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Viewing changes to m4/pandora_visibility.m4

Merge Monty - fix bug 709948 Can't run drizzle on OSX when building with visibility flag

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m4/pandora_visibility.m4
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AC_DEFUN([PANDORA_CHECK_VISIBILITY],
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[
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  AC_REQUIRE([AC_PROG_CC])
 
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  AC_REQUIRE([PANDORA_PLATFORM])
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  CFLAG_VISIBILITY=
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  HAVE_VISIBILITY=0
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  AS_IF([test -n "$GCC"],[
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         extern __attribute__((__visibility__("default"))) int exportedvar;
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         extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void);
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         extern __attribute__((__visibility__("default"))) int exportedfunc (void);],
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        [],
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        [gl_cv_cc_visibility=yes],
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        [gl_cv_cc_visibility=no])
 
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        [],[
 
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        case "$host_os" in
 
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          *darwin*)
 
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            gl_cv_cc_visibility=no
 
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            ;;
 
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          *)
 
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            gl_cv_cc_visibility=yes
 
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            ;;
 
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        esac
 
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        ],[gl_cv_cc_visibility=no])
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      CFLAGS="$gl_save_CFLAGS"])
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    AC_MSG_RESULT([$gl_cv_cc_visibility])
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    if test $gl_cv_cc_visibility = yes; then