Release Notes for the Advance Toolchain 16.0-4
Features in 16.0-4
- The Advance Toolchain is a self contained toolchain which isn't reliant on the base system toolchain.
- Base toolchain packages:
- GNU Binutils - 2.39.0-a648fe307354 online docs
- Expat XML Parser - 2.4.8-3bab6c09bbe8 online docs
- GCC (GNU Compiler Collection) - 12.3.1-33b20852ebfd [C, C++ (g++), fortran, Go] online docs
- GNU Standard C++ Library v3 (Libstdc++-v3) - 12.3.1-33b20852ebfd online docs
- GNU Libgomp - 12.3.1-33b20852ebfd online docs
- GNU C Library - 2.36-88d5d70b1e89 online docs
- GNU Multiple Precision Library - 6.1.2 online docs
- GNU MPC Library - 1.1.0-69ad1bcb8e9e online docs
- GNU MPFR Library - 4.0.2 online docs
- Additional support libraries, including some additional floating point support libraries:
- Decimal Floating Point C Library - 1.0.16-ff629deadfd1 online docs
- Libhugetlbfs - 2.23-6b126a4d7da9 online docs
- Libvecpf - 1.1.0 online docs
- Open Secure Sockets Layer - 3.0.12-b8514a7d0aee online docs
- IBM Power Architecture Facilities Library - 0.3.0-cbb41aa0538a online docs
- Power Vector Library - 1.0.4.4-60759126a0f6 online docs
- Python - 3.10.13-b6535ea7ecf4 online docs
- TCMalloc - 2.9.1-f7c6fb6c8e99 online docs
- ZLIB Compression Library - 1.2.12-21767c654d31 online docs
- Development tools:
- GDB (GNU Debugger) - 12.1.90-a4418a9c6f99 online docs
- Additional performance and debugging tools:
- Valgrind - 3.19.0-8d3c8034b87d online docs
- Additional multi core support libraries:
- Boost - 1.79.0 online docs
- SPHDE - 1.4.0-10897accedb5 online docs
- Userspace RCU - 0.14.0-fb171ffff872 online docs
- Thread Building Blocks - 2021.6.0-4533e4ff0f0a online docs
- POWER NX zlib compliant library:
- NX GZIP library - 0.64-ba21450f7e4a online docs
- Power10 enablement.
- Power9 enablement.
- Power10-optimized instruction scheduling in GCC.
- Power9-optimized instruction scheduling in GCC.
- Requires at least Power9 for ppc64le on RHEL 9 and Ubuntu 22.04.
- Requires at least Power8 for ppc64le on SLES 15 and Debian 11.
- Power8 Transactional Memory enablement.
- Power8 Crypto Operations enablement.
- Power8, Power9, and Power10 optimized system libraries.
- _Float128 enablement as specified by ISO/IEC TS 18661-3, for Power9 and Power10.
- Power10 Matrix-Math Assist enablement.
- GCC creates binaries using -mcpu=power9 -mtune=power10 on RHEL 9 and Ubuntu 22.04.
- GCC creates binaries using -mcpu=power8 -mtune=power10 on SLES 15 and Debian 11.
New features in 16.0-4
- GCC provides:
- Fix for libstdc++ stacktrace testsuite failures with --enable-default-pie.
- Fix for error: inlining failed in call to 'always_inline' 'hwy::PreventElision<int&>(int&)void': target specific option mismatch.
- Fix for Error: operand out of range (0x1391c is not between 0xffffffffffff8000 and 0x7fff).
- Fix for Inconsistent behaviors between non-LTO and LTO.
- Fix for Out of bounds access with optimization inside io-implied-do-control.
- Fix for std::stacktrace does not identify symbols in shared library.
- Fix for ICE: in verify_gimple_in_seq on powerpc-darwin9.
- GNU C Library provides:
- Userspace RCU provides:
- Fix urcu-bp: misaligned reader accesses.
- OpenSSL provides:
- Version 3.0.12, see the release notes for details.
- Fix for Multiple Strict-Aliasing Violations.
- Fix for BN_mod_inverse incorrect result when parameters are aliased.
- Fix for Leak of los after ossl_X509_ALGOR_from_nid() failure in rsa_cms_encrypt().
- Fix for openssl 3.x compilation errors with icx and nvc.
- Fix for DTLS use-after-free triggered by error injection.
- Fix for Potential use after free in callers of X509v3_asid_add_id_or_range().
- Fix for SIGSEGV from EVP_MAC_CTX_get_mac_size().
