initial import

eigen/PKGBUILD

@@ -0,0 +1,40 @@
+# Maintainer: Jesus E. <heckyel@riseup.net>
+
+pkgname=eigen
+pkgver=3.3.9
+pkgrel=1
+pkgdesc="Lightweight C++ template library for vector and matrix math, a.k.a. linear algebra."
+arch=('any')
+url='https://eigen.tuxfamily.org'
+license=('LGPL-2.1')
+makedepends=('cmake' 'freeglut' 'gcc-fortran' 'fftw' 'boost')
+source=(https://gitlab.com/libeigen/eigen/-/archive/$pkgver/$pkgname-$pkgver.tar.gz
+        https://deb.debian.org/debian/pool/main/e/eigen3/eigen3_3.3.9-2.debian.tar.xz)
+sha512sums=('16244cc89f2e1879543232b965cbf653b3ccf10e967c8c437a41e27d8320392bdf584d8c24b8a97406ab7d1481d5154da74e0702ec1334ae6a46de83f4573a46'
+            'ac5c45bbcb2603047fa98abdf8da0cb439d6f20de0ba1b9155eddea80a4a1c028d0bea4b257043717768140655ab52be980ae997d51faee983168201195927fc')
+
+prepare() {
+  cd $pkgname-$pkgver
+  if [[ ${pkgver%.*} = ${_debver%.*} ]]; then
+    # Debian patches
+    export QUILT_PATCHES=debian/patches
+    export QUILT_REFRESH_ARGS='-p ab --no-timestamps --no-index'
+    export QUILT_DIFF_ARGS='--no-timestamps'
+
+    mv "$srcdir"/debian .
+
+    quilt push -av
+  fi
+}
+
+build() {
+  cmake -B build -S $pkgname-$pkgver \
+    -DCMAKE_INSTALL_PREFIX=/usr
+}
+
+package() {
+  DESTDIR="$pkgdir" cmake --install build
+
+  # install custom licenses
+  install -Dm644 $pkgname-$pkgver/COPYING.* -t "$pkgdir/usr/share/licenses/$pkgname"
+}