ObjFW  Diff

	@property (retain, nonatomic) id bar;
	@end
], [
	Foo *foo = (id)0;
	[foo setBar: (id)0];
	foo = [foo bar];
], [
	AC_SUBST(PROPERTIESTESTS_M, "PropertiesTests.m")
	AC_MSG_RESULT(yes)
], [
	AC_MSG_RESULT(no)
	AC_MSG_ERROR(Compiler does not support properties!)
])

AC_MSG_CHECKING(whether Objective C compiler supports blocks)
old_OBJCFLAGS="$OBJCFLAGS"
OBJCFLAGS="$OBJCFLAGS -fblocks"
AC_TRY_COMPILE([], [
	int (^foo)(int bar);