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 00000000000000..90f1f9138b6b58 --- /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 003f68afae2cab..0f7ea7dfb5259d 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 "$ac_sys_system" = "WASI"; then + PYDEBUG_CFLAGS="-O3" +fi + # tweak OPT based on compiler and platform, only if the user didn't set # it on the command line diff --git a/configure.ac b/configure.ac index f9612b3275d3f0..a4698451465155 100644 --- a/configure.ac +++ b/configure.ac @@ -2289,6 +2289,11 @@ PYDEBUG_CFLAGS="-O0" AS_VAR_IF([ac_cv_cc_supports_og], [yes], [PYDEBUG_CFLAGS="-Og"]) +# gh-120688: WASI uses -O3 in debug mode to support more recursive calls +if test "$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])