##
## These flags do break some classical CMake tests, so you don't
## want to do so before the very end of the configuration.
-##
+##
## Other compiler flags (C/C++ standard version) are tested and set
## by the beginning of the configuration, directly in ~/CMakeList.txt
set(warnCFLAGS "")
set(optCFLAGS "")
-
-
+set(warnCXXFLAGS "")
if(enable_compile_warnings)
- set(warnCFLAGS "-fno-common -Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wno-format-nonliteral -Werror ")
+ set(warnCFLAGS "-fno-common -Wall -Wunused -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing")
+ if(CMAKE_COMPILER_IS_GNUCC AND (NOT (CMAKE_C_COMPILER_VERSION VERSION_LESS "5.0")))
+ set(warnCFLAGS "${warnCFLAGS} -Wformat-signedness")
+ endif()
+ if(CMAKE_C_COMPILER_ID MATCHES "Clang|GCC")
+ set(warnCFLAGS "${warnCFLAGS} -Wno-format-nonliteral")
+ endif()
if(CMAKE_COMPILER_IS_GNUCC)
- set(warnCFLAGS "${warnCFLAGS}-Wclobbered -Wno-error=clobbered ")
+ set(warnCFLAGS "${warnCFLAGS} -Wclobbered -Wno-error=clobbered -Wno-unused-local-typedefs -Wno-error=attributes")
+ endif()
+ if (CMAKE_CXX_COMPILER_ID MATCHES "Intel")
+ # ignore remark #1418: external function definition with no prior declaration
+ # 3179: deprecated conversion of string literal to char* (should be const char*)
+ # 191: type qualifier is meaningless on cast type
+ # 597: entity-kind "entity" will not be called for implicit or explicit conversions
+ set(warnCFLAGS "${warnCFLAGS} -wd1418 -wd191 -wd3179 -ww597")
endif()
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wunused -Wpointer-arith -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wno-format-nonliteral -Werror")
+ set(warnCXXFLAGS "${warnCFLAGS} -Wall -Wextra -Wunused -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing")
+ if(CMAKE_COMPILER_IS_GNUCXX AND (NOT (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "5.0")))
+ set(warnCFLAGS "${warnCFLAGS} -Wformat-signedness")
+ endif()
+ if(CMAKE_CXX_COMPILER_ID MATCHES "Clang|GCC")
+ set(warnCXXFLAGS "${warnCXXFLAGS} -Wno-format-nonliteral")
+ endif()
if(CMAKE_COMPILER_IS_GNUCXX)
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wclobbered -Wno-error=clobbered")
+ set(warnCXXFLAGS "${warnCXXFLAGS} -Wclobbered -Wno-error=clobbered -Wno-unused-local-typedefs -Wno-error=attributes")
endif()
- if (CMAKE_CXX_COMPILER_ID MATCHES "Clang") # don't care about class that become struct
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-mismatched-tags")
+ if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+ # don't care about class that become struct, avoid issue of empty C structs
+ # size (coming from libunwind.h)
+ set(warnCXXFLAGS "${warnCXXFLAGS} -Wno-mismatched-tags -Wno-extern-c-compat")
endif()
- set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -Wall")
+ # the one specific to C but refused by C++
+ set(warnCFLAGS "${warnCFLAGS} -Wmissing-prototypes")
+
+ if(CMAKE_Fortran_COMPILER_ID MATCHES "GCC|PGI")
+ set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -Wall")
+ endif()
+ if(CMAKE_Fortran_COMPILER_ID MATCHES "Intel")
+ set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -warn all")
+ endif()
set(CMAKE_JAVA_COMPILE_FLAGS "-Xlint")
endif()
+# NDEBUG gives a lot of "initialized but unused variables" errors. Don't die anyway.
+if(enable_compile_warnings AND enable_debug)
+ set(warnCFLAGS "${warnCFLAGS} -Werror")
+ set(warnCXXFLAGS "${warnCXXFLAGS} -Werror")
+endif()
+
+# Activate the warnings on #if FOOBAR when FOOBAR has no value
+# It breaks on FreeBSD within Boost headers, so activate this only in Pure Hardcore debug mode.
+if(enable_maintainer_mode)
+ set(warnCFLAGS "${warnCFLAGS} -Wundef")
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wundef")
+endif()
+
# Se the optimisation flags
# NOTE, we should CMAKE_BUILD_TYPE for this
if(enable_compile_optimizations)
set(optCFLAGS "${optCFLAGS} -finline-functions ")
endif()
+# Do not leak the current directory into the binaries
+if(CMAKE_COMPILER_IS_GNUCC)
+ execute_process(COMMAND realpath --relative-to=${CMAKE_BINARY_DIR} ${CMAKE_SOURCE_DIR}
+ RESULT_VARIABLE RESULT OUTPUT_VARIABLE RELATIVE_SOURCE_DIR ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
+ if(RESULT EQUAL 0)
+ message(STATUS "Relative source directory is \"${RELATIVE_SOURCE_DIR}\".")