- Python provides:
Previous releases
New features in 16.0-3
- GCC provides:
- Version 12.3, see the release notes for details.
- Fix for Additonal test failures with --enable-default-pie.
- Fix for PowerPC V4SFmode should not use Altivec instructions on VSX systems.
- Fix for PACK intrinsic returns blank strings when an allocatable character array with allocatable length is used.
- Fix for ICE in mio_name_expr_t, at fortran/module.c:2159.
- Fix for ICE in extract_insn, at recog.c:2294 (error: unrecognizable insn).
- Fix for power10: Error: operand out of range.
- Fix for ICE in warn_parm_array_mismatch when merging two function decls and VLA arguments since r12-1218-gc6503fa93b5565c9.
- Fix for ICE in gfc_arith_plus, at fortran/arith.cc:654.
- Fix for gcc.target/powerpc/float128-cmp2-runnable.c fails with excess errors on power 9 BE since r12-5752.
- Fix for Cannot use enum array with -fno-druntime.
- Fix for Vector truncation test program produces incorrect result since r12-6537-g080a06fcb076b3.
- Fix for test case libffi.closures/cls_align_longdouble_split.c fails.
- Fix for Pointer-valued function reference rejected as actual argument.
- Fix for ICE in in extract_insn, at recog.cc:2791 on ppc64le with -mno-vsx.
- Fix for -mfull-toc (-mfp-in-toc) yields incorrect _Float128 constants on power9.
- Fix for core.volatile.volatileLoad discarded if result is unused.
- Fix for ICE in gfc_compare_expr for findloc with complex literal array.
- Fix for MINVAL/MAXVAL and deferred-length character arrays.
- Fix for vec_ternarylogic intrinsic generates incorrect code on POWER10 target when compiled with GCC.
- GNU C Library provides:
- Fix for Deferred cancellation triggers in __check_pf and looses lock leading to deadlock..
- Fix for _dl_check_caller returns false when libc is linked through an absolute DT_NEEDED path.
- Fix for gmon memory corruption due wrong calculation of required buffer size.
- Fix for Memory corruption when incorrectly calling _mcleanup/__monstartup/moncontrol repeatedly or in wrong order.
- Fix for sgetsgent_r does not implement ERANGE protocol compatible with sgetsgent.
- Fix for system() erroneously block SIGCHLD forever when called concurrently.
- Fix for _dl_find_object incorrectly returns 1 during early startup.
- Fix for Always call destructors in reverse constructor order.
- Fix for F_GETLK, F_SETLK, and F_SETLKW value change for powerpc64 with -D_FILE_OFFSET_BITS=64.
- Fix for (CVE-2023-4527) Stack read overflow in getaddrinfo in no-aaaa mode.
- Fix for (CVE-2023-4806) potential use-after-free in getcanonname.
- Userspace RCU provides:
- urcu-wait: Initialize node in URCU_WAIT_NODE_INIT.
- Fix: urcu-wait: add missing futex.h include.
- Revert "compiler.h: Introduce caa_unqual_scalar_typeof".
- rculfhash: Use caa_container_of_check_null in cds_lfht_entry.
- compiler.h: Introduce caa_container_of_check_null.
- compiler.h: Introduce caa_unqual_scalar_typeof.
- Avoid calling caa_container_of on NULL pointer in cds_lfht macros.
- OpenSSL provides:
- Version 3.0.10, see the release notes for details.
- Fix for OpenSSL 3.0.x regression around OCSP w/ proxy.
- Fix for EVP_CIPHER_CTX_copy in OSSL 3.0 not functioning as expected?.
- Fix for Modulus value written to wrong file handle in req command, resulting in invalid certificate file.
- Fix for OpenSSL 3: x25519 a decode from and then encode to a pem file corrupts the key if fips+base provider is used.
- Fix for Using the AVX-512 code path for Poly1305 clears non-volatile XMM registers and does not restore them..
- Fix for PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x) : something has changed since v3.0 ! .
- Fix for crypto/perlasm/arm-xlate.pl mangles output.
- Fix for OSSL_STORE error reporting masked on EOF.
- Fix for Replace CPUID_OBJ with OPENSSL_CPUID_OBJ in chacha test.
- Fix for Return value confusion in cms_sd_asn1_ctrl().
- Python provides:
- Version 3.10.13, see the release notes for details.
New features in 16.0-2
- GCC provides:
- Fix for ICE in attr_decl1, at fortran/decl.c:8691.
