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Problem Compiling ModPagespeed on Arch Linux #289

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GoogleCodeExporter opened this issue Apr 6, 2015 · 18 comments
Closed

Problem Compiling ModPagespeed on Arch Linux #289

GoogleCodeExporter opened this issue Apr 6, 2015 · 18 comments
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auto-migrated Milestone-v22 Priority-Medium release-note Type-Defect

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@GoogleCodeExporter
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What steps will reproduce the problem?
1. Download depot_tools:
    svn co http://src.chromium.org/svn/trunk/tools/depot_tools
2. To make depot_tools work, switch to python2:
    sudo rm /usr/bin/python
    sudo ln -s /usr/bin/python2 /usr/bin/python
    sudo rm /usr/bin/python-config
    sudo ln -s /usr/bin/python2-config /usr/bin/python-config
3. Download mod_pagespeed source code use depot_tools:
    gclient config http://modpagespeed.googlecode.com/svn/branches/latest-beta/src (or http://modpagespeed.googlecode.com/svn/trunk/src)
    gclient sync --force
4. Compile Source:
    make BUILDTYPE=Release

What is the expected output?

    A completed compilation

What do you see instead?

    Error messages for variables set but not used

What version of the product are you using (please check X-Mod-Pagespeed
header)?

    Attempted on both Latest Beta & Trunk Version

On what operating system?

    Archlinux

Which version of Apache?

    Apache 2.2.17

Which MPM?

    Prefork

Please provide any additional information below, especially a URL or an
HTML file that exhibits the problem.

First Error:
    net/instaweb/rewriter/js_combine_filter.cc: In member function ‘void net_instaweb::JsCombineFilter::ConsiderJsForCombination(net_instaweb::HtmlElement*, net_instaweb::HtmlElement::Attribute*)’:
    net/instaweb/rewriter/js_combine_filter.cc:333:15: error: variable ‘url’ set but not used [-Werror=unused-but-set-variable]
    cc1plus: all warnings being treated as errors

Next (if first is fixed in code):
    net/instaweb/rewriter/resource_combiner.cc: In member function ‘virtual bool net_instaweb::ResourceCombiner::WriteCombination(const ResourceVector&, const OutputResourcePtr&, net_instaweb::MessageHandler*)’:
    net/instaweb/rewriter/resource_combiner.cc:284:17: error: variable ‘contents’ set but not used [-Werror=unused-but-set-variable]
    cc1plus: all warnings being treated as errors

And so on ...

Original issue reported on code.google.com by mtwhe...@gmail.com on 9 May 2011 at 12:21
@GoogleCodeExporter
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Is that with gcc-4.6? Also, is the default python python3? What goes wrong with 
depot_tools with it?

With respect to compile error, IMHO this and the report on the mailing list 
strongly suggest we want to disable -Wno-error for end-user builds. (Though 
these two warnings are actually worth fixing...)

Original comment by morlov...@google.com on 9 May 2011 at 12:58

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Original comment by morlov...@google.com on 9 May 2011 at 2:45

@GoogleCodeExporter
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Yes, that is with gcc-4.6 & default python of python2 (changed specifically for 
depot_tools/compilation of mod_pagespeed).

With python3 the following error occurs:

   → gclient config http://modpagespeed.googlecode.com/svn/trunk/src
   File "/home/eric/bin/depot_tools/gclient.py", line 276
   except SyntaxError, e:
   SyntaxError: invalid syntax

I actually tried fixing these warnings/errors by commenting out the unused 
variable declarations, but got more errors that weren't so simple (hard to 
explain without posting the code, but I don't have it in front of me at the 
moment, will post these later tonight).

