Re: make writes to /usr/local ?

[Axel Gallrein <axel1033 at mailszrz dot zrz dot tu-berlin dot de>]

Gerhard Heinzel wrote:
> 
> I downloaded gcc 2.95.1 and installed the pgcc patch
> (which probably has nothing to do with the following
> oroblem)
> 
> Following the instructions I created "objdir",
> went there and ran "srcdir/configure".
> 
> The "make" quickly fails with a permission denied error:
> 
> make[2]: Entering directory /home/ghh/pgcc/objdir/gcc'
> /home/ghh/pgcc/objdir/gcc/xgcc -B/home/ghh/pgcc/objdir/gcc/
> -B/usr/local/i686-pc-linux-gnu/bin/ -I/usr/local/i686-pc-linux-gnu/include
> -O2   -DIN_GCC     -g -O2 -I./include  -fPIC -g1  -DIN_LIBGCC2
> -D__GCC_FLOAT_NOT_NEEDED   -g -O2 -I. -I../../gcc-2.95.1/gcc
> -I../../gcc-2.95.1/gcc/config -I../../gcc-2.95.1/gcc/../include \
>   -c ../../gcc-2.95.1/gcc/cp/tinfo.cc
> ../../gcc-2.95.1/gcc/cp/tinfo.cc:0:
> /usr/local/lib/gcc-lib/i686-pc-linux-gnu/pgcc-2.95.1/../../../../include/g++-3/.:
> Permission denied
> make[2]: *** [tinfo.o] Error 1
> make[2]: Leaving directory /home/ghh/pgcc/objdir/gcc'
> make[1]: *** [libgcc2.a] Error 1
> make[1]: Leaving directory /home/ghh/pgcc/objdir/gcc'
> make: *** [all-gcc] Error 2
> 
> It seems that it tries to write smoething to "usr/local".
> This is strange, earlier versions have never done
> such a thing, and honestly I prefer to be able
> to build software "as myself" and require root
> privileges only for installing.
> 
> Best greetings
> 
> Gerhard

Most of the times, it's a good idea to make/install gcc as su.
If you really don't want to do it, use the '--prefix=mypath'
option running ./configure (on linux systems even as su you 
want to use '--prefix=/usr' most of the times, or you end up
with 2 gcc's.

Axel
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