Current master fails to build/link about botan

[reneme]

That's strange. I'm not aware of anything using OpenMP in Botan. Could you provide your invocation of ./configure.py?

[mouse07410]

Sure. First, here's the attempt to build with GCC=12.3.0:

g++ -fPIC -fvisibility=hidden -fstack-protector -m64 -pthread -march=native -std=c++20 -D_REENTRANT  -std=c++20 -stdlib=libc++ -O3 -I/opt/local/libexec/boost/1.81/include -I/opt/local/include -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk -Wall -Wextra -Wpedantic -Wstrict-aliasing -Wcast-align -Wmissing-declarations -Wpointer-arith -Wcast-qual -Wzero-as-null-pointer-constant -Wnon-virtual-dtor -Wold-style-cast -Wsuggest-override -Wshadow -Wextra-semi -DBOTAN_IS_BEING_BUILT  -I build/include/public -I build/include/internal  -isystem build/include/external -c src/lib/asn1/alg_id.cpp -o build/obj/lib/asn1_alg_id.o
In file included from /opt/local/libexec/gcc12/libc++/include/c++/v1/new:99,
                 from /opt/local/libexec/gcc12/libc++/include/c++/v1/__memory/construct_at.h:23,
                 from /opt/local/libexec/gcc12/libc++/include/c++/v1/__memory/allocator_traits.h:14,
                 from /opt/local/libexec/gcc12/libc++/include/c++/v1/__memory/allocate_at_least.h:13,
                 from /opt/local/libexec/gcc12/libc++/include/c++/v1/memory:884,
                 from build/include/public/botan/types.h:18,
                 from build/include/public/botan/exceptn.h:11,
                 from build/include/public/botan/asn1_obj.h:10,
                 from src/lib/asn1/alg_id.cpp:8:
/opt/local/libexec/gcc12/libc++/include/c++/v1/cstdlib:144:9: error: 'at_quick_exit' has not been declared in '::'
  144 | using ::at_quick_exit _LIBCPP_USING_IF_EXISTS;
      |         ^~~~~~~~~~~~~
/opt/local/libexec/gcc12/libc++/include/c++/v1/cstdlib:145:9: error: 'quick_exit' has not been declared in '::'
  145 | using ::quick_exit _LIBCPP_USING_IF_EXISTS;
      |         ^~~~~~~~~~
make: *** [build/obj/lib/asn1_alg_id.o] Error 1
Tue Jun  4 16:38:18 EDT 2024

And here's the ./configure.py invocation and results:

./configure.py --program-suffix=3 --prefix=/opt/local --with-os-features=security_framework,apple_keychain,commoncrypto,getentropy --with-commoncrypto --with-boost --with-lzma --with-bzip2 --with-zlib --with-sqlite3 --with-python-version=3.12 --with-sphinx --with-pdf --system-cert-bundle=/opt/local/share/curl/curl-ca-bundle.crt --cc-abi-flags='-march=native'  2>&1 | tee conf-out.txt

