remove cpm from project

CMakeLists.txt

@@ -10,6 +10,7 @@ set(ADA_LIB_SOVERSION "2" CACHE STRING "ada library soversion")
 
 include(GNUInstallDirs)
 
+include(FetchContent)
 include(CTest)
 include(cmake/ada-flags.cmake)
 
@@ -22,38 +23,39 @@ set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/scripts/cmake)
 option(ADA_BENCHMARKS "Build benchmarks" OFF)
 option(ADA_TESTING "Build tests" ${BUILD_TESTING})
 
-# There are cases where when embedding ada as a dependency for other CMake
-# projects as submodules or subdirectories (via FetchContent) can lead to
-# errors due to CPM, so this is here to support disabling all the testing
-# and tooling for ada if one only wishes to use the ada library.
 if(ADA_TESTING OR ADA_BENCHMARKS OR ADA_TOOLS)
-  include(cmake/CPM.cmake)
-  # CPM requires git as an implicit dependency
   find_package(Git QUIET)
   # We use googletest in the tests
   if(Git_FOUND AND ADA_TESTING)
-    CPMAddPackage(
-      NAME GTest
-      GITHUB_REPOSITORY google/googletest
-      VERSION 1.15.2
-      OPTIONS  "BUILD_GMOCK OFF" "INSTALL_GTEST OFF"
+    FetchContent_Declare(
+      GTest
+      GIT_REPOSITORY https://github.com/google/googletest.git
+      GIT_TAG v1.15.2
     )
+    set(BUILD_GMOCK OFF CACHE BOOL "" FORCE)
+    set(INSTALL_GTEST OFF CACHE BOOL "" FORCE)
+    FetchContent_MakeAvailable(GTest)
   endif()
   # We use simdjson in both the benchmarks and tests
   if(Git_FOUND AND (ADA_TESTING OR ADA_BENCHMARKS))
-    CPMAddPackage("gh:simdjson/simdjson@3.10.1")
+    FetchContent_Declare(
+      simdjson
+      GIT_REPOSITORY https://github.com/simdjson/simdjson.git
+      GIT_TAG v3.10.1
+    )
+    FetchContent_MakeAvailable(simdjson)
   endif()
   # We use Google Benchmark, but it does not build under several 32-bit systems.
   if(Git_FOUND AND ADA_BENCHMARKS AND (CMAKE_SIZEOF_VOID_P EQUAL 8))
-    CPMAddPackage(
-      NAME benchmark
-      GITHUB_REPOSITORY google/benchmark
-      VERSION 1.9.0
-      OPTIONS "BENCHMARK_ENABLE_TESTING OFF"
-              "BENCHMARK_ENABLE_INSTALL OFF"
-              "BENCHMARK_ENABLE_WERROR OFF"
-
+    FetchContent_Declare(
+      benchmark
+      GIT_REPOSITORY https://github.com/google/benchmark.git
+      GIT_TAG v1.9.0
     )
+    set(BENCHMARK_ENABLE_TESTING OFF CACHE BOOL "" FORCE)
+    set(BENCHMARK_ENABLE_INSTALL OFF CACHE BOOL "" FORCE)
+    set(BENCHMARK_ENABLE_WERROR OFF CACHE BOOL "" FORCE)
+    FetchContent_MakeAvailable(benchmark)
   endif()
 
   if (ADA_TESTING AND NOT EMSCRIPTEN)

benchmarks/CMakeLists.txt

@@ -16,7 +16,12 @@ target_include_directories(bench PUBLIC "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}
 target_include_directories(bench PUBLIC "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/benchmarks>")
 
