Add ghc and version number in .ident directive in NCG
[ghc.git] / configure.ac
index 7bc993f..532aea3 100644 (file)
@@ -3,30 +3,37 @@ dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/   +/g;'"
 dnl  (or some such) to see the outline of this file)
 dnl
 #
-# (c) The AQUA Project, Glasgow University, 1994-1998
+# (c) The AQUA Project, Glasgow University, 1994-2004
 #
 # Configure script template for the Glasgow functional programming tools
 #
-# Process with 'autoconf' to get a working configure script.
+# Process with 'autoreconf' to get a working configure script.
 #
 # For the generated configure script, do "./configure --help" to
 # see what flags are available. (Better yet, read the documentation!)
 #
 
+AC_INIT([The Glorious Glasgow Haskell Compilation System], [6.5], [glasgow-haskell-bugs@haskell.org], [ghc])
+
+FP_SETUP_PROJECT_VERSION
+
+# Hmmm, we fix the RPM release number to 1 here... Is this convenient?
+AC_SUBST([release], [1])
+
 # First off, a distrib sanity check..
-AC_INIT(mk/config.mk.in)
+AC_CONFIG_SRCDIR([mk/config.mk.in])
 
 dnl * We require autoconf version 2.52
 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
-AC_PREREQ(2.52)
+AC_PREREQ([2.52])
 
 dnl * Declare subdirectories that have a private configure script
 dnl
 dnl After the toplevel configuration is complete, the script will recurse into
 dnl these subdirectories if they exist. The use of a cache file makes repeated
 dnl checks cheap.
-AC_CONFIG_SUBDIRS([ghc libraries])
+AC_CONFIG_SUBDIRS([libraries])
 
 # -------------------------------------------------------------------------
 # Prepare to generate the following header files
@@ -45,7 +52,7 @@ dnl * Choose host(/target/build) platform
 dnl--------------------------------------------------------------------
 
 dnl Guess host/target/build platform(s) if necessary.
-AC_CANONICAL_SYSTEM
+AC_CANONICAL_TARGET
 
