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Add the iwyu target to get information on unused headers 

With this change, building the iwyu target will provide information
on unused headers, which can be removed to reduce compilation times.
This commit is contained in:
Martijn Otto 2019-09-05 17:27:12 +02:00
parent 1b93cb74bb
commit 7de6671dc2
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1 changed files with 13 additions and 0 deletions
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13
CMakeLists.txt
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@ -27,6 +27,9 @@
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# #
# Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers # Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
list(INSERT CMAKE_MODULE_PATH 0 list(INSERT CMAKE_MODULE_PATH 0
"${CMAKE_SOURCE_DIR}/cmake") "${CMAKE_SOURCE_DIR}/cmake")
include(CheckCCompilerFlag) include(CheckCCompilerFlag)
@ -1048,3 +1051,13 @@ option(INSTALL_VENDORED_LIBUNBOUND "Install libunbound binary built from source
CHECK_C_COMPILER_FLAG(-std=c11 HAVE_C11) CHECK_C_COMPILER_FLAG(-std=c11 HAVE_C11)
find_package(PythonInterp)
find_program(iwyu_tool_path NAMES iwyu_tool.py iwyu_tool)
if (iwyu_tool_path AND PYTHONINTERP_FOUND)
add_custom_target(iwyu
COMMAND "${PYTHON_EXECUTABLE}" "${iwyu_tool_path}" -p "${CMAKE_BINARY_DIR}" -- --no_fwd_decls
COMMENT "Running include-what-you-use tool"
VERBATIM
)
endif()