Original comment by mtwhe...@gmail.com on 9 May 2011 at 9:03

@GoogleCodeExporter
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[deleted comment]

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Ok, after fixing the two warnings/errors already listed above as follows:

  net/instaweb/rewriter/js_combine_filter.cc, Line 333, Commenting Out:
  StringPiece url = src->value();

  net/instaweb/rewriter/resource_combiner.cc, Line 284, Commenting Out:
  StringPiece contents = input->contents();

I get another error, also easily fixed:

  net/instaweb/htmlparse/html_parse.cc: In member function ‘void net_instaweb::HtmlParse::SanityCheck()’:
  net/instaweb/htmlparse/html_parse.cc:307:18: error: variable ‘actual_parent’ set but not used [-Werror=unused-but-set-variable]
  cc1plus: all warnings being treated as errors

So I fix as follows:

  net/instaweb/htmlparse/html_parse.cc, Line 307, Commenting Out:
  HtmlElement* actual_parent = NULL;

  Also, comment out where the variable is set later, on Line 332:
  actual_parent = end_element->parent();

And here's where I think the compiler gets a little overzealous:

  third_party/icu/public/common/unicode/unistr.h: In member function ‘icu_4_2::UnicodeString& icu_4_2::UnicodeString::replace(int32_t, int32_t, UChar32)’:
  third_party/icu/public/common/unicode/unistr.h:3986:9: error: variable ‘isError’ set but not used [-Werror=unused-but-set-variable]
  third_party/icu/public/common/unicode/unistr.h: In member function ‘icu_4_2::UnicodeString& icu_4_2::UnicodeString::append(UChar32)’:
  third_party/icu/public/common/unicode/unistr.h:4264:9: error: variable ‘isError’ set but not used [-Werror=unused-but-set-variable]
  cc1plus: all warnings being treated as errors

Both errors refer to the following line of codes (line after the error as well):

  UBool isError = FALSE;
  U16_APPEND(buffer, count, U16_MAX_LENGTH, srcChar, isError);

If I attempt to change the lines to the following:

  //UBool isError = FALSE;
  U16_APPEND(buffer, count, U16_MAX_LENGTH, srcChar, FALSE);

Then I get the following error:

  third_party/icu/public/common/unicode/unistr.h: In member function ‘icu_4_2::UnicodeString& icu_4_2::UnicodeString::replace(int32_t, int32_t, UChar32)’:
  third_party/icu/public/common/unicode/unistr.h:3987:3: error: lvalue required as left operand of assignment
  make: *** [out/Release/obj.target/googleurl/googleurl/src/url_canon_icu.o] Error 1

which makes me think the isError variable is in fact used (despite the 
compiler's original error messge).

Original comment by mtwhe...@gmail.com on 10 May 2011 at 7:41

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It's being written to by the U16_APPEND macro, but not read anywhere.
So the warning message sort of has a point, in that these functions ignore some 
sorts of error conditions. The quick way to get them to go through is to add 
(void)isError; 
afterwards.

A better option might be to run: build/gyp_chromium  -D werror="" in the src/ 
dir before doing make.

Original comment by morlov...@google.com on 10 May 2011 at 3:44

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I've put in fixes for some of the warnings in r683, but that doesn't help with 
the third_party stuff. Will be making a follow up change that disables -Werror 
for normal end-user builds for that.

Original comment by morlov...@google.com on 10 May 2011 at 9:21

  • Changed state: Started

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Using: build/gyp_chromium  -D werror="" worked great to squelch these 
warnings/errors (didn't even get the errors listed above for third_party code), 
however deeper in the compilation I got the following error:

  third_party/opencv/src/opencv/include/opencv/cxmat.hpp:3465:19: error: expected ‘;’ before ‘ofs’
  third_party/opencv/src/opencv/include/opencv/cxmat.hpp:3466:23: error: ‘ofs’ was not declared in this scope
  make: *** [out/Release/obj.target/highgui/third_party/opencv/src/opencv/src/highgui/bitstrm.o] Error 1

On these two lines of code (I don't see why this error is thrown):

  ptrdiff_t ofs = (uchar*)ptr - m->data;
  int y = (int)(ofs / m->step), x = (int)((ofs - y*m->step)/sizeof(_Tp));

from this following larger block of code:

  template<typename _Tp> inline Point MatConstIterator_<_Tp>::pos() const
  {
      if( !m )
          return Point();
      if( m->isContinuous() )
      {
          ptrdiff_t ofs = ptr - (_Tp*)m->data;
          int y = (int)(ofs / m->cols), x = (int)(ofs - (ptrdiff_t)y*m->cols);
          return Point(x, y);
      }
      else
      {
          ptrdiff_t ofs = (uchar*)ptr - m->data;
          int y = (int)(ofs / m->step), x = (int)((ofs - y*m->step)/sizeof(_Tp));
          return Point(x, y);
      }
  }

Original comment by mtwhe...@gmail.com on 11 May 2011 at 2:45

@GoogleCodeExporter
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A solution to that is to change 
src/third_party/opencv/src/opencv/include/opencv/cxcore.hpp to add #include 
<cstddef> near other include lines.