 # "$host" defaults to "$target"
 if test "x$host" = xNONE ; then
@@ -70,150 +77,222 @@ exeext=''
 # separately.
 case $HostPlatform in
 alpha*-dec-osf[[12]]*)
-       HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
-       TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
-       BuildPlatform=alpha-dec-osf1  # hack
+        HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
+        TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
+        BuildPlatform=alpha-dec-osf1  # hack
         HostPlatform_CPP='alpha_dec_osf1'
         HostArch_CPP='alpha'
         HostVendor_CPP='dec'
         HostOS_CPP='osf1'
         ;;
 alpha*-dec-osf[[345]]*)
-       HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
-       TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
-       BuildPlatform=alpha-dec-osf3  # hack
+        HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
+        TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
+        BuildPlatform=alpha-dec-osf3  # hack
         HostPlatform_CPP='alpha_dec_osf3'
         HostArch_CPP='alpha'
         HostVendor_CPP='dec'
         HostOS_CPP='osf3'
         ;;
 alpha*-unknown-linux*)
-       HostPlatform=alpha-unknown-linux
-       TargetPlatform=alpha-unknown-linux
-       BuildPlatform=alpha-unknown-linux
+        HostPlatform=alpha-unknown-linux
+        TargetPlatform=alpha-unknown-linux
+        BuildPlatform=alpha-unknown-linux
         HostPlatform_CPP='alpha_unknown_linux'
         HostArch_CPP='alpha'
         HostVendor_CPP='unknown'
         HostOS_CPP='linux'
         ;;
 alpha*-unknown-freebsd*)
-       HostPlatform=alpha-unknown-freebsd
-       TargetPlatform=alpha-unknown-freebsd
-       BuildPlatform=alpha-unknown-freebsd
+        HostPlatform=alpha-unknown-freebsd
+        TargetPlatform=alpha-unknown-freebsd
+        BuildPlatform=alpha-unknown-freebsd
         HostPlatform_CPP='alpha_unknown_freebsd'
         HostArch_CPP='alpha'
         HostVendor_CPP='unknown'
         HostOS_CPP='freebsd'
         ;;
+alpha*-unknown-openbsd*)
+        HostPlatform=alpha-unknown-openbsd
+        TargetPlatform=alpha-unknown-openbsd
+        BuildPlatform=alpha-unknown-openbsd
+        HostPlatform_CPP='alpha_unknown_openbsd'
+        HostArch_CPP='alpha'
+        HostVendor_CPP='unknown'
+        HostOS_CPP='openbsd'
+        ;;
+amd64-*-openbsd*|x86_64-*-openbsd*)
+        HostPlatform=x86_64-unknown-openbsd
+        TargetPlatform=x86_64-unknown-openbsd
+        BuildPlatform=x86_64-unknown-openbsd
+        HostPlatform_CPP='x86_64_unknown_openbsd'
+        HostArch_CPP='x86_64'
+        HostVendor_CPP='unknown'
+        HostOS_CPP='openbsd'
+        ;;
+amd64-*-freebsd*)
+        HostPlatform=x86_64-unknown-freebsd
+        TargetPlatform=x86_64-unknown-freebsd
+        BuildPlatform=x86_64-unknown-freebsd
+        HostPlatform_CPP='x86_64_unknown_freebsd'
+        HostArch_CPP='x86_64'
+        HostVendor_CPP='unknown'
+        HostOS_CPP='freebsd'
+        ;;
 arm*-linux*)
         HostPlatform=arm-unknown-linux # hack again
         TargetPlatform=arm-unknown-linux
         BuildPlatform=arm-unknown-linux
-        HostPlatform_CPP='arm_unknown_linux'                 
+        HostPlatform_CPP='arm_unknown_linux'
         HostArch_CPP='arm'
         HostVendor_CPP='unknown'
         HostOS_CPP='linux'
         ;;
+arm*-openbsd*)
+        HostPlatform=arm-unknown-openbsd
+        TargetPlatform=arm-unknown-openbsd
+        BuildPlatform=arm-unknown-openbsd
+        HostPlatform_CPP='arm_unknown_openbsd'
+        HostArch_CPP='arm'
+        HostVendor_CPP='unknown'
+        HostOS_CPP='openbsd'
+        ;;
 hppa*-*-linux*)
         HostPlatform=hppa-unknown-linux # hack again
         TargetPlatform=hppa-unknown-linux
         BuildPlatform=hppa-unknown-linux
-        HostPlatform_CPP='hppa_unknown_linux'                
+        HostPlatform_CPP='hppa_unknown_linux'
         HostArch_CPP='hppa'
-        HostVendor_CPP='unknown'                             
+        HostVendor_CPP='unknown'
         HostOS_CPP='linux'
         ;;
+hppa*-*-openbsd*)
+        HostPlatform=hppa-unknown-openbsd # hack again
+        TargetPlatform=hppa-unknown-openbsd
+        BuildPlatform=hppa-unknown-openbsd
+        HostPlatform_CPP='hppa_unknown_openbsd'
+        HostArch_CPP='hppa'
+        HostVendor_CPP='unknown'
+        HostOS_CPP='openbsd'
+        ;;
 hppa1.1-hp-hpux*)
-       HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
-       TargetPlatform=hppa1.1-hp-hpux
-       BuildPlatform=hppa1.1-hp-hpux
+        HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
+        TargetPlatform=hppa1.1-hp-hpux
+        BuildPlatform=hppa1.1-hp-hpux
         HostPlatform_CPP='hppa1_1_hp_hpux'
         HostArch_CPP='hppa1_1'
         HostVendor_CPP='hp'
         HostOS_CPP='hpux'
         ;;
 i[[3456]]86-*-linuxaout*)
-       HostPlatform=i386-unknown-linuxaout   # hack again
-       TargetPlatform=i386-unknown-linuxaout
-       BuildPlatform=i386-unknown-linuxaout
+        HostPlatform=i386-unknown-linuxaout   # hack again
+        TargetPlatform=i386-unknown-linuxaout
+        BuildPlatform=i386-unknown-linuxaout
         HostPlatform_CPP='i386_unknown_linuxaout'
         HostArch_CPP='i386'
         HostVendor_CPP='unknown'
         HostOS_CPP='linuxaout'
         ;;
 i[[3456]]86-*-linux*)
-       HostPlatform=i386-unknown-linux # hack again
-       TargetPlatform=i386-unknown-linux
-       BuildPlatform=i386-unknown-linux
+        HostPlatform=i386-unknown-linux # hack again
+        TargetPlatform=i386-unknown-linux
+        BuildPlatform=i386-unknown-linux
         HostPlatform_CPP='i386_unknown_linux'
         HostArch_CPP='i386'
         HostVendor_CPP='unknown'
         HostOS_CPP='linux'
         ;;
+i[[3456]]86-*-kfreebsd*-gnu)
+        HostPlatform=i386-unknown-kfreebsdgnu # hack again
