gladeui/Makefile.am | 4 ++--
 src/Makefile.am     | 2 +-
 tests/Makefile.am   | 6 +++---
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/gladeui/Makefile.am b/gladeui/Makefile.am
index 87d610c..8fc02a0 100644
--- a/gladeui/Makefile.am
+++ b/gladeui/Makefile.am
@@ -19,7 +19,7 @@ glade_previewer_CFLAGS =   \
 
 glade_previewer_LDFLAGS = $(AM_LDFLAGS)
 
-glade_previewer_LDADD = libgladeui-2.la $(GTK_MAC_LIBS)
+glade_previewer_LDADD = libgladeui-2.la $(GTK_MAC_LIBS) -lm
 
 glade_previewer_SOURCES = \
 	glade-previewer.c \
@@ -263,7 +263,7 @@ introspection_sources = $(libgladeui_2_la_SOURCES) $(libgladeuiinclude_HEADERS)
 Gladeui-2.0.gir: libgladeui-2.la
 Gladeui_2_0_gir_INCLUDES = Gtk-3.0
 Gladeui_2_0_gir_CFLAGS = $(INCLUDES)
-Gladeui_2_0_gir_LIBS = libgladeui-2.la
+Gladeui_2_0_gir_LIBS = libgladeui-2.la m
 Gladeui_2_0_gir_FILES = $(introspection_sources)
 INTROSPECTION_GIRS += Gladeui-2.0.gir
 
diff --git a/src/Makefile.am b/src/Makefile.am
index 89e597e..83dd436 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -18,7 +18,7 @@ glade_CFLAGS =           \
 
 glade_LDFLAGS = $(AM_LDFLAGS) $(GMODULE_EXPORT_LDFLAGS)
 
-glade_LDADD = $(top_builddir)/gladeui/libgladeui-2.la $(GTK_MAC_LIBS)
+glade_LDADD = $(top_builddir)/gladeui/libgladeui-2.la $(GTK_MAC_LIBS) -lm
 
 BUILT_SOURCES = glade-resources.c glade-resources.h
 
diff --git a/tests/Makefile.am b/tests/Makefile.am
index fc96195..3099186 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -28,7 +28,7 @@ progs_ldadd = $(top_builddir)/gladeui/libgladeui-2.la
 create_widgets_CPPFLAGS = $(progs_cppflags)
 create_widgets_CFLAGS   = $(progs_cflags)
 create_widgets_LDFLAGS  = $(progs_libs)
-create_widgets_LDADD    = $(progs_ldadd)
+create_widgets_LDADD    = $(progs_ldadd) -lm
 create_widgets_SOURCES  = create-widgets.c
 
 # Test that various types of container widgets
@@ -37,7 +37,7 @@ create_widgets_SOURCES  = create-widgets.c
 add_child_CPPFLAGS = $(progs_cppflags)
 add_child_CFLAGS   = $(progs_cflags)
 add_child_LDFLAGS  = $(progs_libs)
-add_child_LDADD    = $(progs_ldadd)
+add_child_LDADD    = $(progs_ldadd) -lm
 add_child_SOURCES  = add-child.c
 
 TOPLEVEL_ORDER_FILES = \
@@ -63,7 +63,7 @@ toplevel-order-resources.c: $(TOPLEVEL_ORDER_FILES)
 toplevel_order_CPPFLAGS = $(progs_cppflags)
 toplevel_order_CFLAGS   = $(progs_cflags)
 toplevel_order_LDFLAGS  = $(progs_libs)
-toplevel_order_LDADD    = $(progs_ldadd)
+toplevel_order_LDADD    = $(progs_ldadd) -lm
 toplevel_order_SOURCES  = \
 	toplevel-order.c \
 	toplevel-order-resources.c