Also, with respect to python3: it's probably easier to just edit 
depot_tools/gclient and have it run the script with 'python2' instead of 
python. Also, the upstream issue for that is 
http://code.google.com/p/chromium/issues/detail id=61357

Original comment by morlov...@google.com on 11 May 2011 at 3:43

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Fixed that error, then, next error:

  third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:217:28: fatal error: linux/videodev.h: No such file or directory
  compilation terminated.
  make: *** [out/Release/obj.target/highgui/third_party/opencv/src/opencv/src/highgui/cvcap_v4l.o] Error 1

On the following line:

  #include <linux/videodev.h>

Fixed by changing to the following:

  #include <linux/videodev2.h>

Since the following files were located on my machine:

  $ sudo locate videodev
  /lib/modules/2.6.32-lts/kernel/drivers/media/video/videodev.ko.gz
  /lib/modules/2.6.38-ARCH/kernel/drivers/media/video/videodev.ko.gz
  /usr/include/libv4l1-videodev.h
  /usr/include/linux/videodev2.h
  /usr/src/linux-2.6.38-ARCH/drivers/staging/usbvideo/videodev.h
  /usr/src/linux-2.6.38-ARCH/include/linux/videodev2.h

Although this proceeded with the following craziness:

third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:289:29: error: field 
‘capability’ has incomplete type
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:290:29: error: field 
‘captureWindow’ has incomplete type
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:291:29: error: field 
‘imageProperties’ has incomplete type
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:292:29: error: field 
‘memoryBuffer’ has incomplete type
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp: In function ‘int 
try_palette(int, video_picture*, int, int)’:
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:400:10: error: invalid 
use of incomplete type ‘struct video_picture’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:291:12: error: forward 
declaration of ‘struct video_picture’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:401:10: error: invalid 
use of incomplete type ‘struct video_picture’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:291:12: error: forward 
declaration of ‘struct video_picture’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:402:17: error: 
‘VIDIOCSPICT’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:404:17: error: 
‘VIDIOCGPICT’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:406:14: error: invalid 
use of incomplete type ‘struct video_picture’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:291:12: error: forward 
declaration of ‘struct video_picture’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp: In function ‘int 
try_init_v4l(CvCaptureCAM_V4L*, char*)’:
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:461:38: error: 
‘VIDIOCGCAP’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:461:60: error: 
‘CvCaptureCAM_V4L’ has no member named ‘capability’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp: In function ‘int 
try_init_v4l2(CvCaptureCAM_V4L*, char*)’:
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:513:7: error: 
‘CvCaptureCAM_V4L’ has no member named ‘capability’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:513:7: error: 
‘CvCaptureCAM_V4L’ has no member named ‘capability’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:514:16: error: 
‘CvCaptureCAM_V4L’ has no member named ‘capability’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:517:74: error: 
‘CvCaptureCAM_V4L’ has no member named ‘capability’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp: In function ‘int 
autosetup_capture_mode_v4l(CvCaptureCAM_V4L*)’:
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:597:35: error: 
‘VIDIOCGPICT’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:597:58: error: 
‘CvCaptureCAM_V4L’ has no member named ‘imageProperties’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:605:52: error: 
‘CvCaptureCAM_V4L’ has no member named ‘imageProperties’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:605:69: error: 
‘VIDEO_PALETTE_RGB24’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:608:57: error: 
‘CvCaptureCAM_V4L’ has no member named ‘imageProperties’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:608:74: error: 
‘VIDEO_PALETTE_YUV420P’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:611:57: error: 
‘CvCaptureCAM_V4L’ has no member named ‘imageProperties’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:611:74: error: 
‘VIDEO_PALETTE_YUV420’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:614:57: error: 
‘CvCaptureCAM_V4L’ has no member named ‘imageProperties’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:614:74: error: 
‘VIDEO_PALETTE_YUV411P’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp: In function ‘int 
_capture_V4L2(CvCaptureCAM_V4L*, char*)’:
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:977:40: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:978:40: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp: In function ‘int 
_capture_V4L(CvCaptureCAM_V4L*, char*)’:
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1013:20: error: 
‘CvCaptureCAM_V4L’ has no member named ‘capability’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1033:18: error: 
‘CvCaptureCAM_V4L’ has no member named ‘capability’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1035:29: error: 
aggregate ‘_capture_V4L(CvCaptureCAM_V4L*, char*)::video_channel 
selectedChannel’ has incomplete type and cannot be defined
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1039:41: error: 
‘VIDIOCGCHAN’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1042:44: error: 
‘VIDIOCSCHAN’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1053:38: error: 
‘VIDIOCGWIN’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1053:60: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1071:35: error: 