+        TargetPlatform=i386-unknown-kfreebsdgnu
+        BuildPlatform=i386-unknown-kfreebsdgnu
+        HostPlatform_CPP='i386_unknown_kfreebsdgnu'
+        HostArch_CPP='i386'
+        HostVendor_CPP='unknown'
+        HostOS_CPP='kfreebsdgnu'
+        ;;
 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
-       HostPlatform=i386-unknown-freebsd # hack again
-       TargetPlatform=i386-unknown-freebsd
-       BuildPlatform=i386-unknown-freebsd
+        HostPlatform=i386-unknown-freebsd # hack again
+        TargetPlatform=i386-unknown-freebsd
+        BuildPlatform=i386-unknown-freebsd
         HostPlatform_CPP='i386_unknown_freebsd'
         HostArch_CPP='i386'
         HostVendor_CPP='unknown'
         HostOS_CPP='freebsd'
         ;;
 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
-       HostPlatform=i386-unknown-freebsd2 # hack again
-       TargetPlatform=i386-unknown-freebsd2
-       BuildPlatform=i386-unknown-freebsd2
+        HostPlatform=i386-unknown-freebsd2 # hack again
+        TargetPlatform=i386-unknown-freebsd2
+        BuildPlatform=i386-unknown-freebsd2
         HostPlatform_CPP='i386_unknown_freebsd2'
         HostArch_CPP='i386'
         HostVendor_CPP='unknown'
         HostOS_CPP='freebsd2'
         ;;
 i[[3456]]86-*-netbsd*)
-       HostPlatform=i386-unknown-netbsd # hack again
-       TargetPlatform=i386-unknown-netbsd
-       BuildPlatform=i386-unknown-netbsd
+        HostPlatform=i386-unknown-netbsd # hack again
+        TargetPlatform=i386-unknown-netbsd
+        BuildPlatform=i386-unknown-netbsd
         HostPlatform_CPP='i386_unknown_netbsd'
         HostArch_CPP='i386'
         HostVendor_CPP='unknown'
         HostOS_CPP='netbsd'
         ;;
 i[[3456]]86-*-openbsd*)
-       HostPlatform=i386-unknown-openbsd # hack again
-       TargetPlatform=i386-unknown-openbsd
-       BuildPlatform=i386-unknown-openbsd
+        HostPlatform=i386-unknown-openbsd # hack again
+        TargetPlatform=i386-unknown-openbsd
+        BuildPlatform=i386-unknown-openbsd
         HostPlatform_CPP='i386_unknown_openbsd'
         HostArch_CPP='i386'
         HostVendor_CPP='unknown'
         HostOS_CPP='openbsd'
         ;;
 i[[3456]]86-*-solaris2*)
-       HostPlatform=i386-unknown-solaris2 # hack again
-       TargetPlatform=i386-unknown-solaris2
-       BuildPlatform=i386-unknown-solaris2
+        HostPlatform=i386-unknown-solaris2 # hack again
+        TargetPlatform=i386-unknown-solaris2
+        BuildPlatform=i386-unknown-solaris2
         HostPlatform_CPP='i386_unknown_solaris2'
         HostArch_CPP='i386'
         HostVendor_CPP='unknown'
         HostOS_CPP='solaris2'
         ;;
 i[[3456]]86-*-cygwin*)
-       HostPlatform=i386-unknown-cygwin32 # hack again
-       TargetPlatform=i386-unknown-cygwin32
-       BuildPlatform=i386-unknown-cygwin32
+        HostPlatform=i386-unknown-cygwin32 # hack again
+        TargetPlatform=i386-unknown-cygwin32
+        BuildPlatform=i386-unknown-cygwin32
         HostPlatform_CPP='i386_unknown_cygwin32'
         HostArch_CPP='i386'
         HostVendor_CPP='unknown'
         HostOS_CPP='cygwin32'
-       exeext='.exe'
+        exeext='.exe'
         ;;
 i[[3456]]86-*-mingw32*)
-       HostPlatform=i386-unknown-mingw32 # hack again
-       TargetPlatform=i386-unknown-mingw32
-       BuildPlatform=i386-unknown-mingw32
+        HostPlatform=i386-unknown-mingw32 # hack again
+        TargetPlatform=i386-unknown-mingw32
+        BuildPlatform=i386-unknown-mingw32
         HostPlatform_CPP='i386_unknown_mingw32'
         HostArch_CPP='i386'
         HostVendor_CPP='unknown'
         HostOS_CPP='mingw32'
-       exeext='.exe'
+        exeext='.exe'
+        ;;
+i[[3456]]86-apple-darwin*)
+        HostPlatform=i386-apple-darwin
+        TargetPlatform=i386-apple-darwin #hack
+        BuildPlatform=i386-apple-darwin #hack
+        HostPlatform_CPP='i386_apple_darwin'
+        HostArch_CPP='i386'
+        HostVendor_CPP='apple'
+        HostOS_CPP='darwin'
+        ;;
+i[[3456]]86-*-gnu*)
+        HostPlatform=i386-unknown-gnu
+        TargetPlatform=i386-unknown-gnu
+        BuildPlatform=i386-unknown-gnu
+        HostPlatform_CPP=i386_unknown_gnu
+        HostArch_CPP=i386
+        HostVendor_CPP=unknown
+        HostOS_CPP=gnu
         ;;
 ia64-*-linux*)
         HostPlatform=ia64-unknown-linux # hack again
@@ -232,10 +311,10 @@ x86_64-*-linux*)
         HostArch_CPP='x86_64'
         HostVendor_CPP='unknown'
         HostOS_CPP='linux'
-       ;;
+        ;;
 m68k-*-linux*)
         HostPlatform=m68k-unknown-linux # hack again
-        TargetPlatform=m68k-unknown-linux                    
+        TargetPlatform=m68k-unknown-linux
         BuildPlatform=m68k-unknown-linux
         HostPlatform_CPP='m68k_unknown_linux'
         HostArch_CPP='m68k'
@@ -255,41 +334,50 @@ m68k-next-nextstep3)
         HostOS_CPP='nextstep3'
         ;;
 i[[3456]]86-next-nextstep3)
-       HostPlatform=i386-next-nextstep3 # hack again
-       TargetPlatform=i386-next-nextstep3
-       BuildPlatform=i386-next-nextstep3
+        HostPlatform=i386-next-nextstep3 # hack again
+        TargetPlatform=i386-next-nextstep3
+        BuildPlatform=i386-next-nextstep3
         HostPlatform_CPP='i386_next_nextstep3'
         HostArch_CPP='i386'
         HostVendor_CPP='next'
         HostOS_CPP='nextstep3'
         ;;
 m68k-*-openbsd*)
-       HostPlatform=m68k-unknown-openbsd
-       TargetPlatform=m68k-unknown-openbsd
-       BuildPlatform=m68k-unknown-openbsd
+        HostPlatform=m68k-unknown-openbsd
+        TargetPlatform=m68k-unknown-openbsd
+        BuildPlatform=m68k-unknown-openbsd
         HostPlatform_CPP='m68k_unknown_openbsd'
         HostArch_CPP='m68k'
         HostVendor_CPP='unknown'
         HostOS_CPP='openbsd'
         ;;
 m68k-*-netbsd*)
-       HostPlatform=m68k-unknown-netbsd
-       TargetPlatform=m68k-unknown-netbsd
-       BuildPlatform=m68k-unknown-netbsd
