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fix(link): pass -lm on the Linux application-dylib link #20

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Merged
proggeramlug merged 1 commit into from
Aug 28, 2026
Merged

fix(link): pass -lm on the Linux application-dylib link #20

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9 changes: 9 additions & 0 deletions scripts/compiler-wrappers/cc
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Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,16 @@ if [ "$is_shared" -eq 1 ] && [ -n "$exports_file" ]; then
# providers as explicit DT_NEEDED entries even when a tiny app
# happens not to reference a stdlib symbol directly: the app ABI
# contract always consists of runtime + stdlib + app-only image.
#
# libm: LLVM lowers `Math.floor`/`Math.log10`/... in application
# code to libm calls (`floor`, `log10`), and Perry's shared-library
# link on Linux does not add `-lm` the way its executable link does
# (perryts/perry#8942 follow-up). macOS never notices because
# libSystem carries libm. Without it the Next fixture's link dies
# with `undefined reference to 'floor'` after every other symbol
# resolved; the tiny CI fixture calls no libm function.
exec "$real_cc" "$@" \
"-lm" \
"-Wl,--no-as-needed" \
"$runtime_library" "$stdlib_library" \
"-Wl,--as-needed" \
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