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
5b0831e88afb1c46311d382a0b'>root</a>/<a href='/guix/log/gnu?id=d27cc3bfaafe6b5b0831e88afb1c46311d382a0b'>gnu</a>/<a href='/guix/log/gnu/packages?id=d27cc3bfaafe6b5b0831e88afb1c46311d382a0b'>packages</a>/<a href='/guix/log/gnu/packages/ccache.scm?id=d27cc3bfaafe6b5b0831e88afb1c46311d382a0b'>ccache.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/packages/ccache.scm?id=d27cc3bfaafe6b5b0831e88afb1c46311d382a0b&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2017-03-24 14:53:21 +0300'>2017-03-24</span></td><td><a href='/guix/commit/gnu/packages/ccache.scm?id=3d39ab456d0ce6c51c555697fa1466423b188b12'>gnu: ccache: Update to 3.3.4.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ccache.scm (ccache): Update to 3.3.4.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2016-10-30 00:05:26 +0300'>2016-10-30</span></td><td><a href='/guix/commit/gnu/packages/ccache.scm?id=8f210c0e0e3386920aaf125371cb7aa1420f761f'>gnu: ccache: Update to 3.3.3.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ccache.scm (ccache): Update to 3.3.3.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2016-10-08 23:26:29 +0300'>2016-10-08</span></td><td><a href='/guix/commit/gnu/packages/ccache.scm?id=4726dd20630150182512994af2d0ae543d876b7c'>gnu: ccache: Update to 3.3.2.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ccache.scm (ccache): Update to 3.3.2.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2016-09-22 23:56:17 -0500'>2016-09-22</span></td><td><a href='/guix/commit/gnu/packages/ccache.scm?id=56f33f3fd58ab5ad181aefd9cce2c72d06767803'>gnu: ccache: Upgrade to 3.3.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ccache.scm (ccache): Upgrade to 3.3.1.
[description]: Adjust supported languages.
</span></span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2016-09-22 23:43:20 -0500'>2016-09-22</span></td><td><a href='/guix/commit/gnu/packages/ccache.scm?id=bd368c71749f09af69f5f5688cf536f0e943b868'>gnu: ccache: Use modify-phases.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ccache.scm (ccache)[arguments]: Use modify-phases.
</span></span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2016-07-10 06:48:27 +0300'>2016-07-10</span></td><td><a href='/guix/commit/gnu/packages/ccache.scm?id=9d5448f35f8d933c7dd54427bf6b3186a5154919'>gnu: ccache: Update to 3.2.5.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ccache.scm (ccache): Update to 3.2.5.
[native-inputs]: Add which.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2016-02-01 15:01:20 -0600'>2016-02-01</span></td><td><a href='/guix/commit/gnu/packages/ccache.scm?id=6009df63915b55bad3e4ebbf09f90904feb2c3ac'>gnu: ccache: Update to 3.2.4.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ccache.scm (ccache): Update to 3.2.4.
</span></span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2015-07-14 18:14:43 -0500'>2015-07-14</span></td><td><a href='/guix/commit/gnu/packages/ccache.scm?id=107db20da89e7d4dba73d7eaf7f2fe41b963a98b'>gnu: ccache: Update to 3.2.2.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/ccache.scm (ccache): Update to 3.2.2.
  [arguments]: Rename 'patch-test-shebangs phase to 'setup-tests.  Set the
  SHELL environment variable.
</span></span></td><td>Eric Bavier</td></tr>