+ else()
+ message(WARNING "Failed to find relative source directory. Using \".\".")
+ set(RELATIVE_SOURCE_DIR ".")
+ endif()
+ set(optCFLAGS "${optCFLAGS} -fdebug-prefix-map=${CMAKE_SOURCE_DIR}=${RELATIVE_SOURCE_DIR}")
+endif()
+
# Configure LTO
# NOTE, cmake 3.0 has a INTERPROCEDURAL_OPTIMIZATION target
# property for this (http://www.cmake.org/cmake/help/v3.0/prop_tgt/INTERPROCEDURAL_OPTIMIZATION.html)
-if(enable_lto) # User wants LTO. Try if we can do that
+if(enable_lto) # User wants LTO. Try if we can do that
set(enable_lto OFF)
if(enable_compile_optimizations
AND CMAKE_COMPILER_IS_GNUCC
AND (NOT enable_model-checking))
- if(WIN32)
- if (COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.8")
- # On windows, we need 4.8 or higher to enable lto because of http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50293
- #
- # We are experiencing assertion failures even with 4.8 on MinGW.
- # Push the support forward: will see if 4.9 works when we test it.
- set(enable_lto ON)
- endif()
- elseif(LINKER_VERSION STRGREATER "2.22")
+ # On windows, we need 4.8 or higher to enable lto because of http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50293
+ # We are experiencing assertion failures even with 4.8 on MinGW.
+ # Push the support forward: will see if 4.9 works when we test it.
+ #
+ # On Linux, we got the following with GCC 4.8.4 on Centos and Ubuntu
+ # lto1: internal compiler error: in output_die, at dwarf2out.c:8478
+ # Please submit a full bug report, with preprocessed source if appropriate.
+ # So instead, we push the support forward
+
+ if ( (CMAKE_C_COMPILER_VERSION VERSION_GREATER "4.8.5")
+ AND (LINKER_VERSION VERSION_GREATER "2.22"))
set(enable_lto ON)
endif()
endif()
if(enable_lto)
- message("-- LTO seems usable.")
+ message(STATUS "LTO seems usable.")
else()
if(NOT enable_compile_optimizations)
- message("-- LTO disabled: Compile-time optimizations turned off.")
- else()
+ message(STATUS "LTO disabled: Compile-time optimizations turned off.")
+ else()
if(enable_model-checking)
- message("-- LTO disabled when compiling with model-checking.")
+ message(STATUS "LTO disabled when compiling with model-checking.")
else()
- message("-- LTO does not seem usable -- try updating your build chain.")
- endif()
+ message(STATUS "LTO does not seem usable -- try updating your build chain.")
+ endif()
endif()
endif()
else()
- message("-- LTO disabled on the command line.")
+ message(STATUS "LTO disabled on the command line.")
endif()
if(enable_lto) # User wants LTO, and it seems usable. Go for it
set(optCFLAGS "${optCFLAGS} -flto ")
# these objects you have to use the gcc wrappers:
# gcc-ar, gcc-nm and gcc-ranlib."
if(${CMAKE_C_COMPILER_ID} STREQUAL "GNU"
- AND COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.8")
+ AND CMAKE_C_COMPILER_VERSION VERSION_GREATER "4.8")
set (CMAKE_AR gcc-ar)
set (CMAKE_RANLIB gcc-ranlib)
endif()
set(optCFLAGS "-O0 ")
# But you can still optimize this:
foreach(s
+ src/kernel/lmm/fair_bottleneck.cpp src/kernel/lmm/lagrange.cpp src/kernel/lmm/maxmin.cpp
src/xbt/mmalloc/mm.c
src/xbt/log.c src/xbt/xbt_log_appender_file.c
src/xbt/xbt_log_layout_format.c src/xbt/xbt_log_layout_simple.c
- src/xbt/dict.c src/xbt/dict_elm.c src/xbt/dict_multi.c src/xbt/dict_cursor.c
- src/xbt/set.c src/xbt/setset.c
- src/xbt/dynar.c src/xbt/fifo.c src/xbt/heap.c src/xbt/swag.c
- src/xbt/str.c src/xbt/strbuff.c src/xbt/snprintf.c
- src/xbt/queue.c
+ src/xbt/dict.cpp src/xbt/dict_elm.c src/xbt/dict_cursor.c
+ src/xbt/dynar.cpp
+ src/xbt/xbt_str.cpp src/xbt/snprintf.c
src/xbt/xbt_os_time.c src/xbt/xbt_os_thread.c
- src/xbt/sha.c
- src/xbt/matrix.c
- src/xbt/backtrace_linux.c
+ src/xbt/backtrace_linux.cpp
${MC_SRC_BASE} ${MC_SRC})
set (mcCFLAGS "-O3 -funroll-loops -fno-strict-aliasing")
if(CMAKE_COMPILER_IS_GNUCC)
endforeach()
endif()
+if (CMAKE_C_COMPILER_ID MATCHES "Intel")
+ # honor parentheses when determining the order of expression evaluation.
