ld64 @128.2 compilation error: reloc.h not found

[macports@…]

When installing ld64 using Mac OS X 10.7.3, MacPorts 2.0.4, Xcode 4.3.2 I encounter the following error:

sudo port install ld64
--->  Computing dependencies for ld64
--->  Fetching archive for ld64
--->  Attempting to fetch ld64-128.2_3+llvm30.darwin_11.x86_64.tgz from http://packages.macports.org/ld64
--->  Fetching ld64
--->  Verifying checksum(s) for ld64
--->  Extracting ld64
--->  Applying patches to ld64
--->  Configuring ld64
--->  Building ld64
Error: Target org.macports.build returned: shell command failed (see log for details)
Log for ld64 is at: /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_devel_ld64/ld64/main.log
Error: Status 1 encountered during processing.
To report a bug, see <http://guide.macports.org/#project.tickets>

The header exists at /opt/local/include/mach-o/arm/reloc.h. My CLTools are of version 318.0.58.

[ryandesign (Ryan Carsten Schmidt)]

Duplicate of #34176.