‘VIDIOCGMBUF’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1071:58: error: 
‘CvCaptureCAM_V4L’ has no member named ‘memoryBuffer’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1073:45: error: 
‘CvCaptureCAM_V4L’ has no member named ‘memoryBuffer’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1086:35: error: 
‘CvCaptureCAM_V4L’ has no member named ‘memoryBuffer’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1086:81: error: invalid 
application of ‘sizeof’ to incomplete type ‘video_mmap’ 
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1097:40: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1098:40: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp: In function ‘int 
icvGrabFrameCAM_V4L(CvCaptureCAM_V4L*)’:
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1302:43: error: 
‘CvCaptureCAM_V4L’ has no member named ‘memoryBuffer’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1305:46: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1305:47: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1306:46: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1306:47: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1306:66: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1307:46: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1307:47: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1307:66: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1308:46: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1308:47: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1308:66: error: 
‘CvCaptureCAM_V4L’ has no member named ‘imageProperties’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1310:44: error: 
‘VIDIOCMCAPTURE’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1310:96: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1342:41: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1342:42: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1343:41: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1343:42: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1343:61: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1344:41: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1344:42: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1344:61: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1345:41: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1345:42: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1345:61: error: 
‘CvCaptureCAM_V4L’ has no member named ‘imageProperties’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1347:40: error: 
‘VIDIOCMCAPTURE’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1348:39: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:1354:43: error: 
‘CvCaptureCAM_V4L’ has no member named ‘memoryBuffer’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp: In function 
‘IplImage* icvRetrieveFrameCAM_V4L(CvCaptureCAM_V4L*, int)’:
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2079:38: error: 
‘VIDIOCSYNC’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2079:86: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2079:87: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2108:68: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2108:69: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2109:71: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2109:72: error: invalid 
use of incomplete type ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:293:12: error: forward 
declaration of ‘struct video_mmap’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2112:32: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2113:28: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2205:21: error: 
‘CvCaptureCAM_V4L’ has no member named ‘imageProperties’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2206:12: error: 
‘VIDEO_PALETTE_RGB24’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2208:51: error: 
‘CvCaptureCAM_V4L’ has no member named ‘memoryBuffer’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2211:12: error: 
‘VIDEO_PALETTE_YUV420P’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2212:35: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2213:23: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2214:61: error: 
‘CvCaptureCAM_V4L’ has no member named ‘memoryBuffer’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2217:12: error: 
‘VIDEO_PALETTE_YUV420’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2218:34: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2219:20: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2220:58: error: 
‘CvCaptureCAM_V4L’ has no member named ‘memoryBuffer’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2223:12: error: 
‘VIDEO_PALETTE_YUV411P’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2224:35: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2225:20: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2226:58: error: 
‘CvCaptureCAM_V4L’ has no member named ‘memoryBuffer’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2232:27: error: 
‘CvCaptureCAM_V4L’ has no member named ‘imageProperties’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp: In function ‘double 
icvGetPropertyCAM_V4L(CvCaptureCAM_V4L*, int)’:
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2365:16: error: 
‘VIDIOCGWIN’ was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2365:38: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2375:27: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2378:27: error: 
‘CvCaptureCAM_V4L’ has no member named ‘captureWindow’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2381:27: error: 
‘CvCaptureCAM_V4L’ has no member named ‘imageProperties’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2384:27: error: 
‘CvCaptureCAM_V4L’ has no member named ‘imageProperties’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2387:27: error: 
‘CvCaptureCAM_V4L’ has no member named ‘imageProperties’
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2390:27: error: 
‘CvCaptureCAM_V4L’ has no member named ‘imageProperties’

