build failures: error: initializer element is not constant
[50/61] Linking target diff_roundtrip.
[51/61] Compiling C object 'fd_mirror@exe/test_fd_mirror.c.o'.
FAILED: fd_mirror@exe/test_fd_mirror.c.o
/nix/store/b8kdniwlxcppnsil2mq347aibf9hpm5d-gcc-wrapper-7.4.0/bin/cc -Ifd_mirror@exe -I. -I.. -I/nix/store/0qqk6rlh0nrxvwhnxjqij0f71hwg0p3h-mesa-19.1.1-dev/include -fdiagnostics-color=always -pipe -D_FILE_OFFSET_BITS=64 -Werror -std=c11 '-DWAYPIPE_VERSION="0.3.0"' '-DWAYPIPE_REL_SRC_DIR="../"' -DHAS_DMABUF=1 -DHAS_LZ4=1 -DHAS_ZSTD=1 -DHAS_VIDEO=1 -DHAS_VAAPI=1 -MD -MQ 'fd_mirror@exe/test_fd_mirror.c.o' -MF 'fd_mirror@exe/test_fd_mirror.c.o.d' -o 'fd_mirror@exe/test_fd_mirror.c.o' -c ../test/fd_mirror.c
../test/fd_mirror.c:361:33: error: initializer element is not constant
static const size_t test_size = test_width * test_height * test_cpp;
^~~~~~~~~~
../test/fd_mirror.c:363:12: error: initializer element is not constant
.width = (uint32_t)test_width,
^
../test/fd_mirror.c:363:12: note: (near initialization for 'slice_data.width')
../test/fd_mirror.c:364:13: error: initializer element is not constant
.height = (uint32_t)test_height,
^
../test/fd_mirror.c:364:13: note: (near initialization for 'slice_data.height')
../test/fd_mirror.c:369:15: error: initializer element is not constant
.strides = {(uint32_t)(test_width * test_cpp), 0, 0, 0},
^
../test/fd_mirror.c:369:15: note: (near initialization for 'slice_data.strides[0]')
../test/fd_mirror.c: In function 'wait_for_thread_pool':
../test/fd_mirror.c:200:3: warning: ignoring return value of 'read', declared with attribute warn_unused_result [-Wunused-result]
(void)read(pool->selfpipe_r, flush, sizeof(flush));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[52/61] Compiling C object 'damage_merge@exe/test_damage_merge.c.o'.
ninja: build stopped: subcommand failed.
builder for '/nix/store/b7pf3kpjbgfiwiv85hrcc81yjl2cs09m-waypipe-b9821d4a2255c47c799bd363a1f430e4b465b7ea.drv' failed with exit code 1
error: build of '/nix/store/b7pf3kpjbgfiwiv85hrcc81yjl2cs09m-waypipe-b9821d4a2255c47c799bd363a1f430e4b465b7ea.drv' failed