+        HostPlatform=m68k-unknown-netbsd
+        TargetPlatform=m68k-unknown-netbsd
+        BuildPlatform=m68k-unknown-netbsd
         HostPlatform_CPP='m68k_unknown_netbsd'
         HostArch_CPP='m68k'
         HostVendor_CPP='unknown'
         HostOS_CPP='netbsd'
         ;;
 m68k-sun-sunos4*)
-       HostPlatform=m68k-sun-sunos4
-       TargetPlatform=m68k-sun-sunos4 #hack
-       BuildPlatform=m68k-sun-sunos4 #hack
+        HostPlatform=m68k-sun-sunos4
+        TargetPlatform=m68k-sun-sunos4 #hack
+        BuildPlatform=m68k-sun-sunos4 #hack
         HostPlatform_CPP='m68k_sun_sunos4'
         HostArch_CPP='m68k'
         HostVendor_CPP='sun'
         HostOS_CPP='sunos4'
         ;;
+m88k-*-openbsd*)
+        HostPlatform=m88k-unknown-openbsd
+        TargetPlatform=m88k-unknown-openbsd
+        BuildPlatform=m88k-unknown-openbsd
+        HostPlatform_CPP='m88k_unknown_openbsd'
+        HostArch_CPP='m88k'
+        HostVendor_CPP='unknown'
+        HostOS_CPP='openbsd'
+        ;;
 mips-*-linux*)
         HostPlatform=mips-unknown-linux # hack again
         TargetPlatform=mips-unknown-linux
@@ -306,41 +394,41 @@ mips-dec-ultrix*)
         HostOS_CPP='ultrix'
         ;;
 mips-sgi-irix*)
-       HostPlatform=mips-sgi-irix
-       TargetPlatform=mips-sgi-irix #hack
-       BuildPlatform=mips-sgi-irix #hack
+        HostPlatform=mips-sgi-irix
+        TargetPlatform=mips-sgi-irix #hack
+        BuildPlatform=mips-sgi-irix #hack
         HostPlatform_CPP='mips_sgi_irix'
         HostArch_CPP='mipseb'   # NB a little different
         HostVendor_CPP='sgi'
         HostOS_CPP='irix'
         ;;
 rs6000-ibm-aix*)
-       HostPlatform=rs6000-ibm-aix
-       TargetPlatform=rs6000-ibm-aix #hack
-       BuildPlatform=rs6000-ibm-aix #hack
+        HostPlatform=rs6000-ibm-aix
+        TargetPlatform=rs6000-ibm-aix #hack
+        BuildPlatform=rs6000-ibm-aix #hack
         HostPlatform_CPP='rs6000_ibm_aix'
         HostArch_CPP='rs6000'
         HostVendor_CPP='ibm'
         HostOS_CPP='aix'
         ;;
 powerpc-ibm-aix*)
-       HostPlatform=powerpc-ibm-aix
-       TargetPlatform=powerpc-ibm-aix #hack
-       BuildPlatform=powerpc-ibm-aix #hack
+        HostPlatform=powerpc-ibm-aix
+        TargetPlatform=powerpc-ibm-aix #hack
+        BuildPlatform=powerpc-ibm-aix #hack
         HostPlatform_CPP='powerpc_ibm_aix'
         HostArch_CPP='powerpc'
         HostVendor_CPP='ibm'
         HostOS_CPP='aix'
         ;;
 powerpc-apple-darwin*)
-       HostPlatform=powerpc-apple-darwin
-       TargetPlatform=powerpc-apple-darwin #hack
-       BuildPlatform=powerpc-apple-darwin #hack
-       HostPlatform_CPP='powerpc_apple_darwin'
-       HostArch_CPP='powerpc'
-       HostVendor_CPP='apple'
-       HostOS_CPP='darwin'
-       ;;
+        HostPlatform=powerpc-apple-darwin
+        TargetPlatform=powerpc-apple-darwin #hack
+        BuildPlatform=powerpc-apple-darwin #hack
+        HostPlatform_CPP='powerpc_apple_darwin'
+        HostArch_CPP='powerpc'
+        HostVendor_CPP='apple'
+        HostOS_CPP='darwin'
+        ;;
 powerpc-unknown-linux*)
         HostPlatform=powerpc-unknown-linux
         TargetPlatform=powerpc-unknown-linux
@@ -350,6 +438,25 @@ powerpc-unknown-linux*)
         HostVendor_CPP='unknown'
         HostOS_CPP='linux'
         ;;
+powerpc-unknown-openbsd*)
+        HostPlatform=powerpc-unknown-openbsd
+        TargetPlatform=powerpc-unknown-openbsd
+        BuildPlatform=powerpc-unknown-openbsd
+        HostPlatform_CPP='powerpc_unknown_openbsd'
+        HostArch_CPP='powerpc'
+        HostVendor_CPP='unknown'
+        HostOS_CPP='openbsd'
+        ;;
+powerpc64-unknown-linux*)
+        HostPlatform=powerpc64-unknown-linux
+        TargetPlatform=powerpc64-unknown-linux
+        BuildPlatform=powerpc64-unknown-linux
+        HostPlatform_CPP='powerpc64_unknown_linux'
+        HostArch_CPP='powerpc64'
+        HostVendor_CPP='unknown'
+        HostOS_CPP='linux'
+        ;;
+
 s390-ibm-linux*)
        HostPlatform=s390-ibm-linux
        TargetPlatform=s390-ibm-linux #hack
@@ -360,18 +467,18 @@ s390-ibm-linux*)
         HostOS_CPP='linux'
         ;;
 sparc-sun-sunos4*)
-       HostPlatform=sparc-sun-sunos4
-       TargetPlatform=sparc-sun-sunos4 #hack
-       BuildPlatform=sparc-sun-sunos4 #hack
+        HostPlatform=sparc-sun-sunos4
+        TargetPlatform=sparc-sun-sunos4 #hack
+        BuildPlatform=sparc-sun-sunos4 #hack
         HostPlatform_CPP='sparc_sun_sunos4'
         HostArch_CPP='sparc'
         HostVendor_CPP='sun'
         HostOS_CPP='sunos4'
         ;;
 sparc-sun-solaris2*)
-       HostPlatform=sparc-sun-solaris2
-       TargetPlatform=sparc-sun-solaris2 #hack
-       BuildPlatform=sparc-sun-solaris2 #hack
+        HostPlatform=sparc-sun-solaris2
+        TargetPlatform=sparc-sun-solaris2 #hack
+        BuildPlatform=sparc-sun-solaris2 #hack
         HostPlatform_CPP='sparc_sun_solaris2'
         HostArch_CPP='sparc'
         HostVendor_CPP='sun'
@@ -395,6 +502,24 @@ sparc-*-openbsd*)
         HostVendor_CPP='unknown'
         HostOS_CPP='openbsd'
         ;;
+sparc64-*-openbsd*)
+        HostPlatform=sparc64-unknown-openbsd
+        TargetPlatform=sparc64-unknown-openbsd
+        BuildPlatform=sparc64-unknown-openbsd
+        HostPlatform_CPP='sparc64_unknown_openbsd'
+        HostArch_CPP='sparc64'
+        HostVendor_CPP='unknown'
+        HostOS_CPP='openbsd'
+        ;;
+vax-*-openbsd*)
+        HostPlatform=vax-unknown-openbsd
+        TargetPlatform=vax-unknown-openbsd
+        BuildPlatform=vax-unknown-openbsd
+        HostPlatform_CPP='vax_unknown_openbsd'
+        HostArch_CPP='vax'
+        HostVendor_CPP='unknown'
+        HostOS_CPP='openbsd'
+        ;;
 *)
         echo "Unrecognised platform: $HostPlatform"
         exit 1
@@ -448,24 +573,54 @@ dnl Remove common automounter nonsense
 dnl
 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
 
