Hi,
I'm proposing to offer a new eselect module "compiler". Briefly
speaking, it manages /usr/bin/{cc,c++} as symlinks to C/C++ compilers
specified by the user.
This is related to my GSoC project: to use clang as the native
compiler in Gentoo. While putting "CC=clang" in make.defaults could
make portage use clang, symlinking cc/c++ to clang allows build tools
like GNU Make and CMake to also use clang as the default compiler,
making it feel more "native".
This module should be orthogonal to gcc-config. It just switches
between gcc, clang or whatever compiler, and doesn't care what version
of gcc is in use. Currently gcc, clang and icc are supported in my
implementation.
Another two programs that might be of interest are /usr/bin/{c89,c99}.
Currently they are just scripts that invoke gcc with proper "-std=..."
option. I'm not sure if any build tools use them instead of cc. In
that case, they probably should be handled by `eselect compiler` as
well.
A side note: actually there's a small issue with GNU make and I'm
trying to fix it. Please refer to
https://bugs.gentoo.org/show_bug.cgi?id=589894 and
https://github.com/gentoo/gentoo/pull/1982
Lei
compiler.eselect
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