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| author | Ralf Wildenhues <Ralf.Wildenhues@gmx.de> | 2010-10-02 14:52:07 +0000 |
|---|---|---|
| committer | Ralf Wildenhues <rwild@gcc.gnu.org> | 2010-10-02 14:52:07 +0000 |
| commit | ffedf5114c8bdd5b024fb87e23b935e7d90c6ff3 (patch) | |
| tree | 2bc93cf6744bf10457800aad14d751389a4dc261 /gcc/doc | |
| parent | 8b932a71067075d3e0fcf99fc5bce499df08d96f (diff) | |
| download | gcc-ffedf5114c8bdd5b024fb87e23b935e7d90c6ff3.zip gcc-ffedf5114c8bdd5b024fb87e23b935e7d90c6ff3.tar.gz gcc-ffedf5114c8bdd5b024fb87e23b935e7d90c6ff3.tar.bz2 | |
Allow to pass separate configure arguments for build, host and target.
/:
PR bootstrap/45326
PR bootstrap/45174
* configure.ac: Honor initial values of $build_configargs,
$host_configargs, $target_configargs. Mark the precious, so
environment settings get recorded.
* configure: Regenerate.
gcc/:
* doc/install.texi (Configuration): Document build_configargs,
host_configargs, target_configargs.
From-SVN: r164904
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/install.texi | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi index a54b450..ce6b5cf 100644 --- a/gcc/doc/install.texi +++ b/gcc/doc/install.texi @@ -1991,6 +1991,36 @@ Do not try to compile and run a test libart program. @end table +@subsubheading Overriding @command{configure} test results + +Sometimes, it might be necessary to override the result of some +@command{configure} test, for example in order to ease porting to a new +system or work around a bug in a test. The toplevel @command{configure} +script provides three variables for this: + +@table @code + +@item build_configargs +@cindex @code{build_configargs} +The contents of this variable is passed to all build @command{configure} +scripts. + +@item host_configargs +@cindex @code{host_configargs} +The contents of this variable is passed to all host @command{configure} +scripts. + +@item target_configargs +@cindex @code{target_configargs} +The contents of this variable is passed to all target @command{configure} +scripts. + +@end table + +In order to avoid shell and @command{make} quoting issues for complex +overrides, you can pass a setting for @env{CONFIG_SITE} and set +variables in the site file. + @html <hr /> <p> |