-dnl Find 'hardtop_plat', the native format for 'hardtop' (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
+dnl Find 'hardtop_plat', the native format for 'hardtop'
+dnl (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes
+dnl being escaped).
+dnl
+dnl Note OSTYPE: On Cygwin we need to use 'cygpath' to convert
+dnl              /cygdrive/c/foo to c:/foo but we must not do that if we
+dnl              aren't building using Cygwin (notably msys), because
+dnl              cygpath doesn't exist.  It seems that 'bash' sets
+dnl              OSTYPE to 'cygwin' or 'msys' respectively, but cygwin's
+dnl              'sh' does not.  So we hackily assume that if the shell
+dnl              hasn't set it to 'msys' then we must be in Cygwin.
+dnl              Sigh.
 dnl
+dnl              The Right Thing is probably to test $BuildPlatform
+dnl              instead, but we are sloppy about setting that correctly
+dnl              at the moment, so we just work around for now.
+dnl
+dnl              The quotes round "$(OSTYPE)" are essential, for the
+dnl              Cygwin-sh case where OSTYPE is not set.
 case $HostPlatform in
   i386-unknown-mingw32 | i386-unknown-cygwin32)
-       # convert $hardtop to a path that mingw will understand too
-       cyghardtop=${hardtop}
-       hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
-       hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
-       ;;
+        if test "${OSTYPE}" != "msys"
+          then
+            # convert $hardtop to a path that mingw will understand too
+            cyghardtop=${hardtop}
+            hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
+            hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
+          else
+            hardtop_plat=${hardtop}
+        fi
+        ;;
   *)
-       hardtop_plat=${hardtop}
-       ;;
+        hardtop_plat=${hardtop}
+        ;;
 esac
 AC_SUBST(hardtop)
 AC_SUBST(hardtop_plat)
 
