How to install boost on Linux with custom location of gcc?

My gcc compiler is at a custom location /my/path/hpgcc

I've downloaded the boost sources. Executed bootstrap.sh, but it fails because it runs with the default gcc.

Looking into it, I see that it fails at the first thing it does: building the Boost.Build engine:

gcc -o bootstrap/jam0 comma开发者_运维知识库nd.c compile.c debug.c expand.c glob.c hash.c hdrmacro.c headers.c jam.c jambase.c jamgram.c lists.c make.c make1.c newstr.c option.c output.c parse.c pathunix.c pathvms.c regexp.c rules.c scan.c search.c subst.c timestamp.c variable.c modules.c strings.c filesys.c builtins.c pwd.c class.c native.c md5.c w32_getreg.c modules/set.c modules/path.c modules/regex.c modules/property-set.c modules/sequence.c modules/order.c execunix.c fileunix.c

(fails because executed with the default gcc, and not my gcc version).

I've tried to change the gcc path in the user-config.jam file, but it doesn't help. Probably because the Boost.Build's build script boost_1_47_0/tools/build/v2/engine/build.sh doesn't use user-config.jam, and just uses the default locations.

Any solution?

Add the line:

using gcc : : /my/path/hpgcc ;

to user-config.jam. user-config.jam will usually be in /path/to/boost/tools/build/v2/, but you can put a custom user-config.jam or site-config.jam in any of the places listed here.

/my/path/hpgcc should be the full path to the g++ executable.

EDIT (Igor Oks) : What eventually solved the problem is that I edited boost_1_47_0/tools/build/v2/engine/build.sh to make it use my custom gcc.

We do this in our build environment by simply defining the PATH and LD_LIBRARY_PATH environment variables to pickup our desired GCC first.