mirror of https://github.com/python/cpython
gh-124064: Make warning emitting compiler options opt-in (#124070)
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com> Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
This commit is contained in:
Nate Ohlson
GitHub
parent
05235e3c16
commit
44052b5f18
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@ -35,7 +35,7 @@ jobs:
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path: config.cache
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key: ${{ github.job }}-${{ inputs.os }}-${{ env.IMAGE_VERSION }}-${{ inputs.config_hash }}
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- name: Install Homebrew dependencies
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run: brew install pkg-config openssl@3.0 xz gdbm tcl-tk
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run: brew install pkg-config openssl@3.0 xz gdbm tcl-tk make
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- name: Configure CPython
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run: |
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GDBM_CFLAGS="-I$(brew --prefix gdbm)/include" \
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@ -44,14 +44,27 @@ jobs:
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--config-cache \
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--with-pydebug \
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--enable-slower-safety \
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--enable-safety \
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${{ inputs.free-threading && '--disable-gil' || '' }} \
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--prefix=/opt/python-dev \
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--with-openssl="$(brew --prefix openssl@3.0)"
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- name: Build CPython
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run: set -o pipefail; make -j8 2>&1 | tee compiler_output.txt
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if : ${{ inputs.free-threading || inputs.os != 'macos-13' }}
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run: gmake -j8
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- name: Build CPython for compiler warning check
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if : ${{ !inputs.free-threading && inputs.os == 'macos-13' }}
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run: set -o pipefail; gmake -j8 --output-sync 2>&1 | tee compiler_output_macos.txt
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- name: Display build info
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run: make pythoninfo
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- name: Check compiler warnings
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run: python3 Tools/build/check_warnings.py --compiler-output-file-path=compiler_output.txt --warning-ignore-file-path=Tools/build/.warningignore_macos --compiler-output-type=clang
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if : ${{ !inputs.free-threading && inputs.os == 'macos-13' }}
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run: >-
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python3 Tools/build/check_warnings.py
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--compiler-output-file-path=compiler_output_macos.txt
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--warning-ignore-file-path=Tools/build/.warningignore_macos
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--compiler-output-type=clang
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--fail-on-regression
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--fail-on-improvement
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--path-prefix="./"
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- name: Tests
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run: make test
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@ -67,20 +67,33 @@ jobs:
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working-directory: ${{ env.CPYTHON_BUILDDIR }}
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run: >-
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../cpython-ro-srcdir/configure
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CFLAGS="-fdiagnostics-format=json"
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--config-cache
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--with-pydebug
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--enable-slower-safety
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--enable-safety
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--with-openssl=$OPENSSL_DIR
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${{ fromJSON(inputs.free-threading) && '--disable-gil' || '' }}
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- name: Build CPython out-of-tree
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if: ${{ inputs.free-threading }}
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working-directory: ${{ env.CPYTHON_BUILDDIR }}
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run: set -o pipefail; make -j4 2>&1 | tee compiler_output.txt
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run: make -j4
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- name: Build CPython out-of-tree (for compiler warning check)
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if: ${{ !inputs.free-threading}}
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working-directory: ${{ env.CPYTHON_BUILDDIR }}
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run: set -o pipefail; make -j4 --output-sync 2>&1 | tee compiler_output_ubuntu.txt
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- name: Display build info
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working-directory: ${{ env.CPYTHON_BUILDDIR }}
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run: make pythoninfo
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- name: Check compiler warnings
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run: python Tools/build/check_warnings.py --compiler-output-file-path=${{ env.CPYTHON_BUILDDIR }}/compiler_output.txt --warning-ignore-file-path ${GITHUB_WORKSPACE}/Tools/build/.warningignore_ubuntu --compiler-output-type=json
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if: ${{ !inputs.free-threading }}
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run: >-
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python Tools/build/check_warnings.py
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--compiler-output-file-path=${{ env.CPYTHON_BUILDDIR }}/compiler_output_ubuntu.txt
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--warning-ignore-file-path ${GITHUB_WORKSPACE}/Tools/build/.warningignore_ubuntu
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--compiler-output-type=gcc
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--fail-on-regression
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--fail-on-improvement
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--path-prefix="../cpython-ro-srcdir/"
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- name: Remount sources writable for tests
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# some tests write to srcdir, lack of pyc files slows down testing
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run: sudo mount $CPYTHON_RO_SRCDIR -oremount,rw
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@ -0,0 +1 @@
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Enable compiler options that warn of potential security vulnerabilities.
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@ -3,3 +3,230 @@
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# Keep lines sorted lexicographically to help avoid merge conflicts.