- Fix for ICE in resolve_common_vars, at fortran/resolve.c:956 since r11-3866-g4d2a56a0f7135469.
- Fix for ICE in gfc_free_namespace, at fortran/symbol.c:4039 since r10-2798-ge68a35ae4a65d2b3.
- Fix for ICE in resolve_symbol, at fortran/resolve.cc:15815.
- Fix for ICE in check_assumed_size_reference, at fortran/resolve.cc:1650.
- Fix for error: #error You must define PREFERRED_DEBUGGING_TYPE if DWARF is not supported.
- Fix for -Wanalyzer-use-of-uninitialized-value false positive on partly initialized array.
- Fix for ICE in add_init_expr_to_sym, at fortran/decl.cc:2132.
- Fix for -Wanalyzer-null-dereference false positive due to analyzer not making assumptions for `__attribute__((nonnull))`.
- Fix for Missing -Wanalyzer-use-of-uninitialized-value on calls handled by state machines.
- Fix for LTO plugin fails to build in parallel builds: xgcc: fatal error: cannot execute '/build/build/./prev-gcc/collect2': execv: Bad address since r13-2011-g53e3b2bf16a486.
- Fix for ICE on automatic array of derived type with DTIO.
- Fix for ICE: 'verify_gimple' failed.
- Fix for Long compile times on code with C complex since r11-3299-gcba079f354a55363.
- Fix for -Wanalyzer-null-dereference false positive with giving weird path infomation.
- Fix for Bogus warning: promoted bitwise complement of an unsigned value is always nonzero.
- Fix for ICE in gfc_conv_procedure_call, at fortran/trans-expr.cc:6193.
- Fix for -Wanalyzer-use-of-uninitialized-value false positive with while loop in pthread_cleanup_push.
- Fix for ICE: gdc segfault on label continue.
- Fix for ICE on recursive DT with DTIO since r7-4096-gbf9f15ee55f5b291.
- Fix for ICE in update_specialized_profile at gcc/ipa-cp.cc:5082 for 531.deepsjeng_r benchmark.
- Fix for ICE in cgraph_node::get_untransformed_body since r13-48-g27ee75dbe81bb7.
- Fix for GCC Static Analyzer doesn't realize `0 - width <= 0` is always true when `width > 0` and `width is int` type,.
- Fix for Duplicate CONTIGUOUS attribute should be diagnosed.
- Fix for backward compatibility issue between 11 and 12.
- Fix for UBsan missed an out-of-bound bug at -O0 since r7-1900-g8a1b7b7fd75a3847.
- Fix for -Wunused-variable gives misleading duplicate warning for unused static local variable.
- Fix for Incorrect bound calculation when bound intrinsic used in size expression.
- Fix for LTO mismatch for __builtin_realloc between glibc and gfortran frontend.
- Fix for PPCLE: vec_vsubcuq missing since r12-5752-gd08236359eb229.
- Fix for ICE in check_charlen_present, at fortran/iresolve.cc:98 since r13-4394-g3832c6f7e672e76b.
- Fix for ICE in get_expr_storage_size, at fortran/interface.cc:2862.
- Fix for ICE in class_allocatable, at fortran/expr.cc:5000.
- Fix for ICE in sort_actual, at fortran/intrinsic.cc:4380 since r12-5793-g689407ef916503b2.
- Fix for ICE in check_complete_insertion, at hash-table.h:578.
- Fix for ICE in gfc_trans_use_stmts, at fortran/trans-decl.cc:5361 since r6-3704-g2b3f52a2d0fb22ba.
- Fix for ICE in get_expr_storage_size, at fortran/interface.cc:2941.
- Fix for ICE in gfc_check_dependency, at fortran/dependency.cc:1295.
- Fix for ICE in compare_bound_int(): Bad expression.
- Fix for ICE in transformational_result, at fortran/simplify.cc:478.
- Fix for builtin_va_arg_pack_len is documented to return size_t, but actually returns int.
- Fix for Many -Wanalyzer-use-of-uninitialized-value false positives seen in qemu's softfloat.c.
- Fix for Incorrect DW_AT_decl_{line,column} in DW_TAG_imported_decl.
- Fix for -Wanalyzer-use-of-uninitialized-value false positives seen with __attribute__((cleanup)).
- Fix for LTO: ltrans temporary file is used as module name in ASAN.
- Fix for Explicit immutable struct import internal compiler error.
- Fix for slow compilation with "-fsanitize=undefined".
- Fix for memory leak of get_intrinsic_dummy_arg result.
