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| author | Brad King <brad.king@kitware.com> | 2013-11-19 17:41:57 (GMT) |
|---|---|---|
| committer | CMake Topic Stage <kwrobot@kitware.com> | 2013-11-19 17:41:57 (GMT) |
| commit | 46ec48c93d2d84cf79c8704c370e24d47a7536a5 (patch) | |
| tree | 83dae82226242d9f31dfc8f77edf791d34cc65b4 /Help/command | |
| parent | 1da77bf1ee4f3ba315ebb00da2eaeac474614cad (diff) | |
| parent | 7cd65c97fabd9f3249739a81dd1260a1e0b59ee1 (diff) | |
| download | CMake-46ec48c93d2d84cf79c8704c370e24d47a7536a5.zip CMake-46ec48c93d2d84cf79c8704c370e24d47a7536a5.tar.gz CMake-46ec48c93d2d84cf79c8704c370e24d47a7536a5.tar.bz2 | |
Merge topic 'cross-compiling-toolchain-variables'
7cd65c9 Add CMAKE_SYSROOT variable to set --sysroot when cross compiling.
5096967 Allow toolchain files to specify an external toolchain.
76552d5 Add compiler target compile options.
f41ecd1 CMakeDetermineCompilerId: Look for internal file only on host
Diffstat (limited to 'Help/command')
| -rw-r--r-- | Help/command/FIND_XXX_ROOT.txt | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/Help/command/FIND_XXX_ROOT.txt b/Help/command/FIND_XXX_ROOT.txt index 407375a..7f80dcb 100644 --- a/Help/command/FIND_XXX_ROOT.txt +++ b/Help/command/FIND_XXX_ROOT.txt @@ -1,10 +1,17 @@ The CMake variable CMAKE_FIND_ROOT_PATH specifies one or more directories to be prepended to all other search directories. This effectively "re-roots" the entire search under given locations. By -default it is empty. It is especially useful when cross-compiling to +default it is empty. + +The :variable:`CMAKE_SYSROOT` variable can also be used to specify exactly one +directory to use as a prefix. Setting :variable:`CMAKE_SYSROOT` also has other +effects. See the documentation for that variable for more. + +These variables are especially useful when cross-compiling to point to the root directory of the target environment and CMake will search there too. By default at first the directories listed in -CMAKE_FIND_ROOT_PATH and then the non-rooted directories will be +CMAKE_FIND_ROOT_PATH are searched, then the :variable:`CMAKE_SYSROOT` directory is +searched, and then the non-rooted directories will be searched. The default behavior can be adjusted by setting |CMAKE_FIND_ROOT_PATH_MODE_XXX|. This behavior can be manually overridden on a per-call basis. By using CMAKE_FIND_ROOT_PATH_BOTH |