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Viewing changes to m4/pandora_warnings.m4

  • Committer: Prafulla Tekawade
  • Date: 2010-08-22 06:26:33 UTC
  • mfrom: (1685.40.6 staging)
  • Revision ID: prafulla_t@users.sourceforge.net-20100822062633-rda0zeuhg6nhyyom
Merge from trunk

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m4/pandora_warnings.m4
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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 -Wformat],
 
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      [ac_cv_safe_to_use_wformat_],
 
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      [save_CFLAGS="$CFLAGS"
 
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       dnl Use -Werror here instead of ${W_FAIL} so that we don't spew
 
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       dnl conversion warnings to all the tarball folks
 
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       CFLAGS="-Wconversion -Werror -pedantic ${AM_CFLAGS} ${CFLAGS}"
 
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       AC_COMPILE_IFELSE(
 
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         [AC_LANG_PROGRAM([[
 
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#include <stdio.h>
 
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#include <stdint.h>
 
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#include <inttypes.h>
 
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void foo(bool a)
 
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{
 
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  uint64_t test_u= 0;
 
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  printf("This is a %" PRIu64 "test\n", test_u);
 
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}
 
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         ]],[[
 
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foo(0);
 
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         ]])],
 
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         [ac_cv_safe_to_use_wformat_=yes],
 
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         [ac_cv_safe_to_use_wformat_=no])
 
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       CFLAGS="$save_CFLAGS"])
 
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    AS_IF([test "$ac_cv_safe_to_use_wformat_" = "yes"],[
 
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      W_FORMAT="-Wformat"
 
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      W_FORMAT_2="-Wformat=2"
 
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      NO_FORMAT="-Wno-format"
 
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      ],[
 
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      W_FORMAT="-Wno-format"
 
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      W_FORMAT_2="-Wno-format"
 
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      NO_FORMAT="-Wno-format"
 
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    ])
 
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    AC_CACHE_CHECK([whether it is safe to use -Wconversion],
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      [ac_cv_safe_to_use_wconversion_],
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      [save_CFLAGS="$CFLAGS"
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    AS_IF([test "$INTELCC" = "yes"],[
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      m4_if(PW_LESS_WARNINGS,[no],[
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        BASE_WARNINGS="-w1 -Werror -Wcheck -Wformat -Wp64 -Woverloaded-virtual -Wcast-qual"
 
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        BASE_WARNINGS="-w1 -Werror -Wcheck ${W_FORMAT} -Wp64 -Woverloaded-virtual -Wcast-qual"
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      ],[
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        BASE_WARNINGS="-w1 -Wcheck -Wformat -Wp64 -Woverloaded-virtual -Wcast-qual -diag-disable 981"
 
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        BASE_WARNINGS="-w1 -Wcheck ${W_FORMAT} -Wp64 -Woverloaded-virtual -Wcast-qual -diag-disable 981"
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      ])
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      CC_WARNINGS="${BASE_WARNINGS}"
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      CXX_WARNINGS="${BASE_WARNINGS}"
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    ],[
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      m4_if(PW_LESS_WARNINGS,[no],[
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        BASE_WARNINGS_FULL="-Wformat=2 ${W_CONVERSION} -Wstrict-aliasing"
 
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        BASE_WARNINGS_FULL="${W_FORMAT_2} ${W_CONVERSION} -Wstrict-aliasing"
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        CC_WARNINGS_FULL="-Wswitch-default -Wswitch-enum -Wwrite-strings"
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        CXX_WARNINGS_FULL="-Weffc++ -Wold-style-cast"
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        NO_OLD_STYLE_CAST="-Wno-old-style-cast"
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        NO_EFF_CXX="-Wno-effc++"
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      ],[
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        BASE_WARNINGS_FULL="-Wformat ${NO_STRICT_ALIASING}"
 
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        BASE_WARNINGS_FULL="${W_FORMAT_2} ${NO_STRICT_ALIASING}"
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      ])
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      AS_IF([test "${ac_cv_assert}" = "no"],
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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} ${CFLAG_VISIBILITY} ${BASE_WARNINGS_FULL}"
 
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      BASE_WARNINGS="${W_FAIL} -pedantic -Wall -Wundef -Wshadow ${NO_UNUSED} ${F_DIAGNOSTICS_SHOW_OPTION} ${BASE_WARNINGS_FULL}"
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      AS_IF([test "$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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      CXX_WARNINGS_FULL="-erroff=attrskipunsup,doubunder,reftotemp,inllargeuse,truncwarn1,signextwarn,inllargeint"
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    ])
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    CC_WARNINGS="-v -errtags=yes ${W_FAIL} ${CC_WARNINGS_FULL} ${CFLAG_VISIBILITY}"
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    CXX_WARNINGS="+w +w2 -xwe -xport64 -errtags=yes ${CXX_WARNINGS_FULL} ${W_FAIL} ${CFLAG_VISIBILITY}"
 
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    CC_WARNINGS="-v -errtags=yes ${W_FAIL} ${CC_WARNINGS_FULL}"
 
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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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    NO_UNREACHED="-erroff=E_STATEMENT_NOT_REACHED"