optipng: bump to 0.7.6, use env vars instead of patch, add TEST. (#765)

media-gfx/optipng/optipng-0.7.6.recipe

@@ -0,0 +1,53 @@
+SUMMARY="A PNG optimizer, making PNG files smaller"
+DESCRIPTION="OptiPNG is a PNG optimizer, recompressing PNG files so they \
+become smaller, without losing any information. Additionally, OptiPNG can \
+convert other image formats, such as BMP, GIF, PNM and TIFF, to PNG files."
+HOMEPAGE="http://optipng.sourceforge.net/"
+COPYRIGHT="2001-2016 Cosmin Truta"
+LICENSE="Zlib"
+REVISION="1"
+SOURCE_URI="http://downloads.sf.net/optipng/optipng-$portVersion.tar.gz"
+CHECKSUM_SHA256="4870631fcbd3825605f00a168b8debf44ea1cda8ef98a73e5411eee97199be80"
+
+ARCHITECTURES="x86_gcc2 x86 x86_64"
+
+PROVIDES="
+	optipng = $portVersion
+	cmd:optipng = $portVersion
+	"
+REQUIRES="
+	haiku
+	lib:libpng >= 16
+	lib:libz
+	"
+
+BUILD_REQUIRES="
+	haiku${secondaryArchSuffix}_devel
+	devel:libpng >= 16
+	devel:libz
+	"
+BUILD_PREREQUIRES="
+	cmd:ar
+	cmd:gcc
+	cmd:make
+	cmd:ranlib
+	cmd:diff
+	"
+
+BUILD()
+{
+	LIBM= CFLAGS="-O2 -Wall" ./configure -bindir=$binDir -mandir=$manDir \
+		-with-system-libpng \
+		-with-system-zlib
+	make
+}
+
+INSTALL()
+{
+	make install
+}
+
+TEST()
+{
+	make check
+}