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feat: simplest cmake --install support (requires CMake 3.15+) #598

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feat: simplest cmake --install support (requires CMake 3.15+) #598

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ff8e82c
feat: simplest `cmake --install` support (requires CMake 3.15+)
leha-bot Sep 4, 2024
5a9fe60
Update README
leha-bot Sep 4, 2024
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18 changes: 18 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
# Warning: this CMakeLists has been created only for supporting
# `cmake --install` && find_package(CPM) workflow. If you don't
# use it, then this file is not required, just download CPM.cmake
# as written in README.md.
cmake_minimum_required(VERSION 3.15) # minimal for `cmake --install`
include(cmake/CPM.cmake) # extract version
project(CPM LANGUAGES NONE)

include(GNUInstallDirs)
install(FILES ${CMAKE_CURRENT_LIST_DIR}/cmake/CPM.cmake DESTINATION ${CMAKE_INSTALL_DATADIR}/cmake/CPM)

# CPM-config.cmake stub
file(CONFIGURE OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/CPM-config.cmake CONTENT [=[
include(${CMAKE_CURRENT_LIST_DIR}/CPM.cmake)
set(CPM_FOUND ON)
]=] @ONLY)

install(FILES ${CMAKE_CURRENT_BINARY_DIR}/CPM-config.cmake DESTINATION ${CMAKE_INSTALL_DATADIR}/cmake/CPM)
3 changes: 3 additions & 0 deletions README.md
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Expand Up @@ -57,6 +57,9 @@ wget -O cmake/CPM.cmake https://github.com/cpm-cmake/CPM.cmake/releases/latest/d

You can also download CPM.cmake directly from your project's `CMakeLists.txt`. See the [wiki](https://github.com/cpm-cmake/CPM.cmake/wiki/Downloading-CPM.cmake-in-CMake) for more details.

### cmake --install workflow
You can also clone this repo and install the CPM.cmake into your prefix via `cmake -S . -B build && cmake --install build --prefix <your-cmake-install-prefix>`.

## Usage

After `CPM.cmake` has been [added](#adding-cpm) to your project, the function `CPMAddPackage` can be used to fetch and configure a dependency.
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