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-rw-r--r--Modules/CheckCSourceRuns.cmake63
1 files changed, 35 insertions, 28 deletions
diff --git a/Modules/CheckCSourceRuns.cmake b/Modules/CheckCSourceRuns.cmake
index e3a091fb3..70aa9fd2d 100644
--- a/Modules/CheckCSourceRuns.cmake
+++ b/Modules/CheckCSourceRuns.cmake
@@ -1,33 +1,34 @@
-# - Check if the given C source code compiles and runs.
+# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+#.rst:
+# CheckCSourceRuns
+# ----------------
+#
+# Check if the given C source code compiles and runs.
+#
# CHECK_C_SOURCE_RUNS(<code> <var>)
-# <code> - source code to try to compile
-# <var> - variable to store the result
-# (1 for success, empty for failure)
-# 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 2006-2009 Kitware, Inc.
+# ::
#
-# Distributed under the OSI-approved BSD License (the "License");
-# see accompanying file Copyright.txt for details.
+# <code> - source code to try to compile
+# <var> - variable to store the result
+# (1 for success, empty for failure)
+# Will be created as an internal cache variable.
#
-# 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.)
-
-
+# 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_C_SOURCE_RUNS SOURCE VAR)
- if("${VAR}" MATCHES "^${VAR}$")
+ if(NOT DEFINED "${VAR}")
set(MACRO_CHECK_FUNCTION_DEFINITIONS
"-D${VAR} ${CMAKE_REQUIRED_FLAGS}")
if(CMAKE_REQUIRED_LIBRARIES)
@@ -45,7 +46,9 @@ macro(CHECK_C_SOURCE_RUNS SOURCE VAR)
file(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c"
"${SOURCE}\n")
- message(STATUS "Performing Test ${VAR}")
+ if(NOT CMAKE_REQUIRED_QUIET)
+ message(STATUS "Performing Test ${VAR}")
+ endif()
try_run(${VAR}_EXITCODE ${VAR}_COMPILED
${CMAKE_BINARY_DIR}
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c
@@ -62,9 +65,11 @@ macro(CHECK_C_SOURCE_RUNS SOURCE VAR)
# if the return value was 0 then it worked
if("${${VAR}_EXITCODE}" EQUAL 0)
set(${VAR} 1 CACHE INTERNAL "Test ${VAR}")
- message(STATUS "Performing Test ${VAR} - Success")
+ if(NOT CMAKE_REQUIRED_QUIET)
+ message(STATUS "Performing Test ${VAR} - Success")
+ endif()
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
- "Performing C SOURCE FILE Test ${VAR} succeded with the following output:\n"
+ "Performing C SOURCE FILE Test ${VAR} succeeded with the following output:\n"
"${OUTPUT}\n"
"Return value: ${${VAR}}\n"
"Source file was:\n${SOURCE}\n")
@@ -75,7 +80,9 @@ macro(CHECK_C_SOURCE_RUNS SOURCE VAR)
set(${VAR} "" CACHE INTERNAL "Test ${VAR}")
endif()
- message(STATUS "Performing Test ${VAR} - Failed")
+ if(NOT CMAKE_REQUIRED_QUIET)
+ message(STATUS "Performing Test ${VAR} - Failed")
+ endif()
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Performing C SOURCE FILE Test ${VAR} failed with the following output:\n"
"${OUTPUT}\n"