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build: disable 43 non-essential C extension modules #360

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build: disable 43 non-essential C extension modules #360

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11 changes: 1 addition & 10 deletions Makefile.nanvix
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Original file line number Diff line number Diff line change
Expand Up @@ -156,15 +156,7 @@ CONFIGURE_ENV = \
CFLAGS="-L$(SYSROOT_PATH)/lib -I$(SYSROOT_PATH)/include" \
CFLAGS_NODIST="-fno-semantic-interposition" \
LDFLAGS="-T$(SYSROOT_PATH)/lib/user.ld -Wl,--allow-multiple-definition -Wl,-pie -Wl,--export-dynamic -Wl,--no-dynamic-linker" \
LIBS="-Wl,--start-group $(LIBPOSIX) $(LIBC) $(LIBM) -lsqlite3 -lssl -lcrypto -lz -lbz2 -lffi -Wl,--end-group" \
LIBSQLITE3_LIBS="-L$(SYSROOT_PATH)/lib -lsqlite3" \
LIBSQLITE3_CFLAGS="-I$(SYSROOT_PATH)/include" \
ZLIB_LIBS="-L$(SYSROOT_PATH)/lib -lz" \
ZLIB_CFLAGS="-I$(SYSROOT_PATH)/include" \
BZIP2_LIBS="-L$(SYSROOT_PATH)/lib -lbz2" \
BZIP2_CFLAGS="-I$(SYSROOT_PATH)/include" \
LIBFFI_LIBS="-L$(SYSROOT_PATH)/lib -lffi" \
LIBFFI_CFLAGS="-I$(SYSROOT_PATH)/include"
LIBS="-Wl,--start-group $(LIBPOSIX) $(LIBC) $(LIBM) -Wl,--end-group"

# Configure options for Nanvix
CONFIGURE_OPTS = \
Expand All @@ -180,7 +172,6 @@ CONFIGURE_OPTS = \
--exec-prefix="$(INSTALL_PREFIX)" \
--with-ensurepip=no \
--with-pkg-config=no \
--with-openssl="$(SYSROOT_PATH)" \
--disable-ipv6 \
ac_cv_file__dev_ptmx=no \
ac_cv_file__dev_ptc=no \
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48 changes: 48 additions & 0 deletions Modules/Setup.local
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Original file line number Diff line number Diff line change
@@ -0,0 +1,48 @@
# Disable non-essential C extension modules to reduce binary size.
# All stdlib .py files remain in the sysroot; only the C accelerators
# are excluded from the statically-linked binary.

*disabled*
_decimal
unicodedata
_ctypes
_sqlite3
_ssl
_codecs_cn
_codecs_hk
_codecs_iso2022
_codecs_jp
_codecs_kr
_codecs_tw
_multibytecodec
pyexpat
_elementtree
_posixsubprocess
select
_socket
_asyncio
_pickle
_json
math

Copilot AI Apr 4, 2026

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Disabling math removes the only implementation of the math module (there is no pure-Python fallback). This will cause imports like random and statistics to fail (e.g., Lib/random.py does from math import ... unconditionally). If the goal is to keep a functional stdlib, math should not be in *disabled* (or a compatible replacement needs to be provided).

This issue also appears in the following locations of the same file:

  • line 31
  • line 32
  • line 38
  • line 40
  • line 43
Suggested change
math

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cmath
_statistics
_datetime
_bz2
binascii
array
_bisect
_contextvars
_csv
_heapq
_opcode
_queue
_random
_struct
_zoneinfo
_md5
_sha1
_sha256
_sha512
_sha3
_blake2
zlib
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