CheckIncludeFile¶
Provides a macro to check if a header file can be included in C
.
-
CHECK_INCLUDE_FILE
¶ CHECK_INCLUDE_FILE(<include> <variable> [<flags>])
Check if the given
<include>
file may be included in aC
source file and store the result in an internal cache entry named<variable>
. The optional third argument may be used to add compilation flags to the check (or useCMAKE_REQUIRED_FLAGS
below).
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
A list of libraries to link. See policy
CMP0075
.CMAKE_REQUIRED_QUIET
execute quietly without messages
See the CheckIncludeFiles
module to check for multiple headers
at once. See the CheckIncludeFileCXX
module to check for headers
using the CXX
language.