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| author | Daniel Egger <degger@fhm.edu> | 2003-06-20 11:18:03 +0000 |
|---|---|---|
| committer | Gerald Pfeifer <gerald@gcc.gnu.org> | 2003-06-20 11:18:03 +0000 |
| commit | 27a3e49454786b3eb1728793c30cb3d1c9b2e77e (patch) | |
| tree | 0605e280805364e1c30e8a49cf78ee6268a57dd2 | |
| parent | a742c759f95458c9a036f47c7fa0c6d30debb13e (diff) | |
| download | gcc-27a3e49454786b3eb1728793c30cb3d1c9b2e77e.zip gcc-27a3e49454786b3eb1728793c30cb3d1c9b2e77e.tar.gz gcc-27a3e49454786b3eb1728793c30cb3d1c9b2e77e.tar.bz2 | |
install.texi (Building): Correct and improve statement about parallel builds.
* doc/install.texi (Building): Correct and improve statement
about parallel builds.
Co-Authored-By: Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
From-SVN: r68257
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/doc/install.texi | 13 |
2 files changed, 13 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b05aa99..6f2b0e6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2003-06-20 Daniel Egger <degger@fhm.edu> + Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Building): Correct and improve statement + about parallel builds. + 2003-06-20 Andreas Jaeger <aj@suse.de> * c-common.c: Change _Bool to bool reverting part of the last diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi index f870161..83ebbb1 100644 --- a/gcc/doc/install.texi +++ b/gcc/doc/install.texi @@ -1318,12 +1318,13 @@ Note that if an error occurs in any step the make process will exit. @section Building in parallel -If you have a multiprocessor system you can use @samp{make bootstrap -MAKE="make -j 2" -j 2} or just @samp{make -j 2 bootstrap} -for GNU Make 3.79 and above instead of just @samp{make bootstrap} -when building GCC@. You can use a bigger number instead of two if -you like. In most cases, it won't help to use a number bigger than -the number of processors in your machine. +You can use @samp{make bootstrap MAKE="make -j 2" -j 2}, or just +@samp{make -j 2 bootstrap} for GNU Make 3.79 and above, instead of +@samp{make bootstrap} to build GCC in parallel. +You can also specify a bigger number, and in most cases using a value +greater than the number of processors in your machine will result in +fewer and shorter I/O latency hits, thus improving overall throughput; +this is especially true for slow drives and network filesystems. @section Building the Ada compiler |