Fix building libpng on arm CPUs.

Some arm-specific files were not part of the build. BUG=angleproject:4026 Change-Id: Ie3534c66ebce53348a00f74b95b7f6e3859ee30f Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1866079Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>

Fix building libpng on arm CPUs.
01cfefef · Geoff Lang · Commit Bot · 05bd1896 · 01cfefef
Commit 01cfefef authored Oct 17, 2019 by Geoff Lang Committed by Commit Bot Oct 17, 2019
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BUILD.gn third_party/libpng/BUILD.gn +7 -0

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--- a/third_party/libpng/BUILD.gn
+++ b/third_party/libpng/BUILD.gn
@@ -24,6 +24,13 @@ static_library("libpng") {
    "src/pngwtran.c",
    "src/pngwutil.c",
  ]
+  if (target_cpu == "arm") {
+    sources += [
+      "src/arm/arm_init.c",
+      "src/arm/filter_neon.S",
+      "src/arm/filter_neon_intrinsics.c",
+    ]
+  }
  if (is_win) {
    cflags = [ "/wd4028" ]
  }