build: Add outcome and quickcpplib as dependencies to use outcome in future changes.

CMakeLists.txt

@@ -50,8 +50,12 @@ if(BUILD_TESTING AND YSTDLIB_CPP_BUILD_TESTING)
     set(YSTDLIB_CPP_ENABLE_TESTS ON)
 endif()
 
-# Import CMake helper functions
-list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/CMake)
+find_package(outcome REQUIRED)
+if(outcome_FOUND)
+    message(STATUS "Found outcome.")
+else()
+    message(FATAL_ERROR "Could not find libraries for outcome.")
+endif()
 
 if(YSTDLIB_CPP_ENABLE_TESTS)
     find_package(Catch2 3.8.0 REQUIRED)
@@ -77,6 +81,9 @@ if(YSTDLIB_CPP_ENABLE_TESTS)
     catch_discover_tests(${UNIFIED_UNIT_TEST_TARGET} WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/testbin)
 endif()
 
+# Import CMake helper functions
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/CMake)
+
 include(ystdlib-cpp-helpers)
 
 add_subdirectory(src/ystdlib)

taskfiles/deps.yaml

@@ -3,18 +3,47 @@ version: "3"
 vars:
   G_CATCH2_LIB_NAME: "Catch2"
   G_CATCH2_WORK_DIR: "{{.G_DEPS_DIR}}/{{.G_CATCH2_LIB_NAME}}"
+  G_OUTCOME_LIB_NAME: "outcome"
+  G_OUTCOME_WORK_DIR: "{{.G_DEPS_DIR}}/{{.G_OUTCOME_LIB_NAME}}"
+  G_QUICKCPPLIB_LIB_NAME: "quickcpplib"
+  G_QUICKCPPLIB_WORK_DIR: "{{.G_DEPS_DIR}}/{{.G_QUICKCPPLIB_LIB_NAME}}"
 
 tasks:
   install-all:
     desc: "Install all dependencies required by ystdlib-cpp."
+    cmds:
+      - task: "install-all-init"
+      - task: "install-all-run"
+
+  install-all-init:
+    internal: true
+    cmds:
+      - "mkdir -p {{.G_DEPS_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
     deps:
       - "install-Catch2"
+      - "install-outcome"
+      - "install-quickcpplib"
+
+  add-package-root-to-settings:
+    internal: true
+    requires:
+      vars:
+        - "NAME"
+        - "INSTALL_PREFIX"
     cmds:
-      - "rm -f '{{.G_DEPS_CMAKE_SETTINGS_FILE}}'"
+      # POSIX-compliant OS ensures that writes with sizes less than `PIPE_BUF` must be atomic.
+      # See also: https://man7.org/linux/man-pages/man7/pipe.7.html
       - >-
-        echo "set(
-        {{.G_CATCH2_LIB_NAME}}_ROOT \"{{.G_CATCH2_WORK_DIR}}/{{.G_CATCH2_LIB_NAME}}-install\"
-        )" >> "{{.G_DEPS_CMAKE_SETTINGS_FILE}}"
+        echo "set({{.NAME}}_ROOT \"{{.INSTALL_PREFIX}}\" CACHE PATH \"Path to {{.NAME}}\")" >>
+        "{{.G_DEPS_CMAKE_SETTINGS_FILE}}"
 
   install-Catch2:
     internal: true
@@ -26,3 +55,45 @@ tasks:
           WORK_DIR: "{{.G_CATCH2_WORK_DIR}}"
           FILE_SHA256: "1ab2de20460d4641553addfdfe6acd4109d871d5531f8f519a52ea4926303087"
           URL: "https://github.com/catchorg/Catch2/archive/refs/tags/v3.8.0.tar.gz"
+      - task: "add-package-root-to-settings"
+        vars:
+          NAME: "{{.G_CATCH2_LIB_NAME}}"
+          INSTALL_PREFIX: "{{.G_CATCH2_WORK_DIR}}/{{.G_CATCH2_LIB_NAME}}-install"
+
+  install-outcome:
+    internal: true
+    run: "once"
+    deps:
+      - "install-quickcpplib"
+    cmds:
+      - task: ":utils:cmake-install-remote-tar"
+        vars:
+          NAME: "{{.G_OUTCOME_LIB_NAME}}"
+          WORK_DIR: "{{.G_OUTCOME_WORK_DIR}}"
+          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}}"
+            - "-DCMAKE_BUILD_TYPE=Release"
+          JOBS: 8
+      - task: "add-package-root-to-settings"
+        vars:
+          NAME: "{{.G_OUTCOME_LIB_NAME}}"
+          INSTALL_PREFIX: "{{.G_OUTCOME_WORK_DIR}}/{{.G_OUTCOME_LIB_NAME}}-install"
+
+  install-quickcpplib:
+    internal: true
+    run: "once"
+    cmds:
+      - task: ":utils:cmake-install-remote-tar"
+        vars:
+          NAME: "{{.G_QUICKCPPLIB_LIB_NAME}}"
+          WORK_DIR: "{{.G_QUICKCPPLIB_WORK_DIR}}"
+          FILE_SHA256: "cd1f4cd5e9580957bd9e9fabf5b9133ffe3594071a1eed6fe685d9143b961294"
+          URL: "https://github.com/ned14/quickcpplib/archive/master.tar.gz"
+          GEN_ARGS:
+            - "-DCMAKE_BUILD_TYPE=Release"
+      - task: "add-package-root-to-settings"
+        vars:
+          NAME: "{{.G_QUICKCPPLIB_LIB_NAME}}"
+          INSTALL_PREFIX: "{{.G_QUICKCPPLIB_WORK_DIR}}/{{.G_QUICKCPPLIB_LIB_NAME}}-install"