Hi, I am using the latest version of LTP ltp-full-20100228. During make all, the compile check_mqns_enable.c complains "mqueue.h: No such file or directory." Could you please tell me how to fix this? I am greatly appreciate your help. Regards, Anthony Ton Error output: ========= ar -rc "libclone.a" libclone.o ranlib "libclone.a" make[5]: Leaving directory `/home/etonant/linux-test-project/ltp-full-20100228/testcases/kernel/containers/libclone' gcc -g -O2 -g -O2 -fno-strict-aliasing -pipe -Wall -I/home/etonant/linux-test-project/ltp-full-20100228/testcases/kernel/include -I/home/etonant/linux-test-project/ltp-full-20100228/testcases/kernel/containers/mqns/../libclone -I../../../../include -I../../../../include -L/home/etonant/linux-test-project/ltp-full-20100228/testcases/kernel/containers/mqns/../libclone -L../../../../lib check_mqns_enabled.c -lpthread -lrt -lclone -lltp -o check_mqns_enabled In file included from check_mqns_enabled.c:25: mqns.h:5:20: mqueue.h: No such file or directory check_mqns_enabled.c: In function `main': check_mqns_enabled.c:35: error: `mqd_t' undeclared (first use in this function) check_mqns_enabled.c:35: error: (Each undeclared identifier is reported only once check_mqns_enabled.c:35: error: for each function it appears in.) check_mqns_enabled.c:35: error: syntax error before "mqd" check_mqns_enabled.c:40: warning: implicit declaration of function `mq_unlink' check_mqns_enabled.c:41: error: `mqd' undeclared (first use in this function) check_mqns_enabled.c:41: warning: implicit declaration of function `mq_open' check_mqns_enabled.c:41: error: `O_RDWR' undeclared (first use in this function) check_mqns_enabled.c:41: error: `O_CREAT' undeclared (first use in this function) check_mqns_enabled.c:41: error: `O_EXCL' undeclared (first use in this function) check_mqns_enabled.c:46: warning: implicit declaration of function `mq_close' make[4]: *** [check_mqns_enabled] Error 1 make[4]: Leaving directory `/home/etonant/linux-test-project/ltp-full-20100228/testcases/kernel/containers/mqns' make[3]: *** [all] Error 2 make[3]: Leaving directory `/home/etonant/linux-test-project/ltp-full-20100228/testcases/kernel/containers' make[2]: *** [all] Error 2 make[2]: Leaving directory `/home/etonant/linux-test-project/ltp-full-20100228/testcases/kernel' make[1]: *** [all] Error 2 make[1]: Leaving directory `/home/etonant/linux-test-project/ltp-full-20100228/testcases' make: *** [testcases-all] Error 2 etonant@lxlogin-4-300 Config.log: ======= Config.h: ======= Config.mak ======== Configure output: ============