and

$ cat conf-out.txt
   INFO: ./configure.py invoked with options "--program-suffix=3 --prefix=/opt/local --with-os-features=security_framework,apple_keychain,commoncrypto,getentropy --with-commoncrypto --with-boost --with-lzma --with-bzip2 --with-zlib --with-sqlite3 --with-python-version=3.12 --with-sphinx --with-pdf --system-cert-bundle=/opt/local/share/curl/curl-ca-bundle.crt --cc-abi-flags=-march=native"
   INFO: Configuring to build Botan 3.5.0 (revision git:446007a13f6fca987d074d002a7d766b34bb4a9b)
   INFO: Python version: "3.12.3 (main, Apr 12 2024, 20:23:48) [Clang 15.0.0 (clang-1500.1.0.2.5)]"
   INFO: Implicit --cc-bin=g++ due to environment variable CXX
   INFO: Implicit --cxxflags=-std=c++20 -stdlib=libc++ -O3 -I/opt/local/libexec/boost/1.81/include -I/opt/local/include -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk due to environment variable CXXFLAGS
   INFO: Autodetected platform information: OS="Darwin" machine="x86_64" proc="i386"
   INFO: Guessing target OS is darwin (use --os to set)
   INFO: Guessing target processor is a x86_64 (use --cpu to set)
   INFO: Found rst2man (use --without-rst2man to disable)
   INFO: Auto-detected compiler version gcc 12.3
   INFO: Auto-detected compiler arch x86_64
   INFO: Target is gcc:12.3-macos-x86_64
   INFO: Assuming target x86_64 is little endian
   INFO: Skipping (incompatible CPU): aes_armv8 aes_power8 sha1_armv8 sha2_32_armv8 sha2_64_armv8 shacal2_armv8 sm4_armv8
   INFO: Skipping (incompatible OS): certstor_system_windows win32_stats
   INFO: Skipping (requires external dependency): tpm
   INFO: Enabling use of external dependency boost
   INFO: Enabling use of external dependency bzip2
   INFO: Enabling use of external dependency commoncrypto
   INFO: Enabling use of external dependency lzma
   INFO: Enabling use of external dependency sqlite3
   INFO: Enabling use of external dependency zlib
WARNING: These modules are deprecated and will be removed in a future release (consider disabling with --disable-deprecated-features): dilithium_aes dlies gost_28147 gost_3410 kyber_90s lion mce md4 noekeon prf_x942 shake_cipher streebog
   INFO: Loading modules: adler32 aead aes aes_crystals_xof aes_ni aes_vperm argon2 argon2_avx2 argon2_ssse3 argon2fmt aria asio asn1 auto_rng base base32 base58 base64 bcrypt bcrypt_pbkdf bigint blake2 blake2mac blake2s block blowfish boost bzip2 camellia cascade cast128 cbc ccm certstor_flatfile certstor_sql certstor_sqlite3 certstor_system certstor_system_macos cfb chacha chacha20poly1305 chacha_avx2 chacha_avx512 chacha_rng chacha_simd32 checksum cmac comb4p commoncrypto compression cpuid crc24 crc32 cryptobox cshake_xof ctr curve448 des dh dilithium dilithium_aes dilithium_common dl_algo dl_group dlies dsa dyn_load eax ec_group ec_h2c ecc_key ecdh ecdsa ecgdsa ecies eckcdsa ed25519 ed448 elgamal eme_oaep eme_pkcs1 eme_raw emsa_pkcs1 emsa_pssr emsa_raw emsa_x931 entropy fd_unix ffi filters fpe_fe1 frodokem frodokem_aes frodokem_common gcm getentropy ghash ghash_cpu ghash_vperm gmac gost_28147 gost_3410 gost_3411 hash hash_id hex hkdf hmac hmac_drbg hotp hss_lms http_util idea idea_sse2 iso9796 kdf kdf1 kdf1_iso18033 kdf2 keccak keccak_perm keccak_perm_bmi2 keypair kmac kuznyechik kyber kyber_90s kyber_common kyber_round3 lion locking_allocator lzma mac mce md4 md5 mdx_hash mem_pool mgf1 mode_pad modes mp nist_keywrap noekeon noekeon_simd numbertheory ocb ofb par_hash passhash9 pbes2 pbkdf pbkdf2 pem pgp_s2k pk_pad pkcs11 poly1305 poly_dbl prf_tls prf_x942 processor_rng psk_db pubkey raw_hash rc4 rdseed rfc3394 rfc6979 rmd160 rng roughtime rsa salsa20 scrypt seed serpent serpent_avx2 serpent_avx512 serpent_simd sessions_sql sessions_sqlite3 sha1 sha1_sse2 sha1_x86 sha2_32 sha2_32_bmi2 sha2_32_x86 sha2_64 sha2_64_bmi2 sha3 shacal2 shacal2_avx2 shacal2_simd shacal2_x86 shake shake_cipher shake_xof simd simd_avx2 simd_avx512 siphash siv skein sm2 sm3 sm4 socket sodium sp800_108 sp800_56a sp800_56c sphincsplus_common sphincsplus_sha2 sphincsplus_shake sqlite3 srp6 stateful_rng stream streebog system_rng thread_utils threefish_512 tls tls12 tls13 tls13_pqc tls_cbc tree_hash trunc_hash tss twofish utils uuid whirlpool x25519 x448 x509 x919_mac xmd xmss xof xts zfec zfec_sse2 zfec_vperm zlib
   INFO: Using symlink to link files into build dir (use --link-method to change)
   INFO: Botan 3.5.0 (revision git:446007a13f6fca987d074d002a7d766b34bb4a9b) (unreleased undated) build setup is complete
$ 

I tried to roll back a bit (see the commit above), but to no avail.

