[Bug 193974] Configuring make.conf with CC, CXX, and CPP overrides doesn't respect WITH_CCACHE_BUILD

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=193974

Bryan Drewery <bdrewery at FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |bdrewery at FreeBSD.org

--- Comment #1 from Bryan Drewery <bdrewery at FreeBSD.org> ---
The WITH_CCACHE_BUILD prepends PATH to /usr/local/libexec/ccache/ to use
ccache. This allows using the symlinks in there to use the desired compiler. We
don't modify CC, such as CC="/usr/local/bin/ccache /usr/local/bin/clang35",
because many ports refuse to work with the embedded space.

You can make this work by enabling the CLANGLINK option in devel/ccache and
using:
CC= clang35
CXX=clang++35
CPP=clang-cpp35
CCACHE_PATH= /usr/local/bin
.export CCACHE_PATH # Export only works with FreeBSD 10+

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