CheckPrototypeDefinition¶
Check if the prototype we expect is correct.
- check_prototype_definition¶
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. 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 function 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_LINK_OPTIONS
New in version 3.14: list of options to pass to link command.
CMAKE_REQUIRED_LIBRARIES
list of libraries to link.
CMAKE_REQUIRED_QUIET
New in version 3.1: execute quietly without messages.