commit 158cf6f8deaac69eba0c5941f809469cc3eefb43
Author: hasufell <hasufell@gentoo.org>
Date:   Thu Sep 26 20:49:01 2013 +0200

    fix underlinking

diff --git a/configure.in b/configure.in
index 7bf17c2..fa5bd3f 100644
--- a/configure.in
+++ b/configure.in
@@ -16,6 +16,8 @@ AM_INIT_AUTOMAKE(lib3ds, $LIB3DS_VERSION)
 AC_PROG_CC
 AC_PROG_LIBTOOL
 
+AC_CHECK_LIBM
+
 AC_OUTPUT([ \
   lib3ds-config \
   Makefile \
diff --git a/examples/3ds2obj/Makefile.am b/examples/3ds2obj/Makefile.am
index 8213225..4214675 100644
--- a/examples/3ds2obj/Makefile.am
+++ b/examples/3ds2obj/Makefile.am
@@ -3,6 +3,6 @@ INCLUDES = -I$(top_srcdir)/src
 bin_PROGRAMS = 3ds2obj
 3ds2obj_SOURCES = 3ds2obj.c
  
-LDADD = $(top_builddir)/src/lib3ds.la 
+LDADD = $(top_builddir)/src/lib3ds.la $(LIBM)
 
 EXTRA_DIST = 3ds2obj.vcproj
diff --git a/examples/3dsdump/Makefile.am b/examples/3dsdump/Makefile.am
index 98ec5d1..ef19b04 100644
--- a/examples/3dsdump/Makefile.am
+++ b/examples/3dsdump/Makefile.am
@@ -3,6 +3,6 @@ INCLUDES = -I$(top_srcdir)/src
 bin_PROGRAMS = 3dsdump
 3dsdump_SOURCES = 3dsdump.c
  
-LDADD = $(top_builddir)/src/lib3ds.la 
+LDADD = $(top_builddir)/src/lib3ds.la $(LIBM)
 
 EXTRA_DIST = 3dsdump.vcproj
diff --git a/examples/cube/Makefile.am b/examples/cube/Makefile.am
index c79c0ee..539813d 100644
--- a/examples/cube/Makefile.am
+++ b/examples/cube/Makefile.am
@@ -3,7 +3,7 @@ INCLUDES = -I$(top_srcdir)/src
 bin_PROGRAMS = cube
 cube_SOURCES = cube.c
  
-LDADD = $(top_builddir)/src/lib3ds.la 
+LDADD = $(top_builddir)/src/lib3ds.la $(LIBM)
 
 EXTRA_DIST = cube.vcproj cube.tga