pango1.0.sh exit code 1——cygwin安装小问题

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最近在windows上用cygwin安装NS2遇到点小问题，如下是解决方案，做一下备忘。

pango1.0.sh exit code 1

http://sourceforge.net/mailarchive/forum.php?set=custom&viewmonth=&viewday=&forum_name=cygwin-ports-general&style=nested&submit=Change+View

[Cygwin-ports-general] pango1.0.sh exit code 1

From: Martin Baute <solar@ro...> - 2013-01-23 08:42

Hi there,recently we did a couple of "fresh" Cygwin installations, andcame across an issue.Some package dragged in libpango1.0 as dependency. That noteable'spostinstall script fails with exit code 1, causing some confusion.Some inspection of /etc/postinstall/pango1.0.sh quickly showed thereason:/usr/bin/pango-querymodules > /etc/pango/pango.modulesThe directory /etc/pango does not exist. Creating it beforehandresolves the error.Regards,-- Martin Bautesolar@...

另一个小问题：

安装ns2时，gcc不能工作，使用gcc编译一个.c文件也不行，说缺少库，终于找到解决办法

http://wangjunle23.blog.163.com/blog/static/117838171201110853555933/

如果你在安装cygwin时，只安装了gcc4, g++4，在某些程序执行 configure 时会出现如下的错误（configure日志）：
/usr/lib/gcc/i686-pc-cygwin/4.5.3/cc1.exe: error while loading shared libraries:
cygmpfr-4.dll: cannot open shared object file: No such file or directory
不用着急，这是因为在安装时，没有安装mpfr（版本4）所至，打开cygwin.exe，输入mpfr，下载libmpfr4至可。