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gh-120688: Build WASI with -O3 in debug mode #120691

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Merged
merged 1 commit into from
Jun 18, 2024
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gh-120688: Build WASI with -O3 in debug mode #120691

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3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/Build/2024-06-18-15-32-36.gh-issue-120688.tjIPLD.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
On WASI in debug mode, Python is now built with compiler flag ``-O3``
instead of ``-Og``, to support more recursive calls. Patch by Victor
Stinner.
5 changes: 5 additions & 0 deletions configure
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5 changes: 5 additions & 0 deletions configure.ac
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Expand Up @@ -2289,6 +2289,11 @@ PYDEBUG_CFLAGS="-O0"
AS_VAR_IF([ac_cv_cc_supports_og], [yes],
[PYDEBUG_CFLAGS="-Og"])

# gh-120688: WASI uses -O3 in debug mode to support more recursive calls
if test "$ac_sys_system" = "WASI"; then
PYDEBUG_CFLAGS="-O3"
fi

# tweak OPT based on compiler and platform, only if the user didn't set
# it on the command line
AC_SUBST([OPT])
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