[BUG] build trunk error

gcc -g -O2   -I. -I../../src/gdb -I../../src/gdb/common
-I../../src/gdb/config -DLOCALEDIR="\"/usr/local/share/locale\""
-DHAVE_CONFIG_H -I../../src/gdb/../include/opcode
-I../../src/gdb/../opcodes/.. -I../../src/gdb/../readline/.. -I../bfd
-I../../src/gdb/../bfd -I../../src/gdb/../include -I../libdecnumber
-I../../src/gdb/../libdecnumber  -I../../src/gdb/gnulib -Ignulib
-DMI_OUT=1 -DTUI=1 -DGDBTK  -Wall -Wdeclaration-after-statement
-Wpointer-arith -Wformat-nonliteral -Wno-pointer-sign -Wno-unused
-Wunused-value -Wunused-function -Wno-switch -Wno-char-subscripts
-Werror -c -o gdbtk-hooks.o -MT gdbtk-hooks.o -MMD -MP -MF
.deps/gdbtk-hooks.Tpo -I../../src/gdb/../libgui/src
-I/home/teawater/gdb/cvs/src/tcl/generic
-I/home/teawater/gdb/cvs/src/tk/generic
-DGDBTK_LIBRARY=\"/usr/local/share/insight1.0\"
-DSRC_DIR=\"/home/teawater/gdb/cvs/src/gdb\"
../../src/gdb/gdbtk/generic/gdbtk-hooks.c
cc1: warnings being treated as errors
../../src/gdb/gdbtk/generic/gdbtk-hooks.c: In function 'gdbtk_add_hooks':
../../src/gdb/gdbtk/generic/gdbtk-hooks.c:126: error: passing argument
1 of 'observer_attach_breakpoint_created' from incompatible pointer
type
./observer.h:134: note: expected 'void (*)(struct breakpoint *)' but
argument is of type 'void (*)(int)'
../../src/gdb/gdbtk/generic/gdbtk-hooks.c:127: error: passing argument
1 of 'observer_attach_breakpoint_modified' from incompatible pointer
type
./observer.h:150: note: expected 'void (*)(struct breakpoint *)' but
argument is of type 'void (*)(int)'
../../src/gdb/gdbtk/generic/gdbtk-hooks.c:128: error: passing argument
1 of 'observer_attach_breakpoint_deleted' from incompatible pointer
type
./observer.h:142: note: expected 'void (*)(struct breakpoint *)' but
argument is of type 'void (*)(int)'
make: *** [gdbtk-hooks.o] Error 1