c++ - GSL 编译错误

Question

我已经在 Kubuntu 14.04 中安装了最新版本的 GSL (1.16)。我使用库附带的文件 INSTALL(逐步)进行安装。我配置了 eclipse-cdt 环境以供使用。它工作，我认为，因为有一个自动完成，但是当我开始编译程序时出现一些错误。请问，我该如何解决？

对不起我的英语不好!!!文件 math.c 有#include

Building target: C
Invoking: GCC C Linker
gcc -L/usr/local/lib -o "C"  ./src/C.o   -lgsl -lgslcblas
/usr/local/lib/libgsl.a(math.o): In function `gsl_complex_polar':
/home/hacker101/Project/Libraries/gsl-1.16/complex/math.c:56: undefined reference to `sincos'
/usr/local/lib/libgsl.a(math.o): In function `gsl_complex_logabs':
/home/hacker101/Project/Libraries/gsl-1.16/complex/math.c:115: undefined reference to `log'
/home/hacker101/Project/Libraries/gsl-1.16/complex/math.c:115: undefined reference to `log1p'
/usr/local/lib/libgsl.a(math.o): In function `gsl_complex_abs':
/home/hacker101/Project/Libraries/gsl-1.16/complex/math.c:83: undefined reference to `hypot'
/home/hacker101/Project/Libraries/gsl-1.16/complex/math.c:83: undefined reference to `hypot'
/usr/local/lib/libgsl.a(math.o): In function `gsl_complex_sqrt':
/home/hacker101/Project/Libraries/gsl-1.16/complex/math.c:293: undefined reference to `sqrt'
/home/hacker101/Project/Libraries/gsl-1.16/complex/math.c:293: undefined reference to `sqrt'
/home/hacker101/Project/Libraries/gsl-1.16/complex/math.c:288: undefined reference to `sqrt'
/home/hacker101/Project/Libraries/gsl-1.16/complex/math.c:288: undefined reference to `sqrt'
/home/hacker101/Project/Libraries/gsl-1.16/complex/math.c:293: undefined reference to `sqrt'
......
collect2: error: ld returned 1 exit status
make: *** [C] Error 1 

Answer 1

这很可能只是缺少指向数学库的链接。您可能想尝试将 -lm 添加到您的链接命令中，在 -lgsl -lgslcblas 之后。