From 41f794f6278392082a81d0e67d64e4257ed06782 Mon Sep 17 00:00:00 2001
From: "Roscoe A. Bartlett" <rabartl@sandia.gov>
Date: Tue, 18 Jul 2023 17:11:30 -0600
Subject: [PATCH] WIP: Make TriBITS package with raw CMake work (#582)

NOTE: This does not pass all of the existing tests yet but the new tests pass.
---
 .../package_arch/TribitsGlobalMacros.cmake    |  9 +++++---
 .../packages/package1/CMakeLists.txt          | 22 ++++++++++++++-----
 .../package1/src/CMakeLists.raw.cmake         |  3 +--
 3 files changed, 24 insertions(+), 10 deletions(-)

diff --git a/tribits/core/package_arch/TribitsGlobalMacros.cmake b/tribits/core/package_arch/TribitsGlobalMacros.cmake
index 28c0fa807..2a6565d96 100644
--- a/tribits/core/package_arch/TribitsGlobalMacros.cmake
+++ b/tribits/core/package_arch/TribitsGlobalMacros.cmake
@@ -2072,17 +2072,20 @@ macro(tribits_configure_enabled_packages)
         tribits_trace_file_processing(PACKAGE  ADD_SUBDIR
           "${TRIBITS_PACKAGE_CMAKELIST_FILE}")
         if (NOT ${TRIBITS_PACKAGE}_SOURCE_DIR STREQUAL ${PROJECT_NAME}_SOURCE_DIR)
-          add_subdirectory(${${TRIBITS_PACKAGE}_SOURCE_DIR} ${${TRIBITS_PACKAGE}_BINARY_DIR})
+          add_subdirectory(${${TRIBITS_PACKAGE}_SOURCE_DIR}
+            ${${TRIBITS_PACKAGE}_BINARY_DIR})
         else()
           include("${TRIBITS_PACKAGE_CMAKELIST_FILE}")
         endif()
-        if (NOT ${PACKAGE_NAME}_TRIBITS_PACKAGE_POSTPROCESS)
+        if ((NOT ${PACKAGE_NAME}_TRIBITS_PACKAGE_POSTPROCESS) AND
+	    (NOT TARGET ${PACKAGE_NAME}::all_libs)
+          )
           tribits_report_invalid_tribits_usage(
             "ERROR: Forgot to call tribits_package_postprocess() in"
             " ${TRIBITS_PACKAGE_CMAKELIST_FILE}")
         endif()
 
-        list(APPEND ENABLED_PACKAGE_LIBS_TARGETS ${TRIBITS_PACKAGE}_libs)
+        list(APPEND ENABLED_PACKAGE_LIBS_TARGETS ${TRIBITS_PACKAGE}::all_libs)
         list(APPEND ${PROJECT_NAME}_LIBRARIES ${${TRIBITS_PACKAGE}_LIBRARIES})
 
         tribits_package_config_code_stop_timer(PROCESS_THIS_PACKAGE_TIME_START_SECONDS
diff --git a/tribits/examples/TribitsExampleProject2/packages/package1/CMakeLists.txt b/tribits/examples/TribitsExampleProject2/packages/package1/CMakeLists.txt
index 2344a4ef8..426f937f3 100644
--- a/tribits/examples/TribitsExampleProject2/packages/package1/CMakeLists.txt
+++ b/tribits/examples/TribitsExampleProject2/packages/package1/CMakeLists.txt
@@ -32,17 +32,29 @@ else()
     add_subdirectory(test)
   endif()
 
-  # Generate the all_libs target
+  # Generate the all_libs target(s)
   add_library(Package1_all_libs INTERFACE)
   set_target_properties(Package1_all_libs PROPERTIES
     EXPORT_NAME all_libs)
   target_link_libraries(Package1_all_libs INTERFACE Package1_package1)
-  install(
-    TARGETS Package1_all_libs
+  install(TARGETS Package1_all_libs
     EXPORT ${PROJECT_NAME}
-    INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} )
+    INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+    COMPONENT ${PROJECT_NAME} )
+  add_library(Package1::all_libs ALIAS Package1_all_libs)
+
+  # Generate Package1Config.cmake file for the build tree
+  set(packageBuildDirCMakePackagesDir
+    "${${CMAKE_PROJECT_NAME}_BINARY_DIR}/cmake_packages/${PROJECT_NAME}")
+  export(EXPORT ${PROJECT_NAME}
+    NAMESPACE ${PROJECT_NAME}::
+    FILE "${packageBuildDirCMakePackagesDir}/${PROJECT_NAME}ConfigTargets.cmake" )
+  configure_file(
+    "${CMAKE_CURRENT_SOURCE_DIR}/cmake/raw/Package1Config.cmake.in"
+    "${packageBuildDirCMakePackagesDir}/${PROJECT_NAME}/Package1Config.cmake"
+    @ONLY )
 
-  # Generate and install the Package1Config.cmake file
+  # Generate and install the Package1Config.cmake file for the install tree
   install(EXPORT ${PROJECT_NAME}
     DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
     NAMESPACE ${PROJECT_NAME}::
diff --git a/tribits/examples/TribitsExampleProject2/packages/package1/src/CMakeLists.raw.cmake b/tribits/examples/TribitsExampleProject2/packages/package1/src/CMakeLists.raw.cmake
index aa5dffd55..f15cdc589 100644
--- a/tribits/examples/TribitsExampleProject2/packages/package1/src/CMakeLists.raw.cmake
+++ b/tribits/examples/TribitsExampleProject2/packages/package1/src/CMakeLists.raw.cmake
@@ -7,8 +7,7 @@ target_link_libraries(Package1_package1
 set_target_properties(Package1_package1 PROPERTIES
   EXPORT_NAME package1)
 add_library(Package1::package1 ALIAS Package1_package1)
-install(
-  TARGETS Package1_package1
+install(TARGETS Package1_package1
   EXPORT ${PROJECT_NAME}
   INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} )
 install(