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||||
# Format example:
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# /path/to/file (number of warnings in file)
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Include/internal/mimalloc/mimalloc/internal.h 4
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Include/internal/pycore_dict.h 2
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Include/internal/pycore_gc.h 1
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Include/internal/pycore_long.h 2
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Include/internal/pycore_object.h 4
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Modules/_asynciomodule.c 3
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Modules/_ctypes/_ctypes.c 37
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Modules/_ctypes/_ctypes_test_generated.c.h 141
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Modules/_ctypes/malloc_closure.c 3
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Python/intrinsics.c 1
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Python/lock.c 4
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Python/marshal.c 11
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Python/mystrtoul.c 4
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Python/pathconfig.c 1
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Python/preconfig.c 2
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Python/pyarena.c 1
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Python/pylifecycle.c 7
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Python/pystate.c 6
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Python/pystrhex.c 19
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Python/pystrtod.c 3
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Python/qsbr.c 2
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Python/specialize.c 10
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Python/symtable.c 18
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Python/sysmodule.c 2
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Python/thread_pthread.h 1
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Python/traceback.c 6
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Python/tracemalloc.c 6
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@ -3,3 +3,263 @@
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# Keep lines sorted lexicographically to help avoid merge conflicts.
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# Format example:
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||||
# /path/to/file (number of warnings in file)
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/home/runner/work/cpython/cpython/multissl/openssl/3.0.15/include/openssl/evp.h 2
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/home/runner/work/cpython/cpython/multissl/openssl/3.0.15/include/openssl/ssl.h 4
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/usr/include/tcl8.6/tclTomMathDecls.h 1
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Include/cpython/bytearrayobject.h 1
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Include/cpython/bytesobject.h 3
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Include/internal/mimalloc/mimalloc/internal.h 4
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Include/internal/mimalloc/mimalloc/types.h 2
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Include/internal/pycore_asdl.h 1
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|
||||
Modules/_testcapi/monitoring.c 3
|
||||
Modules/_testcapi/pyatomic.c 4
|
||||
Modules/_testcapi/pyatomic.c 4
|
||||
Modules/_testcapi/unicode.c 1
|
||||
Modules/_testcapi/vectorcall.c 3
|
||||
Modules/_testcapi/watchers.c 3
|
||||
Modules/_testcapimodule.c 1
|
||||
Modules/_testclinic.c 14
|
||||
Modules/_testclinic.c 14
|
||||
Modules/_testexternalinspection.c 7
|
||||
Modules/_testinternalcapi.c 10
|
||||
Modules/_testinternalcapi/test_critical_sections.c 1
|
||||
Modules/_testinternalcapi/test_lock.c 4
|
||||
Modules/_testlimitedcapi/heaptype_relative.c 3
|
||||
Modules/_testlimitedcapi/object.c 2
|
||||
Modules/_testlimitedcapi/unicode.c 1
|
||||
Modules/_testmultiphase.c 1
|
||||
Modules/_tkinter.c 8
|
||||
Modules/_xxtestfuzz/_xxtestfuzz.c 1
|
||||
Modules/_xxtestfuzz/fuzzer.c 13
|
||||
Modules/_zoneinfo.c 17
|
||||
Modules/arraymodule.c 48
|
||||
Modules/binascii.c 208
|
||||
Modules/blake2module.c 8
|
||||
Modules/cjkcodecs/_codecs_iso2022.c 1
|
||||
Modules/cjkcodecs/_codecs_jp.c 17
|
||||
Modules/cjkcodecs/_codecs_kr.c 7
|
||||
Modules/cjkcodecs/alg_jisx0201.h 2
|
||||
Modules/cjkcodecs/cjkcodecs.h 1
|
||||
Modules/cjkcodecs/multibytecodec.c 12
