dnl Copyright (C) 2009 Sun Microsystems, Inc. dnl This file is free software; Sun Microsystems, Inc. dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. dnl AC_PANDORA_WARNINGS([less-warnings|warnings-always-on]) dnl less-warnings turn on a limited set of warnings dnl warnings-always-on always set warnings=error regardless of tarball/vc dnl @TODO: remove less-warnings option as soon as Drizzle is clean enough to dnl allow it AC_DEFUN([PANDORA_WARNINGS],[ m4_define([PW_LESS_WARNINGS],[no]) m4_define([PW_WARN_ALWAYS_ON],[no]) ifdef([m4_define],,[define([m4_define], defn([define]))]) ifdef([m4_undefine],,[define([m4_undefine], defn([undefine]))]) m4_foreach([pw_arg],[$*],[ m4_case(pw_arg, [less-warnings],[ m4_undefine([PW_LESS_WARNINGS]) m4_define([PW_LESS_WARNINGS],[yes]) ], [warnings-always-on],[ m4_undefine([PW_WARN_ALWAYS_ON]) m4_define([PW_WARN_ALWAYS_ON],[yes]) ]) ]) AC_REQUIRE([PANDORA_BUILDING_FROM_VC]) m4_if(PW_WARN_ALWAYS_ON, [yes], [ac_cv_warnings_as_errors=yes], AS_IF([test "$pandora_building_from_vc" = "yes"], [ac_cv_warnings_as_errors=yes], [ac_cv_warnings_as_errors=no])) AC_ARG_ENABLE([gcc-profile-mode], [AS_HELP_STRING([--enable-gcc-profile-mode], [Toggle gcc profile mode @<:@default=off@:>@])], [ac_gcc_profile_mode="$enableval"], [ac_gcc_profile_mode="no"]) AC_ARG_ENABLE([profiling], [AS_HELP_STRING([--enable-profiling], [Toggle profiling @<:@default=off@:>@])], [ac_profiling="$enableval"], [ac_profiling="no"]) AC_ARG_ENABLE([coverage], [AS_HELP_STRING([--enable-coverage], [Toggle coverage @<:@default=off@:>@])], [ac_coverage="$enableval"], [ac_coverage="no"]) AS_IF([test "$GCC" = "yes"],[ AS_IF([test "$ac_profiling" = "yes"],[ CC_PROFILING="-pg" GCOV_LIBS="-pg -lgcov" save_LIBS="${LIBS}" LIBS="" AC_CHECK_LIB(c_p, read) LIBC_P="${LIBS}" LIBS="${save_LIBS}" AC_SUBST(LIBC_P) ],[ CC_PROFILING=" " ]) AS_IF([test "$ac_coverage" = "yes"], [ CC_COVERAGE="--coverage" GCOV_LIBS="-lgcov" ]) AS_IF([test "$ac_cv_warnings_as_errors" = "yes"], [W_FAIL="-Werror"]) AC_CACHE_CHECK([whether it is safe to use -fdiagnostics-show-option], [ac_cv_safe_to_use_fdiagnostics_show_option_], [save_CFLAGS="$CFLAGS" CFLAGS="-fdiagnostics-show-option ${AM_CFLAGS} ${CFLAGS}" AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([],[])], [ac_cv_safe_to_use_fdiagnostics_show_option_=yes], [ac_cv_safe_to_use_fdiagnostics_show_option_=no]) CFLAGS="$save_CFLAGS"]) AS_IF([test "$ac_cv_safe_to_use_fdiagnostics_show_option_" = "yes"], [ F_DIAGNOSTICS_SHOW_OPTION="-fdiagnostics-show-option" ]) AC_CACHE_CHECK([whether it is safe to use -floop-parallelize-all], [ac_cv_safe_to_use_floop_parallelize_all_], [save_CFLAGS="$CFLAGS" CFLAGS="-floop-parallelize-all ${AM_CFLAGS} ${CFLAGS}" AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([],[])], [ac_cv_safe_to_use_floop_parallelize_all_=yes], [ac_cv_safe_to_use_floop_parallelize_all_=no]) CFLAGS="$save_CFLAGS"]) AS_IF([test "$ac_cv_safe_to_use_floop_parallelize_all_" = "yes"], [ F_LOOP_PARALLELIZE_ALL="-floop-parallelize-all" ]) NO_STRICT_ALIASING="-fno-strict-aliasing -Wno-strict-aliasing" NO_SHADOW="-Wno-shadow" AS_IF([test "$INTELCC" = "yes"],[ m4_if(PW_LESS_WARNINGS,[no],[ BASE_WARNINGS="-w1 -Werror -Wcheck -Wp64 -Woverloaded-virtual -Wcast-qual -diag-disable 188" ],[ dnl 2203 is like old-style-cast dnl 1684 is like strict-aliasing dnl 188 is about using enums as bitfields dnl 1683 is a warning about _EXPLICIT_ casting, which we want BASE_WARNINGS="-w1 -Werror -Wcheck -Wp64 -Woverloaded-virtual -Wcast-qual -diag-disable 188,981,2259,2203,1683,1684" ]) CC_WARNINGS="${BASE_WARNINGS}" CXX_WARNINGS="${BASE_WARNINGS}" PROTOSKIP_WARNINGS="-diag-disable 188,981,967,2259,1683,1684,2203" ],[ m4_if(PW_LESS_WARNINGS,[no],[ BASE_WARNINGS_FULL="${W_CONVERSION} -Wstrict-aliasing" CC_WARNINGS_FULL="-Wswitch-default -Wswitch-enum -Wwrite-strings" CXX_WARNINGS_FULL="-Weffc++ -Wold-style-cast" NO_OLD_STYLE_CAST="-Wno-old-style-cast" NO_EFF_CXX="-Wno-effc++" ],[ BASE_WARNINGS_FULL="${NO_STRICT_ALIASING}" ]) AS_IF([test "${ac_cv_assert}" = "no"], [NO_UNUSED="-Wno-unused-variable -Wno-unused-parameter"]) AC_CACHE_CHECK([whether it is safe to use -Wextra], [ac_cv_safe_to_use_Wextra_], [save_CFLAGS="$CFLAGS" CFLAGS="${W_FAIL} -pedantic -Wextra ${AM_CFLAGS} ${CFLAGS}" AC_COMPILE_IFELSE([ AC_LANG_PROGRAM( [[ #include ]], [[]]) ], [ac_cv_safe_to_use_Wextra_=yes], [ac_cv_safe_to_use_Wextra_=no]) CFLAGS="$save_CFLAGS"]) BASE_WARNINGS="${W_FAIL} -pedantic -Wall -Wswitch-enum -Wundef -Wshadow ${NO_UNUSED} ${F_DIAGNOSTICS_SHOW_OPTION} ${F_LOOP_PARALLELIZE_ALL} ${BASE_WARNINGS_FULL}" AS_IF([test "$ac_cv_safe_to_use_Wextra_" = "yes"], [BASE_WARNINGS="${BASE_WARNINGS} -Wextra"], [BASE_WARNINGS="${BASE_WARNINGS} -W"]) AC_CACHE_CHECK([whether it is safe to use -Wformat], [ac_cv_safe_to_use_wformat_], [save_CFLAGS="$CFLAGS" dnl Use -Werror here instead of ${W_FAIL} so that we don't spew dnl conversion warnings to all the tarball folks CFLAGS="-Wformat -Werror -pedantic ${AM_CFLAGS} ${CFLAGS}" AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[ #include #include #include void foo(); void foo() { uint64_t test_u= 0; printf("This is a %" PRIu64 "test\n", test_u); } ]],[[ foo(); ]])], [ac_cv_safe_to_use_wformat_=yes], [ac_cv_safe_to_use_wformat_=no]) CFLAGS="$save_CFLAGS"]) AS_IF([test "$ac_cv_safe_to_use_wformat_" = "yes"],[ BASE_WARNINGS="${BASE_WARNINGS} -Wformat -Wno-format-nonliteral -Wno-format-security" BASE_WARNINGS_FULL="${BASE_WARNINGS_FULL} -Wformat=2 -Wno-format-nonliteral -Wno-format-security" ],[ BASE_WARNINGS="${BASE_WARNINGS} -Wno-format" BASE_WARNINGS_FULL="${BASE_WARNINGS_FULL} -Wno-format" ]) AC_CACHE_CHECK([whether it is safe to use -Wconversion], [ac_cv_safe_to_use_wconversion_], [save_CFLAGS="$CFLAGS" dnl Use -Werror here instead of ${W_FAIL} so that we don't spew dnl conversion warnings to all the tarball folks CFLAGS="-Wconversion -Werror -pedantic ${AM_CFLAGS} ${CFLAGS}" AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([[ #include void foo(bool a) { (void)a; } ]],[[ foo(0); ]])], [ac_cv_safe_to_use_wconversion_=yes], [ac_cv_safe_to_use_wconversion_=no]) CFLAGS="$save_CFLAGS"]) AS_IF([test "$ac_cv_safe_to_use_wconversion_" = "yes"], [W_CONVERSION="-Wconversion" AC_CACHE_CHECK([whether it is safe to use -Wconversion with htons], [ac_cv_safe_to_use_Wconversion_], [save_CFLAGS="$CFLAGS" dnl Use -Werror here instead of ${W_FAIL} so that we don't spew dnl conversion warnings to all the tarball folks CFLAGS="-Wconversion -Werror -pedantic ${AM_CFLAGS} ${CFLAGS}" AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[ #include ]],[[ uint16_t x= htons(80); ]])], [ac_cv_safe_to_use_Wconversion_=yes], [ac_cv_safe_to_use_Wconversion_=no]) CFLAGS="$save_CFLAGS"]) AS_IF([test "$ac_cv_safe_to_use_Wconversion_" = "no"], [NO_CONVERSION="-Wno-conversion"]) ]) CC_WARNINGS="${BASE_WARNINGS} -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wmissing-declarations -Wcast-align ${CC_WARNINGS_FULL}" CXX_WARNINGS="${BASE_WARNINGS} -Woverloaded-virtual -Wnon-virtual-dtor -Wctor-dtor-privacy -Wno-long-long ${CXX_WARNINGS_FULL}" AC_CACHE_CHECK([whether it is safe to use -Wmissing-declarations from C++], [ac_cv_safe_to_use_Wmissing_declarations_], [AC_LANG_PUSH(C++) save_CXXFLAGS="$CXXFLAGS" CXXFLAGS="-Werror -pedantic -Wmissing-declarations ${AM_CXXFLAGS}" AC_COMPILE_IFELSE([ AC_LANG_PROGRAM( [[ #include ]], [[]]) ], [ac_cv_safe_to_use_Wmissing_declarations_=yes], [ac_cv_safe_to_use_Wmissing_declarations_=no]) CXXFLAGS="$save_CXXFLAGS" AC_LANG_POP() ]) AS_IF([test "$ac_cv_safe_to_use_Wmissing_declarations_" = "yes"], [CXX_WARNINGS="${CXX_WARNINGS} -Wmissing-declarations"]) AC_CACHE_CHECK([whether it is safe to use -Wframe-larger-than], [ac_cv_safe_to_use_Wframe_larger_than_], [AC_LANG_PUSH(C++) save_CXXFLAGS="$CXXFLAGS" CXXFLAGS="-Werror -pedantic -Wframe-larger-than=32768 ${AM_CXXFLAGS}" AC_COMPILE_IFELSE([ AC_LANG_PROGRAM( [[ #include ]], [[]]) ], [ac_cv_safe_to_use_Wframe_larger_than_=yes], [ac_cv_safe_to_use_Wframe_larger_than_=no]) CXXFLAGS="$save_CXXFLAGS" AC_LANG_POP() ]) AS_IF([test "$ac_cv_safe_to_use_Wframe_larger_than_" = "yes"], [CXX_WARNINGS="${CXX_WARNINGS} -Wframe-larger-than=32768"]) AC_CACHE_CHECK([whether it is safe to use -Wlogical-op], [ac_cv_safe_to_use_Wlogical_op_], [save_CFLAGS="$CFLAGS" CFLAGS="${W_FAIL} -pedantic -Wlogical-op ${AM_CFLAGS} ${CFLAGS}" AC_COMPILE_IFELSE([ AC_LANG_PROGRAM( [[ #include ]], [[]]) ], [ac_cv_safe_to_use_Wlogical_op_=yes], [ac_cv_safe_to_use_Wlogical_op_=no]) CFLAGS="$save_CFLAGS"]) AS_IF([test "$ac_cv_safe_to_use_Wlogical_op_" = "yes"], [CC_WARNINGS="${CC_WARNINGS} -Wlogical-op"]) AC_CACHE_CHECK([whether it is safe to use -Wredundant-decls from C++], [ac_cv_safe_to_use_Wredundant_decls_], [AC_LANG_PUSH(C++) save_CXXFLAGS="${CXXFLAGS}" CXXFLAGS="${W_FAIL} -pedantic -Wredundant-decls ${AM_CXXFLAGS}" AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([ template struct C { void foo(); }; template void C::foo() { } template <> void C::foo(); AC_INCLUDES_DEFAULT])], [ac_cv_safe_to_use_Wredundant_decls_=yes], [ac_cv_safe_to_use_Wredundant_decls_=no]) CXXFLAGS="${save_CXXFLAGS}" AC_LANG_POP()]) AS_IF([test "$ac_cv_safe_to_use_Wredundant_decls_" = "yes"], [CXX_WARNINGS="${CXX_WARNINGS} -Wredundant-decls"], [CXX_WARNINGS="${CXX_WARNINGS} -Wno-redundant-decls"]) AC_CACHE_CHECK([whether it is safe to use -Wattributes from C++], [ac_cv_safe_to_use_Wattributes_], [AC_LANG_PUSH(C++) save_CXXFLAGS="${CXXFLAGS}" CXXFLAGS="${W_FAIL} -pedantic -Wattributes -fvisibility=hidden ${AM_CXXFLAGS}" AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([ #include #include const ::google::protobuf::EnumDescriptor* Table_TableOptions_RowType_descriptor(); enum Table_TableOptions_RowType { Table_TableOptions_RowType_ROW_TYPE_DEFAULT = 0, Table_TableOptions_RowType_ROW_TYPE_FIXED = 1, Table_TableOptions_RowType_ROW_TYPE_DYNAMIC = 2, Table_TableOptions_RowType_ROW_TYPE_COMPRESSED = 3, Table_TableOptions_RowType_ROW_TYPE_REDUNDANT = 4, Table_TableOptions_RowType_ROW_TYPE_COMPACT = 5, Table_TableOptions_RowType_ROW_TYPE_PAGE = 6 }; namespace google { namespace protobuf { template <> inline const EnumDescriptor* GetEnumDescriptor() { return Table_TableOptions_RowType_descriptor(); } } } ])], [ac_cv_safe_to_use_Wattributes_=yes], [ac_cv_safe_to_use_Wattributes_=no]) CXXFLAGS="${save_CXXFLAGS}" AC_LANG_POP()]) AC_CACHE_CHECK([whether it is safe to use -Wno-attributes], [ac_cv_safe_to_use_Wno_attributes_], [save_CFLAGS="$CFLAGS" CFLAGS="${W_FAIL} -pedantic -Wno_attributes_ ${AM_CFLAGS} ${CFLAGS}" AC_COMPILE_IFELSE([ AC_LANG_PROGRAM( [[ #include ]], [[]]) ], [ac_cv_safe_to_use_Wno_attributes_=yes], [ac_cv_safe_to_use_Wno_attributes_=no]) CFLAGS="$save_CFLAGS"]) dnl GCC 3.4 doesn't have -Wno-attributes, so we can't turn them off dnl by using that. AS_IF([test "$ac_cv_safe_to_use_Wattributes_" != "yes"],[ AS_IF([test "$ac_cv_safe_to_use_Wno_attributes_" = "yes"],[ CC_WARNINGS="${CC_WARNINGS} -Wno-attributes" NO_ATTRIBUTES="-Wno-attributes"])]) NO_REDUNDANT_DECLS="-Wno-redundant-decls" dnl TODO: Figure out a better way to deal with this: PROTOSKIP_WARNINGS="-Wno-effc++ -Wno-shadow -Wno-missing-braces ${NO_ATTRIBUTES}" NO_WERROR="-Wno-error" PERMISSIVE_WARNINGS="-Wno-error -Wno-unused-function -fpermissive" AS_IF([test "$host_vendor" = "apple"],[ BOOSTSKIP_WARNINGS="-Wno-uninitialized" ]) ]) ]) AS_IF([test "$SUNCC" = "yes"],[ AS_IF([test "$ac_profiling" = "yes"], [CC_PROFILING="-xinstrument=datarace"]) AS_IF([test "$ac_cv_warnings_as_errors" = "yes"], [W_FAIL="-errwarn=%all"]) AC_CACHE_CHECK([whether E_PASTE_RESULT_NOT_TOKEN is usable], [ac_cv_paste_result], [ save_CFLAGS="${CFLAGS}" CFLAGS="-errwarn=%all -erroff=E_PASTE_RESULT_NOT_TOKEN ${CFLAGS}" AC_COMPILE_IFELSE( [AC_LANG_PROGRAM([ AC_INCLUDES_DEFAULT ],[ int x= 0;])], [ac_cv_paste_result=yes], [ac_cv_paste_result=no]) CFLAGS="${save_CFLAGS}" ]) AS_IF([test $ac_cv_paste_result = yes], [W_PASTE_RESULT=",E_PASTE_RESULT_NOT_TOKEN"]) m4_if(PW_LESS_WARNINGS, [no],[ CC_WARNINGS_FULL="-erroff=E_STATEMENT_NOT_REACHED,E_INTEGER_OVERFLOW_DETECTED${W_PASTE_RESULT}" CXX_WARNINGS_FULL="-erroff=inllargeuse" ],[ CC_WARNINGS_FULL="-erroff=E_ATTRIBUTE_NOT_VAR,E_STATEMENT_NOT_REACHED" CXX_WARNINGS_FULL="-erroff=attrskipunsup,doubunder,reftotemp,inllargeuse,truncwarn1,signextwarn,inllargeint" ]) CC_WARNINGS="-v -errtags=yes ${W_FAIL} ${CC_WARNINGS_FULL}" CXX_WARNINGS="+w +w2 -xwe -xport64 -errtags=yes ${CXX_WARNINGS_FULL} ${W_FAIL}" PROTOSKIP_WARNINGS="-erroff=attrskipunsup,doubunder,reftotemp,wbadinitl,identexpected,inllargeuse,truncwarn1,signextwarn,partinit,notused,badargtype2w,wbadinit" BOOSTSKIP_WARNINGS="-erroff=attrskipunsup,doubunder,reftotemp,inllargeuse,truncwarn1,signextwarn,inllargeint,hidef,wvarhidenmem" PERMISSIVE_WARNINGS="-erroff=attrskipunsup,doubunder,reftotemp,inllargeuse,truncwarn1,signextwarn,inllargeint,hidef,wvarhidenmem,notused,badargtype2w,wunreachable" INNOBASE_SKIP_WARNINGS="-erroff=attrskipunsup,doubunder,reftotemp,wbadinitl,identexpected,inllargeuse,truncwarn1,signextwarn,partinit,notused,badargtype2w,wbadinit,wunreachable" NO_UNREACHED="-erroff=E_STATEMENT_NOT_REACHED" NO_WERROR="-errwarn=%none" ]) AC_SUBST(NO_CONVERSION) AC_SUBST(NO_REDUNDANT_DECLS) AC_SUBST(NO_UNREACHED) AC_SUBST(NO_SHADOW) AC_SUBST(NO_STRICT_ALIASING) AC_SUBST(NO_EFF_CXX) AC_SUBST(NO_OLD_STYLE_CAST) AC_SUBST(PROTOSKIP_WARNINGS) AC_SUBST(INNOBASE_SKIP_WARNINGS) AC_SUBST(BOOSTSKIP_WARNINGS) AC_SUBST(PERMISSIVE_WARNINGS) AC_SUBST(NO_WERROR) AC_SUBST([GCOV_LIBS]) ])