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Diffstat (limited to 'gcc/doc/invoke.texi')
| -rw-r--r-- | gcc/doc/invoke.texi | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 52f9b39e6ad..cdd8d980514 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -7619,6 +7619,13 @@ parallel using @var{n} parallel jobs by utilizing an installed @command{make} program. The environment variable @env{MAKE} may be used to override the program used. +You can also specify @option{-fwhopr=jobserver} to use GNU make's +job server mode to determine the number of parallel jobs. This +is useful when the Makefile calling GCC is already parallel. +The parent Makefile will need a @samp{+} prepended to the command recipe +for this to work. This will likely only work if @env{MAKE} is +GNU make. + Disabled by default. @item -fwpa |