FindM4

New in version 3.23.00.

The module defines the following variables:

M4_EXECUTABLE

Path to M4 command-line client.

M4_FOUND, M4_FOUND

True if the M4 command-line client was found.

M4_IS_GNU

True if the m4 found is GNU m4.

M4_POSIX_OPT

If applicable, this is set to the option used to require POSIX behavior. if M4_IS_GNU is true, this should be -G.

M4_VERSION_STRING

The version of M4 found.

The module defines the following IMPORTED targets (when CMAKE_ROLE is PROJECT):

M4::M4

Executable of the M4 command-line client.

Example usage:

find_package(M4)
if(M4_FOUND)
  message("M4 found: ${M4_EXECUTABLE}")
endif()