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Add the iwyu target to get information on unused headers

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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()