[Cubature] New recipe

From: https://github.com/stevengj/CubatureBuilder/blob/master/build_tarballs.jl

C/Cubature/build_tarballs.jl

@@ -0,0 +1,32 @@
+using BinaryBuilder
+
+name="Cubature"
+version=v"1.0.3"
+
+# Collection of sources required to build Cubature
+sources = [
+    GitSource("https://github.com/stevengj/cubature.git",
+              "a61dd32094bcf925fbc4a93d02e0f0f147f8b734"), # v1.0.3
+]
+
+# Bash recipe for building across all platforms
+script = raw"""
+cd $WORKSPACE/srcdir/cubature*
+mkdir -p ${libdir}
+${CC} ${LDFLAGS} -shared -fPIC -O3 hcubature.c pcubature.c -o ${libdir}/libcubature.${dlext}
+"""
+
+# These are the platforms we will build for by default, unless further
+# platforms are passed in on the command line
+platforms = supported_platforms()
+
+# The products that we will ensure are always built
+products = [
+    LibraryProduct("libcubature", :libcubature),
+]
+
+# Dependencies that must be installed before this package can be built
+dependencies = []
+
+# Build the tarballs, and possibly a `build.jl` as well.
+build_tarballs(ARGS, name, version, sources, script, platforms, products, dependencies)