a few updates

Makefile.am

@@ -9,9 +9,9 @@ ACLOCAL_AMFLAGS = -I m4 --install
 
 SUBDIRS = nint src inc test
 
-lib_LIBRARIES = libfastmath.a
-libfastmath_a_LIBADD = nint/nint.o src/FastMath.o src/FastNumInt.o src/stopwatch.o src/progressbar.o
-libfastmath_a_SOURCES = 
+lib_LIBRARIES = libfastmath@PLATFORM@.a
+libfastmath@PLATFORM@_a_LIBADD = nint/nint.o src/FastMath.o src/FastNumInt.o src/stopwatch.o src/progressbar.o
+libfastmath@PLATFORM@_a_SOURCES = 
 
 distclean-local:
 	rm -rf $(top_builddir)/{autom4te.cache,aclocal.m4,AUTHORS,ChangeLog,config.guess,config.log,config.status,config.sub,configure,depcomp,install-sh,Makefile,Makefile.in,missing,NEWS,.deps,inc/config.h*,inc/Makefile.in,src/.dirstamp,src/Makefile.in,nint/Makefile.in,test/Makefile.in,compile}

ax_fastmath.m4

@@ -37,7 +37,7 @@ fi
 
 if [[[ $VALID_FASTMATH == "yes" ]]] ; then
   FASTMATH_INCLUDE="-I $FASTMATH_HOME/include"
-  FASTMATH_LDFLAGS="-L $FASTMATH_HOME/lib -lfastmath"
+  FASTMATH_LDFLAGS="-L $FASTMATH_HOME/lib -lfastmath$2"
 
   cxx_flags=$CXXFLAGS
   ld_flags=$LDFLAGS
@@ -48,9 +48,10 @@ if [[[ $VALID_FASTMATH == "yes" ]]] ; then
   AC_CHECK_HEADER([FastMath.h],, AC_MSG_WARN([Could not find FastMath.h]); VALID_FASTMATH=no, [#include <FastMath.h>])
   AC_CHECK_HEADER([nint.h],, AC_MSG_WARN([Could not find nint.h]); VALID_FASTMATH=no, [#include <nint.h>])
   AC_CHECK_HEADER([FastNumInt.h],, AC_MSG_WARN([Could not find FastNumInt.h]); VALID_FASTMATH=no, [#include <FastNumInt.h>])
+dnl This next line sometimes gives errors for newer compilers, so we will exclude it
   AC_CHECK_HEADER([FastBitset.h],, AC_MSG_WARN([Could not find FastBitset.h]); VALID_FASTMATH=no, [#include <FastBitset.h>])
   AC_CHECK_HEADER([stopwatch.h],, AC_MSG_WARN([Could not find stopwatch.h]); VALID_FASTMATH=no, [#include <stopwatch.h>])
-  AC_CHECK_FILE([$FASTMATH_HOME/lib/libfastmath.a],, AC_MSG_WARN([Could not find libfastmath]); VALID_FASTMATH=no)
+  AC_CHECK_FILE([$FASTMATH_HOME/lib/libfastmath$2.a],, AC_MSG_WARN([Could not find libfastmath]); VALID_FASTMATH=no)
 
   CXXFLAGS=$cxx_flags
   LDFLAGS=$ld_flags
@@ -64,7 +65,7 @@ if [[[ $VALID_FASTMATH == "yes" ]]] ; then
   AC_SUBST([FASTMATH_ENABLED], [yes])
 else
   AC_MSG_RESULT([no])
-  if [[[ "$#" -ge 2 && "$2" == "mandatory" ]]] ; then
+  if [[[ "$#" -ge 2 && "$3" == "mandatory" ]]] ; then
     AC_MSG_ERROR([Fastmath is required for this package.])
   fi
 fi