|
||||
Modules/expat/pyexpatns.h 3
|
||||
Modules/expat/siphash.h 1
|
||||
Modules/expat/xmlparse.c 43
|
||||
Modules/expat/xmltok.c 15
|
||||
Modules/expat/xmltok.c 15
|
||||
Modules/expat/xmltok_impl.c 8
|
||||
Modules/faulthandler.c 5
|
||||
Modules/fcntlmodule.c 6
|
||||
Modules/getpath.c 7
|
||||
Modules/grpmodule.c 4
|
||||
Modules/itertoolsmodule.c 4
|
||||
Modules/main.c 2
|
||||
Modules/mathmodule.c 14
|
||||
Modules/mmapmodule.c 22
|
||||
Modules/mmapmodule.c 22
|
||||
Modules/posixmodule.c 79
|
||||
Modules/pwdmodule.c 4
|
||||
Modules/pyexpat.c 10
|
||||
Modules/readline.c 1
|
||||
Modules/resource.c 4
|
||||
Modules/rotatingtree.c 2
|
||||
Modules/selectmodule.c 1
|
||||
Modules/sha3module.c 4
|
||||
Modules/signalmodule.c 3
|
||||
Modules/socketmodule.c 75
|
||||
Modules/syslogmodule.c 3
|
||||
Modules/termios.c 1
|
||||
Modules/timemodule.c 10
|
||||
Modules/unicodedata.c 24
|
||||
Modules/unicodedata_db.h 1
|
||||
Modules/zlibmodule.c 24
|
||||
Objects/abstract.c 6
|
||||
Objects/bytearrayobject.c 42
|
||||
Objects/bytes_methods.c 4
|
||||
Objects/bytesobject.c 45
|
||||
Objects/call.c 12
|
||||
Objects/classobject.c 4
|
||||
Objects/codeobject.c 19
|
||||
Objects/descrobject.c 2
|
||||
Objects/dictobject.c 31
|
||||
Objects/fileobject.c 3
|
||||
Objects/floatobject.c 10
|
||||
Objects/frameobject.c 16
|
||||
Objects/funcobject.c 1
|
||||
Objects/genobject.c 3
|
||||
Objects/listobject.c 38
|
||||
Objects/longobject.c 47
|
||||
Objects/memoryobject.c 12
|
||||
Objects/methodobject.c 1
|
||||
Objects/mimalloc/alloc.c 6
|
||||
Objects/mimalloc/arena.c 6
|
||||
Objects/mimalloc/heap.c 2
|
||||
Objects/mimalloc/init.c 2
|
||||
Objects/mimalloc/options.c 4
|
||||
Objects/mimalloc/os.c 4
|
||||
Objects/mimalloc/page-queue.c 2
|
||||
Objects/mimalloc/page.c 2
|
||||
Objects/mimalloc/prim/unix/prim.c 6
|
||||
Objects/mimalloc/random.c 1
|
||||
Objects/mimalloc/segment.c 11
|
||||
Objects/mimalloc/stats.c 5
|
||||
Objects/moduleobject.c 4
|
||||
Objects/object.c 1
|
||||
Objects/obmalloc.c 6
|
||||
Objects/odictobject.c 6
|
||||
Objects/rangeobject.c 10
|
||||
Objects/setobject.c 13
|
||||
Objects/sliceobject.c 2
|
||||
Objects/stringlib/codecs.h 12
|
||||
Objects/stringlib/eq.h 1
|
||||
Objects/stringlib/fastsearch.h 8
|
||||
Objects/stringlib/join.h 3
|
||||
Objects/stringlib/replace.h 4
|
||||
Objects/stringlib/repr.h 21
|
||||
Objects/stringlib/transmogrify.h 26
|
||||
Objects/structseq.c 10
|
||||
Objects/tupleobject.c 8
|
||||
Objects/typeobject.c 38
|
||||
Objects/unicodectype.c 7
|
||||
Objects/unicodeobject.c 135
|
||||
Parser/action_helpers.c 3
|
||||
Parser/lexer/buffer.c 1
|
||||
Parser/lexer/lexer.c 14
|
||||
Parser/parser.c 116
|
||||
Parser/pegen.c 8
|
||||
Parser/string_parser.c 7
|
||||
Parser/tokenizer/file_tokenizer.c 9
|
||||
Parser/tokenizer/helpers.c 7
|
||||
Parser/tokenizer/readline_tokenizer.c 4
|
||||
Python/assemble.c 11
|
||||
Python/ast_opt.c 5
|
||||
Python/bltinmodule.c 8
|
||||
Python/bootstrap_hash.c 7
|
||||
Python/ceval.c 8
|
||||
Python/ceval_gil.c 2
|
||||
Python/codecs.c 28
|
||||
Python/codegen.c 6
|
||||
Python/compile.c 2
|
||||
Python/context.c 1
|
||||
Python/crossinterp.c 2
|
||||
Python/crossinterp_data_lookup.h 1
|
||||
Python/dtoa.c 30
|
||||
Python/errors.c 1
|
||||
Python/fileutils.c 11
|
||||
Python/flowgraph.c 7
|
||||
Python/formatter_unicode.c 6
|
||||
Python/frame.c 3
|
||||
Python/gc.c 9
|
||||
Python/gc.c 9
|
||||
Python/generated_cases.c.h 27
|
||||
Python/generated_cases.c.h 27
|
||||
Python/getargs.c 7
|
||||
Python/hashtable.c 1
|
||||
Python/import.c 6
|
||||
Python/import.c 7
|
||||
Python/initconfig.c 11
|
||||
Python/instrumentation.c 43
|
||||
Python/intrinsics.c 1
|
||||
Python/legacy_tracing.c 3
|
||||
Python/lock.c 4
|
||||
Python/marshal.c 16
|
||||
Python/modsupport.c 3
|
||||
Python/mystrtoul.c 4
|
||||
Python/pathconfig.c 1
|
||||
Python/perf_jit_trampoline.c 32
|
||||
Python/perf_trampoline.c 12
|
||||
Python/preconfig.c 2
|
||||
Python/pyarena.c 1
|
||||
Python/pyhash.c 4
|
||||
Python/pylifecycle.c 3
|
||||
Python/pystate.c 4
|
||||
Python/pystrhex.c 15
|
||||
Python/pystrtod.c 12
|
||||
Python/pytime.c 2
|
||||
Python/qsbr.c 2
|
||||
Python/specialize.c 9
|
||||
Python/suggestions.c 12
|
||||
Python/symtable.c 15
|
||||
Python/sysmodule.c 2
|
||||
Python/thread.c 1
|
||||
Python/thread_pthread.h 6
|
||||
Python/traceback.c 6
|
||||
Python/tracemalloc.c 6
|
||||
|
|
|
|||
|
|
@ -1,105 +1,68 @@
|
|||
"""
|
||||
Parses compiler output with -fdiagnostics-format=json and checks that warnings
|
||||
Parses compiler output from Clang or GCC and checks that warnings
|
||||
exist only in files that are expected to have warnings.
