diff --git a/glide3x/cvg/glide3/src/makefile.linux b/glide3x/cvg/glide3/src/makefile.linux
index 3d16041..8ff5ab1 100644
--- a/glide3x/cvg/glide3/src/makefile.linux
+++ b/glide3x/cvg/glide3/src/makefile.linux
@@ -82,6 +82,7 @@ CDEFS = -DINIT_LINUX -D__3Dfx_PCI_CFG__
 CDEFS += -DGLIDE3 -DGLIDE3_ALPHA -DGLIDE_HW_TRI_SETUP=1 -DGLIDE_PACKED_RGB=0 -DGLIDE_PACKET3_TRI_SETUP=1 -DGLIDE_TRI_CULLING=1 -DUSE_PACKET_FIFO=1
 #CDEFS += -DGLIDE3_SCALER
 CDEFS += -DGLIDE_DISPATCH_SETUP -DGLIDE_DISPATCH_DOWNLOAD
+LDLIBS += -lm
 
 # subsystem
 CDEFS += -DCVG
diff --git a/glide3x/h3/glide3/src/makefile.linux b/glide3x/h3/glide3/src/makefile.linux
index 755ea66..99539b0 100644
--- a/glide3x/h3/glide3/src/makefile.linux
+++ b/glide3x/h3/glide3/src/makefile.linux
@@ -96,6 +96,7 @@ endif
 # general
 CDEFS += -DGLIDE3 -DGLIDE3_ALPHA -DGLIDE_HW_TRI_SETUP=1 -DGLIDE_INIT_HWC -DGLIDE_PACKED_RGB=0 -DGLIDE_PACKET3_TRI_SETUP=1 -DGLIDE_TRI_CULLING=1 -DUSE_PACKET_FIFO=1
 #CDEFS += -DGLIDE_CHECK_CONTEXT
+LDLIBS += -lm
 
 # subsystem
 CDEFS += -DH3
diff --git a/glide3x/h5/glide3/src/makefile.linux b/glide3x/h5/glide3/src/makefile.linux
index c930266..9683edb 100644
--- a/glide3x/h5/glide3/src/makefile.linux
+++ b/glide3x/h5/glide3/src/makefile.linux
@@ -102,6 +102,7 @@ endif
 # general
 CDEFS += -DGLIDE3 -DGLIDE3_ALPHA -DGLIDE_HW_TRI_SETUP=1 -DGLIDE_INIT_HWC -DGLIDE_PACKED_RGB=0 -DGLIDE_PACKET3_TRI_SETUP=1 -DGLIDE_TRI_CULLING=1 -DUSE_PACKET_FIFO=1
 #CDEFS += -DGLIDE_CHECK_CONTEXT
+LDLIBS += -lm
 
 # subsystem
 CDEFS += -DH3
diff --git a/glide3x/sst1/glide3/src/makefile.linux b/glide3x/sst1/glide3/src/makefile.linux
index 76ef5cd..d2dde65 100644
--- a/glide3x/sst1/glide3/src/makefile.linux
+++ b/glide3x/sst1/glide3/src/makefile.linux
@@ -79,6 +79,7 @@ endif
 
 # general
 CDEFS += -DGLIDE3 -DGLIDE3_ALPHA -DGLIDE_HARDWARE
+LDLIBS += -lm
 
 # subsystem
 ifeq ($(FX_GLIDE_HW),sst1)