preproc.c compilation error

Hello all:
This is my first time mail to all, yesterday I tried to compile
postgresin my linux, but an error keep bother me.

env:

Ubuntu 13.10
Linux rugal-TM8473 3.11.0-15-generic #23-Ubuntu SMP Mon Dec 9 18:17:04 UTC
2013 x86_64 x86_64 x86_64 GNU/Linux
gcc version 4.8.1 (Ubuntu/Linaro 4.8.1-10ubuntu9)
bison (GNU Bison) 2.7.12-4996

version might be update to dated

[rugal(at)rugal-TM8473 postgresql]> git pull
Already up-to-date.

{
make -C preproc all
make[4]: Entering directory `/home/rugal/workspace/postgres
ql/src/interfaces/ecpg/preproc'
gcc -O2 -Wall -Wmissing-prototypes -Wpointer-arith
-Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute
-Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard
-pthread -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS
-DECPG_COMPILE -I../include -I../../../../src/interfaces/ecpg/include -I.
-I. -DMAJOR_VERSION=4 -DMINOR_VERSION=10 -DPATCHLEVEL=0
-I../../../../src/include -D_GNU_SOURCE -c -o preproc.o preproc.c -MMD
-MP -MF .deps/preproc.Po
In file included from preproc.y:15004:0:
pgc.l: In function ‘base_yylex’:
pgc.l:403:24: error: ‘ET_FATAL’ undeclared (first use in this function)
BEGIN(state_before);
^
pgc.l:403:24: note: each undeclared identifier is reported only once for
each function it appears in
In file included from preproc.y:15004:0:
pgc.l: In function ‘parse_include’:
pgc.l:1366:28: error: ‘ET_FATAL’ undeclared (first use in this function)
if (!yyin)
^
make[4]: *** [preproc.o] Error 1
}

This problem keep bothering even after I use
[./configure --enable-depend]

and I find a solution

--- a/src/interfaces/ecpg/preproc/type.h<http://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/interfaces/ecpg/preproc/type.h;h=b7768fd66146e16547f385d30272e2a42e4d6832;hb=b7768fd66146e16547f385d30272e2a42e4d6832>
+++ b/src/interfaces/ecpg/preproc/type.h<http://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/interfaces/ecpg/preproc/type.h;h=cd0d1da8c4a1a641acd9f6b6b7dfa88e7241394d;hb=cd0d1da8c4a1a641acd9f6b6b7dfa88e7241394d>
@@ -186,7<http://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/interfaces/ecpg/preproc/type.h;h=b7768fd66146e16547f385d30272e2a42e4d6832;hb=b7768fd66146e16547f385d30272e2a42e4d6832#l186>
+186,7<http://git.postgresql.org/gitweb/?p=postgresql.git;a=blob;f=src/interfaces/ecpg/preproc/type.h;h=cd0d1da8c4a1a641acd9f6b6b7dfa88e7241394d;hb=cd0d1da8c4a1a641acd9f6b6b7dfa88e7241394d#l186>@@
struct assignment

enum errortype
{
- ET_WARNING, ET_ERROR, ET_FATAL
+ ET_WARNING, ET_ERROR
};

After add this enum, ET_FATAL . compilation become successful!
Is there any mistakes or typos with the latest version?

regard!