Update GNUmakefile

Author: rusini

GNUmakefile

@@ -17,7 +17,7 @@
 CC       = $(SCL) $(GCC) $(PIPE) -w $(MARCH) -pthread -std=c99
 CXX      = $(SCL) $(GXX) $(PIPE) -w $(MARCH) -pthread -std=c++11
 CPPFLAGS =
-CFLAGS   = -Wno-psabi -O3 -fno-stack-protector -fcf-protection=none -fno-stack-clash-protection -U_FORTIFY_SOURCE
+CFLAGS   = -fno-math-errno -Wno-psabi -O3 -fno-stack-protector -fcf-protection=none -fno-stack-clash-protection U_FORTIFY_SOURCE
 CXXFLAGS = $(CFLAGS)
 LDFLAGS  = -s -Wl,--as-needed
 LDLIBS   = -lm -ldl -lrt