- Improved pkg-config's recursive package list expansion performance.
Thanks to Matthew Hanna for the fix.
- Handle an empty prefix setting correctly when --define-prefix is used.
initialization. Thanks to Marco Diego Aurélio Mesquita for the fix.
prefix in configure output. Thanks to Russ Albery for the fix.
- Handle -isystem and -idirafter when PKG_CONFIG_SYSROOT_DIR is set.
Linux From Scratch: Your Distro, Your Rules.