Platform/Platform-specific build defines
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In the Gecko code we have a bunch of preprocessor conditions that help us conditionally compile code for specific platforms. These can get confusing so here is a handy-dandy table to help you keep them straight.
OS | Windows | OS X | Linux | Android | iOS | |||||
---|---|---|---|---|---|---|---|---|---|---|
Product | Desktop | B2G | Desktop | B2G | Desktop | B2G | Mulet | Fennec | B2G | iOS |
XP_WIN | true | true | false | false | false | false | false | false | false | false |
XP_DARWIN | false | false | true | true | false | false | false | false | false | true |
XP_MACOSX | false | false | true | true | false | false | false | false | false | false |
XP_IOS | false | false | false | false | false | false | false | false | false | true |
XP_LINUX | false | false | false | false | true | true | true | true | true | false |
ANDROID | false | false | false | false | false | false | false | true | true | false |
MOZ_B2G | false | true | false | true | false | true | true | false | true | false |
MOZ_WIDGET_GTK | false | false | false | false | true | true | true | false | false | false |
MOZ_WIDGET_ANDROID | false | false | false | false | false | false | false | true | false | false |
MOZ_WIDGET_GONK | false | false | false | false | false | false | false | false | true | false |
MOZ_WIDGET_UIKIT | false | false | false | false | false | false | false | false | false | true |