 AC_MSG_RESULT(${hardtop})
 
+# We don't support building in directories with spaces.
+case "$hardtop" in
+  *' '*) AC_MSG_ERROR([
+   The build system does not support building in a directory containing
+   space characters.  Suggestion: move the build tree somewhere else.])
+ ;;
+esac
+
 dnl --------------------------------------------------------------
 dnl * Project specific configuration options
 dnl --------------------------------------------------------------
@@ -477,25 +632,20 @@ dnl use either is considered a Feature.
 dnl ** What command to use to compile compiler sources ?
 dnl --------------------------------------------------------------
 
-AC_ARG_WITH(ghc,
-[  --with-ghc=<haskell compiler>
-        Use a command different from 'ghc' to compile GHC-specific Haskell code
-           (including GHC itself).
-],
-[ WithGhc="$withval" ],
-[ 
-  if test "$GHC" = ""; then
-    AC_PATH_PROG(GHC,ghc)
+AC_ARG_WITH([ghc],
+[AC_HELP_STRING([--with-ghc=ARG],
+  [Use ARG as the path to GHC  [default=autodetect]])],
+  [WithGhc="$withval"],
+  [if test "$GHC" = ""; then
+    AC_PATH_PROG([GHC], [ghc])
   fi
-  WithGhc=$GHC
-]
-)
-AC_SUBST(WithGhc)
+  WithGhc="$GHC"])
+AC_SUBST([WithGhc])
 