- Fix for Intrinsic IBITS(I,POS,LEN) fails when LEN equals to BIT_SIZE(I)..
- Fix for fanalyzer false positive with the uninitalised-ness of the stack pointer.
- Fix for Sufficiently narrow terminal window causes selftest failure.
- Fix for Incorrect warning for [static] array parameter.
- Fix for UBsan failed to detect out-of-bound at -O0/1/2/s.
- Fix for Powerpc GCC does not support __ibm128 complex multiply/divide if long double is IEEE 128-bit..
- Fix for Uninit false positive from -fanalyzer when longjmp unwinds frames with return stmts.
- Fix for UBsan misses a divide-by-zero.
- Fix for ICE using __builtin_vec_xst_trunc built-in.
- Fix for nearest(huge(x),-1.0_kind(x)) half of correct value.
- Fix for ICE in fold_convert_loc, at fold-const.c:2449.
- Fix for External function not recognised from within an associate block.
- Fix for strtoflt128 produces different results for subnormals with -m32 and -m64.
- Fix for ICE in hash_operand, at fold-const.c:3768.
- Fix for ICE in mio_name_expr_t, at fortran/module.c:2159.
- Fix for ICE in expr_check_typed_help, at fortran/expr.c:5437.
- Fix for ICE: tree check: expected identifier_node, have tree_list in is_attribute_p, at attribs.h:155 [C2X or C++11 attribute syntax, gnu::format and -Wsuggest-attribute=format] or a suggest warning (release checking).
- Fix for ICE in gfc_current_interface_head, at fortran/interface.c:4699.
- GNU C Library provides:
- Fix for build failures with -O1 due to -Wmaybe-uninitialized.
- Fix for PowerPC: Redefinition error with Clang from IEEE redirection headers.
- Fix for Data race __run_exit_handlers.
- Fix for nscd: No such file or directory.
- Fix for librtld.os: in function `_dl_start_profile': (.text+0x9444): undefined reference to `strcpy'.
- Fix for wcsnlen length can overflow in page cross case..
- Fix for elf/tst-tlsopt-powerpc fails when compiled with -mcpu=power10.
- Fix for Segmentation fault in memcmp-sse2.S if memory contents can concurrently change.
- Fix for __libc_start_main() should obtain program headers address (_dl_phdr) from the auxv, not the ELF header..
- Fix for daylight variable not set correctly if last DST change coincides with offset change.
- GNU Debugger provides:
- Fix for commit_resumed_state assertion failure when killing running inferior and running again.
- Fix disable commit resumed in target_kill.
- Fix switch to right process in find_one_thread.
- Fix assert when quitting GDB while a thread is stepping.
- Userspace RCU provides:
- Version 0.14.0, see the change log for details.
- Fix for warning 'noreturn' function does return on ppc.
- Fix for use __noreturn__ for C11-compatibility.
- OpenSSL provides:
- Version 3.0.8, see the release notes for details.
- Fix for Provider decoder man and header file mismatch.
- Fix for ossl_ecx_key_op not able to access in openssl3.0 Engine.
- Fix for Null Ptr Deref in CMS_decrypt_set1_pkey_and_peer.
- Fix for fix ignored clearold flag.
- Fix for Openssl-3.0.7 Error while running speed test for DES-EDE (ECB, CBC, CFB , OFB modes ).
- Fix for Duplicate symbols libssl.a and libcrypto.a (3.0.8 regression).
- Fix for DSA_sign hangs with invalid parameters.
- Fix for a double free bug in crypto/http/http_client.c.
- Fix for early_data and CCM ciphersuite (openssl 3.0.5).
- Fix for Incorrect cast sign?.
- Fix for size_t vs int confusion in recent commits.
- Fix for EVP_PKEY_(get_)id not returning an OID (for provider PKEYs).
- Fix for DTLS 1.2 Application Data prior to CCS/Finish.
- Python provides:
- Version 3.10.11, see the release notes for details.
- Fix for Clarify and simplify description of print's flush param.
New features in 16.0-1
- GCC provides:
- Fix for ICE on subroutine call with allocatable polymorphic assumed-rank argument.
- Fix for Wrong code with intent out assumed-rank allocatable.
- Fix for Unlimited polymorphic pointers and allocatables have incorrect rank.
- Fix for Polymorphic pointers and allocatables have incorrect rank.
- Fix for Automatic reallocation fails inside select rank.
- Fix for Optimization breaks pointer association.
- Fix for ICE, regression, using flag -fcheck=pointer.
