chore(license): add Apache-2.0 SPDX headers across workflows, scripts…

.github/workflows/build.yml

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 name: Build
 
 on:

.github/workflows/clang-format.yml

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 name: clang-format
 
 on:

.github/workflows/commit-check.yml

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 name: Commit conventions
 
 on:

.github/workflows/license-compliance.yml

@@ -0,0 +1,17 @@
+# SPDX-License-Identifier: Apache-2.0
+name: license-compliance
+
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+
+jobs:
+  license-compliance:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Verify Apache-2.0 license compliance
+        run: bash ./scripts/check-license-compliance.sh

.gitignore

@@ -30,3 +30,8 @@
 *.exe
 *.out
 *.app
+
+# Python cache and temporary files
+__pycache__/
+*.py[cod]
+*.tmp

.pre-commit-config.yaml

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 repos:
   - repo: local
     hooks:

CMakeLists.txt

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 cmake_minimum_required(VERSION 3.16)
 project(cc)
 

NOTICE

@@ -0,0 +1,8 @@
+coretrace-concurrency-analyzer
+Copyright 2026 Hugo Payet
+
+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

build.sh

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 cmake .. -DCMAKE_BUILD_TYPE=Release \
          -DLLVM_DIR=$(brew --prefix llvm@20)/lib/cmake/llvm \
          -DClang_DIR=$(brew --prefix llvm@20)/lib/cmake/clang \

extern-project/src/main.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "compilerlib/compiler.h"
 #include <iostream>
 

extern-project/tests/hello.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include <stdio.h>
 int main(void) {
     puts("hello");

extern-project/tests/hello.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include <string>
 
 int main() {

include/compilerlib/attributes.hpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #ifndef COMPILERLIB_ATTRIBUTES_HPP
 #define COMPILERLIB_ATTRIBUTES_HPP
 

include/compilerlib/compiler.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #ifndef COMPILERLIB_COMPILER_H
 #define COMPILERLIB_COMPILER_H
 

include/compilerlib/frontend/optnone_action.hpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #ifndef COMPILERLIB_FRONTEND_OPTNONE_ACTION_HPP
 #define COMPILERLIB_FRONTEND_OPTNONE_ACTION_HPP
 

include/compilerlib/instrumentation/alloc.hpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #ifndef COMPILERLIB_INSTRUMENTATION_ALLOC_HPP
 #define COMPILERLIB_INSTRUMENTATION_ALLOC_HPP
 

include/compilerlib/instrumentation/bounds.hpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #ifndef COMPILERLIB_INSTRUMENTATION_BOUNDS_HPP
 #define COMPILERLIB_INSTRUMENTATION_BOUNDS_HPP
 

include/compilerlib/instrumentation/common.hpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #ifndef COMPILERLIB_INSTRUMENTATION_COMMON_HPP
 #define COMPILERLIB_INSTRUMENTATION_COMMON_HPP
 

include/compilerlib/instrumentation/config.hpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #ifndef COMPILERLIB_INSTRUMENTATION_CONFIG_HPP
 #define COMPILERLIB_INSTRUMENTATION_CONFIG_HPP
 

include/compilerlib/instrumentation/trace.hpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #ifndef COMPILERLIB_INSTRUMENTATION_TRACE_HPP
 #define COMPILERLIB_INSTRUMENTATION_TRACE_HPP
 

include/compilerlib/instrumentation/vtable.hpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #ifndef COMPILERLIB_INSTRUMENTATION_VTABLE_HPP
 #define COMPILERLIB_INSTRUMENTATION_VTABLE_HPP
 

include/compilerlib/toolchain.hpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #ifndef COMPILERLIB_TOOLCHAIN_HPP
 #define COMPILERLIB_TOOLCHAIN_HPP
 

scripts/check-license-compliance.sh

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: Apache-2.0
+set -euo pipefail
+
+SCRIPT_DIR="$(cd -- "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(cd -- "${SCRIPT_DIR}/.." && pwd)"
+
+cd "${REPO_ROOT}"
+
+if [[ ! -f "LICENSE" ]]; then
+    echo "ERROR: Missing LICENSE file at repository root." >&2
+    exit 1
+fi
+
+if ! grep -Eq 'Apache License' LICENSE || ! grep -Eq 'Version 2\.0,[[:space:]]*January 2004' LICENSE; then
+    echo "ERROR: LICENSE file does not match Apache License 2.0 header markers." >&2
+    exit 1
+fi
+
+missing_spdx_headers=()
+
+while IFS= read -r -d '' file; do
+    case "${file}" in
+        build/*|build-*/*|extern-project/build/*|extern-project/build-*/*|third_party/*|vendor/*|external/*)
+            continue
+            ;;
+        CMakeLists.txt|main.cpp|*.c|*.cc|*.cpp|*.cxx|*.h|*.hh|*.hpp|*.hxx|*.ipp|*.tpp|*.cmake|*.sh|*.py|*.yml|*.yaml)
+            ;;
+        *)
+            continue
+            ;;
+    esac
+
+    if ! head -n 12 "${file}" | grep -Eq 'SPDX-License-Identifier:[[:space:]]*Apache-2\.0'; then
+        missing_spdx_headers+=("${file}")
+    fi
+done < <(git ls-files -z)
+
+if ((${#missing_spdx_headers[@]} > 0)); then
+    echo "ERROR: Missing Apache-2.0 SPDX headers in these files:" >&2
+    printf '  - %s\n' "${missing_spdx_headers[@]}" >&2
+    exit 1
+fi
+
+echo "License compliance checks passed."