|
||||
"""
|
||||
|
||||
import argparse
|
||||
from collections import defaultdict
|
||||
import json
|
||||
import re
|
||||
import sys
|
||||
from pathlib import Path
|
||||
from typing import NamedTuple
|
||||
|
||||
|
||||
class FileWarnings(NamedTuple):
|
||||
name: str
|
||||
count: int
|
||||
|
||||
|
||||
def extract_warnings_from_compiler_output_clang(
|
||||
def extract_warnings_from_compiler_output(
|
||||
compiler_output: str,
|
||||
compiler_output_type: str,
|
||||
path_prefix: str = "",
|
||||
) -> list[dict]:
|
||||
"""
|
||||
Extracts warnings from the compiler output when using clang
|
||||
Extracts warnings from the compiler output based on compiler
|
||||
output type. Removes path prefix from file paths if provided.
|
||||
Compatible with GCC and Clang compiler output.
|
||||
"""
|
||||
# Regex to find warnings in the compiler output
|
||||
clang_warning_regex = re.compile(
|
||||
# Choose pattern and compile regex for particular compiler output
|
||||
if compiler_output_type == "gcc":
|
||||
regex_pattern = (
|
||||
r"(?P<file>.*):(?P<line>\d+):(?P<column>\d+): warning: "
|
||||
r"(?P<message>.*?)(?: (?P<option>\[-[^\]]+\]))?$"
|
||||
)
|
||||
elif compiler_output_type == "clang":
|
||||
regex_pattern = (
|
||||
r"(?P<file>.*):(?P<line>\d+):(?P<column>\d+): warning: "
|
||||
r"(?P<message>.*) (?P<option>\[-[^\]]+\])$"
|
||||
)
|
||||
compiled_regex = re.compile(regex_pattern)
|
||||
compiler_warnings = []
|
||||
for line in compiler_output.splitlines():
|
||||
if match := clang_warning_regex.match(line):
|
||||
for i, line in enumerate(compiler_output.splitlines(), start=1):
|
||||
if match := compiled_regex.match(line):
|
||||
try:
|
||||
compiler_warnings.append(
|
||||
{
|
||||
"file": match.group("file"),
|
||||
"file": match.group("file").removeprefix(path_prefix),
|
||||
"line": match.group("line"),
|
||||
"column": match.group("column"),
|
||||
"message": match.group("message"),
|
||||
"option": match.group("option").lstrip("[").rstrip("]"),
|
||||
}
|
||||
)
|
||||
|
||||
return compiler_warnings
|
||||
|
||||
|
||||
def extract_warnings_from_compiler_output_json(
|
||||
compiler_output: str,
|
||||
) -> list[dict]:
|
||||
"""
|
||||
Extracts warnings from the compiler output when using
|
||||
-fdiagnostics-format=json.
|
||||
|
||||
Compiler output as a whole is not a valid json document,
|
||||
but includes many json objects and may include other output
|
||||
that is not json.
