Split package root specifications into individual cmake files

Author: Bill-hbrhbr

CMakeLists.txt

@@ -40,7 +40,7 @@ if(YSTDLIB_CPP_IS_TOP_LEVEL)
     # Include dependency settings if the project isn't being included as a subproject.
     # NOTE: We mark the file optional because if the user happens to have the dependencies
     # installed, this file is not necessary.
-    include(build/deps/settings.cmake OPTIONAL)
+    include(build/deps/CMake/settings.cmake OPTIONAL)
 
     # If previously undefined, `BUILD_TESTING` will be set to ON.
     include(CTest)

taskfile.yaml

@@ -11,8 +11,9 @@ vars:
   G_CPP_SRC_DIR: "{{.ROOT_DIR}}/src"
   G_DEPS_DIR: "{{.G_BUILD_DIR}}/deps"
 
-  # This should be kept in-sync with its usage in CMakeLists.txt
-  G_DEPS_CMAKE_SETTINGS_FILE: "{{.G_DEPS_DIR}}/settings.cmake"
+  # These should be kept in-sync with its usage in CMakeLists.txt
+  G_DEPS_CMAKE_SETTINGS_DIR: "{{.G_DEPS_DIR}}/CMake"
+  G_DEPS_CMAKE_SETTINGS_FILE: "{{.G_DEPS_CMAKE_SETTINGS_DIR}}/settings.cmake"
 
   G_TEST_BIN_DIR: "{{.G_BUILD_DIR}}/testbin"
   G_TEST_TARGET_SUFFIXES:

taskfiles/deps.yaml

@@ -18,12 +18,8 @@ tasks:
   install-all-init:
     internal: true
     cmds:
-      - "mkdir -p {{.G_DEPS_DIR}}"
+      - "mkdir -p {{.G_DEPS_CMAKE_SETTINGS_DIR}}"
       - "rm -f '{{.G_DEPS_CMAKE_SETTINGS_FILE}}'"
-      # Enable CMP0074 to ensure Cmake versions prior to 3.12 does not ignore <PackageName>_ROOT.
-      - >-
-        echo "set(CMAKE_POLICY_DEFAULT_CMP0074 NEW CACHE STRING \"Enable <PackageName>_ROOT
-        flags\")" >> "{{.G_DEPS_CMAKE_SETTINGS_FILE}}"
 
   install-all-run:
     internal: true
@@ -34,6 +30,8 @@ tasks:
 
   add-package-root-to-settings:
     internal: true
+    vars:
+      PACKAGE_ROOT_SETTINGS_FILE: "{{.G_DEPS_CMAKE_SETTINGS_DIR}}/{{.NAME}}-root.cmake"
     requires:
       vars:
         - "NAME"
@@ -43,7 +41,9 @@ tasks:
       # See also: https://man7.org/linux/man-pages/man7/pipe.7.html
       - >-
         echo "set({{.NAME}}_ROOT \"{{.INSTALL_PREFIX}}\" CACHE PATH \"Path to {{.NAME}}\")" >>
-        "{{.G_DEPS_CMAKE_SETTINGS_FILE}}"
+        "{{.PACKAGE_ROOT_SETTINGS_FILE}}"
+      - >-
+        echo "include({{.PACKAGE_ROOT_SETTINGS_FILE}})" >> "{{.G_DEPS_CMAKE_SETTINGS_FILE}}"
 
   install-Catch2:
     internal: true
@@ -73,7 +73,7 @@ tasks:
           FILE_SHA256: "0382248cbb00806ce4b5f3ce6939797dc3b597c85fd3531614959e31ef488b39"
           URL: "https://github.com/ned14/outcome/archive/refs/tags/v2.2.11.tar.gz"
           GEN_ARGS:
-            - "-C {{.G_DEPS_CMAKE_SETTINGS_FILE}}"
+            - "-C {{.G_DEPS_CMAKE_SETTINGS_DIR}}/{{.G_QUICKCPPLIB_LIB_NAME}}-root.cmake"
             - "-DCMAKE_BUILD_TYPE=Release"
           JOBS: 8
       - task: "add-package-root-to-settings"