From ccfa2c17cd966dc44380748af87afd796bcb7237 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Sat, 10 Nov 2012 00:06:38 -0500
Subject: Add patch to pass some dir paths to child makes.

---
diff --git a/README b/README
index 7833acc..9cde205 100644
--- a/README
+++ b/README
@@ -24,5 +24,39 @@ commands before building:
     $ ./config clean
     $ ./config
 
+Binutils Build System Mangling
+------------------------------
+
+[See `patches/01_pass-some-dirs-to-child-makes.patch` for some background
+information.]
+
+An alternative to `patches/01_pass-some-dirs-to-child-makes.patch` is to run
+make in each subdirectory ourselves instead of letting the top-level makefile do
+it for us.  This way, we can leave the build system untouched and directly give
+each child make process the required macro settings.
+
+There are ten subdirectories in which we would need to run make (though of
+course we don't currently enable some of them, e.g. `gold`):
+
+  * `bfd`
+  * `opcodes`
+  * `binutils`
+  * `etc`
+  * `gas`
+  * `gold`
+  * `gprof`
+  * `intl`
+  * `ld`
+  * `libiberty`
+
+The disadvantage to this is a higher maintenance cost: we need to keep track of
+the subdirectories in which we need to run make.  We need to watch out for
+changes to the dependencies of `install-host` and `install-target` in Binutils's
+Makefile.in (unlikely) and changes in the features (e.g. gold) we enable
+(likely).
+
+The trivial patch (which adds just three lines) should apply cleanly across
+Binutils releases, so it seems best to just stick with that.
+
 
 [debian-ld-ma-patch]: http://patch-tracker.debian.org/patch/series/view/binutils/2.22-7.1/129_ld_mulitarch_dirs.patch
diff --git a/patches/01_pass-some-dirs-to-child-makes.patch b/patches/01_pass-some-dirs-to-child-makes.patch
new file mode 100644
index 0000000..58637da
--- /dev/null
+++ b/patches/01_pass-some-dirs-to-child-makes.patch
@@ -0,0 +1,24 @@
+Description: Pass some dir paths to child makes
+ Some paths that we want to change (for FHS sanity and/or multiarch hackery) are
+ hardcoded in the configure scripts and makefiles.
+ .
+ If we just get the top-level makefile to pass them to the child make processes,
+ we can simply set these path macros and call make once.
+ .
+ See `README` for a possible alternative solution.
+From: "P. J. McDermott" <pjm@nac.net>
+
+diff -Naur src.orig/Makefile.in src/Makefile.in
+--- src.orig/Makefile.in	2011-11-21 06:56:20.000000000 -0500
++++ src/Makefile.in	2012-11-09 23:21:01.494841050 -0500
+@@ -710,7 +710,10 @@
+ 	"sharedstatedir=$(sharedstatedir)" \
+ 	"sysconfdir=$(sysconfdir)" \
+ 	"tooldir=$(tooldir)" \
++	"scriptdir=$(scriptdir)" \
+ 	"build_tooldir=$(build_tooldir)" \
++	"bfdlibdir=$(bfdlibdir)" \
++	"bfdincludedir=$(bfdincludedir)" \
+ 	"target_alias=$(target_alias)" \
+ 	"AWK=$(AWK)" \
+ 	"BISON=$(BISON)" \
--
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