XFA: Fix win8 gn build under chromium checkout (non-xfa)

third_party/third_party.gyp

 # Copyright 2014 PDFium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
+  'variables': {
+    'pdf_enable_xfa%': 0,  # Set to 1 by standalone.gypi in standalone builds.
+  },
   'target_defaults': {
     'defines': [
       'OPJ_STATIC',
       'PNG_PREFIX',
       'PNGPREFIX_H',
       'PNG_USE_READ_MACROS',
       '_CRT_SECURE_NO_WARNINGS',
     ],
     'include_dirs': [
       # This is implicit in GN.
@@ skipping 35 matching lines @@
         'freetype/include/freetype/freetype.h',
         'freetype/include/freetype/ftmm.h',
         'freetype/include/freetype/ftotval.h',
         'freetype/include/freetype/ftoutln.h',
         'freetype/include/freetype/internal/ftobjs.h',
         'freetype/include/freetype/internal/ftstream.h',
         'freetype/include/freetype/internal/tttypes.h',
         'freetype/include/freetype/tttables.h',
         'freetype/include/ft2build.h',
         'freetype/src/base/ftbase.c',
+        'freetype/src/base/ftbase.h',
         'freetype/src/base/ftbitmap.c',
         'freetype/src/base/ftglyph.c',
         'freetype/src/base/ftinit.c',
         'freetype/src/base/ftlcdfil.c',
         'freetype/src/base/ftmm.c',
         'freetype/src/base/ftsystem.c',
         'freetype/src/cff/cff.c',
         'freetype/src/cff/cffobjs.h',
         'freetype/src/cff/cfftypes.h',
         'freetype/src/cid/type1cid.c',
         'freetype/src/psaux/psaux.c',
         'freetype/src/pshinter/pshinter.c',
         'freetype/src/psnames/psmodule.c',
         'freetype/src/raster/raster.c',
         'freetype/src/sfnt/sfnt.c',
         'freetype/src/smooth/smooth.c',
         'freetype/src/truetype/truetype.c',
         'freetype/src/type1/type1.c',
       ],
+      'variables': {
+        'clang_warning_flags': [
+          # open_face_PS_from_sfnt_stream() and open_face_from_buffer() in
+          # ftbase.h are unused.
+          '-Wno-unused-function',
+        ],
+      },
     },
     {
       'target_name': 'fx_agg',
       'type': 'static_library',
       'sources': [
         'agg23/agg_basics.h',
         'agg23/agg_clip_liang_barsky.h',
         'agg23/agg_conv_dash.h',
         'agg23/agg_conv_stroke.h',
         'agg23/agg_curves.cpp',
         'agg23/agg_curves.h',
         'agg23/agg_path_storage.cpp',
         'agg23/agg_path_storage.h',
         'agg23/agg_rasterizer_scanline_aa.cpp',
         'agg23/agg_rasterizer_scanline_aa.h',
         'agg23/agg_renderer_scanline.h',
         'agg23/agg_rendering_buffer.h',
         'agg23/agg_scanline_u.h',
         'agg23/agg_vcgen_dash.cpp',
         'agg23/agg_vcgen_stroke.cpp',
       ],
       'conditions': [
         ['os_posix==1', {
           # library contains several enum vs non-enum conditionals.
           'cflags': [ '-Wno-extra', ],
         }],
       ],
+      'variables': {
+        'clang_warning_flags': [
+          # calc_butt_cap() in agg_vcgen_stroke.cpp is unused.
+          '-Wno-unused-function',
+        ],
+      },
     },
     {
       'target_name': 'fx_lcms2',
       'type': 'static_library',
       'sources': [
         'lcms2-2.6/include/lcms2.h',
         'lcms2-2.6/include/lcms2_plugin.h',
         'lcms2-2.6/src/cmscam02.c',
         'lcms2-2.6/src/cmscgats.c',
         'lcms2-2.6/src/cmscnvrt.c',
@@ skipping 25 matching lines @@
           'cflags': [
             '-Wno-main',
             '-Wno-missing-braces',
             '-Wno-unused',
           ],
         }],
       ],
       'variables': {
         'clang_warning_flags': [
           '-Wno-missing-braces',
+          # FindPrev() in cmsplugin.c is unused.
