lib and doc: Use "libSystem" as identifier for that libc in platforms

Changed files
+3 -3
doc
lib
systems
+1 -1
doc/cross-compilation.xml
···
<listitem>
<para>
This is a string identifying the standard C library used.
-
Valid identifiers include "glibc" for GNU libc, "libsystem" for Darwin's Libsystem, and "uclibc" for µClibc.
+
Valid identifiers include "glibc" for GNU libc, "libSystem" for Darwin's Libsystem, and "uclibc" for µClibc.
It should probably be refactored to use the module system, like <varname>parse</varname>.
</para>
</listitem>
+2 -2
lib/systems/examples.nix
···
iphone64 = {
config = "aarch64-apple-darwin14";
arch = "arm64";
-
libc = "libsystem";
+
libc = "libSystem";
platform = {};
};
iphone32 = {
config = "arm-apple-darwin10";
arch = "armv7-a";
-
libc = "libsystem";
+
libc = "libSystem";
platform = {};
};