[randombit]

I'm not aware of anything using OpenMP in Botan.

There was some minimal usage of it that was removed in #2747

/opt/local/libexec/gcc12/libc++/include/c++/v1/cstdlib:145:9: error: 'quick_exit' has not been declared in '::'
  145 | using ::quick_exit _LIBCPP_USING_IF_EXISTS;
      |         ^~~~~~~~~~

This seems to be a compiler install issue? I would guess XCode is expecting to find libc++ headers, not libstdc++

[mouse07410]

This seems to be a compiler install issue?

I don't know - it's been all working fine (I keep building master locally, pretty much every time there's a new commit merged) until a week or so ago...

I would guess XCode is expecting to find libc++ headers, not libstdc++

Clang uses only libc++. GCC may use either - which is why I specified -stdlib=libc++ in the flags, to ensure that the resulting library would be usable by everything else on my machine.

[mouse07410]

I narrowed down the problem - and it's not the compiler, at least as far as Clang is concerned: Clang can build both botan and botan-test fine. It's the docs that seem to fail (apologies for the long output):

"/opt/local/bin/python3" "src/scripts/build_docs.py" --build-dir="build"
   INFO: Starting sphinx-build -q -c ./src/configs/sphinx -j auto -W --keep-going -b html ./doc build/docs/handbook
Ignoring ImportError and using old theme
   INFO: Starting sphinx-build -q -c ./src/configs/sphinx -j auto -W --keep-going -b latex ./doc /var/folders/c6/lnc_0m093ys8w16md_fm1mnxhtfnj8/T/botan_latex_g_klff9y
Ignoring ImportError and using old theme
   INFO: Starting make -C /var/folders/c6/lnc_0m093ys8w16md_fm1mnxhtfnj8/T/botan_latex_g_klff9y
latexmk -pdf -dvi- -ps-  'botan.tex'
Rc files read:
  latexmkrc
Latexmk: This is Latexmk, John Collins, 7 Apr. 2024. Version 4.85.
No existing .aux file, so I'll make a simple one, and require run of *latex.
Latexmk: applying rule 'pdflatex'...
Rule 'pdflatex':  Reasons for rerun
Category 'other':
  Rerun of 'pdflatex' forced or previously required:
    Reason or flag: 'Initial setup'

------------
Run number 1 of rule 'pdflatex'
------------
------------
Running 'pdflatex   -recorder  "botan.tex"'
------------
This is pdfTeX, Version 3.141592653-2.6-1.40.26 (TeX Live 2024) (preloaded format=pdflatex)
 restricted \write18 enabled.
entering extended mode
(./botan.tex
LaTeX2e <2024-06-01>
L3 programming layer <2024-05-08>
(./sphinxmanual.cls
Document Class: sphinxmanual 2019/12/01 v2.3.0 Document class (Sphinx manual)
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Document Class: report 2024/02/08 v1.4n Standard LaTeX document class
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Writing index file botan.idx
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[2]
No file botan.toc.

[1]
[2]
Chapter 1.

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[]\T1/qtm/m/n/10 You'll find ad-di-tional ex-am-ples of us-age in the [][]src/e
xamples[][] (https://github.com/randombit/botan/tree/master/src/examples)

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[][][]\T1/qtm/m/n/10 Se-cu-rity En-gi-neer-ing ^^U A Guide to Build-ing De-pend
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[2]
Chapter 2.

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[4]
Chapter 3.

[5]
! Missing \cr inserted.
<inserted text> 
                \cr 
l.599 \end{tabulary}
                    
? 

A fix would be lovely. Thanks!

[mouse07410]

it looks like the current master addressed the docs build problem, and it's again all good. Thank you!