gnuplot: build with gcc4

* enable Qt5 output
* tabs vs spaces
* fix build with gcc4
* add missing requires

sci-visualization/gnuplot/gnuplot-5.0.1.recipe

@@ -8,56 +8,62 @@ COPYRIGHT="1986 - 1993, 1998, 2004 Thomas Williams, Colin Kelley"
 LICENSE="Gnuplot"
 SOURCE_URI="http://downloads.sourceforge.net/gnuplot/gnuplot-$portVersion.tar.gz"
 CHECKSUM_SHA256="7cbc557e71df581ea520123fb439dea5f073adcc9010a2885dc80d4ed28b3c47"
-REVISION="1"
+REVISION="2"
 
-ARCHITECTURES="x86_gcc2 ?x86"
+ARCHITECTURES="!x86_gcc2 ?x86"
 SECONDARY_ARCHITECTURES="x86"
 
 PROVIDES="
-        gnuplot$secondaryArchSuffix = $portVersion
-        cmd:gnuplot$secondaryArchSuffix = $portVersion
-        "
+	gnuplot$secondaryArchSuffix = $portVersion
+	cmd:gnuplot$secondaryArchSuffix = $portVersion
+	"
 REQUIRES="
-        haiku${secondaryArchSuffix}
-        #libqt4$secondaryArchSuffix
-        "
+	haiku${secondaryArchSuffix}
+	lib:libqt5$secondaryArchSuffix
+	lib:libGL$secondaryArchSuffix
+	lib:libncurses$secondaryArchSuffix
+	lib:libreadline$secondaryArchSuffix
+	lib:libz$secondaryArchSuffix
+	"
 
 BUILD_REQUIRES="
-        haiku${secondaryArchSuffix}_devel
-        #libqt4${secondaryArchSuffix}_devel
-        "
+	haiku${secondaryArchSuffix}_devel
+	devel:libcairo$secondaryArchSuffix
+#	devel:libcerf$secondaryArchSuffix
+	devel:libGL$secondaryArchSuffix
+#	devel:libpango_1.0$secondaryArchSuffix
+	devel:libqt5$secondaryArchSuffix
+	devel:libreadline$secondaryArchSuffix
+	devel:libz$secondaryArchSuffix
+	"
 BUILD_PREREQUIRES="
-        cmd:aclocal
-        cmd:automake
-        cmd:autoconf
-        cmd:awk
-        cmd:cmp
-        cmd:gcc$secondaryArchSuffx
-        cmd:make
-        cmd:pkg_config$secondaryArchSuffix
-        "
+	cmd:aclocal
+	cmd:automake
+	cmd:autoconf
+	cmd:awk
+	cmd:cmp
+	cmd:gcc$secondaryArchSuffix
+	cmd:ld$secondaryArchSuffix
+	cmd:make
+	cmd:pkg_config$secondaryArchSuffix
+	"
 
 PATCH()
 {
-        # remove hardcoded libm
-        sed -i 's/-lm/$(LIBS)/g' src/Makefile.am
+	sed -i 's/-lm/$(LIBS)/g' src/Makefile.am
+	sed -i 's/-rdynamic/-Wl,-export-dynamic/g' demo/plugin/Makefile.am
+	sed -i 's/isnan/std::isnan/g' src/qtterminal/qt_conversion.cpp
 }
 
 BUILD()
 {
-        #TODO: add Qt4 support (needs gcc4)
-
-        aclocal
-        automake
-
-        # work around for a gcc4 bug (output_operand_lossage)
-        export CFLAGS=-O3
-
-        runConfigure ./configure --without-cairo
-        make $jobArgs
+	aclocal
+	automake
+	runConfigure ./configure --without-cairo --with-qt
+	make $jobArgs
 }
 
 INSTALL()
 {
-        make install
+	make install-strip
 }