Switching to CPM

RoaringBitmap · Oct 28, 2023 · c47190f · c47190f
1 parent 0a5c300
commit c47190f
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Showing 5 changed files with 39 additions and 57 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -52,7 +52,7 @@ set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/tools/cmake")
 find_package(CTargets)
 find_package(Options)
 find_package(LTO)
-include(Import)
+include(cmake/CPM.cmake)
 
 configure_file("${CMAKE_CURRENT_SOURCE_DIR}/roaring.pc.in"
                "${CMAKE_CURRENT_BINARY_DIR}/roaring.pc" @ONLY)

diff --git a/cmake/CPM.cmake b/cmake/CPM.cmake
@@ -0,0 +1,24 @@
+# SPDX-License-Identifier: MIT
+#
+# SPDX-FileCopyrightText: Copyright (c) 2019-2023 Lars Melchior and contributors
+
+set(CPM_DOWNLOAD_VERSION 0.38.6)
+set(CPM_HASH_SUM "11c3fa5f1ba14f15d31c2fb63dbc8628ee133d81c8d764caad9a8db9e0bacb07")
+
+if(CPM_SOURCE_CACHE)
+  set(CPM_DOWNLOAD_LOCATION "${CPM_SOURCE_CACHE}/cpm/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
+elseif(DEFINED ENV{CPM_SOURCE_CACHE})
+  set(CPM_DOWNLOAD_LOCATION "$ENV{CPM_SOURCE_CACHE}/cpm/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
+else()
+  set(CPM_DOWNLOAD_LOCATION "${CMAKE_BINARY_DIR}/cmake/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
+endif()
+
+# Expand relative path. This is important if the provided path contains a tilde (~)
+get_filename_component(CPM_DOWNLOAD_LOCATION ${CPM_DOWNLOAD_LOCATION} ABSOLUTE)
+
+file(DOWNLOAD
+     https://github.com/cpm-cmake/CPM.cmake/releases/download/v${CPM_DOWNLOAD_VERSION}/CPM.cmake
+     ${CPM_DOWNLOAD_LOCATION} EXPECTED_HASH SHA256=${CPM_HASH_SUM}
+)
+
+include(${CPM_DOWNLOAD_LOCATION})
diff --git a/cmake/import.cmake b/cmake/import.cmake
diff --git a/microbenchmarks/CMakeLists.txt b/microbenchmarks/CMakeLists.txt
@@ -7,8 +7,15 @@ set_off(BENCHMARK_ENABLE_TESTING)
 set_off(BENCHMARK_ENABLE_INSTALL)
 set_off(BENCHMARK_ENABLE_WERROR)
 set(BENCHMARK_ENABLE_WERROR OFF)
-import_dependency(google_benchmarks google/benchmark 3441176)
-add_dependency(google_benchmarks)
+ CPMAddPackage(
+     NAME benchmark
+     GITHUB_REPOSITORY google/benchmark
+     GIT_TAG 3441176
+     OPTIONS "BENCHMARK_ENABLE_TESTING OFF"
+             "BENCHMARK_ENABLE_INSTALL OFF"
+             "BENCHMARK_ENABLE_WERROR OFF"
+
+   )
 
 add_executable(bench bench.cpp)
 target_link_libraries(bench PRIVATE roaring)

diff --git a/tools/cmake/FindCTargets.cmake b/tools/cmake/FindCTargets.cmake
@@ -4,8 +4,11 @@ endif ()
 include(${PROJECT_SOURCE_DIR}/tools/cmake/Import.cmake)
 set(BUILD_STATIC_LIB ON)
 if (ENABLE_ROARING_TESTS)
-  import_dependency(cmocka clibs/cmocka  f5e2cd7)
-  add_dependency(cmocka)
+  CPMAddPackage(
+       NAME cmocka
+       GITHUB_REPOSITORY clibs/cmocka
+       GIT_TAG f5e2cd7
+    )
 endif()
 
 function(add_c_test TEST_NAME)