/usr/lib/x86_64-linux-gnu/pkgconfig/ncurses++.pc is in libncurses5-dev 5.9+20140118-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | prefix=/usr
exec_prefix=${prefix}
libdir=/usr/lib/x86_64-linux-gnu
includedir=${prefix}/include
major_version=5
version=5.9.20140118
Name: ncurses++
Description: ncurses 5.9 add-on library
Version: ${version}
URL: http://invisible-island.net/ncurses
Requires.private: panel, menu, form, ncurses, tinfo
Libs: -L${libdir} -lncurses++
Libs.private:
Cflags:
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