Adding new per-architecture build settings in XcodeEdit

Created 4/3/2007, updated 5/18/2017

In the Tiger version of Xcode there are some build settings which offer per-architecture variants and some which do not. An example of the latter is the WARNING_CFLAGS build setting:

WARNING_CFLAGS_ppc                  = -Wall -Wextra -Wno-unused-parameter
WARNING_CFLAGS_i386                 = -Wall -Wno-unused-parameter

Tiger's Xcode will ignore these build settings. The solution is to do the following:

WARNING_CFLAGS                      = $(WARNING_CFLAGS_$(CURRENT_ARCH))
WARNING_CFLAGS_ppc                  = -Wall -Wextra -Wno-unused-parameter
WARNING_CFLAGS_i386                 = -Wall -Wno-unused-parameter