Packages with the pch use flag

Global definition: Enable precompiled header support for faster compilation at the expense of disk space and memory (>=sys-devel/gcc-3.4 only).

app-arch / p7zip : Port of 7-Zip archiver for Unix

dev-db / tora : SQL IDE for Oracle, MySQL and PostgreSQL dbs

dev-games / ogre : Object-oriented Graphics Rendering Engine

dev-java / icedtea : A harness to build OpenJDK using Free Software build tools and dependencies

dev-java / openjdk : Open source implementation of the Java programming language

dev-lang / gnat-gpl : GNAT Ada Compiler - GPL version

dev-libs / ppl : The Parma Polyhedra Library for numerical analysis of complex systems

dev-util / codeblocks : The open source, cross platform, free C, C++ and Fortran IDE

dev-util / oprofile : A transparent low-overhead system-wide profiler

games-emulation / dolphin : Gamecube and Wii game emulator

games-strategy / 0ad : A free, real-time strategy game

media-libs / opencv : A collection of algorithms and sample code for various computer vision problems

media-sound / mumble : Mumble is an open source, low-latency, high quality voice chat software

media-sound / murmur : Mumble is an open source, low-latency, high quality voice chat software

media-video / mkvtoolnix : Tools to create, alter, and inspect Matroska files

net-ftp / ncftp : An extremely configurable ftp client

sci-astronomy / celestia : OpenGL 3D space simulator

sci-libs / cantera : Object-oriented tool suite for chemical kinetics, thermodynamics, and transport

sys-devel / gcc : The GNU Compiler Collection

sys-fs / ext3grep : Recover deleted files on an ext3 file system