--- seti_boinc/m4/optimizations.m4.orig	2006-11-11 01:24:46.000000000 -0800
+++ seti_boinc/m4/optimizations.m4	2006-11-11 01:35:19.000000000 -0800
@@ -13,7 +13,7 @@
     [Define to 1 if you want to use SSE3 optimizations])
 # put compiler specific flags here
   if test x_$ac_cv_c_compiler_gnu = x_yes ; then
-    CFLAGS="-march=prescott -msse3  -mfpmath=sse ${CFLAGS}"
+    CFLAGS="-msse3 -mfpmath=sse,387 ${CFLAGS}"
   fi
 fi
 
@@ -27,7 +27,7 @@
     [Define to 1 if you want to use SSE2 optimizations])
 # put compiler specific flags here
   if test x_$ac_cv_c_compiler_gnu = x_yes ; then
-    CFLAGS="-march=pentium4 -msse2 -mfpmath=sse ${CFLAGS}"
+    CFLAGS="-msse2 -mfpmath=sse,387 ${CFLAGS}"
   fi
 fi
 
@@ -41,7 +41,7 @@
     [Define to 1 if you want to use SSE optimizations])
 # put compiler specific flags here
   if test x_$ac_cv_c_compiler_gnu = x_yes ; then
-    CFLAGS="-march=pentium3 -msse -mfpmath=sse ${CFLAGS}"
+    CFLAGS="-msse -mfpmath=sse,387 ${CFLAGS}"
   fi
 fi
 
@@ -55,7 +55,7 @@
     [Define to 1 if you want to use MMX optimizations])
 # put compiler specific flags here
   if test x_$ac_cv_c_compiler_gnu = x_yes ; then
-    CFLAGS="-march=pentium2 -mmmx -mfpmath=387 ${CFLAGS}"
+    CFLAGS="-mmmx ${CFLAGS}"
   fi
 fi
 
@@ -70,7 +70,7 @@
     [Define to 1 if you want to use 3D-Now optimizations])
 # put compiler specific flags here
   if test x_$ac_cv_c_compiler_gnu = x_yes ; then
-    CFLAGS="-march=pentium2 -m3dnow -mfpmath=387 ${CFLAGS}"
+    CFLAGS="-m3dnow ${CFLAGS}"
   fi
 fi