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From: Benjamin Barenblat <bbaren@google.com>
Subject: Disable SysinfoTest.NominalCPUFrequency on armel/armhf
NominalCPUFrequency has different behavior on 32-bit and 64-bit ARM
kernels. The Debian arm64 buildds assume they can build 32-bit ARM
packages, but if they do, the NominalCPUFrequency test will fail.
Disable the test when building for 32-bit ARM.
--- a/absl/base/internal/sysinfo_test.cc
+++ b/absl/base/internal/sysinfo_test.cc
@@ -43,7 +43,13 @@
// POWER is particularly problematic here; some Linux kernels expose the CPU
// frequency, while others do not. Since we can't predict a priori what a given
// machine is going to do, just disable this test on POWER on Linux.
+//
+// Debian also disables this test on armel and armhf, since tests for those
+// platforms could either be run on a 32-bit ARM system (where
+// NominalCPUFrequency returns a reasonable value) or a 64-bit ARM system (where
+// it does not).
-#if !(defined(__linux) && (defined(__ppc64__) || defined(__PPC64__)))
+#if !(defined(__linux) && \
+ (defined(__ppc64__) || defined(__PPC64__) || defined(__arm__)))
TEST(SysinfoTest, NominalCPUFrequency) {
// Linux only exposes the CPU frequency on certain architectures, and
// Emscripten doesn't expose it at all.
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