Don’t add linker flags via ‘response files’ since ld-wrapper
doesn’t handle them.
See https://github.com/NixOS/nixpkgs/commit/a421e7bd4a28c69bded8b17888325e31554f61a1
https://gcc.gnu.org/ml/gcc/2016-10/msg00151.html

diff --git a/compiler/main/SysTools.hs.orig b/compiler/main/SysTools.hs
index 1ab5b13..99270fc 100644
--- a/compiler/main/SysTools.hs.orig
+++ b/compiler/main/SysTools.hs
@@ -424,7 +424,7 @@ runCc dflags args =   do
       args1 = map Option (getOpts dflags opt_c)
       args2 = args0 ++ args1 ++ args
   mb_env <- getGccEnv args2
-  runSomethingResponseFile dflags cc_filter "C Compiler" p args2 mb_env
+  runSomethingFiltered dflags cc_filter "C Compiler" p args2 mb_env
  where
   -- discard some harmless warnings from gcc that we can't turn off
   cc_filter = unlines . doFilter . lines
@@ -945,7 +945,7 @@ runLink dflags args = do
       args1     = map Option (getOpts dflags opt_l)
       args2     = args0 ++ linkargs ++ args1 ++ args
   mb_env <- getGccEnv args2
-  runSomethingResponseFile dflags ld_filter "Linker" p args2 mb_env
+  runSomethingFiltered dflags ld_filter "Linker" p args2 mb_env
   where
     ld_filter = case (platformOS (targetPlatform dflags)) of
                   OSSolaris2 -> sunos_ld_filter
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<div class='path'>path: <a href='/guix/log/?id=3b45aa167dba93196bf0908e32f744b6b10734e5'>root</a>/<a href='/guix/log/build-aux?id=3b45aa167dba93196bf0908e32f744b6b10734e5'>build-aux</a>/<a href='/guix/log/build-aux/pre-inst-env.in?id=3b45aa167dba93196bf0908e32f744b6b10734e5'>pre-inst-env.in</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/build-aux/pre-inst-env.in?id=3b45aa167dba93196bf0908e32f744b6b10734e5&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-08-29 16:24:17 +0200'>2020-08-29</span></td><td><a href='/guix/commit/build-aux/pre-inst-env.in?id=d7965b58d25c9c7648ba5682223f32d759fdffda'>build: Remove references to the 'nix-hash' program.</a><span class='msg-avail'>...<span class='msg-tooltip'>* configure.ac: Remove check for 'nix-hash'.
* tests/base32.scm (%nix-hash, %have-nix-hash?): Remove.
("sha256 &amp; bytevector-&gt;nix-base32-string"): Remove test.
* build-aux/pre-inst-env.in: Do not set 'NIX_HASH' environment
variable.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-09-08 11:49:24 +0200'>2019-09-08</span></td><td><a href='/guix/commit/build-aux/pre-inst-env.in?id=82f903e70f580c34503052245625354d2f097d7e'>daemon: Remove 'NIX_LIBEXEC_DIR'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libstore/globals.hh (Settings)[nixLibexecDir]: Remove.
* nix/libstore/globals.cc (Settings::processEnvironment): Remove
reference to 'nixLibexecDir'.
* nix/local.mk (libstore_a_CPPFLAGS): Remove -DNIX_LIBEXEC_DIR flag.
* build-aux/pre-inst-env.in: Remove references to 'NIX_LIBEXEC_DIR'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-09-08 11:49:24 +0200'>2019-09-08</span></td><td><a href='/guix/commit/build-aux/pre-inst-env.in?id=bc69ea2d605810cc32e13ed03d5848b8dc358b61'>daemon: Run 'guix offload' directly.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/scripts/offload.in: Remove.
* nix/local.mk (nodist_pkglibexec_SCRIPTS) [BUILD_DAEMON_OFFLOAD]:
Remove 'scripts/offload'.
* config-daemon.ac: Don't output 'nix/scripts/offload'.
