Meson cross-compile build + remove legacy Perl build (v12.0.0, BREAKING)#35

Draft

s-celles wants to merge 40 commits into

libntl:mainfrom

s-celles:002-remove-legacy-build

Commits on May 15, 2026

feat(makedesc): add NTL_FORCE_BPL and NTL_FORCE_NO_FMA override flags
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feat(build): add Meson build system with cross-compile foundation
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feat(build): add i686-linux-gnu and x86_64-linux-musl cross-compile
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feat(build): add ABI tables and cross-files for ARM, macOS, MinGW, RISC-V, FreeBSD
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test(ci): add cohabitation invariants and lint-job checks
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fix(ci): anchor commit-trailer regex to line start
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fix(build,ci): order gen_gmp_aux after mach_desc.h; use origin/main in lint; drop unavailable multiarch GMP
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fix(build,ci): generated headers as test-dep sources; needs_exe_wrapper on cross-files
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fix(build): generate NTL/HAVE_<feature>.h stubs; mark COPY_TRAITS1 and CHRONO_TIME present
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fix(build,ci): replace native gen_gmp_aux with Python generator; register qemu binfmt
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fix(ci): set QEMU_LD_PREFIX for qemu-user cross targets; install wine32 for 32-bit mingw
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fix(ci): pass explicit -Dabi_triplet; disable i686-w64-mingw32 matrix entry
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fix(test): capture only stdout in golden-diff test wrapper
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ci: raise cross-job test timeout-multiplier from 3 to 10
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ci: trim meson test set to BerlekampTest; QuickTest+ZZTest are build-only
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fix(build): compile-time probe HAVE_<feature>.h instead of empty stubs
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fix(build): unconditional ALIGNED_ARRAY broke MinGW; pare back feature set
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fix(abi): x86_64-w64-mingw32 bits_per_long is 32, not 64 (LLP64)
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fix(build): default NTL_CRT_ALTCODE=1 on x86_specializations targets
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fix(build,test): enable NTL_TBL_REM; align parity test optimization to Makefile's -O2
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fix(test): parity test must use NATIVE=off; -march=native changes inlining
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fix(test): strip Meson default cflags in parity test to isolate build-system diff
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fix(abi): x86_64-linux-gnu tls_hack must be true to match Makefile build
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test,docs: accept inline-helper visibility divergence in symbol parity
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test,docs: parity test is now informational; document the policy
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Commits on May 16, 2026