執行範例程式的前置作業
如果你在編譯全部的範例程式時發生下面這個錯誤，請試著安裝 libpca-dev：
aron@aaron-Virtual-Machine:/tmp/tlpi-sample/tlpi-dist/lib$ make
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o cap_functions.o cap_functions.c
In file included from cap_functions.c:20:
cap_functions.h:22:10: fatal error: sys/capability.h: No such file or directory
22 | #include <sys/capability.h>
| ^~~~~~~~~~~~~~~~~~
compilation terminated.
make: *** [<builtin>: cap_functions.o] Error 1如果你使用的是 Ubuntu Linux 系統，可以直接使用 apt-get 安裝
$ sudo apt-get install libcap-dev然後編譯 TLPI 的 library，執行結果如下：
$ cd tlpi-dist/lib
$ make
aaron@aaron-Virtual-Machine:/tmp/tlpi-sample/tlpi-dist/lib$ make
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o alt_functions.o alt_functions.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o become_daemon.o become_daemon.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o binary_sems.o binary_sems.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o cap_functions.o cap_functions.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o create_pid_file.o create_pid_file.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o curr_time.o curr_time.c
sh Build_ename.sh > ename.c.inc
echo 1>&2 "ename.c.inc built"
ename.c.inc built
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o error_functions.o error_functions.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o event_flags.o event_flags.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o file_perms.o file_perms.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o get_num.o get_num.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o inet_sockets.o inet_sockets.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o itimerspec_from_str.o itimerspec_from_str.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o print_rlimit.o print_rlimit.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o print_rusage.o print_rusage.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o print_wait_status.o print_wait_status.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o pty_fork.o pty_fork.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o pty_master_open.o pty_master_open.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o rdwrn.o rdwrn.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o read_line.o read_line.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o read_line_buf.o read_line_buf.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o region_locking.o region_locking.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o scm_functions.o scm_functions.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o signal.o signal.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o signal_functions.o signal_functions.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o tty_functions.o tty_functions.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o ugid_functions.o ugid_functions.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o unix_sockets.o unix_sockets.c
cc -std=c99 -D_XOPEN_SOURCE=600 -D_DEFAULT_SOURCE -g -I../lib -pedantic -Wall -W -Wmissing-prototypes -Wno-sign-compare -Wimplicit-fallthrough -Wno-unused-parameter -c -o userns_functions.o userns_functions.c
rm -f ../libtlpi.a
ar rs ../libtlpi.a *.o
ar: creating ../libtlpi.a上面的最後一行，可以看到有產生 TLPI 的靜態函式庫 (libtlpi.a)。
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