From c2d65e42f217654aaaa8fc4bcf1aaf69667a441a Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Thu, 6 Jul 2017 11:22:44 +0200
Subject: embree-isa neu

---
 embree-isa/PKGBUILD | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 embree-isa/PKGBUILD

(limited to 'embree-isa')

diff --git a/embree-isa/PKGBUILD b/embree-isa/PKGBUILD
new file mode 100644
index 00000000..81395dc8
--- /dev/null
+++ b/embree-isa/PKGBUILD
@@ -0,0 +1,45 @@
+# Contributor: Lukas Jirkovsky <l.jirkovsky@gmail.com>
+# Contributor: gucong <gucong43216@gmail.com>
+# Maintainer: Erich Eckner <arch at eckner dot net>
+
+pkgname=embree-isa
+pkgver=2.16.2
+pkgrel=1
+pkgdesc="A collection of high-performance ray tracing kernels (with build-time ISA detection)"
+arch=('x86_64')
+url="https://embree.github.io/"
+license=('Apache')
+depends=('intel-tbb')
+provides=('embree')
+conflicts=('embree')
+makedepends=('cmake' 'ispc' 'freeglut' 'libxmu' 'openexr')
+source=("embree-${pkgver}.tar.gz::https://github.com/embree/embree/archive/v${pkgver}.tar.gz")
+md5sums=('6c465ba05de57aa24bb70be051c4ba90')
+
+build() {
+  cd "$srcdir/embree-$pkgver"
+
+  MAX_ISA="SSE2"
+  cat /proc/cpuinfo | grep sse3 > /dev/null && MAX_ISA="SSE3"
+  cat /proc/cpuinfo | grep sse4_1 > /dev/null && MAX_ISA="SSE4.1"
+  cat /proc/cpuinfo | grep sse4_2 > /dev/null && MAX_ISA="SSE4.2"
+  cat /proc/cpuinfo | grep avx > /dev/null && MAX_ISA="AVX"
+  cat /proc/cpuinfo | grep avx2 > /dev/null && MAX_ISA="AVX2"
+  # ICC required for avx512 ?
+
+  echo MAX_ISA:  $MAX_ISA
+
+  cmake . \
+    -DCMAKE_INSTALL_PREFIX=/usr \
+    -DCMAKE_INSTALL_LIBDIR=lib \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DEMBREE_TUTORIALS=OFF \
+    -DEMBREE_MAX_ISA="$MAX_ISA"
+  make
+}
+
+package() {
+  cd "$srcdir/embree-$pkgver"
+  make DESTDIR="$pkgdir" install
+}
+
-- 
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