Firefox (75) and AOM itself fail to build with NEON enabled. As such we should disable it for now. In file included from /home/buildozer/aports/community/firefox/src/firefox-75.0/third_party/aom/aom_dsp/arm/blend_a64_mask_neon.c:12: /home/buildozer/aports/community/firefox/src/firefox-75.0/third_party/aom/av1/common/arm/mem_neon.h: In function 'load_u8_8x8': /usr/lib/gcc/armv7-alpine-linux-musleabihf/9.3.0/include/arm_neon.h:10303:1: error: inlining failed in call to always_inline 'vld1_u8': target specific option mismatch 10303 | vld1_u8 (const uint8_t * __a) | ^~~~~~~ --- a/media/libaom/moz.build 2020-04-09 08:20:14.608439591 +0200 +++ b/media/libaom/moz.build 2020-04-09 08:20:21.801745246 +0200 @@ -42,26 +42,6 @@ ASFLAGS += [ '-I%s/media/libaom/config/linux/ia32/' % TOPSRCDIR ] LOCAL_INCLUDES += [ '/media/libaom/config/linux/ia32/' ] EXPORTS.aom += [ 'config/linux/ia32/config/aom_config.h' ] -elif CONFIG['CPU_ARCH'] == 'arm': - EXPORTS.aom += files['ARM_EXPORTS'] - ASFLAGS += [ - '-I%s/media/libaom/config/linux/arm/' % TOPSRCDIR, - '-I%s/libaom' % OBJDIR, - ] - LOCAL_INCLUDES += [ '/media/libaom/config/linux/arm/' ] - EXPORTS.aom += [ 'config/linux/arm/config/aom_config.h' ] - - SOURCES += files['ARM_SOURCES'] - - for f in SOURCES: - if f.endswith('neon.c'): - SOURCES[f].flags += CONFIG['VPX_ASFLAGS'] - - if CONFIG['OS_TARGET'] == 'Android': - # For cpu-features.h - LOCAL_INCLUDES += [ - '%%%s/sources/android/cpufeatures' % CONFIG['ANDROID_NDK'], - ] else: # Generic C-only configuration EXPORTS.aom += files['GENERIC_EXPORTS']