06-09-2002
Help me! I just start to learn C in Unix
Hi! I just start to learn C in Unix. I have several questions.
1. What is the different between ¡®gcc¡¯ and ¡®cc¡¯?
2. Assume I type ¡®gcc -o print.out print.c¡¯ and get an error. So I need to retype that sentence. Do I have to repeat the whole thing? Or Is there a shortcut?
3. I completed to compile, but I don¡¯t know how to execute. I know my Hostname, but I don¡¯t know my web address yet.
4. Is there a command to tell me the size of my account?
Thank you.
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LEARN ABOUT DEBIAN
builder-cc
BUILDER-CC(1) Debian GNU/Linux BUILDER-CC(1)
NAME
builder-cc - gcc wrapper to facilitate pentium-optimizations
SYNOPSIS
export DEBIAN_BUILDARCH=architecture
export DEBIAN_BUILDGCCVER=gcc-version
gcc ...
DESCRIPTION
The builder-cc wrapper is normally used by calling gcc as usual. If the environment variable DEBIAN_BUILDARCH is not set, builder-cc does
nothing, and the real gcc is invoked with the specified arguments.
When the DEBIAN_BUILDARCH environment variable is set, builder-cc invokes gcc with the specified arguments, plus -mcpu=DEBIAN_BUILDARCH
-march=DEBIAN_BUILDARCH This has the effect of telling gcc to use architecture-specific optimizations without changing the command line.
This is particularly useful for package builds.
If DEBIAN_BUILDGCCVER is not set, builder-cc calls gcc.real. If DEBIAN_BUILDGCCVER is set, builder-cc calls gcc-DEBIAN_BUILDGCCVER
instead.
ENVIRONMENT
DEBIAN_BUILDARCH
If set, the architecture to compile for. Useful values are pentium or pentiumpro.
DEBIAN_BUILDGCCVER
If set, the version of gcc to be invoked. Useful values are 3.0 or 2.95.
NOTES
The real gcc is renamed gcc.real, and a diversion is registered with dpkg-divert(1). Thus builder-cc's idea of the default gcc is dictated
by whatever package installed /usr/bin/gcc.
SEE ALSO
gcc(1)
Debian Project 2002-03-02 BUILDER-CC(1)