added libebur128.

* gentoo-portage doesn't have this lib, so I chose media-libs for a category.

media-libs/libebur128/libebur128-1.0.1.recipe

@@ -0,0 +1,72 @@
+SUMMARY="A library implementing the EBU R128 loudness standard"
+DESCRIPTION="
+libebur128 is a library that implements the EBU R 128 standard for loudness \
+normalisation.
+"
+HOMEPAGE="https://github.com/jiixyj/libebur128"
+LICENSE="MIT"
+COPYRIGHT="2011 Jan Kokemüller"
+SRC_URI="https://github.com/jiixyj/libebur128/archive/v$portVersion.tar.gz"
+CHECKSUM_SHA256="01aa7aed90c593944eeb3087a6f965557dc708de360bf1a589b3babb021e7336"
+REVISION="1"
+ARCHITECTURES="x86_gcc2 ?x86 ?x86_64"
+SECONDARY_ARCHITECTURES="?x86_gcc2 x86"
+
+PROVIDES="
+	libebur128$secondaryArchSuffix = $portVersion
+	lib:libebur128$secondaryArchSuffix = 1.0.1 compat >= 1
+	"
+REQUIRES="
+	haiku$secondaryArchSuffix >= $haikuVersion
+	"
+#	lib:libspeexdsp$secondaryArchSuffix
+
+BUILD_REQUIRES="
+	"
+#	devel:libspeexdsp$secondaryArchSuffix
+BUILD_PREREQUIRES="
+	haiku${secondaryArchSuffix}_devel >= $haikuVersion
+	cmd:gcc$secondaryArchSuffix
+	cmd:ld$secondaryArchSuffix
+	cmd:cmake
+	cmd:make
+	cmd:pkg_config
+	cmd:sed
+	"
+
+PATCH()
+{
+	sed -i 's,include)','"develop/headers")', ebur128/CMakeLists.txt
+}
+
+BUILD()
+{
+	rm -Rf build
+	mkdir build
+	cd build
+	cmake -DENABLE_INTERNAL_QUEUE_H=1 -DCMAKE_INSTALL_PREFIX:PATH=$prefix ..
+	make $jobArgs VERBOSE=1
+}
+
+INSTALL()
+{
+	cd build
+	make install
+
+	prepareInstalledDevelLibs libebur128
+	fixPkgconfig
+
+	# devel package
+	packageEntries devel \
+		$developDir
+}
+
+# ----- devel package -------------------------------------------------------
+
+PROVIDES_devel="
+	libebur128${secondaryArchSuffix}_devel = $portVersion
+	devel:libebur128$secondaryArchSuffix = 1.0.1 compat >= 1
+	"
+REQUIRES_devel="
+	libebur128$secondaryArchSuffix == $portVersion
+	"