diff options
| -rw-r--r-- | CMakeLists.txt | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 8e56e856..9451b8ee 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -188,18 +188,16 @@ set(FULL_CSAPI_DIR lib/${CSAPI_DIR}) set(ASAPI_DEF_DIR application-service/definitions) set(ISAPI_DEF_DIR identity/definitions) -if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.12.0") - set(add_CONFIGURE_DEPENDS "CONFIGURE_DEPENDS") -endif() -file(GLOB_RECURSE api_SRCS ${add_CONFIGURE_DEPENDS} ${FULL_CSAPI_DIR}/*.cpp) - -# Make no mistake: CMake cannot run gtad first and then populate the list of -# resulting api_SRCS files. In other words, placing the above statement after -# the add_custom_target() call below won't bring the desired result: -# CMake will execute it at cmake invocation and gtad will only run later -# when building the update-api target. If you see that gtad has created -# new files you have to re-run cmake. CONFIGURE_DEPENDS somewhat helps that. if (MATRIX_DOC_PATH AND GTAD_PATH) + if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.12.0") + # We use globbing with CONFIGURE_DEPENDS to produce two file lists: + # one of all API files for clang-format and another of just .cpp + # files to supply for library source files. Since we expect these + # file lists to only change due to GTAD invocation, we only use + # CONFIGURE_DEPENDS when pre-requisites to update API are met. + # Read comments next to each file(GLOB_RECURSE) for caveats. + set(add_CONFIGURE_DEPENDS "CONFIGURE_DEPENDS") + endif() set(FULL_CSAPI_SRC_DIR ${ABS_API_DEF_PATH}/client-server) file(GLOB_RECURSE API_DEFS RELATIVE ${PROJECT_SOURCE_DIR} ${FULL_CSAPI_SRC_DIR}/*.yaml @@ -224,8 +222,12 @@ if (MATRIX_DOC_PATH AND GTAD_PATH) if (ABS_CLANG_FORMAT) set(CLANG_FORMAT_ARGS -i -sort-includes ${CLANG_FORMAT_ARGS}) # FIXME: the list of files should be produced after GTAD has run. - # For now it's produced at CMake invocation; and if file() doesn't file - # any files clang-format chokes; also, + # For now it's produced at CMake invocation. If file() hasn't found + # any files at that moment, clang-format will be called with an empty + # list of files and choke. Taking outfiles.txt from GTAD could be + # an option but this, too, must be done during the build stage, and + # there's no crossplatform way to use the contents of a file as + # input for a build target command. file(GLOB_RECURSE api_ALL_SRCS ${add_CONFIGURE_DEPENDS} ${FULL_CSAPI_DIR}/*.* lib/${ASAPI_DEF_DIR}/*.* @@ -242,6 +244,15 @@ if (MATRIX_DOC_PATH AND GTAD_PATH) endif() endif() +# Make no mistake: CMake cannot run gtad first and then populate the list of +# resulting api_SRCS files. In other words, placing the below statement after +# the block above will not lead to CMake magically reconfiguring the build +# after building the update-api target. CONFIGURE_DEPENDS somewhat helps, +# at least forcing the build system to reevaluate the glob before building +# the next target. Otherwise, you have to watch out if gtad has created +# new files and if it has, re-run cmake. +file(GLOB_RECURSE api_SRCS ${add_CONFIGURE_DEPENDS} ${FULL_CSAPI_DIR}/*.cpp) + set(tests_SRCS tests/quotest.cpp) add_library(${PROJECT_NAME} ${lib_SRCS} ${api_SRCS}) |