function2: Add package

function2 is an improved, drop in replacement for std::function.

Signed-off-by: William A. Kennington III <wak@google.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-support/function2/function2_4.0.0.bb

@@ -0,0 +1,21 @@
+SUMMARY = "Improved drop-in replacement for std::function"
+DESCRIPTION = "Provides improved implementations of std::function."
+HOMEPAGE = "https://naios.github.io/function2"
+LICENSE = "BSL-1.0"
+LIC_FILES_CHKSUM = "file://LICENSE.txt;md5=e4224ccaecb14d942c71d31bef20d78c"
+SRCREV = "d2acdb6c3c7612a6133cd03464ef941161258f4e"
+PV .= "+git${SRCPV}"
+
+SRC_URI += "gitsm://github.com/Naios/function2"
+
+S = "${WORKDIR}/git"
+
+inherit cmake
+inherit ptest
+
+# Installs some data to incorrect top-level /usr directory
+do_install_append() {
+	mkdir -p ${D}/${datadir}/function2
+	mv ${D}/${prefix}/Readme.md ${D}/${datadir}/function2/
+	mv ${D}/${prefix}/LICENSE.txt ${D}/${datadir}/function2/
+}