diff options
Diffstat (limited to 'Modules/CheckPrototypeDefinition.cmake')
| -rw-r--r-- | Modules/CheckPrototypeDefinition.cmake | 79 |
1 files changed, 45 insertions, 34 deletions
diff --git a/Modules/CheckPrototypeDefinition.cmake b/Modules/CheckPrototypeDefinition.cmake index 2342b3c4f..785959496 100644 --- a/Modules/CheckPrototypeDefinition.cmake +++ b/Modules/CheckPrototypeDefinition.cmake @@ -1,37 +1,44 @@ -# - Check if the protoype we expect is correct. +# 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. +# +# :: +# +# 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 - -#============================================================================= -# Copyright 2005-2009 Kitware, Inc. -# Copyright 2010-2011 Andreas Schneider <asn@cryptomilk.org> +# :: +# +# check_prototype_definition(getpwent_r +# "struct passwd *getpwent_r(struct passwd *src, char *buf, int buflen)" +# "NULL" +# "unistd.h;pwd.h" +# SOLARIS_GETPWENT_R) # -# Distributed under the OSI-approved BSD License (the "License"); -# see accompanying file Copyright.txt for details. +# The following variables may be set before calling this macro to modify +# the way the check is run: # -# This software is distributed WITHOUT ANY WARRANTY; without even the -# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. -# See the License for more information. -#============================================================================= -# (To distribute this file outside of CMake, substitute the full -# License text for the above reference.) +# :: +# +# 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 + # @@ -40,7 +47,7 @@ get_filename_component(__check_proto_def_dir "${CMAKE_CURRENT_LIST_FILE}" PATH) function(CHECK_PROTOTYPE_DEFINITION _FUNCTION _PROTOTYPE _RETURN _HEADER _VARIABLE) - if ("${_VARIABLE}" MATCHES "^${_VARIABLE}$") + if (NOT DEFINED ${_VARIABLE}) set(CHECK_PROTOTYPE_DEFINITION_CONTENT "/* */\n") set(CHECK_PROTOTYPE_DEFINITION_FLAGS ${CMAKE_REQUIRED_FLAGS}) @@ -58,8 +65,8 @@ function(CHECK_PROTOTYPE_DEFINITION _FUNCTION _PROTOTYPE _RETURN _HEADER _VARIAB endif() foreach(_FILE ${_HEADER}) - set(CHECK_PROTOTYPE_DEFINITION_HEADER - "${CHECK_PROTOTYPE_DEFINITION_HEADER}#include <${_FILE}>\n") + string(APPEND CHECK_PROTOTYPE_DEFINITION_HEADER + "#include <${_FILE}>\n") endforeach() set(CHECK_PROTOTYPE_DEFINITION_SYMBOL ${_FUNCTION}) @@ -82,12 +89,16 @@ function(CHECK_PROTOTYPE_DEFINITION _FUNCTION _PROTOTYPE _RETURN _HEADER _VARIAB if (${_VARIABLE}) set(${_VARIABLE} 1 CACHE INTERNAL "Have correct prototype for ${_FUNCTION}") - message(STATUS "Checking prototype ${_FUNCTION} for ${_VARIABLE} - True") + if(NOT CMAKE_REQUIRED_QUIET) + message(STATUS "Checking prototype ${_FUNCTION} for ${_VARIABLE} - True") + endif() file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log "Determining if the prototype ${_FUNCTION} exists for ${_VARIABLE} passed with the following output:\n" "${OUTPUT}\n\n") else () - message(STATUS "Checking prototype ${_FUNCTION} for ${_VARIABLE} - False") + if(NOT CMAKE_REQUIRED_QUIET) + message(STATUS "Checking prototype ${_FUNCTION} for ${_VARIABLE} - False") + endif() set(${_VARIABLE} 0 CACHE INTERNAL "Have correct prototype for ${_FUNCTION}") file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log "Determining if the prototype ${_FUNCTION} exists for ${_VARIABLE} failed with the following output:\n" |