[Teem-commit] SF.net SVN: teem:[7426] teem/trunk/CMake/DumpTarget .cmake

[<kin...@us...>]

Revision: 7426
          http://sourceforge.net/p/teem/code/7426
Author:   kindlmann
Date:     2025-09-13 08:48:52 +0000 (Sat, 13 Sep 2025)
Log Message:
-----------
for debugging

Added Paths:
-----------
    teem/trunk/CMake/DumpTarget.cmake

Added: teem/trunk/CMake/DumpTarget.cmake
===================================================================
--- teem/trunk/CMake/DumpTarget.cmake	                        (rev 0)
+++ teem/trunk/CMake/DumpTarget.cmake	2025-09-13 08:48:52 UTC (rev 7426)
@@ -0,0 +1,94 @@
+## DumpTarget.cmake: utilities for printing target properties
+# Copyright (C) 2025  University of Chicago
+# See ../LICENSE.txt for licensing terms
+
+# This is the result of GLK nudging ChatGPT to explain what exactly is the state built up
+# inside CMake as a result of procesing a CMakeLists.txt; among all the new Teem v2 CMake
+# files this one is most experimental and for learning-by-doing.  The intent, at least,
+# is to make something useful for debugging.
+
+# print_prop(pfx prop val) describes how property `prop` has value `val`,
+# (including handling NOTFOUND), prefixing each line with `pfx`
+function(print_prop pfx prop val)
+  # Check for NOTFOUND marker (CMake sometimes returns "<something>-NOTFOUND")
+  # (a value that CMake's if() considers false!)
+  if(val MATCHES "NOTFOUND$")
+    message("${pfx}(${prop} not set)")
+  elseif(val STREQUAL "")
+    message("${pfx}${prop} = \"\"")
+  #elseif(val)     # not falsey
+  #  message("${pfx}${prop} = ${val}")
+  else()
+    set(_genx "")
+    if(val MATCHES "\\$<.*>")
+      set(_genx " ⬅︎  generator expression")
+    endif()
+    message("${pfx}${prop} = ${val}${_genx}")
+  endif()
+endfunction()
+
+# dump_target(tgt) prints a bunch of stuff about the target tgt
+function(dump_target tgt)
+  if(NOT TARGET "${tgt}")
+    message(WARNING "Target ${tgt} does not exist")
+    return()
+  endif()
+
+  message("")
+  message("=====[ Target NAME ${tgt} ]=====")
+
+  # --- Basic info ---
+  set(_Basic_props
+      TYPE
+      IMPORTED
+      #CXX_STANDARD
+      #C_STANDARD
+      POSITION_INDEPENDENT_CODE
+      COMPILE_OPTIONS # set via target_compile_options
+      LINK_FLAGS   # set via target_link_options
+      #RUNTIME_OUTPUT_DIRECTORY
+      #LIBRARY_OUTPUT_DIRECTORY
+      #ARCHIVE_OUTPUT_DIRECTORY
+      # EXPORT_SET  # not set until later, so not informative during configure time
+  )
+  foreach(_prop IN LISTS _Basic_props)
+    get_target_property(_val "${tgt}" "${_prop}")
+    print_prop("  " "${_prop}" "${_val}")
+  endforeach()
+
+  # lists of property lists
+  set(_Compile_props
+      INCLUDE_DIRECTORIES
+      INTERFACE_INCLUDE_DIRECTORIES
+      COMPILE_DEFINITIONS
+      INTERFACE_COMPILE_DEFINITIONS
+      SOURCES
+  )
+  set(_Link_props
+      LINK_LIBRARIES
+      INTERFACE_LINK_LIBRARIES
+      OUTPUT_NAME
+  )
+  set(_Install_props
+      INSTALL_RPATH
+  )
+
+  foreach(_Group IN ITEMS Compile Link Install)
+    message("  • ${_Group} properties")
+    foreach(_prop IN LISTS _${_Group}_props)
+      get_target_property(_val "${tgt}" "${_prop}")
+      if("${_prop}" STREQUAL "SOURCES")
+        # special handling of SOURCES Compile property: normalize source paths
+        set(_full_srcs "")
+        foreach(s IN LISTS _val)
+          get_filename_component(_abs "${s}" ABSOLUTE "${CMAKE_CURRENT_SOURCE_DIR}")
+          list(APPEND _full_srcs "${_abs}")
+        endforeach()
+        string(JOIN ";" _val "${_full_srcs}")
+      endif()
+      print_prop("      " "${_prop}" "${_val}")
+    endforeach()
+  endforeach()
+
+  message("")
+endfunction()

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