search for includes in share/p4c

Signed-off-by: Chris Dodd <[email protected]>

Author: ChrisDodd

frontends/common/parser_options.cpp

@@ -380,9 +380,12 @@ std::vector<const char *> *ParserOptions::process(int argc, char *const argv[])
     this->exe_name = cstring(executablePath.stem().c_str());
 
     searchForIncludePath(p4_14includePath,
-                         {"p4_14include"_cs, "../p4_14include"_cs, "../../p4_14include"_cs},
+                         {"p4_14include"_cs, "../p4_14include"_cs, "../../p4_14include"_cs,
+                          "../share/p4c/p4_14include"_cs},
                          executablePath.c_str());
-    searchForIncludePath(p4includePath, {"p4include"_cs, "../p4include"_cs, "../../p4include"_cs},
+    searchForIncludePath(p4includePath,
+                         {"p4include"_cs, "../p4include"_cs, "../../p4include"_cs,
+                          "../share/p4c/p4include"_cs},
                          executablePath.c_str());
 
     auto *remainingOptions = Util::Options::process(argc, argv);