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Diffstat (limited to 'CMake/fl_debug_var.cmake')
| -rw-r--r-- | CMake/fl_debug_var.cmake | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/CMake/fl_debug_var.cmake b/CMake/fl_debug_var.cmake new file mode 100644 index 000000000..4cecf3c7a --- /dev/null +++ b/CMake/fl_debug_var.cmake @@ -0,0 +1,47 @@ +# +# Macro used by the CMake build system for the Fast Light Tool Kit (FLTK). +# Written by Michael Surette +# +# Copyright 1998-2020 by Bill Spitzak and others. +# +# This library is free software. Distribution and use rights are outlined in +# the file "COPYING" which should have been included with this file. If this +# file is missing or damaged, see the license at: +# +# https://www.fltk.org/COPYING.php +# +# Please see the following page on how to report bugs and issues: +# +# https://www.fltk.org/bugs.php +# + +####################################################################### +# fl_debug_var - a macro to output debugging info +####################################################################### +# +# This macro displays the name and value of a CMake variable. +# The variable name is expanded with spaces to be (at least) +# <min_len> (currently 24) characters wide for better readability. +# VARNAME must be a string literal, e.g. WIN32 or "WIN32". +# +# Syntax: +# fl_debug_var(VARNAME) +# +# Example: +# fl_debug_var(WIN32) +# fl_debug_var("UNIX") +# +####################################################################### + +macro (fl_debug_var name) + set (min_len 24) + set (var "${name}") + string(LENGTH "${var}" len) + while (len LESS min_len) + # add one space until min_len is reached + # ** string(APPEND var " ") # requires CMake 3.4.x (otherwise loop...) + set (var "${var} ") + string(LENGTH "${var}" len) + endwhile (len LESS min_len) + message (STATUS "${var} = '${${name}}'") +endmacro (fl_debug_var) |