09-13-2010
Quote:
Originally Posted by
zing_foru
My question was simple, let me make it more simpler, GCC has got compilation for target options
i.e. mcpu, march, etc How can we use that to compile a C code for ARM, MSP or ARC processors?
Can anyone give me sample steps for compiling?
We're not trying to withhold information from you. This isn't "easy".
Usually to build something you'd
- Download it
- Extract it
- ./configure --help
- ./configure
- make
- Attempt to install without overwriting any files from your good compiler(no sense having 2 broken compilers instead of 1 working one)
The ./configure step involves decisions on not just what architecture to use but where to keep headers, where to keep libraries, and how to use them. Usually these choices'd be made by the people managing your distribution. You may also need patches, again, usually provided by the people managing your distribution.
Last edited by Corona688; 09-13-2010 at 12:49 PM..
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LEARN ABOUT DEBIAN
hardened-cc
HARDENED-CC(1) Debian GNU/Linux HARDENED-CC(1)
NAME
hardened-cc - gcc wrapper to enforce hardening toolchain improvements
SYNOPSIS
export DEB_BUILD_HARDENING=1
gcc ...
DESCRIPTION
The hardened-cc wrapper is normally used by calling gcc as usual when DEB_BUILD_HARDENING is set to 1. It will configure the necessary
toolchain hardening features. By default, all features are enabled. If a given feature does not work correctly and needs to be disabled,
the corresponding environment variables mentioned below can be set to 0.
ENVIRONMENT
DEB_BUILD_HARDENING=1
Enable hardening features.
DEB_BUILD_HARDENING_DEBUG=1
Print the full resulting gcc command line to STDERR before calling gcc.
DEB_BUILD_HARDENING_STACKPROTECTOR=0
Disable stack overflow protection. See README.Debian for details.
DEB_BUILD_HARDENING_RELRO=0
Disable read-only linker sections. See README.Debian for details.
DEB_BUILD_HARDENING_FORTIFY=0
Don't fortify several standard functions. See README.Debian for details.
DEB_BUILD_HARDENING_PIE=0
Don't build position independent executables. See README.Debian for details.
DEB_BUILD_HARDENING_FORMAT=0
Disable unsafe format string usage errors. See README.Debian for details.
NOTES
System-wide settings can be added to /etc/hardening-wrapper.conf, one per line.
The real gcc symlinks are renamed gcc.real, and a diversion is registered with dpkg-divert(1). Thus hardened-cc's idea of the default gcc
is dictated by whatever package installed /usr/bin/gcc.
SEE ALSO
hardened-ld(1) gcc(1)
Debian Project 2008-01-08 HARDENED-CC(1)