openresty: initial integration

Initial integration support for an OpenResty's branch of LuaJIT 2.

projects/openresty/Dockerfile

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+# Copyright 2025 Google LLC
+#
+# 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.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder
+RUN git clone https://github.com/openresty/luajit2
+WORKDIR luajit2
+RUN git clone https://github.com/ligurio/lua-c-api-tests lua-c-api-tests
+COPY build.sh $SRC/

projects/openresty/build.sh

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+#!/bin/bash -eu
+# Copyright 2025 Google LLC
+#
+# 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.
+#
+################################################################################
+
+apt-get update
+apt-get install -y build-essential ninja-build cmake make \
+                   zlib1g-dev libreadline-dev libunwind-dev
+
+: ${LD:="${CXX}"}
+: ${LDFLAGS:="${CXXFLAGS}"}  # to make sure we link with sanitizer runtime
+
+patch -p1 < lua-c-api-tests/patches/luajit-v2.1.patch
+
+# Build the target project.
+make CC="${CC}" CFLAGS="${CFLAGS} -DLUAJIT_USE_ASAN -DLUA_USE_ASSERT -DLUA_USE_APICHECK" \
+     LDFLAGS="${LDFLAGS}" HOST_CFLAGS=-fno-sanitize=undefined -C src
+LUA_LIBRARIES=$(realpath ./src/libluajit.a)
+LUA_INCLUDE_DIR=$(realpath ./src/)
+LUA_EXECUTABLE=$(realpath ./src/luajit)
+
+# Build the tests.
+cd lua-c-api-tests
+cmake -S . -B build -DCMAKE_C_COMPILER="${CC}" \
+  -DCMAKE_CXX_COMPILER="${CXX}" \
+  -DIS_LUAJIT=TRUE \
+  -DLUA_INCLUDE_DIR="${LUA_INCLUDE_DIR}" \
+  -DLUA_LIBRARIES="${LUA_LIBRARIES}" \
+  -DLUA_EXECUTABLE="${LUA_EXECUTABLE}" \
+  -DLUA_VERSION_STRING=\"luajit2\"
+cmake --build build --parallel
+
+for f in $(find build/tests/ -name '*_test' -type f);
+do
+  cp $f $OUT/
+done

projects/openresty/project.yaml

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+homepage: "https://openresty.org/"
+language: c
+primary_contact: "[email protected]"
+auto_ccs:
+  - "[email protected]"
+main_repo: "https://github.com/openresty/luajit2"
+sanitizers:
+  - address
+architectures:
+  - x86_64