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m4/pandora_warnings.m4
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dnl  Copyright (C) 2009 Sun Microsystems
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dnl This file is free software; Sun Microsystems
 
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dnl  Copyright (C) 2009 Sun Microsystems, Inc.
 
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dnl This file is free software; Sun Microsystems, Inc.
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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          [ac_cv_warnings_as_errors=yes],
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          [ac_cv_warnings_as_errors=no]))
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  AC_ARG_ENABLE([gcc-profile-mode],
 
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      [AS_HELP_STRING([--enable-gcc-profile-mode],
 
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         [Toggle gcc profile mode @<:@default=off@:>@])],
 
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      [ac_gcc_profile_mode="$enableval"],
 
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      [ac_gcc_profile_mode="no"])
 
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  AC_ARG_ENABLE([profiling],
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      [AS_HELP_STRING([--enable-profiling],
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         [Toggle profiling @<:@default=off@:>@])],
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            F_DIAGNOSTICS_SHOW_OPTION="-fdiagnostics-show-option"
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          ])
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    AC_CACHE_CHECK([whether it is safe to use -floop-parallelize-all],
 
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      [ac_cv_safe_to_use_floop_parallelize_all_],
 
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      [save_CFLAGS="$CFLAGS"
 
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       CFLAGS="-floop-parallelize-all ${AM_CFLAGS} ${CFLAGS}"
 
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       AC_COMPILE_IFELSE(
 
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         [AC_LANG_PROGRAM([],[])],
 
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         [ac_cv_safe_to_use_floop_parallelize_all_=yes],
 
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         [ac_cv_safe_to_use_floop_parallelize_all_=no])
 
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       CFLAGS="$save_CFLAGS"])
 
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    AS_IF([test "$ac_cv_safe_to_use_floop_parallelize_all_" = "yes"],
 
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          [
 
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            F_LOOP_PARALLELIZE_ALL="-floop-parallelize-all"
 
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          ])
 
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    NO_STRICT_ALIASING="-fno-strict-aliasing -Wno-strict-aliasing"
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    NO_SHADOW="-Wno-shadow"
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        [ac_cv_safe_to_use_Wextra_=no])
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      CFLAGS="$save_CFLAGS"])
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      BASE_WARNINGS="${W_FAIL} -pedantic -Wall -Wundef -Wshadow ${NO_UNUSED} ${F_DIAGNOSTICS_SHOW_OPTION} ${BASE_WARNINGS_FULL}"
 
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      BASE_WARNINGS="${W_FAIL} -pedantic -Wall -Wundef -Wshadow ${NO_UNUSED} ${F_DIAGNOSTICS_SHOW_OPTION} ${F_LOOP_PARALLELIZE_ALL} ${BASE_WARNINGS_FULL}"
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      AS_IF([test "$ac_cv_safe_to_use_Wextra_" = "yes"],
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            [BASE_WARNINGS="${BASE_WARNINGS} -Wextra"],
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            [BASE_WARNINGS="${BASE_WARNINGS} -W"])
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      dnl TODO: Figure out a better way to deal with this:
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      PROTOSKIP_WARNINGS="-Wno-effc++ -Wno-shadow -Wno-missing-braces ${NO_ATTRIBUTES}"
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      NO_WERROR="-Wno-error"
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      INNOBASE_SKIP_WARNINGS="-Wno-shadow -Wno-cast-align"
 
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      PERMISSIVE_WARNINGS="-Wno-error -Wno-unused-function -fpermissive"
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      AS_IF([test "$host_vendor" = "apple"],[
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        BOOSTSKIP_WARNINGS="-Wno-uninitialized"
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      ])
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    m4_if(PW_LESS_WARNINGS, [no],[
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      CC_WARNINGS_FULL="-erroff=E_INTEGER_OVERFLOW_DETECTED${W_PASTE_RESULT}"
 
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      CC_WARNINGS_FULL="-erroff=E_STATEMENT_NOT_REACHED,E_INTEGER_OVERFLOW_DETECTED${W_PASTE_RESULT}"
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      CXX_WARNINGS_FULL="-erroff=inllargeuse"
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    ],[
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      CC_WARNINGS_FULL="-erroff=E_ATTRIBUTE_NOT_VAR"
 
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      CC_WARNINGS_FULL="-erroff=E_ATTRIBUTE_NOT_VAR,E_STATEMENT_NOT_REACHED"
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      CXX_WARNINGS_FULL="-erroff=attrskipunsup,doubunder,reftotemp,inllargeuse,truncwarn1,signextwarn,inllargeint"
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    ])
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    CXX_WARNINGS="+w +w2 -xwe -xport64 -errtags=yes ${CXX_WARNINGS_FULL} ${W_FAIL}"
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    PROTOSKIP_WARNINGS="-erroff=attrskipunsup,doubunder,reftotemp,wbadinitl,identexpected,inllargeuse,truncwarn1,signextwarn,partinit,notused,badargtype2w,wbadinit"
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    BOOSTSKIP_WARNINGS="-erroff=attrskipunsup,doubunder,reftotemp,inllargeuse,truncwarn1,signextwarn,inllargeint,hidef,wvarhidenmem"
 
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    PERMISSIVE_WARNINGS="-erroff=attrskipunsup,doubunder,reftotemp,inllargeuse,truncwarn1,signextwarn,inllargeint,hidef,wvarhidenmem,notused,badargtype2w,wunreachable"
 
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    INNOBASE_SKIP_WARNINGS="-erroff=attrskipunsup,doubunder,reftotemp,wbadinitl,identexpected,inllargeuse,truncwarn1,signextwarn,partinit,notused,badargtype2w,wbadinit,wunreachable"
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    NO_UNREACHED="-erroff=E_STATEMENT_NOT_REACHED"
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    NO_WERROR="-errwarn=%none"
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  AC_SUBST(NO_EFF_CXX)
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  AC_SUBST(NO_OLD_STYLE_CAST)
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  AC_SUBST(PROTOSKIP_WARNINGS)
 
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  AC_SUBST(INNOBASE_SKIP_WARNINGS)
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  AC_SUBST(BOOSTSKIP_WARNINGS)
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  AC_SUBST(INNOBASE_SKIP_WARNINGS)
 
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  AC_SUBST(PERMISSIVE_WARNINGS)
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  AC_SUBST(NO_WERROR)
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  AC_SUBST([GCOV_LIBS])
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