[历史归档]本文原发布于 cstriker1407.info 个人博客内容为历史存档仅供参考。发布时间2015-01-17 标题GNU Readline Library编译及简单分析分类编程 / C C 标签readlineGNU Readline Library编译及简单分析编译使用GNU Readline 是一个开源的程序库可以实现交互式的文本编辑功能。这里简单的笔记下如何编译和使用它。官网http://cnswww.cns.cwru.edu/php/chet/readline/rltop.html编译作者编译使用的linux版本是Ubuntu14.04x64版本。首先从官网上下载下来压缩文件。这里作者下载的版本是readline-6.3.tar.gz。根据INSTALL文件的介绍输入命令如下cstriker1407ubuntu1404x64:~$tar-zxfreadline-6.3.tar.gz#解压缩tar包cstriker1407ubuntu1404x64:~$cdreadline-6.3/ cstriker1407ubuntu1404x64:~/readline-6.3$ ./configure#生成头文件cstriker1407ubuntu1404x64:~/readline-6.3$makeeverything#编译所有文件cstriker1407ubuntu1404x64:~/readline-6.3$sudomakeinstall#使用root权限将编译好的库拷贝到系统中。如果过程中出现了错误/usr/bin/ld: cannot find -ltermcap可以安装一个软件命令如下cstriker1407ubuntu1404x64:~/readline-6.3$sudoapt-getinstalllibncurses5-dev使用压缩包中附带了很多例子这里看一个最简单的cstriker1407ubuntu1404x64:~/readline-6.3$cdexamples/ cstriker1407ubuntu1404x64:~/readline-6.3/examples$lsautoconf hist_erasedups histexamp.o Makefile rl.c rlcat.c rlfe rltest.c rlwrap-0.30.tar.gz excallback.c hist_erasedups.c hist_purgecmd Makefile.in rl-callbacktest rlcat.o rl-fgets.c rltest.o fileman hist_erasedups.o hist_purgecmd.c manexamp.c rl-callbacktest.c rlevent rl.o rlversion fileman.c histexamp hist_purgecmd.o readlinebuf.h rl-callbacktest.o rlevent.c rlptytest.c rlversion.c fileman.o histexamp.c Inputrc rl rlcat rlevent.o rltest rlversion.o cstriker1407ubuntu1404x64:~/readline-6.3/examples$ ./rlversion6.3这里分析下rlversion的源码有删改#ifdefined(HAVE_CONFIG_H)#includeconfig.h#endif#includestdio.h#includesys/types.h#includeposixstat.h#ifdefHAVE_STDLIB_H#includestdlib.h#elseexternvoidexit();#endif#ifdefREADLINE_LIBRARY#includereadline.h#else#includereadline/readline.h#endifmain(){printf(%s, rl_library_version ? rl_library_version : unknown);exit(0);}由于是下载的源码编译这里宏HAVE_CONFIG_H和READLINE_LIBRARY在makefile里面被定义了。如果是直接安装编译好的readline库应该可以省掉。来看下examples下面的makefile有删改RL_LIBRARY_VERSION 6.3 SHELL /bin/sh RM rm -f prefix /usr/local exec_prefix ${prefix} datarootdir ${prefix}/share bindir ${exec_prefix}/bin srcdir . datadir ${datarootdir} top_srcdir .. #BUILD_DIR . BUILD_DIR /home/cstriker1407/readline-6.3 installdir $(datadir)/readline INSTALL /usr/bin/install -c INSTALL_PROGRAM ${INSTALL} INSTALL_DATA ${INSTALL} -m 644 EXEEXT OBJEXT o # Support an alternate destination root directory for package building DESTDIR DEFS -DHAVE_CONFIG_H CC gcc CFLAGS -g -O LOCAL_CFLAGS -DREADLINE_LIBRARY -DRL_LIBRARY_VERSION$(RL_LIBRARY_VERSION) CPPFLAGS INCLUDES -I$(srcdir) -I$(top_srcdir) -I.. CCFLAGS $(DEFS) $(LOCAL_CFLAGS) $(CPPFLAGS) $(INCLUDES) $(CFLAGS) LDFLAGS -g -L.. -L./lib/termcap PURIFY READLINE_LIB ../libreadline.a HISTORY_LIB ../libhistory.a TERMCAP_LIB -ltermcap .c.o: ${RM} $ $(CC) $(CCFLAGS) -c $ SOURCES rlversion.c EXECUTABLES rlversion$(EXEEXT) OBJECTS rlversion.o OTHEREXE rlptytest$(EXEEXT) OTHEROBJ rlptytest.o all: $(EXECUTABLES) everything: all check: rlversion$(EXEEXT) echo Readline version: rlversion$(EXEEXT) installdirs: -$(SHELL) $(top_srcdir)/support/mkdirs $(DESTDIR)$(installdir) install: installdirs for f in $(SOURCES); do \ $(RM) $(DESTDIR)$(installdir)/$$f ; \ $(INSTALL_DATA) $(srcdir)/$$f $(DESTDIR)$(installdir) ; \ done uninstall: for f in $(SOURCES); do \ $(RM) $(DESTDIR)$(installdir)/$$f ; \ done -rmdir $(DESTDIR)$(installdir) rlversion$(EXEEXT): rlversion.o $(READLINE_LIB) $(CC) $(LDFLAGS) -o $ rlversion.o $(READLINE_LIB) $(TERMCAP_LIB) clean mostlyclean: $(RM) $(OBJECTS) $(OTHEROBJ) $(RM) $(EXECUTABLES) $(OTHEREXE) *.exe distclean maintainer-clean: clean $(RM) Makefile rlversion.o: rlversion.c rlversion.o: $(top_srcdir)/readline.h