prefix=/test
exec_prefix=${prefix}
libdir=${prefix}/lib
includedir=${prefix}/include

Name: quotes
Description: A testing pkg-config file
Version: 1.2.3
Libs: -L${libdir} -lfoo
Cflags: -DQUOTED=\"bla\" -DA=\"escaped\ string\'\ \literal\" -DB="\1\$" -DC='bla'