These seem to be imported from NetBDS, but these crap out when using certain C99 and up features due to their lack of protecting their arguments, so this code:
--8<---------------cut here---------------start------------->8--- memcpy(ed.md5, (unsigned char[]) { 0xfe, 0xed, 0xfe, 0xed, 0xfe, 0xed, 0xfe, 0xed, 0xfe, 0xed, 0xfe, 0xed, 0xfe, 0xed, 0xfe, 0xed, }, sizeof(ed.md5)); --8<---------------cut here---------------end--------------->8--- will go boom like that: --8<---------------cut here---------------start------------->8--- /mnt/share/cygpkgs/libarchive/libarchive.x86_64/src/libarchive-3.8.0/libarchive/test/test_write_format_mtree_preset_digests.c: In function ‘test_write_format_mtree_digests_md5_digest_set_no_data’: /mnt/share/cygpkgs/libarchive/libarchive.x86_64/src/libarchive-3.8.0/libarchive/test/test_write_format_mtree_preset_digests.c:332:26: error: macro "memcpy" passed 19 arguments, but takes just 3 332 | }, sizeof(ed.md5)); | ^ In file included from /usr/include/string.h:180, from /mnt/share/cygpkgs/libarchive/libarchive.x86_64/src/libarchive-3.8.0/test_utils/test_common.h:73, from /mnt/share/cygpkgs/libarchive/libarchive.x86_64/src/libarchive-3.8.0/libarchive/test/test.h:42, from /mnt/share/cygpkgs/libarchive/libarchive.x86_64/src/libarchive-3.8.0/libarchive/test/test_write_format_mtree_preset_digests.c:26: /usr/include/ssp/string.h:97: note: macro "memcpy" defined here 97 | #define memcpy(dst, src, len) __ssp_bos_check3(memcpy, dst, src, len) | /mnt/share/cygpkgs/libarchive/libarchive.x86_64/src/libarchive-3.8.0/libarchive/test/test_write_format_mtree_preset_digests.c:329:9: warning: statement with no effect [-Wunused-value] 329 | memcpy(ed.md5, (unsigned char[]) { | ^~~~~~ --8<---------------cut here---------------end--------------->8--- If there is a version of these macros compatible with Cygwin that avoids the issue it would be nice to replace or update them. Regards, Achim. -- +<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+ Factory and User Sound Singles for Waldorf rackAttack: http://Synth.Stromeko.net/Downloads.html#WaldorfSounds