xxhash: add recipe (#2369)

dev-libs/xxhash/patches/xxHash-0.6.4.patch

@@ -0,0 +1,11 @@
+--- a/Makefile	2017-12-22 12:07:37.019660800 +0000
++++ b/Makefile	2018-03-25 14:32:28.139722752 +0000
+@@ -210,7 +210,7 @@
+ #-----------------------------------------------------------------------------
+ # make install is validated only for the following targets
+ #-----------------------------------------------------------------------------
+-ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS))
++ifneq (,$(filter $(shell uname),Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS Haiku))
+ 
+ DESTDIR     ?=
+ # directory variables : GNU conventions prefer lowercase

dev-libs/xxhash/xxhash-0.6.4.recipe

@@ -0,0 +1,108 @@
+SUMMARY="A fast non-cryptographic hash algorithm"
+DESCRIPTION="xxHash is an extremely fast non-cryptographic hash algorithm, \
+working at speeds close to RAM limits."
+HOMEPAGE="https://cyan4973.github.io/xxHash/
+	http://www.xxhash.com/"
+COPYRIGHT="2014-2017 Yann Collet"
+LICENSE="BSD (2-clause)"
+REVISION="1"
+SOURCE_URI="http://github.com/Cyan4973/xxHash/archive/v$portVersion.tar.gz"
+CHECKSUM_SHA256="4570ccd111df6b6386502791397906bf69b7371eb209af7d41debc2f074cdb22"
+SOURCE_FILENAME="xxHash-$portVersion.tar.gz"
+SOURCE_DIR="xxHash-$portVersion"
+PATCHES="xxHash-$portVersion.patch"
+
+ARCHITECTURES="?x86_gcc2 ?x86 x86_64"
+SECONDARY_ARCHITECTURES="?x86_gcc2 x86"
+
+# Provide cmd:xxhash on all primary architectures except x86_gcc2,
+# as well as on x86 secondary arch if the primary arch is x86_gcc2.
+commandBinDir="$binDir"
+provideRuntime=yes
+if [ "$targetArchitecture" = x86_gcc2 ]; then
+	commandBinDir="$prefix"/bin
+else
+	if [ -n "$secondaryArchSuffix" ]; then
+		provideRuntime=no
+	fi
+fi
+if [ "$effectiveTargetArchitecture" = x86_gcc2 ]; then
+	provideRuntime=no
+fi
+
+libVersion="$portVersion"
+libVersionCompat="$portVersion compat >= ${portVersion%%.*}"
+
+PROVIDES="
+	xxhash$secondaryArchSuffix = $portVersion
+	lib:libxxhash$secondaryArchSuffix = $libVersionCompat
+	"
+if [ "$provideRuntime" = yes ]; then
+PROVIDES="$PROVIDES
+	cmd:xxh32sum = $portVersion
+	cmd:xxh64sum = $portVersion
+	cmd:xxhsum = $portVersion
+	"
+fi
+REQUIRES="
+	haiku$secondaryArchSuffix
+	"
+
+PROVIDES_devel="
+	xxhash${secondaryArchSuffix}_devel = $portVersion
+	devel:libxxhash$secondaryArchSuffix = $libVersionCompat
+	"
+REQUIRES_devel="
+	xxhash$secondaryArchSuffix == $portVersion base
+	"
+
+BUILD_REQUIRES="
+	haiku${secondaryArchSuffix}_devel
+	"
+BUILD_PREREQUIRES="
+	cmd:gcc$secondaryArchSuffix
+	cmd:make
+	"
+
+debugList=(
+	"$libDir"/libxxhash.so.$libVersion
+	)
+if [ "$provideRuntime" = yes ]; then
+	debugList+=("$commandBinDir"/xxhsum)
+fi
+defineDebugInfoPackage xxhash$secondaryArchSuffix "${debugList[@]}"
+
+PATCH()
+{
+	if [ "$effectiveTargetArchitecture" = x86_gcc2 ]; then
+		sed -i \
+			-e "s/ -Wextra//" \
+			-e "s/ -Wstrict-aliasing=1//" \
+			-e "s/ -Wswitch-enum//" \
+			-e "s/ -Wdeclaration-after-statement//" \
+			Makefile
+	fi
+}
+
+BUILD()
+{
+	make $jobArgs
+}
+
+INSTALL()
+{
+	make BINDIR="$commandBinDir" INCLUDEDIR="$includeDir" LIBDIR="$libDir" \
+		MANDIR="$manDir/man1" install
+
+	if [ "$provideRuntime" != yes ]; then
+		rm -rf "$commandBinDir" "$manDir"
+	fi
+
+	prepareInstalledDevelLib libxxhash
+	packageEntries devel "$developDir"
+}
+
+TEST()
+{
+	make test-all
+}