[Cmake-commits] CMake branch, next, updated. v3.8.0-737-g66be3aa
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https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=66be3aab3250f77bf6ed4dc8800fffb8f781dcf6
commit 66be3aab3250f77bf6ed4dc8800fffb8f781dcf6
Merge: c8e214d 7f8b93a
Author: Brad King <brad.king at kitware.com>
AuthorDate: Wed Apr 12 13:36:44 2017 +0000
Commit: Kitware Robot <kwrobot at kitware.com>
CommitDate: Wed Apr 12 09:36:47 2017 -0400
Stage topic 'CheckSymbolExists-update-docs'
Topic-id: 23622
Topic-url: https://gitlab.kitware.com/cmake/cmake/merge_requests/695
https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=7f8b93ab0adb941bfc461c3a16476c5dda333f2f
commit 7f8b93ab0adb941bfc461c3a16476c5dda333f2f
Author: Brad King <brad.king at kitware.com>
AuthorDate: Wed Apr 12 09:33:03 2017 -0400
Commit: Brad King <brad.king at kitware.com>
CommitDate: Wed Apr 12 09:33:03 2017 -0400
CheckSymbolExists: Document that intrinsics may not be detected
Fixes: #16794
diff --git a/Modules/CheckSymbolExists.cmake b/Modules/CheckSymbolExists.cmake
index d92f4b2..6f1afcf 100644
--- a/Modules/CheckSymbolExists.cmake
+++ b/Modules/CheckSymbolExists.cmake
@@ -22,8 +22,8 @@ or macro in ``C``.
If the header files define the symbol as a macro it is considered
available and assumed to work. If the header files declare the symbol
as a function or variable then the symbol must also be available for
-linking.
-If the symbol is a type or enum value it will not be recognized
+linking (so intrinsics may not be detected).
+If the symbol is a type, enum value, or intrinsic it will not be recognized
(consider using :module:`CheckTypeSize` or :module:`CheckCSourceCompiles`).
If the check needs to be done in C++, consider using
:module:`CheckCXXSymbolExists` instead.
https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=91233d563b196fe0ee6c4d1dec0b20990723946b
commit 91233d563b196fe0ee6c4d1dec0b20990723946b
Author: Brad King <brad.king at kitware.com>
AuthorDate: Wed Apr 12 09:30:39 2017 -0400
Commit: Brad King <brad.king at kitware.com>
CommitDate: Wed Apr 12 09:31:37 2017 -0400
CheckSymbolExists: Format documentation
diff --git a/Modules/CheckSymbolExists.cmake b/Modules/CheckSymbolExists.cmake
index e9c4db3..d92f4b2 100644
--- a/Modules/CheckSymbolExists.cmake
+++ b/Modules/CheckSymbolExists.cmake
@@ -5,34 +5,42 @@
CheckSymbolExists
-----------------
-Check if a symbol exists as a function, variable, or macro
+Provides a macro to check if a symbol exists as a function, variable,
+or macro in ``C``.
-CHECK_SYMBOL_EXISTS(<symbol> <files> <variable>)
+.. command:: check_symbol_exists
-Check that the <symbol> is available after including given header
-<files> and store the result in a <variable>. Specify the list of
-files in one argument as a semicolon-separated list.
-<variable> will be created as an internal cache variable.
+ ::
+
+ check_symbol_exists(<symbol> <files> <variable>)
+
+ Check that the ``<symbol>`` is available after including given header
+ ``<files>`` and store the result in a ``<variable>``. Specify the list
+ of files in one argument as a semicolon-separated list.
+ ``<variable>`` will be created as an internal cache variable.
If the header files define the symbol as a macro it is considered
available and assumed to work. If the header files declare the symbol
as a function or variable then the symbol must also be available for
-linking. If the symbol is a type or enum value it will not be
-recognized (consider using CheckTypeSize or CheckCSourceCompiles). If
-the check needs to be done in C++, consider using
-CHECK_CXX_SYMBOL_EXISTS(), which does the same as
-CHECK_SYMBOL_EXISTS(), but in C++.
+linking.
+If the symbol is a type or enum value it will not be recognized
+(consider using :module:`CheckTypeSize` or :module:`CheckCSourceCompiles`).
+If the check needs to be done in C++, consider using
+:module:`CheckCXXSymbolExists` instead.