scripts/ci/commit_checker.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+# SPDX-License-Identifier: Apache-2.0
 from __future__ import annotations
 
 import json

scripts/ci/semver_check.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+# SPDX-License-Identifier: Apache-2.0
 from __future__ import annotations
 
 import os

scripts/format-check.sh

@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# SPDX-License-Identifier: Apache-2.0
 set -euo pipefail
 
 SCRIPT_DIR="$(cd -- "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

scripts/format.sh

@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# SPDX-License-Identifier: Apache-2.0
 set -euo pipefail
 
 SCRIPT_DIR="$(cd -- "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

scripts/git/commit_msg_checker.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+# SPDX-License-Identifier: Apache-2.0
 from __future__ import annotations
 
 import re

scripts/setup-dev.sh

@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
+# SPDX-License-Identifier: Apache-2.0
 set -euo pipefail
 
 if ! command -v python3 >/dev/null 2>&1; then

src/cli/args.cc

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "cli/args.h"
 
 namespace cli

src/cli/args.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #ifndef CORETRACE_CLI_ARGS_H
 #define CORETRACE_CLI_ARGS_H
 

src/cli/help.cc

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "cli/help.h"
 
 #include <filesystem>

src/cli/help.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #ifndef CORETRACE_CLI_HELP_H
 #define CORETRACE_CLI_HELP_H
 

src/cli/main.cc

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "compilerlib/compiler.h"
 #include <iostream>
 

src/compilerlib/compiler.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "compilerlib/compiler.h"
 #include "compilerlib/attributes.hpp"
 #include "compilerlib/toolchain.hpp"

src/compilerlib/emit/llvm_output.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "llvm_output.hpp"
 
 #include <clang/Frontend/CompilerInstance.h>

src/compilerlib/emit/llvm_output.hpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #pragma once
 
 #include "compilerlib/attributes.hpp"

src/compilerlib/frontend/optnone_action.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "compilerlib/frontend/optnone_action.hpp"
 
 #include <clang/AST/Attr.h>

src/compilerlib/instrumentation/alloc.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "compilerlib/instrumentation/alloc.hpp"
 #include "compilerlib/instrumentation/common.hpp"
 #include "compilerlib/attributes.hpp"

src/compilerlib/instrumentation/bounds.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "compilerlib/instrumentation/bounds.hpp"
 #include "compilerlib/instrumentation/common.hpp"
 #include "compilerlib/attributes.hpp"

src/compilerlib/instrumentation/common.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "compilerlib/instrumentation/common.hpp"
 #include "compilerlib/attributes.hpp"
 

src/compilerlib/instrumentation/config.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "compilerlib/instrumentation/config.hpp"
 #include "compilerlib/attributes.hpp"
 

src/compilerlib/instrumentation/trace.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "compilerlib/instrumentation/trace.hpp"
 #include "compilerlib/instrumentation/common.hpp"
 

src/compilerlib/instrumentation/vtable.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "compilerlib/instrumentation/vtable.hpp"
 #include "compilerlib/instrumentation/common.hpp"
 

src/compilerlib/toolchain.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "compilerlib/toolchain.hpp"
 
 #include <clang/Driver/Driver.h>

src/runtime/ct_instrument_runtime.cpp

@@ -1 +1,2 @@
+// SPDX-License-Identifier: Apache-2.0
 // Runtime instrumentation implementation was split across ct_runtime_*.cpp files.

src/runtime/ct_runtime_alloc.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "ct_runtime_internal.h"
 
 #include <cstdlib>

src/runtime/ct_runtime_backtrace.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "ct_runtime_internal.h"
 
 #include <cstdlib>

src/runtime/ct_runtime_bounds.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "ct_runtime_internal.h"
 
 #include <cstdint>

src/runtime/ct_runtime_env.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "ct_runtime_internal.h"
 
 #include <cstdlib>

src/runtime/ct_runtime_helpers.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #pragma once
 
 #include <cstddef>

src/runtime/ct_runtime_internal.h

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #ifndef CT_RUNTIME_INTERNAL_H
 #define CT_RUNTIME_INTERNAL_H
 

src/runtime/ct_runtime_logging.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "ct_runtime_internal.h"
 
 // #############################################

src/runtime/ct_runtime_shadow.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "ct_runtime_internal.h"
 
 #include <cstdlib>

src/runtime/ct_runtime_state.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "ct_runtime_internal.h"
 
 #include <atomic>

src/runtime/ct_runtime_trace.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "ct_runtime_internal.h"
 
 #include "ct_runtime_helpers.h"

src/runtime/ct_runtime_vtable.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include "ct_runtime_internal.h"
 
 #include "ct_runtime_helpers.h"

test/ct_alloc_basic.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include <stdlib.h>
 
 int main(void)

test/ct_alloc_growth.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include <stdlib.h>
 #include <stdio.h>
 

test/ct_autofree_aligned_alloc.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include <stdlib.h>
 
 int main(void)

test/ct_autofree_brk.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include <unistd.h>
 
 int main(void)

test/ct_autofree_inttoptr.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include <stdlib.h>
 #include <stdint.h>
 

test/ct_autofree_inttoptr_escape.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include <stdlib.h>
 #include <stdint.h>
 

test/ct_autofree_local.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include <stdlib.h>
 #include <stdio.h>
 #include <unistd.h>

test/ct_autofree_mmap.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include <sys/mman.h>
 #include <unistd.h>
 

test/ct_autofree_new_nothrow.cpp

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: Apache-2.0
 #include <new>
 
 int main()