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71 lines
2.2 KiB
Text
71 lines
2.2 KiB
Text
dnl handle various error-related things
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dnl Thomas Vander Stichele <thomas@apestaart.org>
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dnl Last modification: 2005-10-16
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dnl AG_GST_SET_ERROR_CFLAGS([ADD-WERROR])
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dnl AG_GST_SET_LEVEL_DEFAULT([IS-CVS-VERSION])
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dnl Sets ERROR_CFLAGS to something the compiler will accept.
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dnl AC_SUBST them so they are available in Makefile
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dnl -Wall is added if it is supported
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dnl -Werror is added if ADD-WERROR is not "no"
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dnl These flags can be overridden at make time:
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dnl make ERROR_CFLAGS=
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AC_DEFUN([AG_GST_SET_ERROR_CFLAGS],
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[
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AC_REQUIRE([AC_PROG_CC])
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AC_REQUIRE([AS_COMPILER_FLAG])
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dnl if we support -Wall, set it unconditionally
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AS_COMPILER_FLAG(-Wall,
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ERROR_CFLAGS="-Wall",
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ERROR_CFLAGS="")
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dnl if asked for, add -Werror if supported
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if test "x$1" != "xno"
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then
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AS_COMPILER_FLAG(-Werror, ERROR_CFLAGS="$ERROR_CFLAGS -Werror")
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dnl if -Werror isn't suported
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if test "x$ERROR_CFLAGS" == "x"
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then
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dnl try -errwarn=%all,no%E_EMPTY_DECLARATION,no%E_STATEMENT_NOT_REACHED (Sun Forte case)
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dnl For Forte we need disable "empty declaration" warning produced by un-needed semicolon
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dnl "statement not reached" disabled because there is g_assert_not_reached () in some places
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AS_COMPILER_FLAG([-errwarn=%all,no%E_EMPTY_DECLARATION,no%E_STATEMENT_NOT_REACHED],
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[ERROR_CFLAGS="-errwarn=%all,no%E_EMPTY_DECLARATION,no%E_STATEMENT_NOT_REACHED"])
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dnl if this also isn't suported, try only for -errwarn=%all
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if test "x$ERROR_CFLAGS" == "x"
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then
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AS_COMPILER_FLAG(-errwarn=%all,
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ERROR_CFLAGS="-errwarn=%all")
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fi
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fi
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fi
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AC_SUBST(ERROR_CFLAGS)
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AC_MSG_NOTICE([set ERROR_CFLAGS to $ERROR_CFLAGS])
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])
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dnl Sets the default error level for debugging messages
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AC_DEFUN([AG_GST_SET_LEVEL_DEFAULT],
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[
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dnl define correct errorlevel for debugging messages. We want to have
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dnl GST_ERROR messages printed when running cvs builds
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if test "x[$1]" = "xyes"; then
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GST_LEVEL_DEFAULT=GST_LEVEL_ERROR
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else
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GST_LEVEL_DEFAULT=GST_LEVEL_NONE
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fi
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AC_DEFINE_UNQUOTED(GST_LEVEL_DEFAULT, $GST_LEVEL_DEFAULT,
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[Default errorlevel to use])
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dnl AC_SUBST so we can use it for win32/common/config.h
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AC_SUBST(GST_LEVEL_DEFAULT)
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])
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