[webkit-dev] Error while building webkit on windows

[Brent Fulgham]

Hi,

The problem is with the processing of the CSSGrammar.y file.

On Mar 5, 2014, at 1:52 AM, Baskar CV <baskar.cv at hotmail.com> wrote:

> 10>  ./CSSGrammar.y:62.1: error: syntax error, unexpected end of file
> 10>  open3: exec of /usr/bin/gcc -E -P -x c++ -DENABLE_3D_RENDERING -DENABLE_CHANNEL_MESSAGING -DENABLE_CSS_BOX_DECORATION_BREAK -DENABLE_CSS_FILTERS -DENABLE_CSS_IMAGE_SET -DENABLE_CSS_REGIONS -DENABLE_CSS_SHAPES -DENABLE_CSS_SHAPE_INSIDE -DENABLE_CSS_STICKY_POSITION -DENABLE_CSS_TRANSFORMS_ANIMATIONS_TRANSITIONS_UNPREFIXED -DENABLE_DETAILS_ELEMENT -DENABLE_FILTERS -DENABLE_FULLSCREEN_API -DENABLE_GEOLOCATION -DENABLE_HIGH_DPI_CANVAS -DENABLE_ICONDATABASE -DENABLE_LEGACY_CSS_VENDOR_PREFIXES -DENABLE_MATHML -DENABLE_MEDIA_CONTROLS_SCRIPT -DENABLE_MEDIA_STATISTICS -DENABLE_METER_ELEMENT -DENABLE_PAGE_VISIBILITY_API -DENABLE_PROMISES -DENABLE_REQUEST_ANIMATION_FRAME -DENABLE_SHARED_WORKERS -DENABLE_SQL_DATABASE -DENABLE_SUBPIXEL_LAYOUT -DENABLE_SVG -DENABLE_SVG_FONTS -DENABLE_TEMPLATE_ELEMENT -DENABLE_VIDEO -DENABLE_VIDEO_TRACK -DENABLE_VIEW_MODE_CSS_MEDIA -DENABLE_WEB_SOCKETS -DENABLE_XHR_TIMEOUT -DENABLE_XSLT /webkit/Source/WebCore/css/CSSGrammar.y.in failed at /webkit/Source/WebCore/bindings/scripts/preprocessor.pm line 81
> 10>      ...propagated at /webkit/Source/WebCore/css/makegrammar.pl line 84.
> 10>  /webkit/Source/WebCore/DerivedSources.make:842: recipe for target 'CSSGrammar.cpp' failed
> 10>  make: *** [CSSGrammar.cpp] Error 2
> 10>  make: *** Waiting for unfinished jobs....
> 10>  CSSPropertyNames.gperf: No keywords in input file!
> 10>  calling gperf failed: 256 at /webkit/Source/WebCore/css/makeprop.pl line 306.
> 10>  /webkit/Source/WebCore/DerivedSources.make:785: recipe for target 'CSSPropertyNames.h' failed
> 10>  make: *** [CSSPropertyNames.h] Error 1

Things to check:

1. Is CSSGrammar.y complete? Make sure the checkout didn’t get messed up in some fashion.
2. Do you have gperf, flex, and bison installed?  You need flex/bison to process the grammar file and turn it into the stub implementation.

> 10>  CSSPropertyNames.gperf: No keywords in input file!

This makes me think that you do NOT have gperf installed. Did you use our Cygwin installer package? Or are you using your own local install?

If you are using your own install from the Cygwin website, you should use the Setup.exe utility and make sure that flex, bison, and gperf are installed.

Thanks,

-Brent
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