<cut>

Original comment by mtwhe...@gmail.com on 14 May 2011 at 4:13

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(continuing error messages)

third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp: In function �int 
icvSetVideoSize(CvCaptureCAM_V4L*, int, int)�:
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2487:21: error: 
�CvCaptureCAM_V4L� has no member named �capability�
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2488:19: error: 
�CvCaptureCAM_V4L� has no member named �capability�
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2490:21: error: 
�CvCaptureCAM_V4L� has no member named �capability�
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2491:19: error: 
�CvCaptureCAM_V4L� has no member named �capability�
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2494:15: error: 
�CvCaptureCAM_V4L� has no member named �captureWindow�
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2495:15: error: 
�CvCaptureCAM_V4L� has no member named �captureWindow�
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2497:39: error: 
�VIDIOCSWIN� was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2497:61: error: 
�CvCaptureCAM_V4L� has no member named �captureWindow�
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2502:39: error: 
�VIDIOCGWIN� was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2502:61: error: 
�CvCaptureCAM_V4L� has no member named �captureWindow�
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp: In function �int 
icvSetControl(CvCaptureCAM_V4L*, int, double)�:
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2652:16: error: 
�CvCaptureCAM_V4L� has no member named �imageProperties�
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2655:16: error: 
�CvCaptureCAM_V4L� has no member named �imageProperties�
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2658:16: error: 
�CvCaptureCAM_V4L� has no member named �imageProperties�
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2661:16: error: 
�CvCaptureCAM_V4L� has no member named �imageProperties�
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2678:38: error: 
�VIDIOCSPICT� was not declared in this scope
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2678:61: error: 
�CvCaptureCAM_V4L� has no member named �imageProperties�
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp: In function �void 
icvCloseCAM_V4L(CvCaptureCAM_V4L*)�:
third_party/opencv/src/opencv/src/highgui/cvcap_v4l.cpp:2752:46: error: 
�CvCaptureCAM_V4L� has no member named �memoryBuffer�
make: *** 
[out/Release/obj.target/highgui/third_party/opencv/src/opencv/src/highgui/cvcap_
v4l.o] Error 1

Original comment by mtwhe...@gmail.com on 14 May 2011 at 4:13

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For a fix to this issue, see r680. (Or top of branch 17, looks like latest-beta 
hasn't quite gotten updated yet).

Original comment by morlov...@google.com on 14 May 2011 at 8:41

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Looks like I'm all set, able to conpile both "latest-beta" & "trunk".

Having some other issues now that I have it running, but I'll try to work them 
out on my own & submit another issue if the problems persist (or if I can 
figure out what specifically is causing these issues).

Thanks for your help!!!

Original comment by mtwhe...@gmail.com on 16 May 2011 at 3:23

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Original comment by sligocki@google.com on 16 May 2011 at 6:02

  • Changed state: Fixed

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I am getting gclient error on Arch Linux..please see the attached file..

Original comment by unixbhas...@gmail.com on 3 Feb 2012 at 6:16

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I don't see any errors in the file. Could you please check and reattach?

Original comment by matterb...@google.com on 3 Feb 2012 at 12:52

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re: gclient errors --- if I am not mistaken, Arch Linux ships with python3, 
which gclient is incompatible with. I do believe you can install python2 as 
well, and with that in place, it should be possible to edit the gclient binary 
in depot_tools (which is a tiny wrapper shell script) to use python2 
specifically.

Original comment by morlov...@google.com on 6 Feb 2012 at 2:23

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Original comment by jmara...@google.com on 23 May 2012 at 3:12

  • Added labels: Milestone-v22, release-note

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