diff --git a/solenv/inc/unxsogi.mk b/solenv/inc/unxsogi.mk
index d4c173630b52..93c59f740c1d 100644
--- a/solenv/inc/unxsogi.mk
+++ b/solenv/inc/unxsogi.mk
@@ -2,9 +2,9 @@
 #
 #   $RCSfile: unxsogi.mk,v $
 #
-#   $Revision: 1.5 $
+#   $Revision: 1.6 $
 #
-#   last change: $Author: obo $ $Date: 2005-03-15 09:57:50 $
+#   last change: $Author: kz $ $Date: 2005-07-11 15:33:50 $
 #
 #   The Contents of this file are made available subject to the terms of
 #   either of the following licenses
@@ -80,15 +80,19 @@ JAVA_RUNTIME=-ljava_g
 .ENDIF
 .ENDIF 
 
+# architecture dependent flags for the C and C++ compiler that can be changed by
+# exporting the variable ARCH_FLAGS="..." in the shell, which is used to start build
+ARCH_FLAGS*=
+
 CXX*=g++
 CC*=gcc
 CFLAGS=-c $(INCLUDE)
-CFLAGSCC= -pipe
+CFLAGSCC= -pipe $(ARCH_FLAGS)
 
 CFLAGSEXCEPTIONS=-fexceptions
 CFLAGS_NO_EXCEPTIONS=-fno-exceptions
 
-CFLAGSCXX= -pipe
+CFLAGSCXX= -pipe $(ARCH_FLAGS)
 PICSWITCH:=-fPIC
 
 CFLAGSOBJGUIST=