Add ELF INTERP notes to core- bootstrap page.

1 files changed, 8 insertions, 1 deletions

diff --git a/dev/ports/core-linux-eglibc/bootstrap.mdwn b/dev/ports/core-linux-eglibc/bootstrap.mdwn
index a9d0171..6f21ee3 100644
--- a/dev/ports/core-linux-eglibc/bootstrap.mdwn
+++ b/dev/ports/core-linux-eglibc/bootstrap.mdwn
@@ -72,6 +72,13 @@ when it executes the stage 1 binaries.
     $ mkdir bootstrap_core-linux-eglibc/lib64
     $ ln -sf /lib/core-linux-eglibc/ld-linux-x86-64.so.2 bootstrap_core-linux-eglibc/lib64/ld-linux-x86-64.so.2
 
+For most packages, this can be made unnecessary using GNU ld's
+`--dynamic-linker` option, e.g. by setting `LDFLAGS` to
+`-Wl,--dynamic-linker=/lib/core-linux-eglibc/ld-linux-x86-64.so.2`.  Doing this
+when building GCC, however, makes executables like `gcc`, `cpp`, and `cc1`
+declare superfluous ELF NEEDED dependencies on `libstdc++.so.6` and
+`libgcc_s.so.1`.
+
 [opkbuild-3.0.0-alpha4]: http://files.proteanos.com/pub/opkbuild/3.0.0-alpha4/
 [opkhelper-3.0.0-beta2]: http://lists.proteanos.com/proteanos-dev/2013/05/msg00001.html
 
@@ -167,7 +174,7 @@ Building and Installing GNU Make
 Run the following commands in a copy of the `gmake` source package to build GNU
 Make for the bootstrap system.
 
-    $ LDFLAGS='-Wl,--dynamic-linker=/lib/core-linux-eglibc/ld-linux-x86-64.so.2' opkbuild -b -c
+    $ opkbuild -b -c
 
 Run the following commands in the bootstrap system directory to unpack the
 `gmake` package: