Packages with the custom-cflags use flag

app-crypt / johntheripper : fast password cracker

app-emulation / hercules : Hercules System/370, ESA/390 and zArchitecture Mainframe Emulator

app-emulation / wine-proton : Valve Software's fork of Wine

app-emulation / wine-staging : Free implementation of Windows(tm) on Unix, with Wine-Staging patchset

app-emulation / wine-vanilla : Free implementation of Windows(tm) on Unix, without external patchsets

app-office / libreoffice : A full office productivity suite

dev-lang / spidermonkey : SpiderMonkey is Mozilla's JavaScript engine written in C and C++

dev-util / mingw64-toolchain : All-in-one mingw64 toolchain intended for building Wine without crossdev

games-emulation / zsnes : Fork of the classic Super Nintendo emulator

media-libs / gmmlib : Intel Graphics Memory Management Library

Do not override user CFLAGS like -march, -msse and similar with lib defaults. Not tested by upstream.

media-libs / libsdl : Simple Direct Media Layer

media-libs / libsdl2 : Simple Direct Media Layer

media-video / x264-encoder : A free commandline encoder for X264/AVC streams

sci-biology / unafold : Unified Nucleic Acid Folding and hybridization package

sci-chemistry / gromacs : The ultimate molecular dynamics simulation package

sci-chemistry / tm-align : Quick & Accurate Structural Alignment

sys-boot / gnu-efi : Library for build EFI Applications

sys-boot / refind : The UEFI Boot Manager by Rod Smith

sys-boot / syslinux : SYSLINUX, PXELINUX, ISOLINUX, EXTLINUX and MEMDISK bootloaders

sys-boot / tboot : Performs a measured and verified boot using Intel Trusted Execution Technology

sys-cluster / ceph : Ceph distributed filesystem

sys-devel / gcc : The GNU Compiler Collection

sys-fs / zfs : Userland utilities for ZFS Linux kernel module

sys-fs / zfs-kmod : Linux ZFS kernel module for sys-fs/zfs

sys-libs / glibc : GNU libc C library

www-client / chromium : Open-source version of Google Chrome web browser

www-client / seamonkey : Seamonkey Web Browser

app-crypt