CheckIncludeFileCXX¶
Provides a macro to check if a header file can be included in CXX.
- CHECK_INCLUDE_FILE_CXX¶
CHECK_INCLUDE_FILE_CXX(<include> <variable> [<flags>])
Check if the given
<include>file may be included in aCXXsource 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_FLAGSbelow).
The following variables may be set before calling this macro to modify the way the check is run:
CMAKE_REQUIRED_FLAGSstring of compile command line flags.
CMAKE_REQUIRED_DEFINITIONSa ;-list of macros to define (-DFOO=bar).
CMAKE_REQUIRED_INCLUDESa ;-list of header search paths to pass to the compiler.
CMAKE_REQUIRED_LINK_OPTIONSNew in version 3.14: a ;-list of options to add to the link command.
CMAKE_REQUIRED_LIBRARIESa ;-list of libraries to add to the link command. See policy
CMP0075.CMAKE_REQUIRED_QUIETNew in version 3.1: execute quietly without messages.
See modules CheckIncludeFile and CheckIncludeFiles
to check for one or more C headers.