libotf.so is already used for OpenType Font format library.

Index: otf/otflib/Makefile.am
===================================================================
--- otf.orig/otflib/Makefile.am	2012-04-20 17:27:09.151204982 +0200
+++ otf/otflib/Makefile.am	2012-04-20 17:30:55.254414261 +0200
@@ -28,12 +28,12 @@ noinst_HEADERS = OTF_Handler.h \
 	         OTF_Platform.h \
 	         OTF_Platform_unix.h
 
-lib_LTLIBRARIES = libotf.la
+lib_LTLIBRARIES = libotf-trace.la
 
-libotf_la_CFLAGS = -prefer-pic
-libotf_la_LDFLAGS = -version-info @OTF_VERSION_LIBRARY@
-libotf_la_LIBADD = $(ZLIB_LIB_LINE)
-libotf_la_SOURCES = \
+libotf_trace_la_CFLAGS = -prefer-pic
+libotf_trace_la_LDFLAGS = -version-info @OTF_VERSION_LIBRARY@
+libotf_trace_la_LIBADD = $(ZLIB_LIB_LINE)
+libotf_trace_la_SOURCES = \
 	OTF_CopyHandler.c \
 	OTF_CopyHandler_stream.c \
 	OTF_Errno.c \
@@ -59,6 +59,11 @@ EXTRA_DIST = \
 	OTF_Version.h \
 	libotf_vs08.vcproj
 
+all-local:
+	ln -sf libotf-trace.la libotf.la
+
+clean-local:
+	rm -f libotf.la
 
 .PHONY: doc
 doc:
