Edit: /usr/lib64/pkgconfig/libxslt.pc (223B)
prefix=/usr
exec_prefix=/usr
libdir=/usr/lib64
includedir=/usr/include
Name: libxslt
Version: 1.1.32
Description: XSLT library version 2.
Requires: libxml-2.0
Libs: -L${libdir} -lxslt -lxml2 -lm
Cflags: -I${includedir}