Hi Leiyu I don¡¯t know the exact problem but I can suggest changing the environment variable LD_LIBRARY_PATH $ export LD_LIBRARY_PATH=/bluez/bluez-libs/lib Try this. Probably it should work. Regards, Sumeet -----Original Message----- From: leiyu [mailto:leiyu@kcoe.cn] Sent: Wednesday, July 25, 2007 12:17 PM To: Bluez-Users; sumeet Subject: RE: [Bluez-users]RE¡êocross-compile bluez-utils-3.9 Dear Sumeet, I add the option --includedir and --libdir to the configure string ./configure --prefix=/bluez/bluez-uitls --host=arm-linux --includedir=/bluez/bluez-libs/include --libdir=/bluez/bluez-libs/lib but it have the same error sdp-xml.c:36:27: bluetooth/sdp.h: no such file or directory sdp-xml.c:37:31: bluetooth/sdp_lib.h: no such file or directory it's very strange, I feel ashamed to bother you again , thank you very much Best regards, Leiyu