嘿，我已经看过了一个老问题，但它不能回答我的问题

我已经安装了libpng，然后尝试安装autopy并得到complie错误。在

我对python还不是很在行，所以我不确定如何修复它们。在Ashley:~ ashleyhughes$ sudo easy_install autopy

Searching for autopy

Reading http://pypi.python.org/simple/autopy/

Reading http://www.autopy.org

Best match: autopy 0.51

Downloading http://pypi.python.org/packages/source/a/autopy/autopy-0.51.tar.gz#md5=b92055aa2a3712a9c3b4c874014b450e

Processing autopy-0.51.tar.gz

Running autopy-0.51/setup.py -q bdist_egg --dist-dir /tmp/easy_install-U9uWoj/autopy-0.51/egg-dist-tmp-hdjtIx

clang: warning: argument unused during compilation: '-mno-fused-madd'

clang: warning: argument unused during compilation: '-mno-fused-madd'

clang: warning: argument unused during compilation: '-mno-fused-madd'

clang: warning: argument unused during compilation: '-mno-fused-madd'

clang: warning: argument unused during compilation: '-mno-fused-madd'

src/screengrab.c:48:26: warning: implicit declaration of function

'CGDisplayBitsPerPixel' is invalid in C99

[-Wimplicit-function-declaration]

bitsPerPixel = (uint8_t)CGDisplayBitsPerPixel(displayID);

^

src/screengrab.c:191:2: warning: 'CGLSetFullScreen' is deprecated

[-Wdeprecated-declarations]

CGLSetFullScreen(glContext);

^

src/screengrab.c:194:2: warning: implicit declaration of function 'glReadBuffer'

is invalid in C99 [-Wimplicit-function-declaration]

glReadBuffer(GL_FRONT);

^

src/screengrab.c:194:15: error: use of undeclared identifier 'GL_FRONT'

glReadBuffer(GL_FRONT);

^

src/screengrab.c:197:2: warning: implicit declaration of function 'glFinish' is

invalid in C99 [-Wimplicit-function-declaration]

glFinish();

^

src/screengrab.c:199:6: warning: implicit declaration of function 'glGetError'

is invalid in C99 [-Wimplicit-function-declaration]

if (glGetError() != GL_NO_ERROR) return NULL;

^

src/screengrab.c:199:22: error: use of undeclared identifier 'GL_NO_ERROR'

if (glGetError() != GL_NO_ERROR) return NULL;

^

src/screengrab.c:207:2: warning: implicit declaration of function

'glPopClientAttrib' is invalid in C99 [-Wimplicit-function-declaration]

glPopClientAttrib(); /* Clear attributes previously set. */

^

src/screengrab.c:223:2: warning: implicit declaration of function

'glPushClientAttrib' is invalid in C99 [-Wimplicit-function-declaration]

glPushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);

^

src/screengrab.c:223:21: error: use of undeclared identifier

'GL_CLIENT_PIXEL_STORE_BIT'

glPushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);

^

src/screengrab.c:225:2: warning: implicit declaration of function

'glPixelStorei' is invalid in C99 [-Wimplicit-function-declaration]

glPixelStorei(GL_PACK_ALIGNMENT, BYTE_ALIGN); /* Force alignment. */

^

src/screengrab.c:225:16: error: use of undeclared identifier 'GL_PACK_ALIGNMENT'

glPixelStorei(GL_PACK_ALIGNMENT, BYTE_ALIGN); /* Force alignment. */

^

src/screengrab.c:226:16: error: use of undeclared identifier

'GL_PACK_ROW_LENGTH'

glPixelStorei(GL_PACK_ROW_LENGTH, 0);

^

src/screengrab.c:227:16: error: use of undeclared identifier 'GL_PACK_SKIP_ROWS'

glPixelStorei(GL_PACK_SKIP_ROWS, 0);

^

src/screengrab.c:228:16: error: use of undeclared identifier

'GL_PACK_SKIP_PIXELS'

glPixelStorei(GL_PACK_SKIP_PIXELS, 0);

^

src/screengrab.c:235:2: warning: implicit declaration of function 'glReadPixels'

is invalid in C99 [-Wimplicit-function-declaration]

glReadPixels(x, y, width, height,

^

src/screengrab.c:236:30: error: use of undeclared identifier 'GL_BGRA'

MMRGB_IS_BGR ? GL_BGRA : GL_RGBA,

^

src/screengrab.c:236:40: error: use of undeclared identifier 'GL_RGBA'

MMRGB_IS_BGR ? GL_BGRA : GL_RGBA,

^

9 warnings and 9 errors generated.

error: Setup script exited with error: command 'clang' failed with exit status 1

谁能帮忙吗。我需要自动检测，因为它能在多个平台上工作

我用过伊桑。提拉-thompson.com/Mac_OS_X_端口.html安装libpng

用命令行工具安装xcode