Tweak FFI compilation settings for iOS/tvOS/watchOS

Author: freakboy3742

Makefile

@@ -68,7 +68,7 @@ CC-macosx=xcrun --sdk macosx clang --sysroot=$(SDK_ROOT-macosx) $(CFLAGS-macOS)
 
 # iOS targets
 TARGETS-iOS=iphonesimulator.x86_64 iphonesimulator.arm64 iphoneos.arm64
-CFLAGS-iOS=-mios-version-min=13.0 -fembed-bitcode
+CFLAGS-iOS=-mios-version-min=12.0 -fembed-bitcode
 CFLAGS-iphoneos.arm64=
 CFLAGS-iphonesimulator.x86_64=
 CFLAGS-iphonesimulator.arm64=

patch/Python/Setup.iOS

@@ -10,7 +10,10 @@ _ctypes _ctypes/_ctypes.c \
     -I$(srcdir)/Modules/_ctypes/darwin \
     -I$(srcdir)/../Support/libFFI.xcframework/{{slice}}/Headers \
     -DPy_BUILD_CORE_MODULE \
+    -DHAVE_FFI_CLOSURE_ALLOC=1 \
+    -DHAVE_FFI_PREP_CIF_VAR=1 \
     -DHAVE_FFI_PREP_CLOSURE_LOC=1 \
+    -DUSING_MALLOC_CLOSURE_DOT_C=1 \
     -L$(srcdir)/../Support/libFFI.xcframework/{{slice}} \
     -lFFI
 

patch/Python/Setup.tvOS

@@ -10,7 +10,10 @@ _ctypes _ctypes/_ctypes.c \
     -I$(srcdir)/Modules/_ctypes/darwin \
     -I$(srcdir)/../Support/libFFI.xcframework/{{slice}}/Headers \
     -DPy_BUILD_CORE_MODULE \
+    -DHAVE_FFI_CLOSURE_ALLOC=1 \
+    -DHAVE_FFI_PREP_CIF_VAR=1 \
     -DHAVE_FFI_PREP_CLOSURE_LOC=1 \
+    -DUSING_MALLOC_CLOSURE_DOT_C=1 \
     -L$(srcdir)/../Support/libFFI.xcframework/{{slice}} \
     -lFFI
 

patch/Python/Setup.watchOS

@@ -10,6 +10,9 @@ _ctypes _ctypes/_ctypes.c \
     -I$(srcdir)/Modules/_ctypes/darwin \
     -I$(srcdir)/../Support/libFFI.xcframework/{{slice}}/Headers \
     -DPy_BUILD_CORE_MODULE \
+    -DHAVE_FFI_CLOSURE_ALLOC=1 \
+    -DHAVE_FFI_PREP_CIF_VAR=1 \
     -DHAVE_FFI_PREP_CLOSURE_LOC=1 \
+    -DUSING_MALLOC_CLOSURE_DOT_C=1 \
     -L$(srcdir)/../Support/libFFI.xcframework/{{slice}} \
     -lFFI