 # Benchdata
-CPMAddPackage("gh:ada-url/url-dataset#9749b92c13e970e70409948fa862461191504ccc")
+FetchContent_Declare(
+  url-dataset
+  GIT_REPOSITORY https://github.com/ada-url/url-dataset.git
+  GIT_TAG        9749b92c13e970e70409948fa862461191504ccc
+)
+FetchContent_MakeAvailable(url-dataset)
 add_executable(benchdata bench.cpp)
 target_link_libraries(benchdata PRIVATE ada)
 target_include_directories(benchdata PUBLIC "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>")
@@ -94,12 +99,14 @@ if(NOT ICU_FOUND)
 endif(NOT ICU_FOUND)
 
 if(ICU_FOUND)
-    CPMAddPackage(
-      NAME url_whatwg
-      GITHUB_REPOSITORY rmisev/url_whatwg
-      GIT_TAG 72bcabf
-      OPTIONS  "URL_BUILD_TESTS OFF" "URL_USE_LIBS OFF"
+    FetchContent_Declare(
+      url_whatwg
+      GIT_REPOSITORY https://github.com/rmisev/url_whatwg.git
+      GIT_TAG        72bcabf
     )
+    set(URL_BUILD_TESTS OFF CACHE BOOL "")
+    set(URL_USE_LIBS OFF CACHE BOOL "")
+    FetchContent_MakeAvailable(url_whatwg)
     add_library(url_whatwg_lib STATIC "${url_whatwg_SOURCE_DIR}/src/url.cpp"
       "${url_whatwg_SOURCE_DIR}/src/url_idna.cpp"
       "${url_whatwg_SOURCE_DIR}/src/url_ip.cpp"
@@ -110,7 +117,6 @@ if(ICU_FOUND)
     target_include_directories(url_whatwg_lib PUBLIC "${url_whatwg_SOURCE_DIR}/include")
     target_link_libraries(url_whatwg_lib PRIVATE ICU::uc ICU::i18n)
 
-
     target_link_libraries(bench PRIVATE url_whatwg_lib)
     target_link_libraries(benchdata PRIVATE url_whatwg_lib)
     target_link_libraries(bbc_bench PRIVATE url_whatwg_lib)
@@ -255,13 +261,13 @@ endif(ZURI_FOUND)
 
 if(NOT WIN32)
 # We want the check whether Rust is available before trying to build a crate.
-CPMAddPackage(
-  NAME corrosion
-  GITHUB_REPOSITORY corrosion-rs/corrosion
-  VERSION 0.4.4
-  DOWNLOAD_ONLY ON
-  OPTIONS "Rust_FIND_QUIETLY OFF"
+FetchContent_Declare(
+  corrosion
+  GIT_REPOSITORY https://github.com/corrosion-rs/corrosion.git
+  GIT_TAG        v0.4.4
 )
+set(Rust_FIND_QUIETLY OFF CACHE BOOL "")
+FetchContent_MakeAvailable(corrosion)
 include("${corrosion_SOURCE_DIR}/cmake/FindRust.cmake")
 endif()
 

tools/cli/CMakeLists.txt

@@ -8,22 +8,30 @@ if(MSVC AND BUILD_SHARED_LIBS)
         "$<TARGET_FILE:ada>"      # <--this is in-file
         "$<TARGET_FILE_DIR:adaparse>")                 # <--this is out-file path
 endif()
-CPMAddPackage("gh:fmtlib/fmt#11.0.2")
-CPMAddPackage(
-  GITHUB_REPOSITORY jarro2783/cxxopts
-  VERSION 3.2.0
-  OPTIONS "CXXOPTS_BUILD_EXAMPLES NO" "CXXOPTS_BUILD_TESTS NO" "CXXOPTS_ENABLE_INSTALL YES"
+FetchContent_Declare(
+  fmt
+  GIT_REPOSITORY https://github.com/fmtlib/fmt.git
+  GIT_TAG 11.0.2
 )
+FetchContent_MakeAvailable(fmt)
+FetchContent_Declare(
+  cxxopts
+  GIT_REPOSITORY https://github.com/jarro2783/cxxopts.git
+  GIT_TAG v3.2.0
+)
+set(CXXOPTS_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
+set(CXXOPTS_BUILD_TESTS OFF CACHE BOOL "" FORCE)
+set(CXXOPTS_ENABLE_INSTALL OFF CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(cxxopts)
 target_link_libraries(adaparse PRIVATE cxxopts::cxxopts fmt::fmt)
 
 if(MSVC OR MINGW)
   target_compile_definitions(adaparse PRIVATE _CRT_SECURE_NO_WARNINGS _CRT_NONSTDC_NO_DEPRECATE)
 endif()
 
 install(
-   TARGETS
-    adaparse
-   ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+  TARGETS adaparse
+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
 )