Zengtudor/glew-cmake
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Add glew-cmake README

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Gyusun Yeom 2021-11-14 17:09:12 +09:00
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README.md Normal file
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# GLEW-cmake - nightly pre-generated snapshot with old unofficial cmake support
[GLEW](https://github.com/nigels-com/glew) is upstream of this project.
But *GLEW* repository does not contain generated sources. Only releases include generated sources.
*GLEW-cmake* has generated sources based on the latest *GLEW*. Sources are generated nightly.
If you need only the latest snapshot of *GLEW*, try the build system of *GLEW*. It is placed under the `build` directory. Official `CMakeLists.txt` is placed in `build/cmake`.
Please check [README_glew.md](./README_glew.md) for using build system of *GLEW*.
Also, *GLEW-cmake* has unofficial cmake support - It is created when the official CMake support of *GLEW* does not exist.
You can see some CMake script examples in [`glew-cmake`](./glew-cmake/) directory. But, I **strongly** recommend using official CMakeLists of *GLEW*.
## Usage
This project provide `libglew_static` and `libglew_shared` library targets and `glewinfo` and `visualinfo` executable targets.
`libglew_static` provides a static library, and `libglew_shared` provides a shared library.
*glew-cmake* does not affected by [BUILD_SHARED_LIBS](https://cmake.org/cmake/help/latest/variable/BUILD_SHARED_LIBS.html).
You can disable each library target by setting `glew-cmake_BUILD_SHARED` or `glew-cmake_BUILD_STATIC` falsy value (ex. `NO`, `FALSE`).
If you need only libraries, Please set `ONLY_LIBS` to `ON`. Otherwise, cmake generates executable targets also.
You can get pkg-config fils by setting `PKG_CONFIG_REPRESENTATIVE_TARGET` to `libglew_static` or `libglew_shared`.
Simply specify dependency of your target with `libglew_static` or `libglew_shared` by `target_link_libraries`.
It will set the additional include directory & the libraries to link to your target.
If you are not familiar with cmake, Some `sub-directory-test.cmake`, `fetch-content.cmake` in [`glew-cmake`](./glew-cmake/) could be helpful.

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glew-cmake/maintain.sh
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@ -65,6 +65,10 @@ source_update () {
AFTER_COMMIT=`git rev-parse HEAD`
if [ "$BEFORE_COMMIT" != "$AFTER_COMMIT" ]; then
echo "Source Updated"
git checkout original_repo/${GIT_BRANCH_NAME} -- README.md
git mv -f README.md README_glew.md
git checkout $BEFORE_COMMIT -- README.md
git add -f README.md README_glew.md
git commit --amend -m "Merge ${ORIGINAL_REPO_URL} into ${GIT_BRANCH_NAME} HEAD at $(TZ=GMT date)"
git push ${PUSH_ARG} origin $GIT_BRANCH_NAME:$GIT_BRANCH_NAME
PUSH_COUNT=$((PUSH_COUNT + 1))
@ -118,7 +122,8 @@ import_tags () {
do
echo "Import $TAG"
git checkout $TAG -- .
git checkout master -- CMakeLists.txt GeneratePkgConfig.cmake
git mv -f README.md README_glew.md
git checkout master -- CMakeLists.txt GeneratePkgConfig.cmake README.md
cd "$WORKSPACE/auto"
COMMIT_TIME=`git log -1 $TAG --format=%ct`
echo "Patch perl scripts for new version"