Fix -lm.

platform/linux-dpdk/Makefile.am

@@ -425,6 +425,7 @@ __LIB__libodp_dpdk_la_LIBADD += $(LIBCONFIG_LIBS)
 __LIB__libodp_dpdk_la_LIBADD += $(DPDK_LIBS_LIBODP)
 __LIB__libodp_dpdk_la_LIBADD += $(PTHREAD_LIBS)
 __LIB__libodp_dpdk_la_LIBADD += $(TIMER_LIBS)
+__LIB__libodp_dpdk_la_LIBADD += $(ML_LIBS)
 
 CHECK_GLOBALS_REGEX = " (odp_|_odp_|_deprecated_odp_|miniz_|mz_|tdefl_|tinfl_|mp_hdlr_init_odp_pool_ops|__odr_asan)"
 

platform/linux-dpdk/libodp-dpdk.pc.in

@@ -8,5 +8,5 @@ Description: The ODP packet processing engine
 Version: @PKGCONFIG_VERSION@
 Requires.private: libconfig
 Libs: -L${libdir} -l@ODP_LIB_NAME@ @DPDK_LIBS_NON_ABI_COMPAT@ @ATOMIC_LIBS_NON_ABI_COMPAT@
-Libs.private: @DPDK_LIBS_ABI_COMPAT@ @OPENSSL_STATIC_LIBS@ @PTHREAD_LIBS@ @TIMER_LIBS@ -lpthread @ATOMIC_LIBS_ABI_COMPAT@
+Libs.private: @DPDK_LIBS_ABI_COMPAT@ @OPENSSL_STATIC_LIBS@ @PTHREAD_LIBS@ @TIMER_LIBS@ -lpthread @ATOMIC_LIBS_ABI_COMPAT@ @ML_LIBS@
 Cflags: -I${includedir} @DPDK_CFLAGS@

platform/linux-dpdk/m4/configure.m4

@@ -75,7 +75,7 @@ DPDK_CFLAGS="${DPDK_CFLAGS} -DALLOW_EXPERIMENTAL_API"
 # after DPDK check.
 ODP_ML
 
-AS_VAR_APPEND([PLAT_DEP_LIBS], ["${ATOMIC_LIBS} ${LIBCONFIG_LIBS} ${OPENSSL_LIBS} ${DPDK_LIBS_LT} ${LIBCLI_LIBS}"])
+AS_VAR_APPEND([PLAT_DEP_LIBS], ["${ATOMIC_LIBS} ${LIBCONFIG_LIBS} ${OPENSSL_LIBS} ${DPDK_LIBS_LT} ${LIBCLI_LIBS} ${ML_LIBS}"])
 
 # Add text to the end of configure with platform specific settings.
 # Make sure it's aligned same as other lines in configure.ac.

platform/linux-dpdk/m4/odp_ml.m4

@@ -29,4 +29,8 @@ AC_CONFIG_COMMANDS_PRE([dnl
 AM_CONDITIONAL([WITH_ML], [test x$ml_support = xyes])
 ])
 
+# Even if ML is not enabled, -lm is needed by quantization.
+ML_LIBS="-lm"
+AC_SUBST([ML_LIBS])
+
 ]) # ODP_ML