|
||||
"""
|
||||
# Regex to find json arrays at the top level of the file
|
||||
# in the compiler output
|
||||
json_arrays = re.findall(r"\[(?:[^[\]]|\[[^]]*])*]", compiler_output)
|
||||
compiler_warnings = []
|
||||
for array in json_arrays:
|
||||
try:
|
||||
json_data = json.loads(array)
|
||||
json_objects_in_array = [entry for entry in json_data]
|
||||
warning_list = [
|
||||
entry
|
||||
for entry in json_objects_in_array
|
||||
if entry.get("kind") == "warning"
|
||||
]
|
||||
for warning in warning_list:
|
||||
locations = warning["locations"]
|
||||
for location in locations:
|
||||
for key in ["caret", "start", "end"]:
|
||||
if key in location:
|
||||
compiler_warnings.append(
|
||||
{
|
||||
# Remove leading current directory if present
|
||||
"file": location[key]["file"].lstrip("./"),
|
||||
"line": location[key]["line"],
|
||||
"column": location[key]["column"],
|
||||
"message": warning["message"],
|
||||
"option": warning["option"],
|
||||
}
|
||||
)
|
||||
# Found a caret, start, or end in location so
|
||||
# break out completely to address next warning
|
||||
break
|
||||
else:
|
||||
continue
|
||||
break
|
||||
|
||||
except json.JSONDecodeError:
|
||||
continue # Skip malformed JSON
|
||||
except:
|
||||
print(f"Error parsing compiler output. Unable to extract warning on line {i}:\n{line}")
|
||||
sys.exit(1)
|
||||
|
||||
return compiler_warnings
|
||||
|
||||
|
||||
def get_warnings_by_file(warnings: list[dict]) -> dict[str, list[dict]]:
|
||||
"""
|
||||
Returns a dictionary where the key is the file and the data is the warnings
|
||||
in that file. Does not include duplicate warnings for a file from list of
|
||||
provided warnings.
|
||||
Returns a dictionary where the key is the file and the data is the
|
||||
warnings in that file. Does not include duplicate warnings for a
|
||||
file from list of provided warnings.
|
||||
"""
|
||||
warnings_by_file = defaultdict(list)
|
||||
warnings_added = set()
|
||||
|
|
@ -124,22 +87,28 @@ def get_unexpected_warnings(
|
|||
are associated with a file that is not found in the list of files
|
||||
with expected warnings
|
||||
"""
|
||||
unexpected_warnings = []
|
||||
unexpected_warnings = {}
|
||||
for file in files_with_warnings.keys():
|
||||
found_file_in_ignore_list = False
|
||||
for ignore_file in files_with_expected_warnings:
|
||||
if file == ignore_file.name:
|
||||
if len(files_with_warnings[file]) > ignore_file.count:
|
||||
unexpected_warnings.extend(files_with_warnings[file])
|
||||
unexpected_warnings[file] = (files_with_warnings[file], ignore_file.count)
|
||||
found_file_in_ignore_list = True
|
||||
break
|
||||
if not found_file_in_ignore_list:
|
||||
unexpected_warnings.extend(files_with_warnings[file])
|
||||
unexpected_warnings[file] = (files_with_warnings[file], 0)
|
||||
|
||||
if unexpected_warnings:
|
||||
print("Unexpected warnings:")
|
||||
for warning in unexpected_warnings:
|
||||
for file in unexpected_warnings:
|
||||
print(
|
||||
f"{file} expected {unexpected_warnings[file][1]} warnings,"
|
||||
f" found {len(unexpected_warnings[file][0])}"
|
||||
)
|
||||
for warning in unexpected_warnings[file][0]:
|
||||
print(warning)
|
||||
|
||||
return 1
|
||||
|
||||
return 0
|
||||
|
|
@ -156,14 +125,14 @@ def get_unexpected_improvements(
|
|||
unexpected_improvements = []
|
||||
for file in files_with_expected_warnings:
|
||||
if file.name not in files_with_warnings.keys():
|
||||
unexpected_improvements.append(file)
|
||||
unexpected_improvements.append((file.name, file.count, 0))
|
||||
elif len(files_with_warnings[file.name]) < file.count:
|
||||
unexpected_improvements.append(file)
|
||||
unexpected_improvements.append((file.name, file.count, len(files_with_warnings[file.name])))
|
||||
|
||||
if unexpected_improvements:
|
||||
print("Unexpected improvements:")
|
||||
for file in unexpected_improvements:
|
||||
print(file.name)
|
||||
print(f"{file[0]} expected {file[1]} warnings, found {file[2]}")
|
||||
return 1
|
||||
|
||||
return 0
|
||||
|
|
@ -204,8 +173,15 @@ def main(argv: list[str] | None = None) -> int:
|
|||
"--compiler-output-type",
|
||||
type=str,
|
||||
required=True,
|
||||
choices=["json", "clang"],
|
||||
help="Type of compiler output file (json or clang)",
|
||||
choices=["gcc", "clang"],
|
||||
