From: Victor Stinner <vstinner@python.org>
Date: Tue, 18 Jun 2024 17:35:44 +0000 (+0200)
Subject: gh-120688: Build WASI with -O3 in debug mode (#120691)
X-Git-Tag: v3.14.0a1~1426
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=49f51deeef901b677853f00e428cbaeb13ecd2f2;p=thirdparty%2FPython%2Fcpython.git

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

On WASI in debug mode, Python is now built with compiler flag -O3
instead of -Og, to support more recursive calls.
---

diff --git a/Misc/NEWS.d/next/Build/2024-06-18-15-32-36.gh-issue-120688.tjIPLD.rst b/Misc/NEWS.d/next/Build/2024-06-18-15-32-36.gh-issue-120688.tjIPLD.rst
new file mode 100644
index 000000000000..90f1f9138b6b
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2024-06-18-15-32-36.gh-issue-120688.tjIPLD.rst
@@ -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.
diff --git a/configure b/configure
index 003f68afae2c..0f7ea7dfb525 100755
--- a/configure
+++ b/configure
@@ -9414,6 +9414,11 @@ then :
   PYDEBUG_CFLAGS="-Og"
 fi
 
+# 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
 
diff --git a/configure.ac b/configure.ac
index f9612b3275d3..a46984514651 100644
--- a/configure.ac
+++ b/configure.ac
@@ -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])