diff --git a/rules/rtklib/default.bash b/rules/rtklib/default.bash
new file mode 100644
index 0000000..be3908a
--- /dev/null
+++ b/rules/rtklib/default.bash
@@ -0,0 +1,76 @@
+version=\
+(
+    "2.4.2"
+)
+
+git=\
+(
+    #"git://github.com/tomojitakasu/RTKLIB#master"
+    "git://github.com/krisklau/RTKLIB#fix/iss99"
+)
+
+git_hash=\
+(
+    c07cc29932b453544a46cd5efae4f815a93c2b35
+)
+
+maintainer=\
+(
+    'Kristian Klausen <kristian.klausen@itk.ntnu.no>'
+)
+
+
+post_unpack()
+{    
+    echo "Checking out correct version"
+    cd "${cfg_dir_builds}/$pkg/RTKLIB-git"
+    git reset --hard ${git_hash}
+}
+
+build_dir="RTKLIB-git"
+
+build()
+{
+    cd app/str2str/gcc
+    $cmd_make \
+	CC=$cmd_target_cc \
+	CTARGET="$cfg_target_gcc_flags" \
+	BINDIR="${cfg_dir_toolchain_sysroot}/usr/bin" 
+	
+    cd ../../rtkrcv/gcc
+    $cmd_make \
+	CC=$cmd_target_cc \
+	CTARGET="$cfg_target_gcc_flags" \
+	BINDIR="${cfg_dir_toolchain_sysroot}/usr/bin" 
+}
+
+host_install()
+{
+    cd app/str2str/gcc
+    $cmd_make \
+	CC=$cmd_target_cc \
+	CTARGET="$cfg_target_gcc_flags " \
+	BINDIR="${cfg_dir_toolchain_sysroot}/usr/bin" \
+	install
+	
+	cd ../../rtkrcv/gcc
+    $cmd_make \
+	CC=$cmd_target_cc \
+	CTARGET="$cfg_target_gcc_flags " \
+	BINDIR="${cfg_dir_toolchain_sysroot}/usr/bin" \
+	install
+}
+
+target_install()
+{
+    cp -a "${cfg_dir_toolchain_sysroot}/usr/bin/str2str" "${cfg_dir_rootfs}/usr/bin/" &&
+    $cmd_target_strip "${cfg_dir_rootfs}/usr/bin/str2str" 
+    
+    cp -a "${cfg_dir_toolchain_sysroot}/usr/bin/rtkrcv" "${cfg_dir_rootfs}/usr/bin/" &&
+    $cmd_target_strip "${cfg_dir_rootfs}/usr/bin/rtkrcv" 
+    
+    # Copy configurations and run-time commands
+    $cmd_mkdir "${cfg_dir_rootfs}/opt/lsts/rtklib/conf" &&
+    cp -a $cfg_dir_builds/rtklib/$build_dir/data ${cfg_dir_rootfs}/opt/lsts/rtklib 
+}
+