From a72aef8a21c095d7502385f965ad510c775a9377 Mon Sep 17 00:00:00 2001
From: "borenet@google.com"
 <borenet@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81>
Date: Fri, 22 Mar 2013 13:16:06 +0000
Subject: Refactor skia_warnings_as_errors Review URL:
 https://codereview.chromium.org/12963002

git-svn-id: http://skia.googlecode.com/svn/trunk@8330 2bbb7eff-a529-9590-31e7-b0007b416f81
---
 gyp/angle.gyp              |  2 +-
 gyp/cityhash.gyp           | 33 ++++++++++++++++++
 gyp/common_conditions.gypi | 86 +++++++++++++++++++++-------------------------
 gyp/common_variables.gypi  | 14 +++++---
 gyp/jsoncpp.gyp            | 23 ++-----------
 gyp/libjpeg.gyp            | 15 ++------
 gyp/utils.gyp              | 50 ++-------------------------
 7 files changed, 91 insertions(+), 132 deletions(-)
 create mode 100644 gyp/cityhash.gyp

(limited to 'gyp')

diff --git a/gyp/angle.gyp b/gyp/angle.gyp
index 088895b97b..2a88d56b60 100644
--- a/gyp/angle.gyp
+++ b/gyp/angle.gyp
@@ -10,7 +10,7 @@
       },
       'variables': {
         'component': 'static_library',
-            'skia_building_angle': 1, # See comment in common_conditions.gypi.
+        'skia_warnings_as_errors': 0,
       },
       'includes': [
         '../third_party/externals/angle/src/build_angle.gypi',
diff --git a/gyp/cityhash.gyp b/gyp/cityhash.gyp
new file mode 100644
index 0000000000..f35f1f02d3
--- /dev/null
+++ b/gyp/cityhash.gyp
@@ -0,0 +1,33 @@
+{
+  'variables': {
+    'skia_warnings_as_errors': 0,
+  },
+  'targets': [
+    {
+      'target_name': 'cityhash',
+      'type': 'static_library',
+      'standalone_static_library': 1,
+      'include_dirs': [
+        '../include/config',
+        '../include/core',
+        '../src/utils/cityhash',
+        '../third_party/externals/cityhash/src',
+      ],
+      'sources': [
+        '../third_party/externals/cityhash/src/city.cc',
+      ],
+      'direct_dependent_settings': {
+        'include_dirs': [
+          '../third_party/externals/cityhash/src',
+        ],
+      },
+      'conditions': [
+        [ 'skia_os == "android"', {
+          'cflags!': [
+            '-Wall',
+          ],
+        }],
+      ],
+    },
+  ],
+}
diff --git a/gyp/common_conditions.gypi b/gyp/common_conditions.gypi
index 2c7b16bc0d..360fed7e4c 100644
--- a/gyp/common_conditions.gypi
+++ b/gyp/common_conditions.gypi
@@ -6,7 +6,7 @@
 #    'SK_SUPPORT_HINTING_SCALE_FACTOR',
   ],
   'conditions' : [
-    ['skia_gpu == 1',
+    [ 'skia_gpu == 1',
       {
         'defines': [
           'SK_SUPPORT_GPU=1',
@@ -17,7 +17,7 @@
         ],
       },
     ],
-    ['skia_os == "win"',
+    [ 'skia_os == "win"',
       {
         'defines': [
           'SK_BUILD_FOR_WIN32',
@@ -82,48 +82,27 @@
           },
         },
         'conditions' : [
-          ['skia_arch_width == 64', {
+          [ 'skia_arch_width == 64', {
             'msvs_configuration_platform': 'x64',
+          }],
+          [ 'skia_arch_width == 32', {
+            'msvs_configuration_platform': 'Win32',
+          }],
+          [ 'skia_warnings_as_errors', {
             'msvs_settings': {
               'VCCLCompilerTool': {
-                'WarnAsError': 'false',
+                'WarnAsError': 'true',
+                'AdditionalOptions': [
+                  '/we4189', # initialized but unused var warning
+                ],
               },
             },
           }],
-          ['skia_arch_width == 32', {
-            # This gypi file will be included directly into the gyp(i) files in the angle repo by
-            # our gyp_skia script. We don't want force WarnAsError on angle. So angle.gyp defines
-            # skia_building_angle=1 and here we select whether to enable WarnAsError based on that
-            # var's value. Here it defaults to 0.
-            'variables' : {
-              'skia_building_angle%': 0,
-            },
-            'conditions' : [
-              ['skia_building_angle', {
-                'msvs_configuration_platform': 'Win32',
-                'msvs_settings': {
-                  'VCCLCompilerTool': {
-                    'WarnAsError': 'false',
-                  },
-                },
-              },{ # not angle
-                'msvs_configuration_platform': 'Win32',
-                'msvs_settings': {
-                  'VCCLCompilerTool': {
-                    'WarnAsError': 'true',
-                    'AdditionalOptions': [
-                      '/we4189', # initialized but unused var warning
-                    ],
-                  },
-                },
-              }],
-            ],
-          }],
         ],
       },
     ],
 
