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diff --git a/projects/re2/build.sh b/projects/re2/build.sh
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+#!/bin/bash -eu
+# Copyright 2016 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+# First, build the re2 library.
+# N.B., we don't follow the standard incantation for building re2
+# (i.e., `make && make test && make install && make testinstall`),
+# because some of the targets doesn't use $CXXFLAGS properly, which
+# causes compilation to fail. The obj/libre2.a target is all we
+# really need for our fuzzer, so that's all we build. Hopefully
+# this won't cause the fuzzer to fail erroneously due to not running
+# upstream's tests first to be sure things compiled correctly.
+make clean
+make -j$(nproc) obj/libre2.a
+
+
+# Second, build our fuzzers.
+$CXX $CXXFLAGS -std=c++11 -I. \
+	$SRC/re2_fuzzer.cc -o $OUT/re2_fuzzer \
+	-lfuzzer ./obj/libre2.a
+
+cp $SRC/*.options $OUT/