Until we need the newer re2c, don't insist on it.

starseeker · cshorler · commit fceb57390c42 · 2021-08-15T09:22:59.000+01:00
BRL-CAD's supporting system for building this will need some updates
once we require a newer re2c - to make testing easier in the meantime,
don't require the newer version.
diff --git a/cmake/SC_Regenerate.cmake b/cmake/SC_Regenerate.cmake
@@ -29,9 +29,9 @@ endif()
 if(NOT "${SC_GENERATE_LEXER_PARSER}" STREQUAL "OFF")
   # NOTE: lemon doesn't have a stable versioning system (it's always 1)
   find_package(LEMON ${_verbosity})
-  find_package(RE2C 1.0.3 ${_verbosity})
+  find_package(RE2C ${_verbosity})
   find_package(PERPLEX ${_verbosity})
-  
+
   if(LEMON_FOUND AND RE2C_FOUND)
     set(SC_GENERATE_LP_SOURCES 1)
     message(".. Found re2c, and lemon - can regenerate lexer/parser if necessary")
