Make non-existence of (f)lex an error.
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@ -59,6 +59,14 @@ AC_PROG_CPP
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AC_PATH_XTRA
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AC_PATH_XTRA
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AC_PROG_YACC
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AC_PROG_YACC
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AC_PROG_LEX
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AC_PROG_LEX
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AC_CHECK_PROGS(XLEX,$LEX flex lex,none)
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if test "$XLEX" = "none"
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then
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echo "*** Error: No suitable lex found. ***"
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echo " Please install the 'flex' package."
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exit 1
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fi
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AC_DECL_YYTEXT
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AC_PROG_RANLIB
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AC_PROG_RANLIB
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AC_PROG_INSTALL
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AC_PROG_INSTALL
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AC_PROG_LN_S
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AC_PROG_LN_S
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@ -44,6 +44,9 @@
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/* Define if the X Window System is missing or not being used. */
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/* Define if the X Window System is missing or not being used. */
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#undef X_DISPLAY_MISSING
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#undef X_DISPLAY_MISSING
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/* Define if lex declares yytext as a char * by default, not a char[]. */
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#undef YYTEXT_POINTER
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/* Define if symbols declared in assembly code need an underscore prefix */
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/* Define if symbols declared in assembly code need an underscore prefix */
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#undef NEED_UNDERSCORE_PREFIX
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#undef NEED_UNDERSCORE_PREFIX
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