我正在尝试测试一些简单的Cairo程序,但我无法弄清楚如何包含源文件。我已经安装了Cairo库——问题只是如何让gcc知道……
我的cairoTest.c文件开头是这样的:
- 我已经将.h文件(包括cairo.h)安装在/usr/local/include/cairo中
- 我已经将.dylib文件安装在/usr/local/lib和/usr/local/lib/cairo中
还有其他安装组件需要注意吗?(我只需使用“make install”安装库)
我尝试这样编译:
$ gcc cairoTest.c -I/usr/local/include/cairo -L/usr/local/lib/
我的cairoTest.c文件开头是这样的:
include <cairo.h>
gcc正在寻找cairo.h文件,但是它会给出以下错误信息。我认为它没有正确链接到.dylib文件,但我不确定。我还是编译/链接的新手。
gcc cairoTest.c -I/usr/local/include/cairo -L/usr/local/lib/cairo
Undefined symbols for architecture x86_64:
"_cairo_image_surface_create", referenced from:
_main in ccVd9Pet.o
"_cairo_create", referenced from:
_main in ccVd9Pet.o
"_cairo_scale", referenced from:
_main in ccVd9Pet.o
"_cairo_set_line_width", referenced from:
_main in ccVd9Pet.o
"_cairo_set_source_rgb", referenced from:
_main in ccVd9Pet.o
"_cairo_rectangle", referenced from:
_main in ccVd9Pet.o
"_cairo_stroke", referenced from:
_main in ccVd9Pet.o
"_cairo_surface_write_to_png", referenced from:
_main in ccVd9Pet.o
"_cairo_destroy", referenced from:
_main in ccVd9Pet.o
"_cairo_surface_destroy", referenced from:
_main in ccVd9Pet.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status
make: *** [all] Error 1
为了在编译中包含Cairo库,我应该做哪些不同的事情?
谢谢。