add ibus supprot

Makefile

@@ -1,15 +1,17 @@
 CC = 9c
 LD = 9l
-CFLAGS = -Wall -Wextra -O2 -g
+DBUS_CFLAGS := $(shell pkg-config --cflags dbus-1)
+DBUS_LIBS := $(shell pkg-config --libs dbus-1)
+CFLAGS = -Wall -Wextra -O2 -g $(DBUS_CFLAGS)
 PROG = strans
 
 SRCS = $(wildcard *.c)
 OBJS = $(SRCS:.c=.o)
 
-all: $(PROG) xim bench 
+all: $(PROG) xim bench
 
 $(PROG): $(OBJS)
-	$(LD) -o $@ $(OBJS) -lthread -lString -lbio -lxcb -lm
+	$(LD) -o $@ $(OBJS) -lthread -lString -lbio -lxcb -lm $(DBUS_LIBS)
 
 $(OBJS): dat.h fn.h ipc.h