@@ What is a project email (update the manifest file)? Using personal email of
   one of the developers for now.

@@ Get MinGW/msvcrt issue fixed (see client.c and pkg.c for details) in the
   original code base. Issue report is at
   https://github.com/pkgconf/pkgconf/issues/125.

@@ Get thread safety issue fixed. Relates to wide using static char buffers
   (just grep the sources for 'static char'). Issue report is at
   https://github.com/pkgconf/pkgconf/issues/128.

@@ Consider redefining PKGCONF_BUFSIZE from the current 65535 bytes to
   something smaller, given it is used to allocate buffers on the stack
   (sometimes several of them).

@@ For VC including libpkgconf.h leads to including win-dirent.h, that injects
   a bunch of static functions into the translation unit. So need to take care
   of not including libpkgconf.h in too many places.