https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66530
--- Comment #7 from Jennifer Yao <jy38 at zips dot uakron.edu> ---
(In reply to Jonathan Wakely from comment #4)
> Does this patch fix it?
>
> --- a/libstdc++-v3/testsuite/lib/libstdc++.exp
> +++ b/libstdc++-v3/testsuite/lib/libstdc++.exp
> @@ -226,6 +226,11 @@ proc libstdc++_init { testfile } {
> if [info exists env(LD_LIBRARY_PATH)] {
> verbose -log "LD_LIBRARY_PATH = $env(LD_LIBRARY_PATH)"
> }
> +
> + # Cygwin uses PATH not LD_LIBRARY_PATH, see
> https://gcc.gnu.org/PR66530
> + if { [ishost "*-*-cygwin*"] } {
> + setenv PATH "$ld_library_path:$env(PATH)"
> + }
> } else {
> set compiler [transform "g++"]
> }
Just tested setting PATH with a separate test program on Cygwin, and it works.
^_____^
