Update Makefile for 32-bit gcc builds

John M. found that -march=i686 is needed for 32-bit systems, particularly if you're running a 32-bit linux OS on a 64-bit CPU.
hoche · Feb 19, 2020 · b5c5e63 · b5c5e63
1 parent 2f795e0
commit b5c5e63
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Makefile b/Makefile
@@ -9,7 +9,7 @@ OS:=$(shell uname)
 ifdef GXX
   CC=gcc
   CXX=g++
-  CPPFLAGS_32:= 
+  CPPFLAGS_32:=-march=i686
   GCC_CFLAGS:=$(CPPFLAGS_$(ARCH))
 else
   CC=clang