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| author |   Thomas Weißschuh <thomas.weissschuh@linutronix.de> | 2025-04-24 13:48:11 +0200 |
|---|---|---|
| committer |   Thomas Weißschuh <linux@weissschuh.net> | 2025-05-21 15:31:49 +0200 |
| commit | a6a054c8ad32b04c2e5d3cc5592fa737a2bb771f (patch) | |
| tree | c4967327d11596ecca82890c5592c03f32869b21 /tools/include/nolibc | |
| parent | tools/nolibc: implement width padding in printf() (diff) | |
| download | wireguard-linux-a6a054c8ad32b04c2e5d3cc5592fa737a2bb771f.tar.xz wireguard-linux-a6a054c8ad32b04c2e5d3cc5592fa737a2bb771f.zip | |
tools/nolibc: add target to check header usability
Each nolibc header should be valid for inclusion irrespective of any
special ordering requirements.
Add a new make target, based on the old kbuild "make header_check" target
to validate this requirement.
For now the check fails, but the following commits will fix the issues.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20250424-nolibc-header-check-v1-1-011576b6ed6f@linutronix.de
Diffstat (limited to 'tools/include/nolibc')
| -rw-r--r-- | tools/include/nolibc/Makefile | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/include/nolibc/Makefile b/tools/include/nolibc/Makefile index e05862cd0805..aa2c81d78ead 100644 --- a/tools/include/nolibc/Makefile +++ b/tools/include/nolibc/Makefile @@ -101,5 +101,14 @@ headers_standalone: headers $(Q)$(MAKE) -C $(srctree) headers $(Q)$(MAKE) -C $(srctree) headers_install INSTALL_HDR_PATH=$(OUTPUT)sysroot +# GCC uses "s390", clang "systemz" +CLANG_CROSS_FLAGS := $(subst --target=s390-linux,--target=systemz-linux,$(CLANG_CROSS_FLAGS)) + +headers_check: headers_standalone + for header in $(filter-out crt.h std.h,$(all_files)); do \ + $(CC) $(CLANG_CROSS_FLAGS) -Wall -Werror -nostdinc -fsyntax-only -x c /dev/null \ + -I$(or $(objtree),$(srctree))/usr/include -include $$header -include $$header || exit 1; \ + done + clean: $(call QUIET_CLEAN, nolibc) rm -rf "$(OUTPUT)sysroot" |