aarch64/armv7/armv8 compatibility

1 files changed, 96 insertions, 13 deletions

diff --git a/PKGBUILD b/PKGBUILD
index 0be7c6e3881a..328011e8ec1e 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -31,21 +31,104 @@ source=("git+https://github.com/ARM-software/ComputeLibrary.git")
 sha1sums=('SKIP')
 
 build() {
+
+NEON=0
+case "$CARCH" in
+
+ armv7h) HARCH='armv7a'
+ if [ $(cat /proc/cpuinfo | grep "Features" | grep -c "neon") -gt "0" ]; then
+  NEON=1
+ else
+  NEON=0
+ fi
+ ;;
+
+ armv8h) HARCH="$CARCH"
+  if [ $(cat /proc/cpuinfo | grep "Features" | grep -c "neon") -gt "0" ]; then
+   NEON=1
+  else
+   NEON=0
+  fi
+  if [ $(cat /proc/cpuinfo | grep "CPU architecture" | tail -1 | sed 's/CPU architecture: //g') == '8.6' ]; then
+   HARCH='armv8.6-a'
+  fi
+  if [ $(cat /proc/cpuinfo | grep "CPU architecture" | tail -1 | sed 's/CPU architecture: //g') == '8.2' ]; then
+   if [ $(cat /proc/cpuinfo | grep "Features" | grep -c "sve") -gt "0" ]; then
+    HARCH='armv8.2-a-sve'
+   else
+    HARCH='armv8.2-a'
+   fi
+  fi
+  if [ $(cat /proc/cpuinfo | grep "CPU architecture" | tail -1 | sed 's/CPU architecture: //g') == '8' ]; then
+   HARCH='armv8a'
+  fi
+  if [ $HARCH == $CARCH ]; then
+   echo "Incompatible Arm Architecture. Only Arm version 8 is supported, Please verify your Arm Architecture Version is between 8 and 8.6 on $CARCH."
+   exit 1
+  fi
+ ;;
+
+ aarch64)HARCH="$CARCH"
+  if [ $(cat /proc/cpuinfo | grep "Features" | grep -c "neon") -gt "0" ]; then
+   NEON=1
+  else
+   NEON=0
+  fi
+  if [ $(cat /proc/cpuinfo | grep "CPU architecture" | tail -1 | sed 's/CPU architecture: //g') == '8.6' ]; then
+   echo "Incompatible Arm Architecture. Arm64 is not compatible with Arm Archtectures greater than 8.2 at this time."
+   exit 1
+  fi
+  if [ $(cat /proc/cpuinfo | grep "CPU architecture" | tail -1 | sed 's/CPU architecture: //g') == '8.2' ]; then
+   if [ $(cat /proc/cpuinfo | grep "Features" | grep -c "sve") -gt "0" ]; then
+    HARCH='arm64-v8.2-a-sve'
+   else
+    HARCH='arm64-v8.2-a'
+   fi
+  fi
+  if [ $(cat /proc/cpuinfo | grep "CPU architecture" | tail -1 | sed 's/CPU architecture: //g') == '8' ]; then
+   HARCH='arm64-v8a'
+  fi
+  if [ $HARCH == $CARCH ]; then
+   echo "Incompatible Arm Architecture. Only Arm version 8 is supported, Please verify your Arm Architecture Version is between 8 and 8.2 on $CARCH."
+   exit 1
+  fi
+ ;;
+esac
+
   cd "${srcdir}/ComputeLibrary"
   git checkout "v$pkgver"
-  scons -j`cat /proc/cpuinfo | grep -i "processor" | wc -l` \
-  os=linux arch=$CARCH build=native \
-  Werror=0 debug=0 asserts=0 \
-  neon=1 \
-  opencl=1 gles_compute=1 embed_kernels=1 \
-  examples=0 \
-  set_soname=0 \
-  openmp=1 cppthreads=1 \
-  pmu=1 \
-  mali=1 \
-  validation_tests=0 \
-  benchmark_tests=0 \
-  extra_cxx_flags="-fPIC"
+  if [ $NEON = "1" ]; then
+
+   scons -j`cat /proc/cpuinfo | grep -i "processor" | wc -l` \
+   os=linux arch=$HARCH build=native \
+   Werror=0 debug=0 asserts=0 \
+   neon=1 \
+   opencl=1 gles_compute=1 embed_kernels=1 \
+   examples=0 \
+   set_soname=0 \
+   openmp=1 cppthreads=1 \
+   pmu=1 \
+   mali=1 \
+   validation_tests=0 \
+   benchmark_tests=0 \
+   extra_cxx_flags="-fPIC"
+
+  else
+ 
+   scons -j`cat /proc/cpuinfo | grep -i "processor" | wc -l` \
+   os=linux arch=$HARCH build=native \
+   Werror=0 debug=0 asserts=0 \
+   neon=0 \
+   opencl=1 gles_compute=1 embed_kernels=1 \
+   examples=0 \
+   set_soname=0 \
+   openmp=1 cppthreads=1 \
+   pmu=1 \
+   mali=1 \
+   validation_tests=0 \
+   benchmark_tests=0 \
+   extra_cxx_flags="-fPIC"
+  fi
 }
 
 #check() {}