+          '-Wno-unused-function',
         ],
       },
     },
     {
       'target_name': 'libjpeg',
       'type': 'static_library',
       'sources': [
         'libjpeg/cderror.h',
         'libjpeg/cdjpeg.h',
         'libjpeg/fpdfapi_jcapimin.c',
@@ skipping 100 matching lines @@
         'lpng_v163/pngrutil.c',
         'lpng_v163/pngset.c',
         'lpng_v163/pngtrans.c',
         'lpng_v163/pngwio.c',
         'lpng_v163/pngwrite.c',
         'lpng_v163/pngwtran.c',
         'lpng_v163/pngwutil.c',
       ],
     },
     {
-      'target_name': 'fx_tiff',
-      'type': 'static_library',
-      'sources': [
-        'tiff_v403/tiffiop.h',
-        'tiff_v403/tif_aux.c',
-        'tiff_v403/tif_close.c',
-        'tiff_v403/tif_codec.c',
-        'tiff_v403/tif_color.c',
-        'tiff_v403/tif_compress.c',
-        'tiff_v403/tif_dir.c',
-        'tiff_v403/tif_dirinfo.c',
-        'tiff_v403/tif_dirread.c',
-        'tiff_v403/tif_dirwrite.c',
-        'tiff_v403/tif_dumpmode.c',
-        'tiff_v403/tif_error.c',
-        'tiff_v403/tif_extension.c',
-        'tiff_v403/tif_fax3.c',
-        'tiff_v403/tif_fax3sm.c',
-        'tiff_v403/tif_flush.c',
-        'tiff_v403/tif_getimage.c',
-        'tiff_v403/tif_jpeg.c',
-        'tiff_v403/tif_luv.c',
-        'tiff_v403/tif_lzw.c',
-        'tiff_v403/tif_next.c',
-        'tiff_v403/tif_ojpeg.c',
-        'tiff_v403/tif_open.c',
-        'tiff_v403/tif_packbits.c',
-        'tiff_v403/tif_pixarlog.c',
-        'tiff_v403/tif_predict.c',
-        'tiff_v403/tif_print.c',
-        'tiff_v403/tif_read.c',
-        'tiff_v403/tif_strip.c',
-        'tiff_v403/tif_swab.c',
-        'tiff_v403/tif_thunder.c',
-        'tiff_v403/tif_tile.c',
-        'tiff_v403/tif_version.c',
-        'tiff_v403/tif_warning.c',
-        'tiff_v403/tif_write.c',
-        'tiff_v403/tif_zip.c',
-      ],
-    },
-    {
       'target_name': 'fx_zlib',
       'type': 'static_library',
       'sources': [
         'zlib_v128/adler32.c',
         'zlib_v128/compress.c',
         'zlib_v128/crc32.c',
         'zlib_v128/deflate.c',
         'zlib_v128/gzclose.c',
         'zlib_v128/gzlib.c',
         'zlib_v128/gzread.c',
@@ skipping 16 matching lines @@
         'base/nonstd_unique_ptr.h',
         'base/numerics/safe_conversions.h',
         'base/numerics/safe_conversions_impl.h',
         'base/numerics/safe_math.h',
         'base/numerics/safe_math_impl.h',
         'base/stl_util.h',
         'base/template_util.h',
       ],
     },
   ],
+  'conditions': [
+    ['pdf_enable_xfa==1', {
+      'targets': [
+        {
+          'target_name': 'fx_tiff',
+          'type': 'static_library',
+          'sources': [
+            'tiff_v403/tiffiop.h',
+            'tiff_v403/tif_aux.c',
+            'tiff_v403/tif_close.c',
+            'tiff_v403/tif_codec.c',
+            'tiff_v403/tif_color.c',
+            'tiff_v403/tif_compress.c',
+            'tiff_v403/tif_dir.c',
+            'tiff_v403/tif_dirinfo.c',
+            'tiff_v403/tif_dirread.c',
+            'tiff_v403/tif_dirwrite.c',
+            'tiff_v403/tif_dumpmode.c',
+            'tiff_v403/tif_error.c',
+            'tiff_v403/tif_extension.c',
+            'tiff_v403/tif_fax3.c',
+            'tiff_v403/tif_fax3sm.c',
+            'tiff_v403/tif_flush.c',
+            'tiff_v403/tif_getimage.c',
+            'tiff_v403/tif_jpeg.c',
+            'tiff_v403/tif_luv.c',
+            'tiff_v403/tif_lzw.c',
+            'tiff_v403/tif_next.c',
+            'tiff_v403/tif_ojpeg.c',
+            'tiff_v403/tif_open.c',
+            'tiff_v403/tif_packbits.c',
+            'tiff_v403/tif_pixarlog.c',
+            'tiff_v403/tif_predict.c',
+            'tiff_v403/tif_print.c',
+            'tiff_v403/tif_read.c',
+            'tiff_v403/tif_strip.c',
+            'tiff_v403/tif_swab.c',
+            'tiff_v403/tif_thunder.c',
+            'tiff_v403/tif_tile.c',
+            'tiff_v403/tif_version.c',
+            'tiff_v403/tif_warning.c',
+            'tiff_v403/tif_write.c',
+            'tiff_v403/tif_zip.c',
+          ],
+        },
+      ],
+    }],
+  ],
 }