help="Type of compiler output file (GCC or Clang)",
|
||||
)
|
||||
parser.add_argument(
|
||||
"-p",
|
||||
"--path-prefix",
|
||||
type=str,
|
||||
help="Path prefix to remove from the start of file paths"
|
||||
" in compiler output",
|
||||
)
|
||||
|
||||
args = parser.parse_args(argv)
|
||||
|
|
@ -241,7 +217,9 @@ def main(argv: list[str] | None = None) -> int:
|
|||
# where the first element is the file name and the second element
|
||||
# is the number of warnings expected in that file
|
||||
files_with_expected_warnings = {
|
||||
FileWarnings(file.strip().split()[0], int(file.strip().split()[1]))
|
||||
FileWarnings(
|
||||
file.strip().split()[0], int(file.strip().split()[1])
|
||||
)
|
||||
for file in clean_files
|
||||
if file.strip() and not file.startswith("#")
|
||||
}
|
||||
|
|
@ -249,13 +227,10 @@ def main(argv: list[str] | None = None) -> int:
|
|||
with Path(args.compiler_output_file_path).open(encoding="UTF-8") as f:
|
||||
compiler_output_file_contents = f.read()
|
||||
|
||||
if args.compiler_output_type == "json":
|
||||
warnings = extract_warnings_from_compiler_output_json(
|
||||
compiler_output_file_contents
|
||||
)
|
||||
elif args.compiler_output_type == "clang":
|
||||
warnings = extract_warnings_from_compiler_output_clang(
|
||||
compiler_output_file_contents
|
||||
warnings = extract_warnings_from_compiler_output(
|
||||
compiler_output_file_contents,
|
||||
args.compiler_output_type,
|
||||
args.path_prefix
|
||||
)
|
||||
|
||||
files_with_warnings = get_warnings_by_file(warnings)
|
||||
|
|
@ -272,6 +247,11 @@ def main(argv: list[str] | None = None) -> int:
|
|||
if args.fail_on_improvement:
|
||||
exit_code |= status
|
||||
|
||||
print(
|
||||
"For information about this tool and its configuration"
|
||||
" visit https://devguide.python.org/development-tools/warnings/"
|
||||
)
|
||||
|
||||
return exit_code
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -1829,7 +1829,7 @@ Optional Features:
|
|||
(default is no)
|
||||
--enable-bolt enable usage of the llvm-bolt post-link optimizer
|
||||
(default is no)
|
||||
--disable-safety disable usage of the security compiler options with
|
||||
--enable-safety enable usage of the security compiler options with
|
||||
no performance overhead
|
||||
--enable-slower-safety enable usage of the security compiler options with
|
||||
performance overhead
|
||||
|
|
@ -9671,25 +9671,25 @@ fi
|
|||
# Enable flags that warn and protect for potential security vulnerabilities.
|
||||
# These flags should be enabled by default for all builds.
|
||||
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for --disable-safety" >&5
|
||||
printf %s "checking for --disable-safety... " >&6; }
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for --enable-safety" >&5
|
||||
printf %s "checking for --enable-safety... " >&6; }
|
||||
# Check whether --enable-safety was given.
|
||||
if test ${enable_safety+y}
|
||||
then :
|
||||
enableval=$enable_safety; if test "x$enable_safety" = xyes
|
||||
enableval=$enable_safety; if test "x$disable_safety" = xyes
|
||||
then :
|
||||
disable_safety=no
|
||||
enable_safety=no
|
||||
else $as_nop
|
||||
disable_safety=yes
|
||||
enable_safety=yes
|
||||
fi
|
||||
else $as_nop
|
||||
disable_safety=no
|
||||
enable_safety=no
|
||||
fi
|
||||
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $disable_safety" >&5
|
||||
printf "%s\n" "$disable_safety" >&6; }
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $enable_safety" >&5
|
||||
printf "%s\n" "$enable_safety" >&6; }
|
||||
|
||||
if test "$disable_safety" = "no"
|
||||
if test "$enable_safety" = "yes"
|
||||
then
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -fstack-protector-strong" >&5
|
||||
printf %s "checking whether C compiler accepts -fstack-protector-strong... " >&6; }
|
||||
|
|
@ -9767,6 +9767,201 @@ then :
|
|||
else $as_nop
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: -Wtrampolines not supported" >&5
|
||||
printf "%s\n" "$as_me: WARNING: -Wtrampolines not supported" >&2;}
|
||||
fi
|
||||
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -Wconversion" >&5
|
||||
printf %s "checking whether C compiler accepts -Wconversion... " >&6; }
|
||||
if test ${ax_cv_check_cflags__Werror__Wconversion+y}
|
||||
then :
|
||||
printf %s "(cached) " >&6
