linux-hardened/scripts/cc-can-link.sh

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0

cat << "END" | $@ -x c - -o /dev/null >/dev/null 2>&1
#include <stdio.h>
int main(void)
{
	printf("");
	return 0;
}
END
bpfilter: switch to CC from HOSTCC check that CC can build executables and use that compiler instead of HOSTCC Suggested-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> 2018-06-05 04:53:41 +02:00			`#!/bin/sh`
			`# SPDX-License-Identifier: GPL-2.0`

bpfilter: check compiler capability in Kconfig With the brand-new syntax extension of Kconfig, we can directly check the compiler capability in the configuration phase. If the cc-can-link.sh fails, the BPFILTER_UMH is automatically hidden by the dependency. I also deleted 'default n', which is no-op. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> 2018-06-26 05:55:35 +02:00			`cat << "END" \| $@ -x c - -o /dev/null >/dev/null 2>&1`
bpfilter: switch to CC from HOSTCC check that CC can build executables and use that compiler instead of HOSTCC Suggested-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> 2018-06-05 04:53:41 +02:00			`#include <stdio.h>`
			`int main(void)`
			`{`
			`printf("");`
			`return 0;`
			`}`
			`END`