-    ['skia_os in ["linux", "freebsd", "openbsd", "solaris", "nacl"]',
+    [ 'skia_os in ["linux", "freebsd", "openbsd", "solaris", "nacl"]',
       {
         'defines': [
           'SK_SAMPLES_FOR_X',
@@ -139,7 +118,6 @@
           },
         },
         'cflags': [
-          '-Werror',
           '-Wall',
           '-Wextra',
           # suppressions below here were added for clang
@@ -147,12 +125,12 @@
           '-Wno-c++11-extensions'
         ],
         'conditions' : [
-          ['skia_warnings_as_errors == 1', {
+          [ 'skia_warnings_as_errors', {
             'cflags': [
               '-Werror',
             ],
           }],
-          ['skia_arch_width == 64', {
+          [ 'skia_arch_width == 64', {
             'cflags': [
               '-m64',
             ],
@@ -160,7 +138,7 @@
               '-m64',
             ],
           }],
-          ['skia_arch_width == 32', {
+          [ 'skia_arch_width == 32', {
             'cflags': [
               '-m32',
             ],
@@ -189,7 +167,7 @@
       },
     ],
 
-    ['skia_os == "mac"',
+    [ 'skia_os == "mac"',
       {
         'variables': {
           'mac_sdk%': '<!(python <(DEPTH)/tools/find_mac_sdk.py 10.6)',
@@ -198,14 +176,18 @@
           'SK_BUILD_FOR_MAC',
         ],
         'conditions' : [
-          ['skia_arch_width == 64', {
+          [ 'skia_arch_width == 64', {
             'xcode_settings': {
               'ARCHS': 'x86_64',
             },
           }],
-          ['skia_arch_width == 32', {
+          [ 'skia_arch_width == 32', {
             'xcode_settings': {
               'ARCHS': 'i386',
+            },
+          }],
+          [ 'skia_warnings_as_errors', {
+            'xcode_settings': {
               'OTHER_CPLUSPLUSFLAGS': [
                 '-Werror',
               ],
@@ -228,7 +210,7 @@
         'xcode_settings': {
           'GCC_SYMBOLS_PRIVATE_EXTERN': 'NO',
           'conditions': [
-            ['skia_osx_sdkroot==""', {
+            [ 'skia_osx_sdkroot==""', {
               'SDKROOT': 'macosx<(mac_sdk)',  # -isysroot
             }, {
               'SDKROOT': '<(skia_osx_sdkroot)',  # -isysroot
@@ -264,11 +246,20 @@
       },
     ],
 
-    ['skia_os == "ios"',
+    [ 'skia_os == "ios"',
       {
         'defines': [
           'SK_BUILD_FOR_IOS',
         ],
+        'conditions' : [
+          [ 'skia_warnings_as_errors', {
+            'xcode_settings': {
+              'OTHER_CPLUSPLUSFLAGS': [
+                '-Werror',
+              ],
+            },
+          }],
+        ],
         'configurations': {
           'Debug': {
             'xcode_settings': {
@@ -289,13 +280,16 @@
           'IPHONEOS_DEPLOYMENT_TARGET': '<(ios_sdk_version)',
           'SDKROOT': 'iphoneos',
           'TARGETED_DEVICE_FAMILY': '1,2',
-          'OTHER_CPLUSPLUSFLAGS': '-fvisibility=hidden -fvisibility-inlines-hidden',
+          'OTHER_CPLUSPLUSFLAGS': [
+            '-fvisibility=hidden',
+            '-fvisibility-inlines-hidden',
+          ],
           'GCC_THUMB_SUPPORT': 'NO',
         },
       },
     ],
 
-    ['skia_os == "android"',
+    [ 'skia_os == "android"',
       {
         'defines': [
           'SK_BUILD_FOR_ANDROID',
@@ -322,7 +316,7 @@
           '-fuse-ld=gold',
         ],
         'conditions': [
-          [ 'skia_warnings_as_errors == 1', {
+          [ 'skia_warnings_as_errors', {
             'cflags': [
               '-Werror',
             ],
diff --git a/gyp/common_variables.gypi b/gyp/common_variables.gypi
index 8ddbbb46e6..4f9f5422c4 100644
--- a/gyp/common_variables.gypi
+++ b/gyp/common_variables.gypi
@@ -89,12 +89,19 @@
       'skia_gpu%': 1,
       'skia_osx_sdkroot%': '',
       'skia_profile_enabled%': 0,
-      # Note: This is currently only turned on for linux and android.
-      # TODO: Turn on for Win and Mac as well.
-      'skia_warnings_as_errors%': 0,
       'skia_win_debuggers_path%': '',
     },
 
