gnuplot: bump to 5.2.3, switch to libvpx.so.5. (#2586)

sci-visualization/gnuplot/gnuplot-5.2.3.recipe

@@ -3,22 +3,29 @@ DESCRIPTION="Originally created to allow both students and scientists to \
 visualize mathematical functions and data interactively, but has grown to \
 support many non-interactive uses such as web scripting. It is also used \
 as a plotting engine by third-party applications like Octave."
-HOMEPAGE="http://www.gnuplot.info"
-COPYRIGHT="1986 - 1993, 1998, 2004 Thomas Williams, Colin Kelley"
+HOMEPAGE="http://www.gnuplot.info/"
+COPYRIGHT="1986-1993, 1998, 2004-2018 Thomas Williams, Colin Kelley"
 LICENSE="Gnuplot"
 REVISION="1"
-SOURCE_URI="http://downloads.sourceforge.net/gnuplot/gnuplot-$portVersion.tar.gz"
-CHECKSUM_SHA256="a416d22f02bdf3873ef82c5eb7f8e94146795811ef808e12b035ada88ef7b1a1"
+SOURCE_URI="https://downloads.sourceforge.net/gnuplot/gnuplot-$portVersion.tar.gz"
+CHECKSUM_SHA256="feb58c9358d9d129e00507f3b34d4b13c4caea3f004325c587f8caafe5dbe724"
 
 ARCHITECTURES="!x86_gcc2 ?x86 x86_64"
 SECONDARY_ARCHITECTURES="?x86"
 
+commandSuffix=$secondaryArchSuffix
+commandBinDir=$binDir
+if [ "$targetArchitecture" = x86_gcc2 ]; then
+	commandSuffix=
+	commandBinDir=$prefix/bin
+fi
+
 PROVIDES="
 	gnuplot$secondaryArchSuffix = $portVersion
-	cmd:gnuplot$secondaryArchSuffix = $portVersion
+	cmd:gnuplot$commandSuffix = $portVersion
 	"
 REQUIRES="
-	haiku${secondaryArchSuffix}
+	haiku$secondaryArchSuffix
 	lib:libfontconfig$secondaryArchSuffix
 	lib:libfreetype$secondaryArchSuffix
 	lib:libgd$secondaryArchSuffix
@@ -28,7 +35,7 @@ REQUIRES="
 	lib:libpng16$secondaryArchSuffix
 	lib:libreadline$secondaryArchSuffix
 	lib:libtiff$secondaryArchSuffix
-	lib:libvpx$secondaryArchSuffix
+	lib:libvpx$secondaryArchSuffix >= 5
 	lib:libz$secondaryArchSuffix
 	"
 
@@ -40,7 +47,7 @@ BUILD_REQUIRES="
 	devel:libjpeg$secondaryArchSuffix
 #	devel:libpango_1.0$secondaryArchSuffix
 	devel:libreadline$secondaryArchSuffix
-	devel:libvpx$secondaryArchSuffix
+	devel:libvpx$secondaryArchSuffix >= 5
 	devel:libz$secondaryArchSuffix
 	"
 BUILD_PREREQUIRES="
@@ -66,7 +73,9 @@ BUILD()
 {
 	aclocal
 	automake
-	runConfigure ./configure --without-cairo
+	runConfigure --omit-dirs binDir ./configure --bindir="$commandBinDir" \
+		--without-cairo \
+
 	make $jobArgs
 }
 
@@ -74,3 +83,8 @@ INSTALL()
 {
 	make install-strip
 }
+
+TEST()
+{
+	make check
+}