X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/539916de848562683cf2e5425d5160c2a43f135a..3e39df11f9163e4e421be8d8fc31b71eacf8f6fe:/buildtools/Cmake/Flags.cmake diff --git a/buildtools/Cmake/Flags.cmake b/buildtools/Cmake/Flags.cmake index d45e7f9305..b3dc83771c 100644 --- a/buildtools/Cmake/Flags.cmake +++ b/buildtools/Cmake/Flags.cmake @@ -1,29 +1,58 @@ set(warnCFLAGS "") set(optCFLAGS "") -if(NOT __VISUALC__ AND NOT __BORLANDC__) - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-std=gnu99 -g3") - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}-g3") - set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -g") +## +## Request full debugging flags +## +set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3") +set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g3") +set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -g") + +## +## We need a decent support of the c++11 standard +## +include(CheckCXXCompilerFlag) +CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11) +if(COMPILER_SUPPORTS_CXX11) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11") else() - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}/Zi") - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}/Zi") + message(FATAL_ERROR + "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. " + "Please use a decent C++ compiler.") endif() +if (CMAKE_COMPILER_IS_GNUCC) + if (COMPILER_CXX_VERSION_MAJOR_MINOR STRLESS "4.7") + message(FATAL_ERROR + "SimGrid needs g++ version 4.7 to compile " + "(c++11 support of previous versions is too limited).") + endif() +endif() + +### +### And we need C11 standard, too +### +include(CheckCCompilerFlag) +CHECK_C_COMPILER_FLAG("-std=gnu11" COMPILER_SUPPORTS_C11) +if(COMPILER_SUPPORTS_C11) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11") +else() + message(FATAL_ERROR + "The compiler ${CMAKE_C_COMPILER} has no C11 support. " + "Please use a decent C compiler " + "(note that c++11 support of ${CMAKE_CXX_COMPILER} seems ok).") +endif() + if(enable_compile_warnings) set(warnCFLAGS "-fno-common -Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wno-format-nonliteral -Werror ") - if(CMAKE_C_COMPILER_ID STREQUAL "GNU") + if(CMAKE_COMPILER_IS_GNUCC) set(warnCFLAGS "${warnCFLAGS}-Wclobbered -Wno-error=clobbered ") - if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5") - set(warnCFLAGS "${warnCFLAGS}-Wno-error=unused-but-set-variable ") - endif() - if(COMPILER_C_VERSION_MAJOR_MINOR STREQUAL "4.6") - #some old compilers emit bogus warnings here, see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45978 . Avoid failing the build in this case - set(warnCFLAGS "${warnCFLAGS}-Wno-error=array-bounds") - endif() endif() - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wunused -Wpointer-arith -Wchar-subscripts -Wcomment -Wno-unknown-warning-option -Wformat -Wwrite-strings -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wclobbered -Wno-error=clobbered -Wno-format-nonliteral -Werror") + set(CMAKE_CXX_FLAGS "${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") + if(CMAKE_COMPILER_IS_GNUCXX) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wclobbered -Wno-error=clobbered") + endif() set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -Wall") # FIXME: Q&D hack @@ -41,7 +70,7 @@ if(enable_compile_optimizations) endif() else() # On non-windows, 4.6 is enough for that - if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5" AND LINKER_VERSION STRGREATER "2.22") + if(LINKER_VERSION STRGREATER "2.22") set(optCFLAGS "${optCFLAGS} -flto ") endif() endif() @@ -63,16 +92,19 @@ if(enable_model-checking AND enable_compile_optimizations) set(optCFLAGS "-O0 ") # But you can still optimize this: foreach(s - # src/xbt/mmalloc/mm.c - # src/xbt/snprintf.c src/xbt/log.c - # src/xbt/dynar.c - # src/xbt/set.c src/xbt/setset.c - # src/xbt/backtrace_linux.c - src/mc/mc_dwarf_expression.c src/mc/mc_dwarf.c src/mc/mc_member.c - src/mc/mc_snapshot.c src/mc/mc_page_store.cpp src/mc/mc_page_snapshot.cpp - src/mc/mc_compare.cpp src/mc/mc_diff.c - src/mc/mc_dwarf.c src/mc/mc_dwarf_attrnames.h src/mc/mc_dwarf_expression.c src/mc/mc_dwarf_tagnames.h - src/mc/mc_set.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/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} ${MC_SRC}) set (mcCFLAGS "-O3 -funroll-loops -fno-strict-aliasing") if(CMAKE_COMPILER_IS_GNUCC) set (mcCFLAGS "${mcCFLAGS} -finline-functions") @@ -81,11 +113,6 @@ if(enable_model-checking AND enable_compile_optimizations) endforeach() endif() -if(enable_mc_content_adressable_pages) - set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DMC_PAGE_STORE_MD4") - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DMC_PAGE_STORE_MD4") -endif() - if(APPLE AND COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.6") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations") set(optCFLAGS "-O0 ") @@ -106,7 +133,7 @@ set(CMAKE_CXX_FLAGS "${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") + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE=700 -D_DARWIN_C_SOURCE") endif() set(TESH_OPTION "")