- Fix for ICE on automatic reallocation.
- Fix for ICE in related_vector_mode, at stor-layout.c:537.
- Fix for ICE in copy_to_mode_reg, at explow.c:651.
- Fix for Indefinite recursion when compiling -mmma requiring testcase w/ -maltivec.
- Fix for ICE: Invalid expression in gfc_element_size since r10-2083-g8dc63166e0b85954.
- Fix for ICE in gfc_conv_expr_op, at fortran/trans-expr.c:3882 since r12-3993-gb19bbfb148250536.
- Fix for ICE: Segmentation fault (in rs6000_builtin_type_compatible), or ICE: tree check: expected class 'type', have 'reference' (attr_addr_expr) in cp_type_quals, at cp/typeck.cc:10955.
- Fix for ICE: Segmentation fault in pcrel-opt.md:get_insn_name().
- Fix for ICE in find_array_section, at fortran/expr.cc:1582.
- Fix for [PowerPC] No array-to-pointer conversion for MMA accumulator.
- Fix for Some ppc64le tests fail with -mcpu=power9 -mtune=power9.
- Fix for [OpenMP] declare simd fails with with bogus "already been host associated" for module procedures.
- Fix for ieee_signaling_nan problem in fortran on powerpc64.
- Fix for dump_printf_loc has incorrect format attribute.
- Fix for clobber ordering problem when an actual intent(in) argument depends on the value of an intent(out) argument.
- Fix for ICE in gfc_simplify_pack, at fortran/simplify.cc:6438 since r12-4278-g74ccca380cde5e79.
- Fix for -Waddress + bool + pragma generates meaningless diagnostic.
- Fix for [10 Regression][OpenACC][OpenMP] ICE in decompose, at wide-int.h:984 with '#pragma omp/acc atomic capture'.
- Fix for ICE in gfc_simplify_expr, at fortran/expr.cc:2290.
- Fix for ICE in simplify_findloc_nodim, at fortran/simplify.cc:5675.
- Fix for ICE in gfc_simplify_unpack, at fortran/simplify.cc:8461.
- Fix for lto-dump -gimple-stats ICE Segmentation Fault.
- Fix for ICE in generate_coarray_sym_init, at fortran/trans-decl.c:5203.
- Fix for ICE: Segmentation fault (in add_reg_note).
- Fix for gcc.target/powerpc/divkc3-1.c and mulkc3-1.c fail for 32 bits.
- GNU C Library provides:
- Fix for Cannot resolve hosts which have wildcard aliases.
- Fix for nss/tst-nss-files-hosts-long fails when no interface has AF_INET6 address (ie docker).
- Fix for PowerPC: Redefinition error with Clang from IEEE redirection headers.
- Fix for New DSO dependency sorter does not put new map first if in a cycle.
- Fix for Output of mktime with latest gcc and glibc differs with their older version when is_dst flag set.
- Fix for Inefficient buffer space usage in nss_dns for gethostbyname and other functions.
- Fix for getaddrinfo with AI_ADDRCONFIG returns addresses with wrong family.
- Fix for math/test-float128-y1 fails on x86_64.
- Fix for test-ibm128-llround fails on ppc64el when built with gcc-12 and -O2 or higher.
- Fix for __libc_early_init not called after dlmopen that reuses namespace.
- Fix for (CVE-2022-39046) syslog fail to create large messages (CVE-2022-39046).
- Fix for [2.34 regression]: Alignment issue on m68k when using futexes on qemu-user.
- Fix for LD_TRACE_LOADED_OBJECTS changed how vDSO library are printed.
- Fix for Regression in syslog(3) calls breaks RFC due to extra whitespace.
- Fix for Incorrect way to change MAKEFLAGS in Makerules.
- Fix for iconv failures on 32bit platform due to missing large file support.
- Fix for dlmopen hangs after loading certain libraries.
- Fix for Regression in NSCD backend of getaddrinfo.
- Fix for nscd repeatably crashes calling __strlen_avx2 when hosts cache is enabled.
- Fix for Optimized AVX2 string functions unconditionally use BMI2 instructions.
- Fix for stdlib: arc4random fallback is never used.
- Fix for Incorrect struct stat for 64-bit time on linux/generic platforms.
- Fix for Restore IPC_64 support in sysvipc *ctl functions.
- Binutils provides:
- Userspace RCU provides:
- Fix: Always check pthread_create for failures.
- OpenSSL provides:
- Version 3.0.7, see the release notes for details.
- Fix for OpenSSL 3.0 : segmentation fault with devcrypto engine.
