> -Original Message-
> From: Gcc-patches On Behalf Of
> Christophe Lyon via Gcc-patches
> Sent: 24 February 2021 15:14
> To: gcc Patches
> Subject: Re: arm: Fix CMSE support detection in libgcc (PR target/99157)
>
> On Tue, 23 Feb 2021 at 18:29, Christophe L
On Tue, 23 Feb 2021 at 18:29, Christophe Lyon
wrote:
>
> As discussed in the PR, the Makefile fragment lacks a double '$' to
> get the return-code from GCC invocation, resulting is CMSE support
> missing from multilibs.
>
> I checked that the simple patch proposed in the PR fixes the problem.
BTW
HAVE_CMSE:=$(findstring __ARM_FEATURE_CMSE,$(shell
$(gcc_compile_bare) -dM -E - /dev/null
2>/dev/null; echo $?),0)
+ifeq ($(shell $(gcc_compile_bare) -E -mcmse - /dev/null
2>/dev/null; echo $$?),0)
CMSE_OPTS:=-mcmse
endif
arm: Fix CMSE support detection in libgcc (PR target/99157)
As discusse
