pngquant, don't build/install static library, cleanup (#8248)

media-gfx/pngquant/pngquant-2.7.2.recipe

@@ -8,7 +8,7 @@ modern web browsers, and have better fallback in IE6 than 24-bit PNGs."
 HOMEPAGE="https://pngquant.org/"
 COPYRIGHT="2009-2016 by Kornel Lesiński"
 LICENSE="GNU GPL v3"
-REVISION="3"
+REVISION="4"
 SOURCE_URI="https://github.com/pornel/pngquant/archive/$portVersion.tar.gz"
 CHECKSUM_SHA256="071e1af157ed2044d68522f4a18c5d94c5b6cbd83827a08e1bdf0ec0649f9cc9"
 
@@ -50,15 +50,16 @@ BUILD_PREREQUIRES="
 
 BUILD()
 {
-	runConfigure ./configure
-	make staticlib sharedlib bin.shared
+	./configure
+	make sharedlib bin.shared
 }
 
 INSTALL()
 {
-	make install MANPREFIX=$manDir
+	make install BINPREFIX=$prefix/bin MANPREFIX=$manDir
 	install -d -m 755 $libDir $includeDir
-	install -t $libDir lib/libimagequant.{a,so.0}
+	install -t $libDir lib/libimagequant.so.0
+	ln -sr $libDir/libimagequant.so.0 $libDir/libimagequant.so
 	install -t $includeDir lib/libimagequant.h
 
 	prepareInstalledDevelLib libimagequant