From 6d3a42d8fcc84dd8e46417f598da1c2493514616 Mon Sep 17 00:00:00 2001
From: Kevin Mihelich <kevin@archlinuxarm.org>
Date: Mon, 21 Dec 2020 16:14:26 +0000
Subject: [PATCH] added community/openblas

---
 community/openblas/PKGBUILD | 54 +++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 community/openblas/PKGBUILD

diff --git a/community/openblas/PKGBUILD b/community/openblas/PKGBUILD
new file mode 100644
index 000000000..a9a70b185
--- /dev/null
+++ b/community/openblas/PKGBUILD
@@ -0,0 +1,54 @@
+# Maintainer: Felix Yan <felixonmars@archlinux.org>
+# Contributor: Giuseppe Borzi <gborzi _AT_ ieee _DOT_ org>
+
+# ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
+#  - set build targets
+#  - clear Makefile.arm (bad cflags overrides)
+
+pkgname=openblas
+_pkgname=OpenBLAS
+pkgver=0.3.13
+pkgrel=2.1
+pkgdesc="An optimized BLAS library based on GotoBLAS2 1.13 BSD"
+arch=('x86_64')
+url="https://www.openblas.net/"
+license=('BSD')
+depends=('gcc-libs')
+makedepends=('perl' 'gcc-fortran')
+provides=('blas=3.8.0')
+conflicts=('blas')
+source=(${_pkgname}-v${pkgver}.tar.gz::https://github.com/xianyi/OpenBLAS/archive/v${pkgver}.tar.gz)
+sha512sums=('86e7f496587cc35d7feede99cbe3cf627ef690dd7489bb03b95f7d15ed758e32baf17d79f17b1de187184394233f60a8249a64dd53c3d59a9540db92269b7ee4')
+
+build() {
+  cd "$srcdir/$_pkgname-$pkgver"
+
+  truncate -s 0 Makefile.arm
+  [[ $CARCH == "aarch64" ]] && CONFIG="TARGET=ARMV8"
+  [[ $CARCH == "armv7h" ]] && CONFIG="TARGET=ARMV7" && CFLAGS=`echo $CFLAGS | sed -e 's/vfpv3-d16/neon/'` && CXXFLAGS="$CFLAGS"
+  [[ $CARCH == "armv6h" ]] && CONFIG="TARGET=ARMV6"
+  [[ $CARCH == "arm" ]] && CONFIG="TARGET=ARMV5"
+
+  make NO_STATIC=1 NO_LAPACK=1 NO_LAPACKE=1 NO_CBLAS=1 NO_AFFINITY=1 USE_OPENMP=1 \
+       CFLAGS="$CPPFLAGS $CFLAGS" $CONFIG \
+       NUM_THREADS=64 MAJOR_VERSION=3 libs shared
+}
+
+package() {
+  cd "$srcdir/$_pkgname-$pkgver"
+
+  make PREFIX="$pkgdir"/usr NUM_THREADS=64 MAJOR_VERSION=3 install
+  rm -f "$pkgdir"/usr/include/cblas.h "$pkgdir"/usr/include/lapack*
+  install -Dm644 LICENSE "$pkgdir"/usr/share/licenses/$pkgname/LICENSE
+
+  cd "$pkgdir"/usr/lib/
+  ln -s libopenblasp-r$pkgver.so libblas.so
+  ln -s libopenblasp-r$pkgver.so libblas.so.3
+  sed -i -e "s%$pkgdir%%" "$pkgdir"/usr/lib/cmake/openblas/OpenBLASConfig.cmake
+  sed -i -e "s%$pkgdir%%" "$pkgdir"/usr/lib/pkgconfig/openblas.pc
+  ln -s openblas.pc "$pkgdir"/usr/lib/pkgconfig/blas.pc
+
+  rmdir "$pkgdir"/usr/bin
+}
+
+# vim:set ts=2 sw=2 et: