[PATCH] configure-time LDFLAGS leak into ncurses pkg-config file

[Michael Stapelberg]

When building ncurses with e.g. -Wl,-rpath=/ro/ncurses-amd64-6.2-9/lib
(to make it hermetic, see my work-in-progress post at
https://website-review.zekjur.net/pull/hermetic/posts/2020-05-04-distri-hermetic-packages/),
I noticed that the resulting pkg-config files (e.g.
lib/pkgconfig/ncursesw.pc) includes the LDFLAGS!

This will result in software that links against ncurses being built
with the wrong rpath.

In general, LDFLAGS should not be persisted into pkg-config. The
attached patch fixes the issue.

Thanks,

pc-ldflags.patch
Description: Text Data