Allow linking against build tree (kokkos#6078)

* Allow linking against build tree * Use Kokkos_BINARY_DIR instead of CMAKE_BINARY_DIR
nliber · May 25, 2023 · e88537f · e88537f
1 parent b3f9f78
commit e88537f
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diff --git a/.github/workflows/continuous-integration-workflow.yml b/.github/workflows/continuous-integration-workflow.yml
@@ -111,6 +111,12 @@ jobs:
       - name: Tests
         working-directory: builddir
         run: ctest --output-on-failure
+      - name: Test linking against build dir
+        working-directory: example/build_cmake_installed
+        run: |
+          cmake -B builddir_buildtree -DCMAKE_CXX_COMPILER=${{ matrix.cxx }} -DKokkos_ROOT=../../builddir
+          cmake --build builddir_buildtree
+          cmake --build builddir_buildtree --target test
       - name: Test DESTDIR Install
         run: DESTDIR=${PWD}/install cmake --build builddir --target install && rm -rf ${PWD}/install/usr && rmdir ${PWD}/install
       - name: Install

diff --git a/cmake/kokkos_install.cmake b/cmake/kokkos_install.cmake
@@ -28,6 +28,7 @@ IF (NOT KOKKOS_HAS_TRILINOS AND NOT Kokkos_INSTALL_TESTING)
     "${Kokkos_BINARY_DIR}/KokkosConfigVersion.cmake"
     DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/Kokkos)
   install(EXPORT KokkosTargets NAMESPACE Kokkos:: DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/Kokkos)
+  export(EXPORT KokkosTargets NAMESPACE Kokkos:: FILE ${Kokkos_BINARY_DIR}/KokkosTargets.cmake)
 ELSE()
   CONFIGURE_FILE(cmake/KokkosConfigCommon.cmake.in ${Kokkos_BINARY_DIR}/KokkosConfigCommon.cmake @ONLY)
   file(READ ${Kokkos_BINARY_DIR}/KokkosConfigCommon.cmake KOKKOS_CONFIG_COMMON)