user/ffcall: import from Alpine

user/ffcall/APKBUILD

+# Contributor: Carlo Landmeter <clandmeter@gmail.com>
+# Contributor: Will Sinatra <wpsinatra@gmail.com>
+# Contributor: Lee Starnes <lee@canned-death.us>
+# Maintainer: Lee Starnes <lee@canned-death.us>
+pkgname=ffcall
+pkgver=2.2
+pkgrel=0
+pkgdesc="C library for implementing foreign function calls in embedded interpreterts"
+url="https://www.gnu.org/software/libffcall"
+arch="all"
+license="GPL-2.0-or-later"
+makedepends="$depends_dev"
+subpackages="$pkgname-dev $pkgname-doc"
+source="https://ftp.gnu.org/gnu/libffcall/libffcall-$pkgver.tar.gz"
+builddir="$srcdir/"/libffcall-$pkgver
+
+build() {
+	./configure \
+		--build=$CBUILD \
+		--host=$CHOST \
+		--prefix=/usr \
+		--sysconfdir=/etc \
+		--mandir=/usr/share/man \
+		--infodir=/usr/share/info \
+		--localstatedir=/var
+	# Fails to build if building in parallel
+	make -j1
+}
+
+check() {
+	make check
+}
+
+package() {
+	make DESTDIR="$pkgdir" htmldir=/usr/share/doc/ffcall install
+
+}
+
+sha512sums="b9d3ca4c67ab92915a8183d850153e585dcb58ceb2199a104426a7aae363d37017b1226440acd18a2db0cc207e044f71e932857189964261e8eaa6de5cef1731  libffcall-2.2.tar.gz"