tce-load -i compiletc cmake ninja yasm perl5

wget https://storage.googleapis.com/aom-releases/libaom-3.13.1.tar.gz

cd libaom-3.13.1

sudo cp /tmp/tcloop/clang/usr/local/bin/clang-19 /usr/local/bin
cd /usr/local/bin
sudo ln -s clang-19 clang
sudo ln -s clang-19 clang++

mkdir aom-build
cd aom-build

cmake -LAH -DCMAKE_CXX_COMPILER=/usr/local/bin/clang++ -DCMAKE_C_COMPILER=/usr/local/bin/clang -DCMAKE_C_FLAGS_RELEASE="-march=armv8-a+crc -mtune=cortex-a72 -Os -pipe" -DCMAKE_CXX_FLAGS_RELEASE="-march=armv8-a+crc -mtune=cortex-a72 -Os -pipe -fno-exceptions -fno-rtti" -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Release -DCMAKE_VERBOSE_MAKEFILE=TRUE -DBUILD_SHARED_LIBS=1 -DENABLE_DOCS=no -DAOM_ARCH_AARCH64=1 -G Ninja ../

[building with gcc fails]

ninja [5m 47.28s]
sudo ninja install

FAILED: CMakeFiles/aom_dsp_common_sve_intrinsics.dir/aom_dsp/arm/highbd_convolve8_sve.c.o 
/usr/local/bin/cc  -I/usr/src/aom -I/usr/src/aom/aom-build -I/usr/src/aom/apps -I/usr/src/aom/common -I/usr/src/aom/examples -I/usr/src/aom/stats -I/usr/src/aom/third_party/libyuv/include -I/usr/src/aom/third_party/libwebm -march=armv8-a+crc -mtune=cortex-a72 -Os -pipe -std=c99 -Wall -Wdisabled-optimization -Wextra -Wfloat-conversion -Wformat=2 -Wimplicit-function-declaration -Wlogical-op -Wmissing-declarations -Wmissing-prototypes -Wpointer-arith -Wshadow -Wsign-compare -Wtype-limits -Wundef -Wuninitialized -Wunused -Wvla -Wstack-usage=100000 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -fPIC -march=armv8.2-a+dotprod+i8mm+sve -MD -MT CMakeFiles/aom_dsp_common_sve_intrinsics.dir/aom_dsp/arm/highbd_convolve8_sve.c.o -MF CMakeFiles/aom_dsp_common_sve_intrinsics.dir/aom_dsp/arm/highbd_convolve8_sve.c.o.d -o CMakeFiles/aom_dsp_common_sve_intrinsics.dir/aom_dsp/arm/highbd_convolve8_sve.c.o -c /usr/src/aom/aom_dsp/arm/highbd_convolve8_sve.c
/usr/src/aom/aom_dsp/arm/highbd_convolve8_sve.c: In function 'aom_tbl2x4_s16':
/usr/src/aom/aom_dsp/arm/highbd_convolve8_sve.c:282:26: warning: missing braces around initializer [-Wmissing-braces]
  282 |   int8x16x2_t samples0 = { vreinterpretq_s8_s16(t0[0]),
      |                          ^
      |                            {
  283 |                            vreinterpretq_s8_s16(t1[0]) };
      |                                                        }
/usr/src/aom/aom_dsp/arm/highbd_convolve8_sve.c:284:26: warning: missing braces around initializer [-Wmissing-braces]
  284 |   int8x16x2_t samples1 = { vreinterpretq_s8_s16(t0[1]),
      |                          ^
      |                            {
  285 |                            vreinterpretq_s8_s16(t1[1]) };
      |                                                        }
/usr/src/aom/aom_dsp/arm/highbd_convolve8_sve.c:286:26: warning: missing braces around initializer [-Wmissing-braces]
  286 |   int8x16x2_t samples2 = { vreinterpretq_s8_s16(t0[2]),
      |                          ^
      |                            {
  287 |                            vreinterpretq_s8_s16(t1[2]) };
      |                                                        }
/usr/src/aom/aom_dsp/arm/highbd_convolve8_sve.c:288:26: warning: missing braces around initializer [-Wmissing-braces]
  288 |   int8x16x2_t samples3 = { vreinterpretq_s8_s16(t0[3]),
      |                          ^
      |                            {
  289 |                            vreinterpretq_s8_s16(t1[3]) };
      |                                                        }
/usr/src/aom/aom_dsp/arm/highbd_convolve8_sve.c: In function 'aom_tbl2x2_s16':
/usr/src/aom/aom_dsp/arm/highbd_convolve8_sve.c:299:26: warning: missing braces around initializer [-Wmissing-braces]
  299 |   int8x16x2_t samples0 = { vreinterpretq_s8_s16(t0[0]),
      |                          ^
      |                            {
  300 |                            vreinterpretq_s8_s16(t1[0]) };
      |                                                        }
/usr/src/aom/aom_dsp/arm/highbd_convolve8_sve.c:301:26: warning: missing braces around initializer [-Wmissing-braces]
  301 |   int8x16x2_t samples1 = { vreinterpretq_s8_s16(t0[1]),
      |                          ^
      |                            {
  302 |                            vreinterpretq_s8_s16(t1[1]) };
      |                                                        }
during RTL pass: expand
In file included from /usr/src/aom/aom_dsp/arm/highbd_convolve8_sve.c:19:
In function 'aom_tbl_s16',
    inlined from 'highbd_convolve4_4_h' at /usr/src/aom/aom_dsp/arm/highbd_convolve8_sve.c:147:33:
/usr/src/aom/aom_dsp/arm/aom_neon_sve_bridge.h:53:10: internal compiler error: Segmentation fault
   53 |   return svget_neonq_s16(svtbl_s16(svset_neonq_s16(svundef_s16(), s),
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   54 |                                    svset_neonq_u16(svundef_u16(), tbl)));
      |                                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0x174f88f internal_error(char const*, ...)
        ???:0
0x9449c8 store_expr(tree_node*, rtx_def*, int, bool, bool)
        ???:0
Please submit a full bug report, with preprocessed source (by using -freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.