.bazelrc: Document --config=llvm libxml2 work-around

If --config=llvm fails with libxml2 errors, libxmls2 needs to be
installed manually.

bazel-contrib/toolchains_llvm#657 (comment)

PiperOrigin-RevId: 881582755

Author: jmr

.bazelrc

@@ -117,6 +117,9 @@ startup --windows_enable_symlinks
 # is merged.
 build:gcc --extra_toolchains=@gcc_toolchain_cur//:all
 build:gcc_old --extra_toolchains=@gcc_toolchain_old//:all
+# If `--config=llvm` fails with `libxml2.so.2` errors, install `libxml2`
+# manually using `apt install libxml2` or similar.
+# https://github.com/bazel-contrib/toolchains_llvm/issues/657#issuecomment-3786505615
 build:llvm --extra_toolchains=@llvm_toolchain_cur//:all
 build:llvm --linkopt=-fuse-ld=lld
 build:llvm_old --extra_toolchains=@llvm_toolchain_old//:all

openfst/extensions/categorial/weight_test.cc

@@ -63,6 +63,5 @@ int main(int argc, char **argv) {
                                             : time(nullptr);
   std::srand(seed);
   LOG(INFO) << "Seed = " << absl::GetFlag(FLAGS_seed);
-  ::testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();
 }

openfst/extensions/compress/compress_test.cc

@@ -110,6 +110,5 @@ TEST_F(CompressTest, EmptyFst) {
 int main(int argc, char** argv) {
   absl::SetFlag(&FLAGS_fst_verify_properties, true);
   fst::InitOpenFst(argv[0], &argc, &argv, true);
-  ::testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();
 }

openfst/extensions/compress/quantize_weights_test.cc

@@ -174,6 +174,5 @@ TEST_F(QuantizeWeightsTest, QuantizeWeightsZeroTest) {
 int main(int argc, char** argv) {
   absl::SetFlag(&FLAGS_fst_verify_properties, true);
   fst::InitOpenFst(argv[0], &argc, &argv, true);
-  ::testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();
 }

openfst/extensions/compress/randmod_test.cc

@@ -103,6 +103,5 @@ int main(int argc, char** argv) {
                                             : time(nullptr);
   srand(seed);
   LOG(INFO) << "Seed = " << seed;
-  ::testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();
 }

openfst/test/error_test.cc

@@ -529,6 +529,5 @@ TEST_F(ErrorTest, UnionErrorTest) {
 int main(int argc, char** argv) {
   absl::SetFlag(&FLAGS_fst_error_fatal, false);
   fst::InitOpenFst(argv[0], &argc, &argv, true);
-  ::testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();
 }