+if CPUFAM_X86
+libsymm_la_SOURCES += gcm-x86ish-pclmul.S
+endif
+if CPUFAM_AMD64
+libsymm_la_SOURCES += gcm-x86ish-pclmul.S
+endif
+if CPUFAM_ARMEL
+libsymm_la_SOURCES += gcm-arm-crypto.S
+endif
+if CPUFAM_ARM64
+libsymm_la_SOURCES += gcm-arm64-pmull.S
+endif