Enable ARM NEON to fix build errors

This fixes compiler error when NEON intrinsics are used. This started appearing with libpng updates from Buildroot, but it should have been enabled anyway.
nerves-project · Nov 21, 2024 · 0c3decc · 0c3decc
1 parent 9493d2c
commit 0c3decc
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/mix.exs b/mix.exs
@@ -59,7 +59,7 @@ defmodule NervesSystemRpi3.MixProject do
         {"TARGET_OS", "linux"},
         {"TARGET_ABI", "gnueabihf"},
         {"TARGET_GCC_FLAGS",
-         "-mabi=aapcs-linux -mfpu=fp-armv8 -marm -fstack-protector-strong -mfloat-abi=hard -mcpu=cortex-a53 -fPIE -pie -Wl,-z,now -Wl,-z,relro"}
+         "-mabi=aapcs-linux -mfpu=neon-fp-armv8 -marm -fstack-protector-strong -mfloat-abi=hard -mcpu=cortex-a53 -fPIE -pie -Wl,-z,now -Wl,-z,relro"}
       ],
       checksum: package_files()
     ]

diff --git a/nerves_defconfig b/nerves_defconfig
@@ -1,5 +1,6 @@
 BR2_arm=y
 BR2_cortex_a53=y
+BR2_ARM_FPU_NEON_FP_ARMV8=y
 BR2_TOOLCHAIN_EXTERNAL=y
 BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
 BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y