wip better package

CMakeLists.txt

@@ -58,17 +58,16 @@ include (CPM)
 CPMUsePackageLock (${CMAKE_CURRENT_LIST_DIR}/cmake/package-lock.cmake)
 
 # Use ccache if available. This speeds up the build process by caching files that have been compiled before.
-CPMGetPackage (use_ccache)
+include (use_ccache)
 CPMGetPackage (seqan3)
-CPMGetPackage (robin-hood)
 
 # Add the application. This will include `src/CMakeLists.txt`.
 add_subdirectory (src)
 
 if (NEEDLE_TEST)
     list (APPEND CMAKE_CTEST_ARGUMENTS "--output-on-failure;--no-tests=error") # Must be before `enable_testing ()`.
     enable_testing ()
-    add_subdirectory (test EXCLUDE_FROM_ALL)
+    add_subdirectory (test)
 endif ()
 
 if (NEEDLE_DOCS)

cmake/cpack_install.cmake.in

@@ -4,5 +4,13 @@
 
 # Only if creating the source package (`make package_source`).
 if (CPACK_SOURCE_INSTALLED_DIRECTORIES)
-    file (COPY "@CPM_SOURCE_CACHE@" DESTINATION "${CMAKE_CURRENT_BINARY_DIR}")
+    file (COPY "@CPM_SOURCE_CACHE@" DESTINATION "${CMAKE_CURRENT_BINARY_DIR}" PATTERN ".git" EXCLUDE PATTERN "cpm" EXCLUDE PATTERN "use_ccache" EXCLUDE)
+    if (EXISTS "@CPM_DOWNLOAD_LOCATION@")
+        file (READ "@CPM_DOWNLOAD_LOCATION@" FILE_CONTENTS)
+        string (REPLACE "find_package(Git REQUIRED)" "return()" FILE_CONTENTS "${FILE_CONTENTS}")
+        file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/cmake/CPM.cmake" "${FILE_CONTENTS}")
+        # configure_file ("@CPM_DOWNLOAD_LOCATION@" "${CMAKE_CURRENT_BINARY_DIR}/cmake/CPM.cmake" COPYONLY)
+        configure_file ("@use_ccache_SOURCE_DIR@/ccache/CMakeLists.txt"
+                        "${CMAKE_CURRENT_BINARY_DIR}/cmake/use_ccache.cmake" COPYONLY)
+    endif ()
 endif ()

cmake/package-lock.cmake

@@ -27,17 +27,6 @@ CPMDeclarePackage (googletest
                            "CMAKE_CXX_STANDARD 20"
 )
 
-# robin-hood-hashing
-set (NEEDLE_ROBIN_HOOD_VERSION 7697343363af4cc3f42cab17be49e6af9ab181e2)
-CPMDeclarePackage (robin-hood
-                   NAME robin-hood
-                   GIT_TAG ${NEEDLE_ROBIN_HOOD_VERSION} # master
-                   GITHUB_REPOSITORY martinus/robin-hood-hashing
-                   SYSTEM TRUE
-                   EXCLUDE_FROM_ALL TRUE
-                   OPTIONS "CMAKE_MESSAGE_LOG_LEVEL WARNING"
-)
-
 # use_ccache
 set (USE_CCACHE_VERSION d2a54ef555b6fc2d496a4c9506dbeb7cf899ce37)
 CPMDeclarePackage (use_ccache

cmake/package.cmake

@@ -35,10 +35,9 @@ set (CPACK_PACKAGE_CHECKSUM "SHA256")
 set (CPACK_RESOURCE_FILE_LICENSE "${needle_SOURCE_DIR}/LICENSE.md")
 set (CPACK_RESOURCE_FILE_README "${needle_SOURCE_DIR}/README.md")
 
-# Already being called on source package, i.e. CPM is already downloaded.
-if (NOT CPM_DOWNLOAD_LOCATION)
-    set (CPM_DOWNLOAD_LOCATION "${needle_SOURCE_DIR}/cmake/CPM.cmake")
-endif ()
+include (CPM)
+CPMUsePackageLock (${CMAKE_CURRENT_LIST_DIR}/package-lock.cmake)
+include (use_ccache)
 
 configure_file ("${needle_SOURCE_DIR}/cmake/cpack_install.cmake.in" "${CMAKE_CURRENT_BINARY_DIR}/cpack_install.cmake"
                 @ONLY
@@ -51,5 +50,7 @@ list (APPEND CPACK_SOURCE_IGNORE_FILES "/\.git($|/)")
 list (APPEND CPACK_SOURCE_IGNORE_FILES "/\.github/")
 list (APPEND CPACK_SOURCE_IGNORE_FILES "/\.vscode/")
 list (APPEND CPACK_SOURCE_IGNORE_FILES "/build/")
+list (APPEND CPACK_SOURCE_IGNORE_FILES "/cmake/use_ccache.cmake")
+list (APPEND CPACK_SOURCE_IGNORE_FILES "/cmake/CPM.cmake")
 
 include (CPack)

cmake/use_ccache.cmake

@@ -0,0 +1,9 @@
+# SPDX-FileCopyrightText: 2006-2024 Knut Reinert & Freie Universität Berlin
+# SPDX-FileCopyrightText: 2016-2024 Knut Reinert & MPI für molekulare Genetik
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required (VERSION 3.15...3.30)
+
+# This file's only purpose is to be replaced with the content of the use_ccache CMakeLists.txt file
+# when creating the source package.
+CPMGetPackage (use_ccache)