https://bugs.gentoo.org/778578

From 0b990d5db74b5e5055753f4ad5006b8d89d23d26 Mon Sep 17 00:00:00 2001
From: orbea <orbea@riseup.net>
Date: Sat, 27 Mar 2021 07:47:09 -0700
Subject: [PATCH 2/2] build: Add -lm to fix undefined references.

---
 Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index 746d893..348bad0 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -35,7 +35,7 @@ noinst_HEADERS=\
 lib_libtiger_la_CFLAGS=@CWARNFLAGS_FULL@ @CFLAGS_FORTIFY_SOURCE@ @CFLAGS_DEBUG@ @CFLAGS_PROFILE@ \
                        @PANGOCAIRO_CFLAGS@ @KATE_CFLAGS@ @PTHREAD_CFLAGS@
 lib_libtiger_la_LIBADD=@PANGOCAIRO_LIBS@ @KATE_LIBS@ @PTHREAD_LIBS@
-lib_libtiger_la_LDFLAGS=-version-info @LIBTIGER_SHARED_VERSION@ -no-undefined
+lib_libtiger_la_LDFLAGS=-version-info @LIBTIGER_SHARED_VERSION@ -no-undefined -lm
 
 am__tar = ${AMTAR} chof - --owner=0 --group=0 --exclude=CVS --exclude=.cvsignore "$$tardir"
 
-- 
2.26.3