diff --git a/configure.in b/configure.in index 4a7a5b6f6..e333b6c07 100644 --- a/configure.in +++ b/configure.in @@ -10,9 +10,13 @@ AC_CHECK_TOOL(STRIP, strip, true) AC_CHECK_PROGS(XGPERF,gperf,none) if test "$XGPERF" = "none" then - echo "*** Error: No suitable gperf found. ***" - echo " Please install the 'gperf' package." - exit 1 + echo "" + echo "*** Warning: No suitable gperf found. ***" + echo " The gperf package is essential for building ivl from" + echo " CVS sources, or modifying the parse engine of ivl itself." + echo " You can get away without it when simply building from" + echo " snapshots or major releases." + echo "" fi AC_CHECK_PROGS(LEX,flex,none)