Richard Purdie <richard.pur...@linuxfoundation.org> writes:
> clang uses -rtlib and --unwindlib to select proper compiler runtime in
> some cases. Therefore pass these options to linker when found in
> ldflags
Thanks, I was planning on sending this one too.
>
> * build-aux/ltmain.in: Handle clang linker options
> ---
> build-aux/ltmain.in | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/build-aux/ltmain.in b/build-aux/ltmain.in
> index 34784c8c..cf6dc13a 100644
> --- a/build-aux/ltmain.in
> +++ b/build-aux/ltmain.in
> @@ -5412,12 +5412,14 @@ func_mode_link ()
> # -shared-libsan Link with shared sanitizer runtimes (Clang)
> # -static-libsan Link with static sanitizer runtimes (Clang)
> # -fuse-ld=* Linker select flags for GCC
> + # -rtlib=* select c runtime lib with clang
> + # --unwindlib=* select unwinder library with clang
> # -f{file|debug|macro}-prefix-map* needed for lto linking
> # -Wa,* Pass flags directly to the assembler
> # -Werror, -Werror=* Report (specified) warnings as errors
> -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
>
> -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
> -
> -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \
> +
> -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*|-rtlib=*|--unwindlib=*|
> \
> -specs=*|-fsanitize=*|-fno-sanitize*|-shared-libsan|-static-libsan| \
> -ffile-prefix-map*|-fdebug-prefix-map*|-fmacro-prefix-map*| \
> -fdiagnostics-color*|-frecord-gcc-switches| \
