MINGW64 ~/layout/oss/pango-1.38.1
$ pkg-config --list-all
isl isl - isl Library
gnurx regex - Regular Expressions library
formw formw - ncurses 6.0 add-on library
menuw menuw - ncurses 6.0 add-on library
python2 Python - Python library
panelw panelw - ncurses 6.0 add-on library
openssl OpenSSL - Secure Sockets Layer and cryptography libraries and tools
tre TRE - TRE regexp matching library
libffi libffi - Library supporting Foreign Function Interfaces
python Python - Python library
libcrypto OpenSSL-libcrypto - OpenSSL cryptography library
zlib zlib - zlib compression library
python-2.7 Python - Python library
ncursesw ncursesw - ncurses 6.0 library
bzip2 bzip2 - Lossless, block-sorting data compression
ncurses++w ncurses++w - ncurses 6.0 add-on library
expat expat - expat XML parser
minizip minizip - Minizip zip file manipulation library
regex regex - Regular Expressions library
libssl OpenSSL-libssl - Secure Sockets Layer and cryptography libraries
MINGW64 ~/layout/oss/pango-1.38.1
$ env | grep PKG
PKG_CONFIG_PATH=/mingw64/lib/pkgconfig:/mingw64/share/pkgconfig