|
||||
else $as_nop
|
||||
|
||||
ax_check_save_flags=$CFLAGS
|
||||
CFLAGS="$CFLAGS -Werror -Wconversion"
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
|
||||
int
|
||||
main (void)
|
||||
{
|
||||
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
if ac_fn_c_try_compile "$LINENO"
|
||||
then :
|
||||
ax_cv_check_cflags__Werror__Wconversion=yes
|
||||
else $as_nop
|
||||
ax_cv_check_cflags__Werror__Wconversion=no
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
|
||||
CFLAGS=$ax_check_save_flags
|
||||
fi
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags__Werror__Wconversion" >&5
|
||||
printf "%s\n" "$ax_cv_check_cflags__Werror__Wconversion" >&6; }
|
||||
if test "x$ax_cv_check_cflags__Werror__Wconversion" = xyes
|
||||
then :
|
||||
CFLAGS_NODIST="$CFLAGS_NODIST -Wconversion"
|
||||
else $as_nop
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: -Wconversion not supported" >&5
|
||||
printf "%s\n" "$as_me: WARNING: -Wconversion not supported" >&2;}
|
||||
fi
|
||||
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -Wimplicit-fallthrough" >&5
|
||||
printf %s "checking whether C compiler accepts -Wimplicit-fallthrough... " >&6; }
|
||||
if test ${ax_cv_check_cflags__Werror__Wimplicit_fallthrough+y}
|
||||
then :
|
||||
printf %s "(cached) " >&6
|
||||
else $as_nop
|
||||
|
||||
ax_check_save_flags=$CFLAGS
|
||||
CFLAGS="$CFLAGS -Werror -Wimplicit-fallthrough"
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
|
||||
int
|
||||
main (void)
|
||||
{
|
||||
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
if ac_fn_c_try_compile "$LINENO"
|
||||
then :
|
||||
ax_cv_check_cflags__Werror__Wimplicit_fallthrough=yes
|
||||
else $as_nop
|
||||
ax_cv_check_cflags__Werror__Wimplicit_fallthrough=no
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
|
||||
CFLAGS=$ax_check_save_flags
|
||||
fi
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags__Werror__Wimplicit_fallthrough" >&5
|
||||
printf "%s\n" "$ax_cv_check_cflags__Werror__Wimplicit_fallthrough" >&6; }
|
||||
if test "x$ax_cv_check_cflags__Werror__Wimplicit_fallthrough" = xyes
|
||||
then :
|
||||
CFLAGS_NODIST="$CFLAGS_NODIST -Wimplicit-fallthrough"
|
||||
else $as_nop
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: -Wimplicit-fallthrough not supported" >&5
|
||||
printf "%s\n" "$as_me: WARNING: -Wimplicit-fallthrough not supported" >&2;}
|
||||
fi
|
||||
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -Werror=format-security" >&5
|
||||
printf %s "checking whether C compiler accepts -Werror=format-security... " >&6; }
|
||||
if test ${ax_cv_check_cflags__Werror__Werror_format_security+y}
|
||||
then :
|
||||
printf %s "(cached) " >&6
|
||||
else $as_nop
|
||||
|
||||
ax_check_save_flags=$CFLAGS
|
||||
CFLAGS="$CFLAGS -Werror -Werror=format-security"
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
|
||||
int
|
||||
main (void)
|
||||
{
|
||||
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
if ac_fn_c_try_compile "$LINENO"
|
||||
then :
|
||||
ax_cv_check_cflags__Werror__Werror_format_security=yes
|
||||
else $as_nop
|
||||
ax_cv_check_cflags__Werror__Werror_format_security=no
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
|
||||
CFLAGS=$ax_check_save_flags
|
||||
fi
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags__Werror__Werror_format_security" >&5
|
||||
printf "%s\n" "$ax_cv_check_cflags__Werror__Werror_format_security" >&6; }
|
||||
if test "x$ax_cv_check_cflags__Werror__Werror_format_security" = xyes
|
||||
then :
|
||||
CFLAGS_NODIST="$CFLAGS_NODIST -Werror=format-security"
|
||||
else $as_nop
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: -Werror=format-security not supported" >&5
|
||||
printf "%s\n" "$as_me: WARNING: -Werror=format-security not supported" >&2;}
|
||||
fi
|
||||
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -Wbidi-chars=any" >&5
|
||||
printf %s "checking whether C compiler accepts -Wbidi-chars=any... " >&6; }
|
||||
if test ${ax_cv_check_cflags__Werror__Wbidi_chars_any+y}
|
||||
then :
|
||||
printf %s "(cached) " >&6
|
||||
else $as_nop
|
||||
|
||||
ax_check_save_flags=$CFLAGS
|
||||
CFLAGS="$CFLAGS -Werror -Wbidi-chars=any"
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
|
||||
int
|
||||
main (void)
|
||||
{
|
||||
