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Merged
codethinki merged 2 commits into from
Oct 18, 2026
Merged

build: an option per component, cth links boost-pfr #16

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288caaf
build: an option per component
codethinki Oct 18, 2026
833fba5
fix: cth links boost-pfr
codethinki Oct 18, 2026
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12 changes: 5 additions & 7 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -17,14 +17,12 @@ if(CTH_ENABLE_TESTS)
enable_testing()
endif()

# exported
# exported, a parent project turns components off with set(CTH_BUILD_<COMPONENT> OFF)
add_subdirectory(cth)
add_subdirectory(cth_os)
add_subdirectory(cth_coro)
add_subdirectory(cth_net)
if(WIN32)
add_subdirectory(cth_win)
endif()
cth_add_subdirectory(cth_os CTH_BUILD_OS)
cth_add_subdirectory(cth_coro CTH_BUILD_CORO)
cth_add_subdirectory(cth_net CTH_BUILD_NET)
cth_add_subdirectory(cth_win CTH_BUILD_WIN WIN32)

cth_create_package()

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14 changes: 13 additions & 1 deletion README.md
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Expand Up @@ -139,11 +139,23 @@ find_package(cth CONFIG REQUIRED COMPONENTS coro)
target_link_libraries(app PRIVATE cth::coro)
```

or add the source as a subdirectory, options turn components off:

```cmake
set(CTH_BUILD_NET OFF)
add_subdirectory(lib/cth)
target_link_libraries(app PRIVATE cth::os)
```

api not stable yet, no versioned releases

## components
- `cth`, `os`, `coro`
- `cth`, `os`, `coro`, `net`
- windows only: `win`, `win_capture`

## options
- `CTH_BUILD_OS`, `CTH_BUILD_CORO`, `CTH_BUILD_NET`: default ON
- `CTH_BUILD_WIN`: default ON on windows

# license
[MIT](LICENSE)
4 changes: 4 additions & 0 deletions cth/CMakeLists.txt
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Expand Up @@ -11,6 +11,10 @@ cth_pkg_target_include_directories(

target_compile_options(cth INTERFACE $<$<CXX_COMPILER_ID:MSVC>:/Zc:preprocessor>)

# cth/hash/hash_aggregates.hpp includes boost/pfr.hpp
cth_pkg_target_find_package(cth boost_pfr CONFIG REQUIRED)
target_link_libraries(cth INTERFACE Boost::pfr)

target_link_libraries(cth INTERFACE $<$<AND:$<CXX_COMPILER_ID:GNU,Clang>,$<NOT:$<PLATFORM_ID:Windows>>>:stdc++exp>)

# tests
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2 changes: 2 additions & 0 deletions cth_coro/CMakeLists.txt
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@@ -1,3 +1,5 @@
cth_assert_target(cth::os REASON "cth_coro requires cth_os (CTH_BUILD_OS)")

cth_glob_cpp(CTH_CORO_SRC "src")
cth_glob_cpp(CTH_CORO_INCL "incl")

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2 changes: 2 additions & 0 deletions cth_net/CMakeLists.txt
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@@ -1,3 +1,5 @@
cth_assert_target(cth::os REASON "cth_net requires cth_os (CTH_BUILD_OS)")

cth_glob_cpp(CTH_NET_SRC "src")
cth_glob_cpp(CTH_NET_INCL "incl")

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4 changes: 4 additions & 0 deletions cth_win/CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,3 +1,7 @@
cth_assert_true(WIN32 REASON "cth_win targets windows")
cth_assert_target(cth::os REASON "cth_win requires cth_os (CTH_BUILD_OS)")
cth_assert_target(cth::coro REASON "cth_win requires cth_coro (CTH_BUILD_CORO)")

cth_glob_cpp(CTH_WIN_SRC "src")
cth_glob_cpp(CTH_WIN_INCL "incl")

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2 changes: 1 addition & 1 deletion lib/cth_cmake
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Submodule cth_cmake updated 11 files
+3 −3 .github/actions/build-container/action.yml
+1 −1 .github/actions/setup-windows/action.yml
+2 −2 .github/workflows/linux-pipeline.yml
+1 −1 .github/workflows/windows-pipeline.yml
+7 −0 cth_install_utilities.cmake
+58 −1 cth_setup_utilities.cmake
+15 −0 examples/basic/CMakeLists.txt
+1 −0 examples/basic/enabled/CMakeLists.txt
+1 −0 examples/basic/optional/CMakeLists.txt
+1 −0 examples/basic/unused/CMakeLists.txt
+2 −1 readme.md
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