[PATCH 7/9] kbuild: uapi: use custom stub headers instead of libc ones

[Thomas Weißschuh]

Now that custom stub headers are provided for all libc headers used from
the UAPI headers, the dependency on the toolchain libc can be dropped.

Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
---
 usr/include/Makefile | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/usr/include/Makefile b/usr/include/Makefile
index fdc79cffcc97..d352280b0e4a 100644
--- a/usr/include/Makefile
+++ b/usr/include/Makefile
@@ -138,14 +138,13 @@ endif
 always-y := $(patsubst $(obj)/%.h,%.hdrtest, $(shell find $(obj) -name '*.h' 2>/dev/null))
 
 target-no-libc = $(filter-out $(uses-libc), $*.h)
-target-can-compile = $(and $(filter-out $(no-header-test), $*.h), \
-                           $(or $(CONFIG_CC_CAN_LINK), $(target-no-libc)))
+target-can-compile = $(filter-out $(no-header-test), $*.h)
 
 # Include the header twice to detect missing include guard.
 quiet_cmd_hdrtest = HDRTEST $<
       cmd_hdrtest = \
 		$(CC) $(c_flags) -fsyntax-only -Werror -x c /dev/null \
-			$(if $(target-no-libc), -nostdinc, -I $(srctree)/usr/dummy-include) \
+			-nostdinc $(if $(target-no-libc), , -I $(srctree)/usr/dummy-include) \
 			$(if $(target-can-compile), -include $< -include $<); \
 		$(PERL) $(src)/headers_check.pl $(obj) $<; \
 		touch $@

-- 
2.53.0