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

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 <[email protected]>
---
 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