Compile FreeBSD kernel with gcc48

Garrett Cooper yanegomi at
Sun Nov 11 10:26:06 UTC 2012

On Sun, Nov 11, 2012 at 1:59 AM, Alie Tan <alie at> wrote:

> Hi,
> Anyone have experience compiling FreeBSD kernel with gcc48
> I have tried it but no success with this in src.conf
> C= /usr/local/bin/gcc48
> CXX= /usr/local/bin/g++48
> CWARNFLAGS= -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes
> \-Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual
> \-Wno-pointer-sign -D__FreeBSD_cc_version=0 \-Wno-unused-function
> -Wno-inline -Wno-format \-Wno-uninitialized -Wno-array-bounds
> -Wno-missing-prototypes
> Another question, is there any benchmark for LLVM/Clang vs gcc45, gcc46,
> gcc47 or gcc48?

Uh, probably won't work because of FreeBSD modifications to gcc not being
present in upstream IIRC...

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