cmake/tuklib_progname.cmake

   1 # SPDX-License-Identifier: 0BSD
   2
   3 #############################################################################
   4 #
   5 # tuklib_progname.cmake - see tuklib_progname.m4 for description and comments
   6 #
   7 # Author: Lasse Collin
   8 #
   9 #############################################################################
  10
  11 include("${CMAKE_CURRENT_LIST_DIR}/tuklib_common.cmake")
  12 include(CheckSymbolExists)
  13
  14 function(tuklib_progname TARGET_OR_ALL)
  15     # NOTE: This glibc extension requires _GNU_SOURCE.
  16     check_symbol_exists(program_invocation_name errno.h
  17                         HAVE_PROGRAM_INVOCATION_NAME)
  18     tuklib_add_definition_if("${TARGET_OR_ALL}" HAVE_PROGRAM_INVOCATION_NAME)
  19 endfunction()