https://github.com/libtom/libtommath/commit/93dea3a4162527346cd8856bfda6f17ffe98ab04.patch

From 93dea3a4162527346cd8856bfda6f17ffe98ab04 Mon Sep 17 00:00:00 2001
From: Steffen Jaeckel <s@jaeckel.eu>
Date: Thu, 31 Jan 2019 14:12:03 +0100
Subject: [PATCH] makefile.shared: fix compilation and linkage

---
 makefile.shared | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/makefile.shared b/makefile.shared
index 3955f830..870b18d1 100644
--- a/makefile.shared
+++ b/makefile.shared
@@ -18,6 +18,7 @@ ifndef LIBTOOL
   endif
 endif
 LTCOMPILE = $(LIBTOOL) --mode=compile --tag=CC $(CC)
+LTLINK = $(LIBTOOL) --mode=link --tag=CC $(CC)
 
 LCOV_ARGS=--directory .libs --directory .
 
@@ -59,7 +60,7 @@ objs: $(OBJECTS)
 LOBJECTS = $(OBJECTS:.o=.lo)
 
 $(LIBNAME):  $(OBJECTS)
-	$(LIBTOOL) --mode=link --tag=CC $(CC) $(LDFLAGS) $(LOBJECTS) -o $(LIBNAME) -rpath $(LIBPATH) -version-info $(VERSION_SO) $(LIBTOOLFLAGS)
+	$(LTLINK) $(LDFLAGS) $(LOBJECTS) -o $(LIBNAME) -rpath $(LIBPATH) -version-info $(VERSION_SO) $(LIBTOOLFLAGS)
 
 install: $(LIBNAME)
 	install -d $(DESTDIR)$(LIBPATH)
@@ -76,16 +77,16 @@ uninstall:
 	rm $(DESTDIR)$(LIBPATH)/pkgconfig/libtommath.pc
 
 test: $(LIBNAME) demo/demo.o
-	$(CC) $(CFLAGS) -c demo/demo.c -o demo/demo.o
-	$(LIBTOOL) --mode=link $(CC) $(LDFLAGS) -o test demo/demo.o $(LIBNAME)
+	$(LTCOMPILE) $(CFLAGS) -c demo/demo.c -o demo/demo.o
+	$(LTLINK) $(LDFLAGS) -o test demo/demo.o $(LIBNAME)
 
 test_standalone: $(LIBNAME) demo/demo.o
-	$(CC) $(CFLAGS) -c demo/demo.c -o demo/demo.o
-	$(LIBTOOL) --mode=link $(CC) $(LDFLAGS) -o test demo/demo.o $(LIBNAME)
+	$(LTCOMPILE) $(CFLAGS) -c demo/demo.c -o demo/demo.o
+	$(LTLINK) $(LDFLAGS) -o test demo/demo.o $(LIBNAME)
 
 .PHONY: mtest
 mtest:
-	cd mtest ; $(CC) $(CFLAGS) $(LDFLAGS) mtest.c -o mtest
+	cd mtest ; $(CC) $(CFLAGS) -O0 mtest.c $(LDFLAGS) -o mtest
 
 timing: $(LIBNAME) demo/timing.c
-	$(LIBTOOL) --mode=link $(CC) $(CFLAGS) $(LDFLAGS) -DTIMER demo/timing.c $(LIBNAME) -o timing
+	$(LTLINK) $(CFLAGS) $(LDFLAGS) -DTIMER demo/timing.c $(LIBNAME) -o timing
81e50389ca25'>root</a>/<a href='/guix/log/gnu?id=f1240adb9fe434aa7854bc0c8f0081e50389ca25'>gnu</a>/<a href='/guix/log/gnu/services?id=f1240adb9fe434aa7854bc0c8f0081e50389ca25'>services</a>/<a href='/guix/log/gnu/services/dbus.scm?id=f1240adb9fe434aa7854bc0c8f0081e50389ca25'>dbus.scm</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/gnu/services/dbus.scm?id=f1240adb9fe434aa7854bc0c8f0081e50389ca25&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-07-29 11:32:48 -0400'>2021-07-29</span></td><td><a href='/guix/commit/gnu/services/dbus.scm?id=a85ec0bf69df9ec3333a214feff54d4e58b15bec'>services: Migrate to &lt;setuid-program&gt;.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/dbus.scm (dbus-setuid-programs, polkit-setuid-programs):
  Return setuid-programs.
* gnu/services/desktop.scm (enlightenment-setuid-programs): Return
 setuid-programs.
 (%desktop-services)[mount-setuid-helpers]: Use setuid-programs.
* gnu/services/docker.scm (singularity-setuid-programs): Return
 setuid-programs.
* gnu/services/xorg.scm(screen-locker-setuid-programs): Return
 setuid-programs.
* gnu/system.scm (%setuid-programs): Return setuid-programs.
* doc/guix.texi (Setuid Programs, operating-system Reference): Replace
  'list of G-expressions' with 'list of &lt;setuid-program&gt;'.
</span></span></td><td>Brice Waegeneire</td></tr>
<tr><td><span title='2021-03-10 18:01:47 +0100'>2021-03-10</span></td><td><a href='/guix/commit/gnu/services/dbus.scm?id=520bac7ed00a949a0391ad680de65a1498105c2b'>services: Prevent following symlinks during activation.</a><span class='msg-avail'>...<span class='msg-tooltip'>This addresses a potential security issue, where a compromised
service could trick the activation code in changing the permissions,
owner and group of arbitrary files.  However, this patch is
currently only a partial fix, due to a TOCTTOU (time-of-check to
time-of-use) race, which can be fixed once guile has bindings
to openat and friends.

Fixes: &lt;https://lists.gnu.org/archive/html/guix-devel/2021-01/msg00388.html&gt;

* gnu/build/activation.scm: new procedure 'mkdir-p/perms'.
* gnu/services/authentication.scm
  (%nslcd-activation, nslcd-service-type): use new procedure.
* gnu/services/cups.scm (%cups-activation): likewise.
* gnu/services/dbus.scm (dbus-activation): likewise.
* gnu/services/dns.scm (knot-activation): likewise.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Maxime Devos</td></tr>
<tr><td><span title='2020-05-08 16:30:50 +0200'>2020-05-08</span></td><td><a href='/guix/commit/gnu/services/dbus.scm?id=dd0804c67e99914eecc471fdb92f4220425a1cbc'>services: Add descriptions.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/services/dbus.scm (polkit-service-type)[description]: New field.
* gnu/services/dict.scm (dicod-service-type)[description]: New field.
* gnu/services/dns.scm (knot-service-type)[description]: New field.
* gnu/services/networking.scm (dhcpd-service-type)[description]: New field.
* gnu/services/shepherd.scm (shepherd-root-service-type)[description]:
New field.
* gnu/services/xorg.scm (slim-service-type)[description]: New field.
(screen-locker-service-type)[description]: New field.
* gnu/system/pam.scm (pam-root-service-type)[description]: New field.
* gnu/system/shadow.scm (account-service-type)[description]: New field.
</span></span></td><td>Ludovic Courtès</td></tr>