build tokudb on linux 32 with -march=i686 refs[t:2087]

git-svn-id: file:///svn/toku/tokudb@15156 c7de825b-a66e-492c-adef-691d508d4ae1

toku_include/Makefile.include

@@ -65,6 +65,7 @@ OPT_OPTFLAGS = -O3 -finline-functions
 DBG_OPTFLAGS = -O0
 
 SYSTEM = $(shell uname -s | tr [:upper:] [:lower:])
+ARCH = $(shell uname -m | tr [:upper:] [:lower:])
 
 ifeq ($(VERBOSE),2)
 VERBVERBOSE=-v
@@ -231,6 +232,12 @@ ifeq ($(CC),icc)
     SKIP_WARNING += $(ICC_NOWARN)1324    # Don't complain about rdtsc clobbering its registers more than once.
 endif
 
+ifneq ($(CC),icc)
+ifeq ($(ARCH),i686)
+ARCHFLAGS = -march=$(ARCH)
+endif
+endif
+
 ifneq ($(CYGWIN),)
     #Cygwin (Windows) Must override some settings
     BINSUF=.exe
@@ -301,7 +308,7 @@ else
     ARFLAGS  = $(DBG_ARFLAGS)
 endif
 
-CFLAGS = $(WALL) $(W64) $(WERROR) $(FORMAT) $(VISIBILITY) $(FPICFLAGS) $(SHADOW)
+CFLAGS = $(WALL) $(W64) $(WERROR) $(FORMAT) $(VISIBILITY) $(FPICFLAGS) $(SHADOW) $(ARCHFLAGS)
 CFLAGS += $(OPTFLAGS) $(GCOV_FLAGS) $(PROF_FLAGS)
 CFLAGS += $(SYMBOLS) $(SKIP_WARNING) $(C99) $(CCQUIET)