 AC_ARG_WITH(hc,
-[  --with-hc=<haskell compiler>
-        Use a command different from 'ghc' to compile generic Haskell code.
-],
+[AC_HELP_STRING([--with-hc=ARG],
+        [Use ARG as the path to the compiler for compiling ordinary
+         Haskell code  (default= value of --with-ghc)])],
 [WithHc="$withval"],
 [WithHc=$WithGhc]
 )
@@ -509,21 +659,29 @@ if test "$WithGhc" != ""; then
   AC_SUBST(GhcPatchLevel)dnl
 fi
 
+# Check whether this GHC has readline installed
+FP_GHC_HAS_READLINE
+
 AC_PATH_PROGS(NHC,nhc nhc98)
 AC_PATH_PROG(HBC,hbc)
 
 dnl ** Which gcc to use?
 dnl --------------------------------------------------------------
 AC_ARG_WITH(gcc,
-[  --with-gcc=<gcc command>
-        Use a different command instead of 'gcc' for the GNU C compiler.
-],
+[AC_HELP_STRING([--with-gcc=ARG],
+        [Use ARG as the path to GCC  [default=autodetect]])],
 [WhatGccIsCalled="$withval"
- if test "x$HostPlatform" = "xi386-unknown-mingw32"; then
-    # Canonicalise to <drive>:/path/to/gcc
-    withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
+ if test "x$HostPlatform" = "xi386-unknown-mingw32"
+    then
+       if test "${OSTYPE}" != "msys"
+         then
+         # Canonicalise to <drive>:/path/to/gcc
+         withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
+       fi
  fi;
- CC="$withval"],
+ CC="$withval"
+ export CC
+ ],
 [WhatGccIsCalled="gcc"]
 )
 AC_SUBST(WhatGccIsCalled)
@@ -531,11 +689,15 @@ AC_SUBST(WhatGccIsCalled)
 dnl ** Booting from .hc files?
 dnl --------------------------------------------------------------
 AC_ARG_ENABLE(hc-boot,
-[  --enable-hc-boot
-        Boot the Glasgow Haskell Compiler from intermediate .hc files.
-        (This option is mostly of interest to porters.)
+[AC_HELP_STRING([--enable-hc-boot],
+[Boot the Glasgow Haskell Compiler from intermediate .hc files.
+ (This option is mostly of interest to porters.) [default=no]])],
+[ if test x"$enableval" = x"yes"; then
+        BootingFromHc=YES
+  else
+        BootingFromHc=NO
+  fi
 ],
-[BootingFromHc=YES],
 [BootingFromHc=NO]
 )
 AC_SUBST(BootingFromHc)
@@ -543,12 +705,16 @@ AC_SUBST(BootingFromHc)
 dnl ** Booting from unregisterised .hc files?
 dnl --------------------------------------------------------------
 AC_ARG_ENABLE(hc-boot-unregisterised,
-[  --enable-hc-boot-unregisterised
-        With --enable-hc-boot, treat the intermediate .hc files as
-        unregisterised rather than registerised code.
-        (This option is mostly of interest to porters.)
+[AC_HELP_STRING([--enable-hc-boot-unregisterised],
+[ With --enable-hc-boot, treat the intermediate .hc files as
+ unregisterised rather than registerised code.
+ (This option is mostly of interest to porters.) [default=no]])],
+[ if test x"$enableval" = x"yes"; then
+        BootingFromUnregisterisedHc=YES
+  else
+        BootingFromUnregisterisedHc=NO
+  fi
 ],
-[BootingFromUnregisterisedHc=YES],
 [BootingFromUnregisterisedHc=NO]
 )
 AC_SUBST(BootingFromUnregisterisedHc)
@@ -560,36 +726,25 @@ fi;
 fi;
 
