clang uses -rtlib and --unwindlib to select proper compiler runtime in some cases. Therefore pass these options to linker when found in ldflags
* 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 5b59d959..8a832a47 100644 --- a/build-aux/ltmain.in +++ b/build-aux/ltmain.in @@ -5413,12 +5413,14 @@ 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|profile}-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=*|-fprofile-prefix-map=*| \ -fdiagnostics-color*|-frecord-gcc-switches| \ -- 2.39.2