小编Sam*_*Sam的帖子

我一直在尝试在我的Lion机器上安装Ruby(OSX 10.7.3).

我安装了rbenv和ruby-build,我试图在我的机器上获得1.9.2-p290.以下是安装失败的输出:

$ rbenv install 1.9.2-p290
Downloading http://pyyaml.org/download/libyaml/yaml-0.1.4.tar.gz...
Installing yaml-0.1.4...
Installed yaml-0.1.4 to /Users/CSC/.rbenv/versions/1.9.2-p290
Downloading http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.2-p290.tar.gz...
Installing ruby-1.9.2-p290...

BUILD FAILED

Inspect or clean up the working tree at /var/folders/vm/gcqcld015jx025m7qgtxvw0m0000gn/T/ruby-build.20120301140751.6239
Results logged to /var/folders/vm/gcqcld015jx025m7qgtxvw0m0000gn/T/ruby-build.20120301140751.6239.log

Last 10 log lines:
/usr/bin/gcc-4.2 -I. -I../../../.ext/include/x86_64-darwin11.3.0 -I../../.././include -I../../.././ext/racc/cparse -DRUBY_EXTCONF_H=\"extconf.h\" -I'/Users/SamCouch/.rbenv/versions/1.9.2-p290/include'  -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE   -fno-common -O3 -ggdb -Wextra -Wno-unused-parameter -Wno-parentheses -Wpointer-arith -Wwrite-strings -Wno-missing-field-initializers -Wshorten-64-to-32 -Wno-long-long  -pipe  -o cparse.o -c cparse.c
/usr/bin/gcc-4.2 -dynamic -bundle -o ../../../.ext/x86_64-darwin11.3.0/racc/cparse.bundle cparse.o -L. -L../../.. -L. -L'/Users/SamCouch/.rbenv/versions/1.9.2-p290/lib'  -L/usr/local/lib -Wl,-undefined,dynamic_lookup -Wl,-multiply_defined,suppress -Wl,-flat_namespace  -lpthread -ldl -lobjc …

我现在完全失去了.我在使用Java构建GUI方面没有太多工作,我一直在阅读关于swing和JPanel的所有内容,我认为我想要做的是可能的,我只是没有弄清楚如何.

我正在尝试构建一个GUI,您可以在某个绘图区域内绘制直线,我希望能够获得起点/终点坐标,以便对这些点进行一些数学运算.任何帮助将不胜感激!