X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7da2926d0733ff0683f31aeea176ce71e127264f..336add941c0b4c25b0ccf9083b3b2692478dc6d7:/tools/cmake/GCCFlags.cmake diff --git a/tools/cmake/GCCFlags.cmake b/tools/cmake/GCCFlags.cmake index 11d5cafd43..3ca730963d 100644 --- a/tools/cmake/GCCFlags.cmake +++ b/tools/cmake/GCCFlags.cmake @@ -11,27 +11,44 @@ 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 -Wno-format-nonliteral") 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() - 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 -Wno-format-nonliteral") 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() + # the one specific to C but refused by C++ + set(warnCFLAGS "${warnCFLAGS} -Wmissing-prototypes") + set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -Wall") 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) @@ -53,15 +70,17 @@ if(enable_lto) # User wants LTO. Try if we can do that 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() @@ -89,7 +108,7 @@ if(enable_lto) # User wants LTO, and it seems usable. Go for it # 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() @@ -103,14 +122,11 @@ if(enable_model-checking AND enable_compile_optimizations) 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/dict.cpp src/xbt/dict_elm.c src/xbt/dict_cursor.c + src/xbt/dynar.cpp 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/xbt_os_time.c src/xbt/xbt_os_thread.c - src/xbt/sha.c - src/xbt/matrix.c src/xbt/backtrace_linux.c ${MC_SRC_BASE} ${MC_SRC}) set (mcCFLAGS "-O3 -funroll-loops -fno-strict-aliasing") @@ -126,12 +142,8 @@ if(NOT enable_debug) 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} ${optCFLAGS}") # Try to make Mac a bit more complient to open source standards if(CMAKE_SYSTEM_NAME MATCHES "Darwin") @@ -153,6 +165,25 @@ if(enable_coverage) endif() endif() +if(enable_address_sanitizer) + set(CMAKE_C_FLAGS "${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) +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 "${CMAKE_C_LINK_FLAGS} -fsanitize=thread -no-pie") +endif() + +if(enable_undefined_sanitizer) + set(CMAKE_C_FLAGS "${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} $ENV{CFLAGS}") @@ -183,7 +214,7 @@ if(MINGW) set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "${CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS} -Wl,--add-stdcall-alias") # Specify the data model that we are using (yeah it may help Java) - if(ARCH_32_BITS) + 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()