CheckSymbolExists
: Check if the symbol exists in include filesCHECK_SYMBOL_EXISTS(SYMBOL FILES VARIABLE)
SYMBOL - symbol
FILES - include files to check
VARIABLE - variable to return result
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