Abort if we do not find yacc or bison.
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10
configure.in
10
configure.in
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@ -55,6 +55,16 @@ 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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dnl **** Just additional warning checks, since AC_PROG just sets 'yacc' even
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dnl **** without one present.
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AC_CHECK_PROGS(XYACC,$YACC bison yacc,none)
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if test "$XYACC" = "none"
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then
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echo "*** Error: No suitable bison/yacc found. ***"
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echo " Please install the 'bison' package."
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exit 1
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fi
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AC_CHECK_PROGS(XLEX,$LEX flex lex,none)
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AC_CHECK_PROGS(XLEX,$LEX flex lex,none)
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if test "$XLEX" = "none"
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if test "$XLEX" = "none"
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then
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then
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