我正在尝试测试一些简单的Cairo程序,但是我很难理解如何包含源文件。我安装了开罗图书馆-这只是一个如何让gcc知道的问题.
在/usr/local/include/cairo
中安装了.dylib文件
是否还有我应该知道的安装的其他组件?(我只是用“”来安装这个库)
我正试图像这样编译:
$ gcc cairoTest.c -I/usr/local/include/cairo -L/usr/local/lib/我的cairoTest.c文件以以下内容开头:
include <cairo.h>gcc正在寻找cairo.h,但它给出了以下错误信息。我认为它没有正确链接到.dylib文件,但我不确定。我还不熟悉编译/链接。
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在我的编译中包括开罗库,我应该做什么不同的事情?
谢谢,
发布于 2011-12-07 21:27:40
试着用
gcc -Wall -g cairoTest.c -I/usr/local/include/cairo -L/usr/local/lib/ -lcairo -o cairoTest(但您可能需要其他库,可能是通过$(pkg-config --cflags --libs cairo)或类似的)
你的文件应该从
#include <cairo.h>https://stackoverflow.com/questions/8422173
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