- Fix for SIGSEGV when registering an engine for default ciphers used by drbg (occurred inside sshd).
- Fix for ED25519_sign and ED448_sign missing check for private_key leading to segfault.
- Fix for openssl 3.0.5 build error [BEGIN failed--compilation aborted at providers/common/der/oids_to_c.pm line 26.].
- Fix for "openssl sha1 -verify" fails with OpenSSL 3.0.7.
- Fix for Cannot build with assembler acceleration on non-Unix IA64.
- Python provides:
- Version 3.10.8, see the release notes for details.
- Fix for argparse: Fix IndexError on store_true action.
- Fix for Ignore_dangling_symlinks does not apply recursively.
- Fix for Reorganize C API tests.
- Fix for Clarify asyncio.loop.start_tls parameters.
- Fix for Add note warning about entry point guard for asyncio example.
- Fix for Locate frozen module source with __file__.
- Fix for Prevent error when activating venv in nested fish instances.
- Fix for Fix module docstring extraction in pygettext.
- Fix for Add callable entry to the glossary.
- Fix for Turn @writes_bytecode_files to skip when not running.
- Fix for Formatting changes for faq/programming.
- Fix for Make urllib.parse.urlparse reject non-numeric ports.
- Fix for Print exception class name instead of its representation.
- Fix for Fix UUID ifconfig MAC address detection.
- Fix for Fix handling options starting with "-" in tkinter.Text.count().
- Fix for Use sphinx.locale._ as gettext() in pyspecific.py.
- Fix for Cover `PyMapping_HasKeyString` and `PyMapping_HasKey`.
- Fix for Don't use Linux abstract sockets for multiprocessing.
- Fix for Test abstract methods of some `collections` types.
- Fix for Fix base classes in `typing.rst`.
- Fix for Make note that null bytes are used to pad bytes.
- Fix for Improve coverage of `unicode_find` and `unicode_rfind`.
- Fix for Fix #ifdef in sha3module.c.
- Fix for Add mutex to unittest.mock.NonCallableMock.
- Fix for Fix asyncio proactor_events calling _call_connection_lost multiple times.
- Fix for Fix readline.c compiler warning..
- Fix for Update libexpat from 2.4.9 to 2.5.0.
- Fix for Fix validation of conditional expressions in RE.
- Fix for Fix typecheck in `overlapped.c`.
- Fix for Clean up refleak in _io initialisation.
- Fix for Clean up refleak in _pickle initialisation.
- Fix for Clean up refleak in _zoneinfo initialisation.
- Fix for Memory leak if `math.dist` raises exception.
- Fix for Fix subscription of type aliases.
- Fix for Clarify the contract of PyMem_SetAllocator().
- Fix for Fix implicit int warning in configure check for PTHREAD_SCOPE_SYSTEM.
- Fix for Use concrete exception types in `test_builtin`.
- Fix for `statistics.NormalDist` fails to be pickled with `0` and `1` protocols.
- Fix for Clarify the type of the env dict.
- Fix for Fix `SystemError` in `ctypes` during `__initsubclass__`.
- Fix for Fix SQLite converter recipes.
New features in 16.0-0
- GCC provides:
- Version 12.2, see the release notes for details.
- GNU C Library provides:
- Version 2.36, see the release notes for details.
- Fix for CMSG_NXTHDR may trigger -Wstrict-overflow warning.
- Fix for __dlopen now ignores dl_caller argument in static mode.
- Fix for dl-cache.c:513: undefined reference to `strcpy' with -Og or -O1 (doesn't happen with -O2).
- Fix for Make hangs when the test misc/tst-pidfile returns FAIL_UNSUPPORTED.
- Binutils provides:
- Version 2.39, see the release notes for details.
- Fix for gas-2.39 started adding 0-sized DIEs to functions without .size.
- Fix for internal error in relocate, at powerpc.cc:10796.
- Fix for APP/NO_APP with linefile.
- GNU Debugger provides:
- Version 12.1, see the release notes for details.
- Fix for core-file -> detach -> crash.
- OpenSSL provides:
- Version 3.0.5, see the release notes for details.
- Expat provides:
- Version 2.4.8, see the release notes for details.
- Python provides:
- Version 3.10.6, see the release notes for details.
- Boost provides:
- Version 1.79.0, see the release notes for details.
- libnxz provides:
- Version 0.64, see the release notes for details.
- Power Vector Library provides:
- Version 1.0.4.4, see the release notes for details.