The following variables may be set before calling this macro to modify
the way the check is run:
-::
-
- CMAKE_REQUIRED_FLAGS = string of compile command line flags
- CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
- CMAKE_REQUIRED_INCLUDES = list of include directories
- CMAKE_REQUIRED_LIBRARIES = list of libraries to link
- CMAKE_REQUIRED_QUIET = execute quietly without messages
+``CMAKE_REQUIRED_FLAGS``
+ string of compile command line flags
+``CMAKE_REQUIRED_DEFINITIONS``
+ list of macros to define (-DFOO=bar)
+``CMAKE_REQUIRED_INCLUDES``
+ list of include directories
+``CMAKE_REQUIRED_LIBRARIES``
+ list of libraries to link
+``CMAKE_REQUIRED_QUIET``
+ execute quietly without messages
#]=======================================================================]
macro(CHECK_SYMBOL_EXISTS SYMBOL FILES VARIABLE)
https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=b416d3e696f5976ecc80f79e39715f35114e41fd
commit b416d3e696f5976ecc80f79e39715f35114e41fd
Author: Brad King <brad.king at kitware.com>
AuthorDate: Wed Apr 12 09:25:46 2017 -0400
Commit: Brad King <brad.king at kitware.com>
CommitDate: Wed Apr 12 09:25:46 2017 -0400
CheckSymbolExists: Convert docs to bracket comment syntax
diff --git a/Modules/CheckSymbolExists.cmake b/Modules/CheckSymbolExists.cmake
index 8fecc57..e9c4db3 100644
--- a/Modules/CheckSymbolExists.cmake
+++ b/Modules/CheckSymbolExists.cmake
@@ -1,38 +1,39 @@
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
-#.rst:
-# CheckSymbolExists
-# -----------------
-#
-# Check if a symbol exists as a function, variable, or macro
-#
-# CHECK_SYMBOL_EXISTS(<symbol> <files> <variable>)
-#
-# Check that the <symbol> is available after including given header
-# <files> and store the result in a <variable>. Specify the list of
-# files in one argument as a semicolon-separated list.
-# <variable> will be created as an internal cache variable.
-#
-# If the header files define the symbol as a macro it is considered
-# available and assumed to work. If the header files declare the symbol
-# as a function or variable then the symbol must also be available for
-# linking. If the symbol is a type or enum value it will not be
-# recognized (consider using CheckTypeSize or CheckCSourceCompiles). If
-# the check needs to be done in C++, consider using
-# CHECK_CXX_SYMBOL_EXISTS(), which does the same as
-# CHECK_SYMBOL_EXISTS(), but in C++.
-#
-# The following variables may be set before calling this macro to modify
-# the way the check is run:
-#
-# ::
-#
-# CMAKE_REQUIRED_FLAGS = string of compile command line flags
-# CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
-# CMAKE_REQUIRED_INCLUDES = list of include directories
-# CMAKE_REQUIRED_LIBRARIES = list of libraries to link
-# CMAKE_REQUIRED_QUIET = execute quietly without messages
+#[=======================================================================[.rst:
+CheckSymbolExists
+-----------------
+
+Check if a symbol exists as a function, variable, or macro
+
+CHECK_SYMBOL_EXISTS(<symbol> <files> <variable>)
+
+Check that the <symbol> is available after including given header
+<files> and store the result in a <variable>. Specify the list of
+files in one argument as a semicolon-separated list.
+<variable> will be created as an internal cache variable.
+
+If the header files define the symbol as a macro it is considered
+available and assumed to work. If the header files declare the symbol
+as a function or variable then the symbol must also be available for
+linking. If the symbol is a type or enum value it will not be
+recognized (consider using CheckTypeSize or CheckCSourceCompiles). If
+the check needs to be done in C++, consider using
+CHECK_CXX_SYMBOL_EXISTS(), which does the same as
+CHECK_SYMBOL_EXISTS(), but in C++.
+
+The following variables may be set before calling this macro to modify
+the way the check is run:
+
+::
+
+ CMAKE_REQUIRED_FLAGS = string of compile command line flags
+ CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
+ CMAKE_REQUIRED_INCLUDES = list of include directories
+ CMAKE_REQUIRED_LIBRARIES = list of libraries to link
+ CMAKE_REQUIRED_QUIET = execute quietly without messages
+#]=======================================================================]
macro(CHECK_SYMBOL_EXISTS SYMBOL FILES VARIABLE)
if(CMAKE_C_COMPILER_LOADED)
-----------------------------------------------------------------------
Summary of changes:
Modules/CheckSymbolExists.cmake | 73 ++++++++++++++++++++++-----------------
1 file changed, 41 insertions(+), 32 deletions(-)
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