+    'conditions': [
+      [ 'skia_os == "win" and skia_arch_width == 32 or '
+        'skia_os in ["linux", "freebsd", "openbsd", "solaris", "android"] or '
+        'skia_os == "mac" and skia_arch_width == 32', {
+        'skia_warnings_as_errors%': 1,
+      }, {
+        'skia_warnings_as_errors%': 0,
+      }],
+    ],
+
     # Re-define all variables defined within the level-2 'variables' dict,
     # so that siblings of the level-1 'variables' dict can see them.
     'armv7%': '<(armv7)',
@@ -114,7 +121,6 @@
     'skia_gpu%': '<(skia_gpu)',
     'skia_osx_sdkroot%': '<(skia_osx_sdkroot)',
     'skia_profile_enabled%': '<(skia_profile_enabled)',
-    'skia_warnings_as_errors%': '<(skia_warnings_as_errors)',
     'skia_static_initializers%': '<(skia_static_initializers)',
     'ios_sdk_version%': '6.0',
     'skia_win_debuggers_path%': '<(skia_win_debuggers_path)',
diff --git a/gyp/jsoncpp.gyp b/gyp/jsoncpp.gyp
index 254963999d..ab00db9cc1 100644
--- a/gyp/jsoncpp.gyp
+++ b/gyp/jsoncpp.gyp
@@ -12,6 +12,9 @@
 # and https://code.google.com/p/skia/source/detail?r=7115
 
 {
+  'variables': {
+    'skia_warnings_as_errors': 0,
+  },
   'targets': [
     {
       'target_name': 'jsoncpp',
@@ -47,29 +50,9 @@
         ],
       },
       'conditions': [
-        [ 'skia_os == "mac"', {
-          'xcode_settings': {
-            'OTHER_CPLUSPLUSFLAGS!': [
-              '-Werror',
-            ]
-          },
-        }],
-        [ 'skia_os == "win"', {
-          'msvs_settings': {
-            'VCCLCompilerTool': {
-              'WarnAsError': 'false',
-            },
-          },
-        }],
         [ 'skia_os == "android"', {
           'cflags!': [
             '-Wall',
-            '-Werror',
-          ],
-        }],
-        ['skia_os in ["linux", "freebsd", "openbsd", "solaris", "nacl"]', {
-          'cflags!': [
-            '-Werror',
           ],
         }],
       ],
diff --git a/gyp/libjpeg.gyp b/gyp/libjpeg.gyp
index f6683101ce..da2b9deadb 100644
--- a/gyp/libjpeg.gyp
+++ b/gyp/libjpeg.gyp
@@ -11,6 +11,7 @@
 {
   'variables': {
     'use_system_libjpeg%': 0,
+    'skia_warnings_as_errors': 0,
   },
   'conditions': [
     ['skia_os == "android"', {
@@ -95,24 +96,12 @@
                 ],
               },
               'conditions': [
-                ['OS!="win"', {
+                [ 'skia_os != "win"', {
                   'product_name': 'jpeg',
                   'cflags': [
                    '-Wno-main', # supresses warnings about naming things "main"
                   ],
                 }],
-                ['OS=="android"', {
-                  'cflags!': [
-                   '-fno-rtti', # supresses warnings about invalid option of non-C++ code
-                   '-Wall',
-                   '-Werror',
-                  ],
-                }],
-                ['OS in ["linux", "freebsd", "openbsd", "solaris", "nacl"]', {
-                  'cflags!': [
-                   '-Werror',
-                  ],
-                }],
               ],
             },
           ],
diff --git a/gyp/utils.gyp b/gyp/utils.gyp
index f98e6fc9ce..00481112ee 100644
--- a/gyp/utils.gyp
+++ b/gyp/utils.gyp
@@ -6,7 +6,7 @@
       'type': 'static_library',
       'standalone_static_library': 1,
       'dependencies': [
-        'cityhash',
+        'cityhash.gyp:cityhash',
       ],
       'include_dirs': [
         '../include/config',
@@ -204,7 +204,7 @@
             # missing byteswap.h which is needed by CityHash.
             # TODO(borenet): Find a way to either provide this dependency or
             # replace it.
-            'cityhash',
+            'cityhash.gyp:cityhash',
           ],
         }],
         [ 'skia_os == "android"', {
@@ -219,52 +219,6 @@
         ],
       },
     },
-    {
-      'target_name': 'cityhash',
-      'type': 'static_library',
-      'standalone_static_library': 1,
-      'include_dirs': [
-        '../include/config',
-        '../include/core',
-        '../src/utils/cityhash',
-        '../third_party/externals/cityhash/src',
-      ],
-      'sources': [
-        '../third_party/externals/cityhash/src/city.cc',
-      ],
-      'direct_dependent_settings': {
-        'include_dirs': [
-          '../third_party/externals/cityhash/src',
-        ],
-      },
-      'conditions': [
-        [ 'skia_os == "mac"', {
-          'xcode_settings': {
-            'OTHER_CPLUSPLUSFLAGS!': [
-              '-Werror',
-            ]
-          },
-        }],
-        [ 'skia_os == "win"', {
-          'msvs_settings': {
-            'VCCLCompilerTool': {
-              'WarnAsError': 'false',
-            },
-          },
-        }],
-        [ 'skia_os == "android"', {
-          'cflags!': [
-            '-Wall',
-            '-Werror',
-          ],
-        }],
-        ['skia_os in ["linux", "freebsd", "openbsd", "solaris", "nacl"]', {
-          'cflags!': [
-            '-Werror',
-          ],
-        }],
-      ],
-    },
   ],
 }
 
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