From 626fa7681b732cbfee050aaa25e7e22484b14a46 Mon Sep 17 00:00:00 2001
From: Jakob Ketterl <jakob.ketterl@gmx.de>
Date: Thu, 10 Sep 2020 21:07:49 +0200
Subject: [PATCH] improvise compiler flags for arm cpus

---
 docker/scripts/install-dependencies-uhd.sh | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/docker/scripts/install-dependencies-uhd.sh b/docker/scripts/install-dependencies-uhd.sh
index 747c024..f493bef 100755
--- a/docker/scripts/install-dependencies-uhd.sh
+++ b/docker/scripts/install-dependencies-uhd.sh
@@ -29,7 +29,22 @@ git clone https://github.com/EttusResearch/uhd.git
 mkdir -p uhd/host/build
 cd uhd/host/build
 git checkout v3.15.0.0
-cmake ..
+# see https://github.com/EttusResearch/uhd/issues/350
+case `uname -m` in
+  arm*)
+    cmake -DCMAKE_CXX_FLAGS:STRING="-march=armv7-a -mfloat-abi=hard -mfpu=neon -mtune=cortex-a8 -Wno-psabi" \
+            -DCMAKE_C_FLAGS:STRING="-march=armv7-a -mfloat-abi=hard -mfpu=neon -mtune=cortex-a8 -Wno-psabi" \
+          -DCMAKE_ASM_FLAGS:STRING="-march=armv7-a -mfloat-abi=hard -mfpu=neon -mtune=cortex-a8 -g" ..
+    ;;
+  aarch64*)
+    cmake -DCMAKE_CXX_FLAGS:STRING="-march=armv8-a -mtune=cortex-a72 -Wno-psabi" \
+            -DCMAKE_C_FLAGS:STRING="-march=armv8-a -mtune=cortex-a72 -Wno-psabi" \
+          -DCMAKE_ASM_FLAGS:STRING="-march=armv8-a -mtune=cortex-a72 -g" ..
+    ;;
+  x86_64)
+    cmake ..
+    ;;
+esac
 make
 make install
 cd ../../..