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plugin/innobase/plugin.ac
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         *solaris*|*SunOS*)
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           AM_CFLAGS="$AM_CFLAGS -DUNIV_SOLARIS";;
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  esac
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  INNODB_DYNAMIC_CFLAGS="-DDRIZZLE_DYNAMIC_PLUGIN"
 
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  INNODB_DYNAMIC_CFLAGS="-DPANDORA_DYNAMIC_PLUGIN"
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  case "$target_cpu" in
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        x86_64)
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                # The AMD64 ABI forbids absolute addresses in shared libraries
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      AC_MSG_RESULT(no)
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    ]
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    )
 
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dnl Must be done once we turn on warnings and such
 
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AC_CACHE_CHECK(
 
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  [whether __attribute__ visibility "hidden" is supported],
 
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  [ac_cv_can_use_hidden_],[
 
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    AC_LANG_PUSH(C++)
 
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    save_CXXFLAGS="${CXXFLAGS}"
 
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    CXXFLAGS="${AM_CXXFLAGS} ${CXXFLAGS}"
 
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    AC_LINK_IFELSE([
 
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      AC_LANG_PROGRAM(
 
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        [[
 
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__attribute__((visibility ("hidden")))
 
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void testme() {  }
 
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        ]],[[testme()]]
 
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      )],  
 
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      [ac_cv_can_use_hidden_=yes],
 
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      [ac_cv_can_use_hidden_=no])
 
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    CXXFLAGS="${save_CXXFLAGS}"
 
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    AC_LANG_POP()])
 
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AS_IF([test "$ac_cv_can_use_hidden_" = "yes"],[
 
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  AC_DEFINE(HAVE_ATTR_HIDDEN, 1,
 
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  [Define to 1 if you have support for __attribute__((visibility("hidden")))])
 
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])
 
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  ])
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AC_INNODB_ACTIONS