spglib: import as avogadrolibs new dependency

spglib/PKGBUILD

@@ -0,0 +1,27 @@
+# Contributions from Arch:
+# Maintainer: Antonio Rojas <arojas@archlinux.org>
+
+pkgname=spglib
+pkgver=1.9.9
+pkgrel=1
+pkgdesc="C library for finding and handling crystal symmetries"
+arch=(x86_64)
+url="https://atztogo.github.io/spglib/"
+license=(custom)
+depends=(glibc)
+source=($pkgname-$pkgver.tar.gz::"https://github.com/atztogo/spglib/archive/v$pkgver.tar.gz")
+md5sums=('6bbf2cb37a2294f26f2324e1142ab7d8')
+
+build() {
+  cd $pkgname-$pkgver
+  touch INSTALL NEWS README AUTHORS
+  autoreconf -vi
+  ./configure --prefix=/usr
+  make
+}
+
+package() {
+  cd $pkgname-$pkgver
+  make DESTDIR="$pkgdir" install
+  install -Dm644 "$srcdir"/$pkgname-$pkgver/COPYING "$pkgdir"/usr/share/licenses/$pkgname/LICENSE
+}