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
if ac_fn_c_try_compile "$LINENO"
|
||||
then :
|
||||
ax_cv_check_cflags__Werror__Wbidi_chars_any=yes
|
||||
else $as_nop
|
||||
ax_cv_check_cflags__Werror__Wbidi_chars_any=no
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
|
||||
CFLAGS=$ax_check_save_flags
|
||||
fi
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags__Werror__Wbidi_chars_any" >&5
|
||||
printf "%s\n" "$ax_cv_check_cflags__Werror__Wbidi_chars_any" >&6; }
|
||||
if test "x$ax_cv_check_cflags__Werror__Wbidi_chars_any" = xyes
|
||||
then :
|
||||
CFLAGS_NODIST="$CFLAGS_NODIST -Wbidi-chars=any"
|
||||
else $as_nop
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: -Wbidi-chars=any not supported" >&5
|
||||
printf "%s\n" "$as_me: WARNING: -Wbidi-chars=any not supported" >&2;}
|
||||
fi
|
||||
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -Wall" >&5
|
||||
printf %s "checking whether C compiler accepts -Wall... " >&6; }
|
||||
if test ${ax_cv_check_cflags__Werror__Wall+y}
|
||||
then :
|
||||
printf %s "(cached) " >&6
|
||||
else $as_nop
|
||||
|
||||
ax_check_save_flags=$CFLAGS
|
||||
CFLAGS="$CFLAGS -Werror -Wall"
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
|
||||
int
|
||||
main (void)
|
||||
{
|
||||
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
if ac_fn_c_try_compile "$LINENO"
|
||||
then :
|
||||
ax_cv_check_cflags__Werror__Wall=yes
|
||||
else $as_nop
|
||||
ax_cv_check_cflags__Werror__Wall=no
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
|
||||
CFLAGS=$ax_check_save_flags
|
||||
fi
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags__Werror__Wall" >&5
|
||||
printf "%s\n" "$ax_cv_check_cflags__Werror__Wall" >&6; }
|
||||
if test "x$ax_cv_check_cflags__Werror__Wall" = xyes
|
||||
then :
|
||||
CFLAGS_NODIST="$CFLAGS_NODIST -Wall"
|
||||
else $as_nop
|
||||
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: -Wall not supported" >&5
|
||||
printf "%s\n" "$as_me: WARNING: -Wall not supported" >&2;}
|
||||
fi
|
||||
|
||||
fi
|
||||
|
|
|
|||
15
configure.ac
15
configure.ac
|
|
@ -2500,16 +2500,21 @@ AS_VAR_IF([with_strict_overflow], [yes],
|
|||
# Enable flags that warn and protect for potential security vulnerabilities.
|
||||
# These flags should be enabled by default for all builds.
|
||||
|
||||
AC_MSG_CHECKING([for --disable-safety])
|
||||
AC_MSG_CHECKING([for --enable-safety])
|
||||
AC_ARG_ENABLE([safety],
|
||||
[AS_HELP_STRING([--disable-safety], [disable usage of the security compiler options with no performance overhead])],
|
||||
[AS_VAR_IF([enable_safety], [yes], [disable_safety=no], [disable_safety=yes])], [disable_safety=no])
|
||||
AC_MSG_RESULT([$disable_safety])
|
||||
[AS_HELP_STRING([--enable-safety], [enable usage of the security compiler options with no performance overhead])],
|
||||
[AS_VAR_IF([disable_safety], [yes], [enable_safety=no], [enable_safety=yes])], [enable_safety=no])
|
||||
AC_MSG_RESULT([$enable_safety])
|
||||
|
||||
if test "$disable_safety" = "no"
|
||||
if test "$enable_safety" = "yes"
|
||||
then
|
||||
AX_CHECK_COMPILE_FLAG([-fstack-protector-strong], [CFLAGS_NODIST="$CFLAGS_NODIST -fstack-protector-strong"], [AC_MSG_WARN([-fstack-protector-strong not supported])], [-Werror])
|
||||
AX_CHECK_COMPILE_FLAG([-Wtrampolines], [CFLAGS_NODIST="$CFLAGS_NODIST -Wtrampolines"], [AC_MSG_WARN([-Wtrampolines not supported])], [-Werror])
|
||||
AX_CHECK_COMPILE_FLAG([-Wconversion], [CFLAGS_NODIST="$CFLAGS_NODIST -Wconversion"], [AC_MSG_WARN([-Wconversion not supported])], [-Werror])
|
||||
AX_CHECK_COMPILE_FLAG([-Wimplicit-fallthrough], [CFLAGS_NODIST="$CFLAGS_NODIST -Wimplicit-fallthrough"], [AC_MSG_WARN([-Wimplicit-fallthrough not supported])], [-Werror])
|
||||
AX_CHECK_COMPILE_FLAG([-Werror=format-security], [CFLAGS_NODIST="$CFLAGS_NODIST -Werror=format-security"], [AC_MSG_WARN([-Werror=format-security not supported])], [-Werror])
|
||||
AX_CHECK_COMPILE_FLAG([-Wbidi-chars=any], [CFLAGS_NODIST="$CFLAGS_NODIST -Wbidi-chars=any"], [AC_MSG_WARN([-Wbidi-chars=any not supported])], [-Werror])
|
||||
AX_CHECK_COMPILE_FLAG([-Wall], [CFLAGS_NODIST="$CFLAGS_NODIST -Wall"], [AC_MSG_WARN([-Wall not supported])], [-Werror])
|
||||
fi
|
||||
|
||||
AC_MSG_CHECKING([for --enable-slower-safety])
|
||||
|
|
|
|||
Loading…
Reference in New Issue