* build-aux/pre-inst-env.in: Don't set 'NIX_BUILD_HOOK'.
* nix/libstore/build.cc (HookInstance::HookInstance): Run 'guix
offload'.
(DerivationGoal::tryBuildHook): Remove reference to 'NIX_BUILD_HOOK'.
* nix/nix-daemon/guix-daemon.cc (main) [HAVE_DAEMON_OFFLOAD_HOOK]: Don't
set 'NIX_BUILD_HOOK'.
* nix/nix-daemon/nix-daemon.cc (performOp) [!HAVE_DAEMON_OFFLOAD_HOOK]:
Leave 'settings.useBuildHook' unchanged.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-09-08 11:49:24 +0200'>2019-09-08</span></td><td><a href='/guix/commit/build-aux/pre-inst-env.in?id=2e3e5d21988fc2cafb2a9eaf4b00976ea425629d'>daemon: Invoke 'guix gc --list-busy' instead of 'list-runtime-roots'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/scripts/list-runtime-roots.in: Remove.
* guix/store/roots.scm (%proc-directory): New variable.
(proc-file-roots, proc-exe-roots, proc-cwd-roots)
(proc-fd-roots, proc-maps-roots, proc-environ-roots)
(referenced-files, canonicalize-store-item, busy-store-items): New
procedures, taken from 'list-runtime-roots.in'.
* nix/libstore/globals.hh (Settings)[guixProgram]: New field.
* nix/libstore/globals.cc (Settings::processEnvironment): Initialize
'guixProgram'.
* nix/libstore/gc.cc (addAdditionalRoots): Drop code related to
'NIX_ROOT_FINDER'.  Run "guix gc --list-busy".
* nix/local.mk (nodist_pkglibexec_SCRIPTS): Remove
'scripts/list-runtime-roots'.
* config-daemon.ac: Don't output nix/scripts/list-runtime-roots.
* build-aux/pre-inst-env.in: Don't set 'NIX_ROOT_FINDER'.
Set 'GUIX'.
* doc/guix.texi (Invoking guix gc): Document '--list-busy'.
* guix/scripts/gc.scm (show-help, %options): Add "--list-busy".
(guix-gc)[list-busy]: New procedure.
Handle the 'list-busy' action.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-02-04 16:20:01 +0100'>2019-02-04</span></td><td><a href='/guix/commit/build-aux/pre-inst-env.in?id=959eaa1eb834fd47ceab3c5bbbe4967e808d530b'>daemon: Add "/guix" to default 'nixLibexecDir'.</a><span class='msg-avail'>...<span class='msg-tooltip'>This makes it easier to run the uninstalled daemon.

* nix/local.mk (libstore_a_CPPFLAGS): Append "/guix" to
NIX_LIBEXEC_DIR.
* build-aux/pre-inst-env.in (NIX_LIBEXEC_DIR): Adjust comment.
* nix/libstore/builtins.cc (builtinDownload): Remove SUBDIR and its
use.
* nix/libstore/local-store.cc (runAuthenticationProgram): Ditto.
* nix/libstore/gc.cc (addAdditionalRoots): Remove "/guix" prefix.
* nix/nix-daemon/guix-daemon.cc (main): Ditto.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-02-04 16:20:01 +0100'>2019-02-04</span></td><td><a href='/guix/commit/build-aux/pre-inst-env.in?id=4d4a38f620520acc787ff5db2be3736923e14235'>daemon: Remove the 'NIX_SUBSTITUTERS' environment variable.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libstore/globals.cc (Settings:update): Remove changes to
'substituters'.
* nix/nix-daemon/guix-daemon.cc (main): Set 'settings.substituters'
directly instead of changing the 'NIX_SUBSTITUTERS' environment variable.
* build-aux/pre-inst-env.in: Remove reference to 'NIX_SUBSTITUTERS'.
</span></span></td><td>Ludovic Courtès</td></tr>