diff options
Diffstat (limited to 'Modules/CheckPrototypeDefinition.cmake')
| -rw-r--r-- | Modules/CheckPrototypeDefinition.cmake | 91 |
1 files changed, 52 insertions, 39 deletions
diff --git a/Modules/CheckPrototypeDefinition.cmake b/Modules/CheckPrototypeDefinition.cmake index 785959496..a7b020c06 100644 --- a/Modules/CheckPrototypeDefinition.cmake +++ b/Modules/CheckPrototypeDefinition.cmake @@ -1,56 +1,68 @@ # Distributed under the OSI-approved BSD 3-Clause License. See accompanying # file Copyright.txt or https://cmake.org/licensing for details. -#.rst: -# CheckPrototypeDefinition -# ------------------------ -# -# Check if the protoype we expect is correct. -# -# check_prototype_definition(FUNCTION PROTOTYPE RETURN HEADER VARIABLE) -# -# :: -# -# FUNCTION - The name of the function (used to check if prototype exists) -# PROTOTYPE- The prototype to check. -# RETURN - The return value of the function. -# HEADER - The header files required. -# VARIABLE - The variable to store the result. -# Will be created as an internal cache variable. -# -# Example: -# -# :: -# -# check_prototype_definition(getpwent_r -# "struct passwd *getpwent_r(struct passwd *src, char *buf, int buflen)" -# "NULL" -# "unistd.h;pwd.h" -# SOLARIS_GETPWENT_R) -# -# 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: +CheckPrototypeDefinition +------------------------ -# +Check if the prototype we expect is correct. + +.. command:: check_prototype_definition + + .. code-block:: cmake + check_prototype_definition(FUNCTION PROTOTYPE RETURN HEADER VARIABLE) + + :: + + FUNCTION - The name of the function (used to check if prototype exists) + PROTOTYPE- The prototype to check. + RETURN - The return value of the function. + HEADER - The header files required. + VARIABLE - The variable to store the result. + Will be created as an internal cache variable. + + Example: + + .. code-block:: cmake + + check_prototype_definition(getpwent_r + "struct passwd *getpwent_r(struct passwd *src, char *buf, int buflen)" + "NULL" + "unistd.h;pwd.h" + SOLARIS_GETPWENT_R) + +The following variables may be set before calling this function 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_LINK_OPTIONS = list of options to pass to link command + CMAKE_REQUIRED_LIBRARIES = list of libraries to link + CMAKE_REQUIRED_QUIET = execute quietly without messages +#]=======================================================================] + +# get_filename_component(__check_proto_def_dir "${CMAKE_CURRENT_LIST_FILE}" PATH) +include_guard(GLOBAL) -function(CHECK_PROTOTYPE_DEFINITION _FUNCTION _PROTOTYPE _RETURN _HEADER _VARIABLE) +function(check_prototype_definition _FUNCTION _PROTOTYPE _RETURN _HEADER _VARIABLE) if (NOT DEFINED ${_VARIABLE}) set(CHECK_PROTOTYPE_DEFINITION_CONTENT "/* */\n") set(CHECK_PROTOTYPE_DEFINITION_FLAGS ${CMAKE_REQUIRED_FLAGS}) + if (CMAKE_REQUIRED_LINK_OPTIONS) + set(CHECK_PROTOTYPE_DEFINITION_LINK_OPTIONS + LINK_OPTIONS ${CMAKE_REQUIRED_LINK_OPTIONS}) + else() + set(CHECK_PROTOTYPE_DEFINITION_LINK_OPTIONS) + endif() if (CMAKE_REQUIRED_LIBRARIES) set(CHECK_PROTOTYPE_DEFINITION_LIBS LINK_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES}) @@ -82,6 +94,7 @@ function(CHECK_PROTOTYPE_DEFINITION _FUNCTION _PROTOTYPE _RETURN _HEADER _VARIAB ${CMAKE_BINARY_DIR} ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckPrototypeDefinition.c COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} + ${CHECK_PROTOTYPE_DEFINITION_LINK_OPTIONS} ${CHECK_PROTOTYPE_DEFINITION_LIBS} CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${CHECK_PROTOTYPE_DEFINITION_FLAGS} "${CMAKE_SYMBOL_EXISTS_INCLUDES}" |