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-rw-r--r--Help/manual/cmake-generator-expressions.7.rst24
1 files changed, 12 insertions, 12 deletions
diff --git a/Help/manual/cmake-generator-expressions.7.rst b/Help/manual/cmake-generator-expressions.7.rst
index 1136151..c0449fb 100644
--- a/Help/manual/cmake-generator-expressions.7.rst
+++ b/Help/manual/cmake-generator-expressions.7.rst
@@ -164,20 +164,20 @@ Variable Queries
.. _`Boolean COMPILE_LANGUAGE Generator Expression`:
-``$<COMPILE_LANG_AND_ID:language,compiler_id>``
+``$<COMPILE_LANG_AND_ID:language,compiler_ids>``
``1`` when the language used for compilation unit matches ``language`` and
- the CMake's compiler id of the language compiler matches ``compiler_id``,
- otherwise ``0``. This expression is a short form for the combination of
- ``$<COMPILE_LANGUAGE:language>`` and ``$<LANG_COMPILER_ID:compiler_id>``.
- This expression may be used to specify compile options,
- compile definitions, and include directories for source files of a
+ the CMake's compiler id of the language compiler matches any one of the
+ entries in ``compiler_ids``, otherwise ``0``. This expression is a short form
+ for the combination of ``$<COMPILE_LANGUAGE:language>`` and
+ ``$<LANG_COMPILER_ID:compiler_ids>``. This expression may be used to specify
+ compile options, compile definitions, and include directories for source files of a
particular language and compiler combination in a target. For example:
.. code-block:: cmake
add_executable(myapp main.cpp foo.c bar.cpp zot.cu)
target_compile_definitions(myapp
- PRIVATE $<$<COMPILE_LANG_AND_ID:CXX,Clang>:COMPILING_CXX_WITH_CLANG>
+ PRIVATE $<$<COMPILE_LANG_AND_ID:CXX,AppleClang,Clang>:COMPILING_CXX_WITH_CLANG>
$<$<COMPILE_LANG_AND_ID:CXX,Intel>:COMPILING_CXX_WITH_INTEL>
$<$<COMPILE_LANG_AND_ID:C,Clang>:COMPILING_C_WITH_CLANG>
)
@@ -200,10 +200,10 @@ Variable Queries
$<$<AND:$<COMPILE_LANGUAGE:C>,$<C_COMPILER_ID:Clang>>:COMPILING_C_WITH_CLANG>
)
-``$<COMPILE_LANGUAGE:language>``
- ``1`` when the language used for compilation unit matches ``language``,
- otherwise ``0``. This expression may be used to specify compile options,
- compile definitions, and include directories for source files of a
+``$<COMPILE_LANGUAGE:languages>``
+ ``1`` when the language used for compilation unit matches any of the entries
+ in ``languages``, otherwise ``0``. This expression may be used to specify
+ compile options, compile definitions, and include directories for source files of a
particular language in a target. For example:
.. code-block:: cmake
@@ -217,7 +217,7 @@ Variable Queries
$<$<COMPILE_LANGUAGE:CUDA>:COMPILING_CUDA>
)
target_include_directories(myapp
- PRIVATE $<$<COMPILE_LANGUAGE:CXX>:/opt/foo/cxx_headers>
+ PRIVATE $<$<COMPILE_LANGUAGE:CXX,CUDA>:/opt/foo/headers>
)
This specifies the use of the ``-fno-exceptions`` compile option,