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Diffstat (limited to 'gcc/doc/sourcebuild.texi')
| -rw-r--r-- | gcc/doc/sourcebuild.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi index af154d8..66e1b37 100644 --- a/gcc/doc/sourcebuild.texi +++ b/gcc/doc/sourcebuild.texi @@ -673,6 +673,11 @@ other than C that this front end requires to be enabled (with the names given being their @code{language} settings). For example, the Java front end depends on the C++ front end, so sets @samp{lang_requires=c++}. +@item subdir_requires +If defined, this variable lists (space-separated) front end directories +other than C that this front end requires to be present. For example, +the Objective-C++ front end uses source files from the C++ and +Objective-C front ends, so sets @samp{subdir_requires="cp objc"}. @item target_libs If defined, this variable lists (space-separated) targets in the top level @file{Makefile} to build the runtime libraries for this |