- Valgrind provides:
- Version 3.19.0, see the release notes for details.
- zlib provides:
- Version 1.2.12, see the release notes for details.
- Userspace RCU provides:
- Version 0.13.2, see the release notes for details.
New features in 15.0-3
- GCC provides:
- Version 11.3, see the release notes for details.
- Fix for ICE when UNION is after the 8th field in a DEC STRUCTURE with -finit-derived -finit-local-zero.
- GNU C Library provides:
- Fix for LD_AUDIT introduces an avoidable performance degradation.
- Fix for _dl_open_hook and _dlfcn_hook hardening.
- Fix for la_symbind*() doesn't get called when LD_BIND_NOW is set.
- Fix for glob("/foo/*/") may also match regular & other kind of files, not just directories.
- Fix for Libio vtable protection is sometimes only partially enforced.
- Fix for Migrate away from nested functions.
- Fix for A failing dlmopen called by an auditor crashed.
- Fix for Suppress audit calls when a (new) namespace is empty.
- Fix for elf: audit calls that uses static tls might fail.
- Fix for _FORTIFY_SOURCE does not work for stpcpy.
- Fix for NSS lookup result can be incorrect if function lookup clobbers errno.
- Fix for poll() spuriously returns EINTR during thread cancellation and with cancellation disabled.
- Fix for GLIBC 2.35 regression - Fortify crash on certain valid uses of mbsrtowcs (*** buffer overflow detected ***: terminated).
- Fix for <dlfcn.h> functions unusable during early auditing.
- Fix for fchmodat does not handle 64 bit time_t for AT_SYMLINK_NOFOLLOW.
- Binutils provides:
- OpenSSL provides:
- Version 1.1.1o, see the release notes for details.
- Fix for If no supported_groups are available then we send an empty list.
- Python provides:
- Version 3.9.12, see the release notes for details.
- Fix for docstrings of runpy.run_{module,path} are rather sparse.
- Fix for asyncio.AbstractEventLoop.sock_connect broken for AF_BLUETOOTH.
- Fix for contextlib.ExitStack.__enter__ has trivial but undocumented behavior.
- Fix for Constructor of ipaddress.IPv*Interface does not follow documentation.
- Fix for Crash during encoding using UTF-16/32 and custom error handler.
- Fix for Missing links to errnos on Built-in Exceptions page.
- Fix for KeyboardInterrupt should come with a warning.
- Fix for UnicodeEncodeError: surrogates not allowed when parsing invalid charset.
- Fix for Missing terminated NUL in the length of sockaddr_un.
- Fix for Clarifying truncating in documentation.
- Fix for Inaccurate phrasing in extending/newtypes_tutorial.
- Fix for ipaddress.ip_{address,network,interface} raises TypeError instead of ValueError if given a tuple as address.
- Fix for Add test for Calendar().iterweekdays().
- Fix for Improve documentation for `typing.TypeVar`.
- Fix for ProcessPoolExecutor exception memory leak.
- Fix for Fix a BrokenPipeError when a multiprocessing.Queue is garbage collected.
- Fix for math.nan should note that NANs do not compare equal to anything.
- Fix for Avoid sporadic failure of test_compileall on Windows.
- Fix for Copy pgort140.dll when building for PGO.
- Fix for Upgrade to zlib v1.2.12 in CPython binary releases.
- Fix for posix.sched_{get|set}affinity(-1) no longer returns ProcessLookup causing test failures on FreeBSD.
- Fix for New compiler warnings with latest zlib.
- Fix for xml.sax.xmlreader.XMLReader.getProperty (xml.sax.handler.property_xml_string) returns bytes.
Support
Customer support for the Advance Toolchain (AT) is provided in one of three ways:
- If you are using AT as directed by an IBM product team (ex.: IBM XL Compiler or PowerVM Lx86) please report suspected AT problems to IBM Support using that product name and entitlement.
- IBM's Support Line for Linux Offerings now provides support for the Advance Toolchain as well. If you have a contract with a Support Line for Linux, place a call to IBM Support, e.g. for United States:
- Dial 1-800-426-IBM-SERV
- Option #2 (Other business products or solutions)
- Option #2 (Software)
- Option #7 (Other OS/Linux)
- All other users can use an electronic forum that is monitored Monday through Friday. For questions regarding the use of or to report a suspected defect in AT, click here.
- Log in.
- Start a topic.
- Enter and save your question or problem.
- An initial response will be attempted within 2 business days.
