cmake: fix building with BUILD_LIBSYSTEMD and ninja generator (#138)

The ninja generator requires the BUILD_BYPRODUCTS specifier to work out the dependencies.
Kistler-Group · Mar 12, 2021 · 3f74512 · 3f74512
1 parent 0090ca9
commit 3f74512
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/cmake/LibsystemdExternalProject.cmake b/cmake/LibsystemdExternalProject.cmake
@@ -45,7 +45,8 @@ ExternalProject_Add(LibsystemdBuildProject
                           COMMAND     ${NINJA} -C <BINARY_DIR> libsystemd.a
                     BUILD_ALWAYS      0
                     INSTALL_COMMAND   ${CMAKE_COMMAND} -E copy_directory <SOURCE_DIR>/src/systemd <INSTALL_DIR>/include/systemd
-                    LOG_DOWNLOAD 1 LOG_UPDATE 1 LOG_CONFIGURE 1 LOG_BUILD 1)
+                    LOG_DOWNLOAD 1 LOG_UPDATE 1 LOG_CONFIGURE 1 LOG_BUILD 1
+                    BUILD_BYPRODUCTS <BINARY_DIR>/libsystemd.a)
 
 ExternalProject_Get_property(LibsystemdBuildProject SOURCE_DIR)
 ExternalProject_Get_property(LibsystemdBuildProject BINARY_DIR)