https://gcc.gnu.org/g:26c4fa0b6dca6cbf59a39fdc167f5345ffae8b71
commit r15-11547-g26c4fa0b6dca6cbf59a39fdc167f5345ffae8b71 Author: Pietro Monteiro <[email protected]> Date: Fri Sep 4 21:23:41 2026 -0400 build: Add stdatomic.h to USER_H on OpenBSD Otherwise libatomic build fails with: ../../../gcc/libatomic/fence.c:27:10: fatal error: stdatomic.h: No such file or directory 27 | #include <stdatomic.h> | ^~~~~~~~~~~~~ compilation terminated. ../../../gcc/libatomic/flag.c:27:10: fatal error: stdatomic.h: No such file or directory 27 | #include <stdatomic.h> gcc/ChangeLog: * config/t-openbsd (USER_H): Add $(srcdir)/ginclude/stdatomic.h. Signed-off-by: Pietro Monteiro <[email protected]> (cherry picked from commit d32c1f0238f33b0f6a3ef1b5b228678a92585094) Diff: --- gcc/config/t-openbsd | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/gcc/config/t-openbsd b/gcc/config/t-openbsd index 3b625d62b30d..eba06fdd5c4c 100644 --- a/gcc/config/t-openbsd +++ b/gcc/config/t-openbsd @@ -1,5 +1,6 @@ -# We don't need GCC's own include files. -USER_H = $(EXTRA_HEADERS) +# We need stdatomic.h from GCC's include files. +USER_H = $(srcdir)/ginclude/stdatomic.h \ + $(EXTRA_HEADERS) # OpenBSD-specific D support. openbsd-d.o: $(srcdir)/config/openbsd-d.cc
