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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /gfx/layers/BuildConstants.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/layers/BuildConstants.h')
-rw-r--r--gfx/layers/BuildConstants.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/gfx/layers/BuildConstants.h b/gfx/layers/BuildConstants.h
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+++ b/gfx/layers/BuildConstants.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef BUILD_CONSTANTS_H_
+#define BUILD_CONSTANTS_H_
+
+/**
+ * Why not just use ifdefs?
+ * ifdefs tend to result in code that compiles on one platform but not another.
+ * Given the number of build and platform configurations we have, it's best to
+ * aim to compile the same on as many platforms as possible, and let the
+ * compiler see the constexprs and handle dead-code elision itself.
+ */
+
+namespace mozilla {
+
+constexpr bool kIsDebug =
+#ifdef DEBUG
+ true;
+#else
+ false;
+#endif
+
+constexpr bool kIsWindows =
+#ifdef XP_WIN
+ true;
+#else
+ false;
+#endif
+
+constexpr bool kIsMacOS =
+#ifdef XP_MACOSX
+ true;
+#else
+ false;
+#endif
+
+constexpr bool kIsLinux =
+#ifdef MOZ_WIDGET_GTK
+ true;
+#else
+ false;
+#endif
+
+constexpr bool kIsAndroid =
+#ifdef MOZ_WIDGET_ANDROID
+ true;
+#else
+ false;
+#endif
+
+} // namespace mozilla
+
+#endif // BUILD_CONSTANTS_H_