This will add a libatomic_ops recipe made for the Google Code in.

sys-libs/libatomic_ops/libatomic_ops-7.4.2.recipe

@@ -0,0 +1,68 @@
+SUMMARY="An atomic memory update operations portable implementation"
+DESCRIPTION="Semi-portable access to hardware-provided \
+atomic memory update operations on a number architectures \
+as said on the github project home."
+HOMEPAGE="https://github.com/ivmai/libatomic_ops/"
+COPYRIGHT="2003-2011 Hewlett-Packard Development Company, L.P."
+LICENSE="GNU GPL v2"
+REVISION="1"
+SOURCE_URI="http://www.ivmaisoft.com/_bin/atomic_ops/libatomic_ops-7.4.2.tar.gz"
+CHECKSUM_SHA256="04fa615f62992547bcbda562260e28b504bc4c06e2f985f267f3ade30304b5dd"
+
+ARCHITECTURES="!x86_gcc2 x86"
+SECONDARY_ARCHITECTURES="x86"
+
+PROVIDES="
+       libatomic_ops$secondaryArchSuffix = $portVersion
+       lib:libatomic_ops$secondaryArchSuffix = 1.0.3 compat >= 1
+       lib:libatomic_ops_gpl$secondaryArchSuffix = 1.0.3 compat >= 1
+       "
+REQUIRES="
+       haiku$secondaryArchSuffix
+       "
+
+PROVIDES_devel="
+       libatomic_ops$secondaryArchSuffix_devel = $portVersion
+       devel:libatomic_ops$secondaryArchSuffix = 1.0.3 compat >= 1
+       devel:libatomic_ops_gpl$secondaryArchSuffix = 1.0.3 compat >= 1
+       "
+REQUIRES_devel="
+       libatomic_ops$secondaryArchSuffix == $portVersion base
+       "
+
+BUILD_REQUIRES="
+       haiku${secondaryArchSuffix}_devel
+       "
+BUILD_PREREQUIRES="
+       haiku${secondaryArchSuffix}_devel
+       cmd:gcc$secondaryArchSuffix
+       cmd:ld$secondaryArchSuffix
+       cmd:gawk
+       cmd:grep
+       cmd:make
+       cmd:sed
+       cmd:libtool
+       "
+
+BUILD()
+{
+       runConfigure ./configure --enable-shared \
+                                --with-gnu-ld \
+                                --disable-dependency-tracking
+
+       make $jobArgs
+}
+
+INSTALL()
+{
+       make install
+
+       fixPkgconfig
+
+       prepareInstalledDevelLibs \
+              libatomic_ops libatomic_ops_gpl
+
+       # devel package
+       packageEntries devel \
+              $developDir $dataDir
+}