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Viewing changes to configure.ac

  • Committer: Brian Aker
  • Date: 2008-07-15 20:14:05 UTC
  • mfrom: (77.1.112 codestyle)
  • Revision ID: brian@tangent.org-20080715201405-hov2omn1y8k5r00o
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configure.ac
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fi
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AC_SUBST(LD_VERSION_SCRIPT)
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#--------------------------------------------------------------------
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# Check for libevent
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#--------------------------------------------------------------------
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AC_CHECK_LIB(pthread, pthread_create, [], [AC_MSG_ERROR(could not find libpthread)])
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#--------------------------------------------------------------------
 
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# Check for tcmalloc
 
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#--------------------------------------------------------------------
 
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AC_ARG_ENABLE([tcmalloc],
 
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    [AS_HELP_STRING([--enable-tcmalloc],
 
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       [Enable linking with tcmalloc @<:@default=off@:>@])],
 
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    [ac_warn_strict_aliasing="$enableval"],
 
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    [ac_warn_strict_aliasing="no"])
 
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if test "x$ac_warn_strict_aliasing" = "xyes"
 
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then
 
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  AC_CHECK_LIB(tcmalloc,malloc,[],[])
 
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fi
 
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#--------------------------------------------------------------------
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# Check for libz
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#--------------------------------------------------------------------
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  dnl Only check the header here, because autoconf can't handle
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  dnl checking for C++ methods without C linkages
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  AC_CHECK_HEADERS(pcrecpp.h)
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  if test "x$ac_cv_header_prcecpp_h" = "xno" 
 
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  if test "x$ac_cv_header_pcrecpp_h" != "xyes" 
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  then
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    found_pcre="no"
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  else
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    [ac_warn_pedantic="yes"])
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AC_ARG_ENABLE([fail],
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    [AS_HELP_STRING([--enable-fail],
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       [Turn warnings into failures @<:@default=off@:>@])],
 
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    [AS_HELP_STRING([--disable-fail],
 
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       [Turn warnings into failures @<:@default=on@:>@])],
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    [ac_warn_fail="$enableval"],
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    [ac_warn_fail="no"])
 
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    [ac_warn_fail="yes"])
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AC_ARG_ENABLE([unreachable],
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    [AS_HELP_STRING([--enable-unreachable],
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    [ac_warn_unreachable="$enableval"],
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    [ac_warn_unreachable="no"])
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AC_ARG_ENABLE([longlong-warnings],
 
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    [AS_HELP_STRING([--enable-longlong-warnings],
 
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       [Enable warnings about longlong in C++ @<:@default=off@:>@])],
 
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    [ac_warn_longlong="$enableval"],
 
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    [ac_warn_longlong="no"])
 
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AC_ARG_ENABLE([strict-aliasing],
 
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    [AS_HELP_STRING([--enable-strict-aliasing],
 
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       [Enable warnings about stict-aliasing @<:@default=off@:>@])],
 
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    [ac_warn_strict_aliasing="$enableval"],
 
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    [ac_warn_strict_aliasing="no"])
 
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if test "$GCC" = "yes"
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then
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  GCC_WARNINGS="-W -Wall -Wextra"
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  GXX_WARNINGS="${GCC_WARNINGS}"
 
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  if test "$ac_warn_longlong" = "yes"
 
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  then
 
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    W_LONGLONG="-Wlong-long"
 
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  else
 
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    W_LONGLONG="-Wno-long-long"
 
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  fi
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  if test "$ac_warn_strict_aliasing" = "yes"
 
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  then
 
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    W_STRICT_ALIASING="-Wstrict-aliasing"
 
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  else
 
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    W_STRICT_ALIASING="-Wno-strict-aliasing"
 
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  fi
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  if test "$ac_warn_pedantic" = "yes"
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  then
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    GCC_WARNINGS="${GCC_WARNINGS}  -std=gnu99 -pedantic -Wundef -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls -Wno-strict-aliasing "
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    GXX_WARNINGS="${GXX_WARNINGS}  -std=gnu++98 -pedantic -Wundef -Wredundant-decls -Wno-long-long -Wno-strict-aliasing"
 
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    GCC_PEDANTIC="-pedantic -Wundef -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls ${W_STRICT_ALIASING}"
 
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    GXX_PEDANTIC="-pedantic -Wundef -Wredundant-decls ${W_LONGLONG} ${W_STRICT_ALIASING}"
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  fi
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  if test "$ac_warn_unreachable" = "yes"
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  then
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    GCC_WARNINGS="${GCC_WARNINGS} -Wunreachable-code"
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    GXX_WARNINGS="${GXX_WARNINGS} -Wunreachable-code"
 
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    W_UNREACHABLE="-Wunreachable-code"
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  fi
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  if test "$ac_warn_fail" = "yes"
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  then
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    GCC_WARNINGS="${GCC_WARNINGS} -Werror"
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    GXX_WARNINGS="${GXX_WARNINGS} -Werror"
 
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    W_FAIL="-Werror"
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  fi
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    CXXFLAGS="$CXXFLAGS ${GXX_WARNINGS}"
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    CFLAGS="$CFLAGS ${GCC_WARNINGS} "
 
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  BASE_WARNINGS="-W -Wall -Wextra"
 
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  GCC_WARNINGS="${BASE_WARNINGS} -std=gnu99 ${GCC_PEDANTIC} ${W_UNREACHABLE} ${W_FAIL}"
 
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  GXX_WARNINGS="${BASE_WARNINGS} -std=gnu++98 ${GXX_PEDANTIC} ${W_UNREACHABLE} ${W_FAIL}"
 
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  CXXFLAGS="$CXXFLAGS ${GXX_WARNINGS}"
 
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  CFLAGS="$CFLAGS ${GCC_WARNINGS} "
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fi
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# Some usefull subst