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Enable real dynamic linking by default#25930

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Enable real dynamic linking by default#25930
sbc100 wants to merge 1 commit into
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sbc100:shared_flag_part2

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@sbc100 sbc100 commented Dec 11, 2025 •
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This change essentially disables FAKE_DYLIBS by default, which in
turn means -shared will now produce dynamic libraries by default.

If you want the old behaviour you now need -sFAKE_DYLIBS.

sbc100
sbc100 commented Dec 11, 2025
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Comment thread cmake/Modules/Platform/Emscripten.cmake Outdated
@sbc100 sbc100 force-pushed the shared_flag_part2 branch 2 times, most recently from 6e4f78f to 3b0addc Compare December 11, 2025 00:49
@sbc100 sbc100 requested review from dschuff and kripken December 11, 2025 00:50
kripken
kripken reviewed Dec 11, 2025
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Comment thread site/source/docs/tools_reference/settings_reference.rst Outdated
Comment thread tools/building.py
dschuff
dschuff reviewed Dec 13, 2025
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I wonder what would happen if we tested this with Binaryen. it doesn't seem prepared to force the Emscripten build to be static (assuming that's the behavior we actually want).

Comment thread test/test_core.py Outdated
@sbc100 sbc100 force-pushed the shared_flag_part2 branch from 3b0addc to 2a98976 Compare May 12, 2026 01:15
@sbc100 sbc100 changed the title Disable FAKE_DYLIBS by default Enable real dynamic linking by default May 12, 2026
@sbc100 sbc100 force-pushed the shared_flag_part2 branch 3 times, most recently from 3b9f050 to d2bc4e4 Compare May 12, 2026 04:13
sbc100
sbc100 commented May 12, 2026
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Comment thread cmake/Modules/Platform/Emscripten.cmake
@sbc100 sbc100 force-pushed the shared_flag_part2 branch 2 times, most recently from dbf81cc to 2a061bd Compare May 14, 2026 01:07
@sbc100 sbc100 mentioned this pull request May 14, 2026
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sbc100 added a commit that referenced this pull request May 14, 2026
@sbc100
Improve test_multiply_defined_libsymbols (#26953)
c3736fb 
This test was first added in c735bb6. Hopefully these changes make it
more obvious what is being tested, and also test more commonly used
flags (`-shared` vs `-r`).

Split out from #25930.
@sbc100 sbc100 force-pushed the shared_flag_part2 branch from 2a061bd to 1ce1103 Compare May 15, 2026 01:31
@sbc100
Enable real dynamic linking by default
f92ba4a 
This change essentially disables `FAKE_DYLIBS` by default, which in
turn means `-shared` will now produce dynamic libraries by default.

If you want the old behaviour you now need `-sFAKE_DYLIBS`.
@sbc100 sbc100 force-pushed the shared_flag_part2 branch from 1ce1103 to f92ba4a Compare May 15, 2026 05:27
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