Do not build the macOS installer with mimalloc enabled (#112312)

Do not build the macOS installer with mimalloc enabled pending resolution of
weak linking crashes during interpreter startup on macOS 10.9,
10.10, and 10.11 when built on macOS 11 and later.

diff --git a/Mac/BuildScript/build-installer.py b/Mac/BuildScript/build-installer.py
index 84e1422a628361491debbf9cd795313bbfb02e6d..b35789a7e3132befe53041dcdb41cf7e5070b5d7 100755 (executable)
--- a/Mac/BuildScript/build-installer.py
+++ b/Mac/BuildScript/build-installer.py
@@ -1147,7 +1147,9 @@ def buildPython():
     # will find them during its extension import sanity checks.
 
     print("Running configure...")
+    print(" NOTE: --with-mimalloc=no pending resolution of weak linking issues")
     runCommand("%s -C --enable-framework --enable-universalsdk=/ "
+               "--with-mimalloc=no "
                "--with-universal-archs=%s "
                "%s "
                "%s "