我在Windows 7(基本版)上安装了以下两个msi
64位—我从here下载了msi。如何使用MinGW构建gstreamer项目?
gstreamer-sdk-devel-x86_64-2013.6.msi
gstreamer-sdk-x86_64-2013.6.msi
现在我试图建立使用MinGW的(GCC 4.8.1)this hello world程序和链接器给我的麻烦,说这句话的:
C:\Users\Apelles\AppData\Local\Temp\ccwLMXuu.o: In function `gst_message_unref':
C:/gstreamer-sdk/0.10/x86_64/include/gstreamer-0.10/gst/gstmessage.h:347: undefined reference to `gst_mini_object_unref'
C:\Users\Apelles\AppData\Local\Temp\ccwLMXuu.o: In function `main':
F:\projects\gstreamer/helloworld.c:9: undefined reference to `gst_init'
F:\projects\gstreamer/helloworld.c:12: undefined reference to `gst_parse_launch'
F:\projects\gstreamer/helloworld.c:15: undefined reference to `gst_element_set_state'
F:\projects\gstreamer/helloworld.c:18: undefined reference to `gst_element_get_bus'
F:\projects\gstreamer/helloworld.c:19: undefined reference to `gst_bus_timed_pop_filtered'
F:\projects\gstreamer/helloworld.c:24: undefined reference to `gst_object_unref'
F:\projects\gstreamer/helloworld.c:25: undefined reference to `gst_element_set_state'
F:\projects\gstreamer/helloworld.c:26: undefined reference to `gst_object_unref'
collect2.exe: error: ld returned 1 exit status
我缺少哪个库?
下面是我用它来构建项目选项(从我make
输出取):
的gcc helloworld.c -ggdb -Wall -Wextra -ansi -std = C99 -Wno未使用的参数-mms-bitfields -IC:/gstreamer-sdk/0.10/x86_64/include/gtk-2.0 -IC:/gstreamer-sdk/0.10/x86_64/lib/gtk-2.0/include -IC:/gstreamer-sdk/0.10/ x86_64/include/atk-1.0 -IC:/gstreamer-sdk/0.10/x86_64/include/cairo -IC:/gstreamer-sdk/0.10/x86_64/include/gdk-pixbuf-2.0 -IC:/gstreamer-sdk/0.10 /x86_64/include/pango-1.0 -IC:/gstreamer-sdk/0.10/x86_64/include/glib-2.0 -IC:/gstreamer-sdk/0.10/x86_64/lib/glib-2.0/include -IC:/ gstreamer- sdk/0.10/x86_64/include/pixman-1 -IC:/gstreamer-sdk/0.10/x86_64/include/fontconfig -IC:/ gstreamer-s dk/0.10/x86_64/include/freetype2 -IC:/gstreamer-sdk/0.10/x86_64/include -IC:/gstreamer-sdk/0.10/x86_64/include/libpng15 -mms-bitfields -IC:/gstreamer-sdk/0.10 /x86_64/include/gstreamer-0.10 -IC:/gstreamer-sdk/0.10/x86_64/include/glib-2.0 -IC:/gstreamer-sdk/0.10/x86_64/lib/glib-2.0/include -IC:/ gstreamer- sdk/0.10/x86_64/include/libxml2 -LC:/gstreamer-sdk/0.10/x86_64/lib -lgtk-win32-2.0 -lgdk-win32-2.0 -latk-1.0 -lgio-2.0 -lpangowin32-1.0 -lgdi32 -lpangocairo -1.0 -lgdk_pixbuf-2.0 -lpango-1.0 -lcairo -lgobject-2.0 -lglib-2.0-intl -LC:/gstreamer-sdk/0.10/x86_64/lib -lgstinterfaces-0.10 -lgstreamer-0.10 -lgobject-2.0 -lgmodule- 2.0 -lgthread-2.0 -lxml2 -lglib-2.0 -lintl
这是什么缺点?
我应该怎么做才能解决这个问题?
可能gstreamer本身,因为'gst_init'不可用。 –
@MarcB:不要安装msi包含它?我没有安装什么(或配置时错过了)? – Nawaz
你已经有'-lgstreamer-0.10'了,但只有当gstreamer的东西在include/linker路径中时才有用。 –