Bump the default min supported mac version to 12.0

For Synchronet "stuff", we can trivially change this, but some work
needs to be done to enable Spidermonkey and Cryptlib to pick up the
chosen value.

JS should be fairly simple since it's a configure argument.  Cryptlib
is a bit trickier since it's in a patch.

3rdp/build/GNUmakefile

@@ -34,7 +34,7 @@ ifneq ($(os),linux)
  endif
 endif
 ifeq ($(os),darwin)
- JS_CONFIGURE_ARGS += '--enable-macos-target=10.11'
+ JS_CONFIGURE_ARGS += '--enable-macos-target=12.0'
 endif
 # Blacklist some machines...
 

3rdp/build/cl-macosx-minver.patch

@@ -5,7 +5,7 @@
  	case $OSNAME in
  		'Darwin')
 -			CCARGS="$CCARGS -fPIC -fno-common" ;;
-+			CCARGS="$CCARGS -fPIC -fno-common -mmacosx-version-min=10.5" ;;
++			CCARGS="$CCARGS -fPIC -fno-common -mmacosx-version-min=12.0" ;;
  
  		'CYGWIN_NT-5.0'|'CYGWIN_NT-5.1'|'CYGWIN_NT-6.1')
  			;;

src/build/Common.gmake

@@ -369,7 +369,7 @@ ifeq ($(os),haiku)
  CFLAGS	+=	-D__unix__ -DNEEDS_FORKPTY
 endif
 ifeq ($(os),darwin)
- MIN_MAC_OSX_VERSION ?= 10.11
+ MIN_MAC_OSX_VERSION ?= 12.0
  CFLAGS +=  -D__unix__ -fno-common -D__DARWIN__
  CFLAGS +=  -mmacosx-version-min=$(MIN_MAC_OSX_VERSION)
  LDFLAGS += -mmacosx-version-min=$(MIN_MAC_OSX_VERSION)