54Chapter3 • Compilers and Assemblers
| |-- SDL
| |-- X11 -> root/usr/X11R6/include/X11
| |-- linux
| |-- mozilla
| |-- ncurses
| |-- objc
| |-- openssl
| |-- pcap
| | `-- net
| |-- pgsql
| | `-- utils
| |-- root
| | `-- usr
| | `-- X11R6
| | `-- include
| | `-- X11
| |-- schily
| | `-- scg
| |-- slang
| |-- ucd-snmp
| |-- w3c-libwww
| |-- wnn
| `-- wnn6
|-- man
| |-- man1
| `-- man7
`-- share
95 directories
[root@conformix gcc-3.0.4]#
3.2.3Environment Variables
The GCC compiler relies on many environment variables for its operation. These vari-
ables are used for different purposes including location of library and header files, location of
helping programs and so on. Some important variables and their respective use are introduced
in this section.
N O T E Detailed instructions for compiling and installing GCC
are available at http://gcc.gnu.org/onlinedocs/gcc-3.0.4/gcc_4.html
as well as at http://gcc.gnu.org/install/.
TMPDIR
This variable shows location of temporary file location. GCC uses
this location to store temporary files during the compiling and
linking processes.