+ set(optCFLAGS "${optCFLAGS} -fprotect-parens ")
+endif()
+
if(NOT enable_debug)
set(CMAKE_C_FLAGS "-DNDEBUG ${CMAKE_C_FLAGS}")
set(CMAKE_CXX_FLAGS "-DNDEBUG ${CMAKE_CXX_FLAGS}")
endif()
-if(enable_msg_deprecated)
- set(CMAKE_C_FLAGS "-DMSG_USE_DEPRECATED ${CMAKE_C_FLAGS}")
-endif()
-
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${optCFLAGS} ${warnCFLAGS}")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${optCFLAGS}")
+set(CMAKE_C_FLAGS "${warnCFLAGS} ${CMAKE_C_FLAGS} ${optCFLAGS}")
+set(CMAKE_CXX_FLAGS "${warnCXXFLAGS} ${CMAKE_CXX_FLAGS} ${optCFLAGS}")
# Try to make Mac a bit more complient to open source standards
if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE=700 -D_DARWIN_C_SOURCE")
endif()
+# Avoid a failure seen with gcc 7.2.0 and ns3 3.27
+if(enable_ns3)
+ set_source_files_properties(src/surf/network_ns3.cpp PROPERTIES COMPILE_FLAGS " -Wno-unused-local-typedef")
+endif()
+
set(TESH_OPTION "")
if(enable_coverage)
find_program(GCOV_PATH gcov)
if(GCOV_PATH)
set(COVERAGE_COMMAND "${GCOV_PATH}" CACHE TYPE FILEPATH FORCE)
+ set(COVERAGE_EXTRA_FLAGS "-l -p")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DCOVERAGE")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs -ftest-coverage")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fprofile-arcs -ftest-coverage")
set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fprofile-arcs -ftest-coverage")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
- set(TESH_OPTION --enable-coverage)
add_definitions(-fprofile-arcs -ftest-coverage)
endif()
endif()
+if(enable_address_sanitizer)
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fno-omit-frame-pointer")
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fno-omit-frame-pointer")
+ set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -fsanitize=address")
+ set(TESH_OPTION --enable-sanitizers)
+ try_compile(HAVE_SANITIZER_ADDRESS ${CMAKE_BINARY_DIR} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_asan.cpp)
+ try_compile(HAVE_SANITIZER_ADDRESS_FIBER_SUPPORT ${CMAKE_BINARY_DIR} ${CMAKE_HOME_DIRECTORY}/tools/cmake/test_prog/prog_asan.cpp
+ COMPILE_DEFINITIONS -DCHECK_FIBER_SUPPORT)
+else()
+ set(HAVE_SANITIZER_ADDRESS FALSE CACHE INTERNAL "")
+ set(HAVE_SANITIZER_ADDRESS_FIBER_SUPPORT FALSE CACHE INTERNAL "")
+endif()
+
+if(enable_thread_sanitizer)
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=thread -fno-omit-frame-pointer -no-pie")
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=thread -fno-omit-frame-pointer -no-pie")
+ set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -fsanitize=thread -no-pie")
+ set(HAVE_SANITIZER_THREAD TRUE CACHE INTERNAL "")
+else()
+ set(HAVE_SANITIZER_THREAD FALSE CACHE INTERNAL "")
+endif()
+
+if(enable_undefined_sanitizer)
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=undefined -fno-omit-frame-pointer")
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=undefined -fno-omit-frame-pointer")
+ set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -fsanitize=undefined")
+endif()
+
if(NOT $ENV{CFLAGS} STREQUAL "")
message(STATUS "Add CFLAGS: \"$ENV{CFLAGS}\" to CMAKE_C_FLAGS")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} $ENV{CFLAGS}")
endif()
if(MINGW)
- # http://stackoverflow.com/questions/10452262/create-64-bit-jni-under-windows
- # We don't want to ship libgcc_s_seh-1.dll nor libstdc++-6.dll
+ # http://stackoverflow.com/questions/10452262/create-64-bit-jni-under-windows
+ # We don't want to ship libgcc_s_seh-1.dll nor libstdc++-6.dll
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -static-libgcc")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static-libgcc -static-libstdc++")
-
+ set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "${CMAKE_SHARED_LIBRARY_LINK_C_FLAGS} -static-libgcc")
+ set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "${CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS} -static-libgcc -static-libstdc++")
+
# JNI searches for stdcalls
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wl,--add-stdcall-alias")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wl,--add-stdcall-alias")
+ set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "${CMAKE_SHARED_LIBRARY_LINK_C_FLAGS} -Wl,--add-stdcall-alias")
+ set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "${CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS} -Wl,--add-stdcall-alias")
+
+ # Specify the data model that we are using (yeah it may help Java)
+ if(CMAKE_SIZEOF_VOID_P EQUAL 4) # 32 bits
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m32")
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32")
+ else()
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -m64")
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m64")
+ endif()
endif()
