10 @@
 
   cd ImageMagick-${pkgver%.*}-${pkgver##*.}
   make -j1 DESTDIR="${pkgdir}" install
+
+  provides+=("MagickLibInterface=$(grep MagickLibInterface magick/version.h | cut -d' ' -f4)"
+             "Magick++LibInterface=$(grep MagickppLibInterface magick/version.h | cut -d' ' -f4)")
+
   install -Dm644 LICENSE "${pkgdir}/usr/share/licenses/imagemagick/LICENSE"
   install -Dm644 NOTICE "${pkgdir}/usr/share/licenses/imagemagick/NOTICE"