Installation
The gpg public key(s) gpg-pubkey-615d762f-62f504a1 will be provided in the repository where these release notes were found. The pubkey(s) can be used to verify the authenticity of both the Advance Toolchain install packages and the repository contents. After downloading the gpg-pubkey(s) they can be imported as follows:
rpm --import gpg-pubkey-615d762f-62f504a1
Using DNF
First, if you have never created an Advance Toolchain repository configuration file, you need to do so. Create the following file using the text editor of your choice as root:
/etc/yum.repos.d/at16.0.repo
and add the following content:
# Begin of configuration file [at16.0] name=Advance Toolchain IBM FTP baseurl=https://public.dhe.ibm.com/software/server/POWER/Linux/toolchain/at/redhat/RHEL9 enabled=1 gpgcheck=1 gpgkey=https://public.dhe.ibm.com/software/server/POWER/Linux/toolchain/at/redhat/RHEL9/gpg-pubkey-615d762f-62f504a1 # End of configuration file
To install execute dnf install as root:
dnf install advance-toolchain-at16.0-runtime / advance-toolchain-at16.0-devel / advance-toolchain-at16.0-perf
Answer y when DNF prompts for confirmation.
Manual installation for rpms
If you are installing the rpms manually you will need to install them in the following order (due to prerequisites):
advance-toolchain-at16.0-runtime-16.0-4 advance-toolchain-at16.0-devel-16.0-4 advance-toolchain-at16.0-perf-16.0-4 advance-toolchain-at16.0-mcore-libs-16.0-4 advance-toolchain-at16.0-runtime-at15.0-compat-16.0-4
If you are updating a previous installation, you need to update as a batch, so rpm can solve the dependencies, i.e.:
rpm -Uvh advance-toolchain-at16.0-runtime-16.0-4.ppc64.rpm \ advance-toolchain-at16.0-devel-16.0-4.ppc64.rpm \ advance-toolchain-at16.0-perf-16.0-4.ppc64.rpm \ advance-toolchain-at16.0-mcore-16.0-4.ppc64.rpm \ advance-toolchain-at16.0-runtime-at15.0-compat-16.0-4.ppc64.rpm
The rpm command should always be run as root. Failure to do so will result in an error similar to this:
error: can't create transaction lock on /var/lib/rpm/__db.000
Important notes
- Timezone files: If you need to use something different than Factory, then you should copy the timezone file you want from /opt/at16.0/share/zoneinfo to /opt/at16.0/etc/localtime
- advance-toolchain-at16.0-runtime-compat-16.0-4: DO NOT INSTALL it on RHEL7 and beyond. These are intended for runtime compatibility on RHEL6 only (see below).
Installation for runtime compatibility on previous distribution versions
Users running applications on previous distributions of SLES or RHEL may install the compatibility rpm advance-toolchain-at16.0-runtime-compat-16.0-4 in order to get the Advance Toolchain runtime libraries.
Installation of the cross-compiler (x86)
You can download advance-toolchain-at16.0-cross-16.0-4 and install in a x86 machine to build Power binaries on it. Binaries generated by the cross-compiler will run on a Power system with the same version of the Advance Toolchain installed.
back to topDocumentation
The official documentation for the Advance Toolchain is available at the IBM Power Linux Community website.
back to topLegal notices
Each component of Advance Toolchain has its own license, they are all covered by this list:
- LGPL 2.1: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html
- GPL 2.0: https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html
- GPL 3.0: https://www.gnu.org/licenses/gpl-3.0.en.html
- MIT
- BSD
- PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
- Boost Software License 1.0
- Eclipse Public License (EPL) 1.0
- Zlib
- Apache License 2.0
The licenses for each GPL and LGPL code segment can be found in the advance-toolchain-at16.0-src-16.0-4.tgz file in the repository, the others are listed below.
In order to comply with the GPL and LGPL licenses, the source code for the following packages is available:
- binutils (GPL 2.0)
- gcc (GPL 3.0)
- gdb (GPL 2.0)
- glibc (LGPL 2.1)
- gmp (GPL 3.0)
- Threading Building Blocks (GPL 2.0)
- libdfp (LGPL 2.1)
- libhugetlbfs (LGPL 2.1)
- libvecpf (LGPL 2.1)
- linux kernel (GPL 2.0)
- mpc (GPL 3.0)
- mpfr (GPL 3.0)
- Userspace RCU (LGPL 2.1)
- Valgrind (GPL 2.0)
- libnxz (GPL 2.0)
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"Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as "Not a Contribution."
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You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License.
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8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS