将应用程序复制到另一台计算机，找不到共享库
gcc 4.4.3 c89 linux
我正在使用 log4c 并将 inc 和 lib 放在以下目录中
/home/jeff/projects/gateway/tools/log4c/inc
/home/jeff/projects/gateway/tools/log4c/lib
在我的 Makefile 中，我指定了 inc 和 lib 路径：
INC_PATH = -I tools/log4c/inc
LIB_PATH = -L tools/log4c/lib
LIBS = -llog4c
在我的 lib 目录中，我有以下共享库：
lrwxrwxrwx 1 root root 17 2010-08-26 15:57liblog4c.so -> liblog4c.so.3.1.0
lrwxrwxrwx 1 root root 17 2010-08-26 15:57 liblog4c.so.3 -> liblog4c.so.3.1.0
-rw-r--r-- 1 root root 100180 2010-08-26 15:55 liblog4c.so.3.1.0
我在我的上编译我的应用程序开发机，然后将二进制文件和工具目录复制到测试机
因此，当我在测试机上执行二进制文件时，出现以下错误：
./app: error while loading shared libraries: liblog4c.so.3: cannot open shared object file: No such file or directory
但是，在具有相同目录结构的开发机上一切正常，即
开发机：
/projects/gateway/app
/projects/gateway/tools/log4c/inc
/projects/gateway/tools/log4c/lib
测试机：
/projects/gateway/app
/projects/gateway/tools/log4c/inc
/projects/gateway/tools/log4c/lib
所以我想知道为什么它找不到共享库。
非常感谢您的任何建议，
gcc 4.4.3 c89 linux
I am using log4c and have placed the inc and lib in the following directories
/home/jeff/projects/gateway/tools/log4c/inc
/home/jeff/projects/gateway/tools/log4c/lib
In my Makefile I have specified the inc and lib path:
INC_PATH = -I tools/log4c/inc
LIB_PATH = -L tools/log4c/lib
LIBS = -llog4c
In my lib directory I have the following shared libraries:
lrwxrwxrwx 1 root root 17 2010-08-26 15:57liblog4c.so -> liblog4c.so.3.1.0
lrwxrwxrwx 1 root root 17 2010-08-26 15:57 liblog4c.so.3 -> liblog4c.so.3.1.0
-rw-r--r-- 1 root root 100180 2010-08-26 15:55 liblog4c.so.3.1.0
I compile my application on my development machine, then copy the binary and tools directory to the test machine
So when I execute binary on the test machine I get the following error:
./app: error while loading shared libraries: liblog4c.so.3: cannot open shared object file: No such file or directory
However, everything works fine on my development machine which has the same directory structure i.e.
dev machine:
/projects/gateway/app
/projects/gateway/tools/log4c/inc
/projects/gateway/tools/log4c/lib
test machine:
/projects/gateway/app
/projects/gateway/tools/log4c/inc
/projects/gateway/tools/log4c/lib
So I am wondering why it can't find it the shared library.
Many thanks for any suggestions,
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/projects/gateway/tools/log4c/lib应放入/etc/ld.so.conf（之后调用 /sbin/ldconfig）或LD_LIBRARY_PATHshell 变量，以便动态链接器知道在哪里搜索所需的共享库。请参阅程序库 HOWTO（3.5. 安装和使用共享库）图书馆）了解更多信息
/projects/gateway/tools/log4c/libshould either be put to/etc/ld.so.conf(call /sbin/ldconfig after) or toLD_LIBRARY_PATHshell variable so the dynamic linker would know where to search for the required shared library.See Program Library HOWTO (3.5. Installing and Using a Shared Library) for more info