 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
-if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
+if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/compiler"; then
 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
 fi;
 
-dnl ** Enable multi-thread friendly RTS?
-dnl --------------------------------------------------------------
-AC_ARG_ENABLE(threaded-rts,
-[  --enable-threaded-rts
-        Support better interop with OS threads.
-],
-[ThreadedRts=YES],
-[ThreadedRts=NO]
-)
-AC_SUBST(ThreadedRts)
-
 dnl ** Enable the construction of Win32 DLLs?
 dnl --------------------------------------------------------------
 dnl
 dnl [ The ability to build the RTS and libraries as separate DLLs used
-dnl   to be supported, but isn't currently (updates to the RTS, compiler 
+dnl   to be supported, but isn't currently (updates to the RTS, compiler
 dnl   and build system would be required to bring it back again.)
 dnl   Hence, exposing it as an option is false advertisement, so better
 dnl   disable it to avoid confusion (but leave it commented-out rather
-dnl   than removed in order to remind ourselves to bring back the 
+dnl   than removed in order to remind ourselves to bring back the
 dnl   feature at some stage.) ]
 dnl
 dnl AC_ARG_ENABLE(win32-dlls,
 dnl [  --enable-win32-dlls
 dnl         If on a Win32 platform running mingw32/cygwin, enable the
-dnl    construction of DLLs containing ghc-compiled code.
+dnl         construction of DLLs containing ghc-compiled code.
 dnl ],
 dnl [
 dnl case $HostOS_CPP in
@@ -611,57 +766,28 @@ dnl fi
 dnl ** Enable the building of the ObjectIO?
 dnl --------------------------------------------------------------
 AC_ARG_ENABLE(objectio,
-[  --enable-objectio
-        Build ObjectIO, a portable GUI library for Haskell.
+[AC_HELP_STRING([--enable-objectio],
+[Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
+[ if test x"$enableval" = x"yes"; then
+        GhcLibsWithObjectIO=YES
+  else
+        GhcLibsWithObjectIO=NO
+  fi
 ],
-[GhcLibsWithObjectIO=YES],
 [GhcLibsWithObjectIO=NO]
 )
 AC_SUBST(GhcLibsWithObjectIO)
 
-dnl ** Enable the building of the OpenGL/GLUT binding?
-dnl --------------------------------------------------------------
-AC_ARG_ENABLE(hopengl,
-[  --enable-hopengl
-        Build HOpenGL, a Haskell binding for OpenGL/GLUT.
-        On Mac OS X, use --enable-hopengl=x11 to use X11 instead
-        of the "native" libraries.
-],
-[GhcLibsWithOpenGL=YES; GhcLibsWithGLUT=YES],
-[GhcLibsWithOpenGL=NO;  GhcLibsWithGLUT=NO]
-)
-UseQuartzOpenGL=NO
-if test x"$TargetOS_CPP" = x"darwin"; then
-  if test x"$enable_hopengl" != x"x11"; then
-    AC_DEFINE([USE_QUARTZ_OPENGL], [1],
-              [Define to 1 if native OpenGL should be used on Mac OS X])
-    UseQuartzOpenGL=YES
-  fi
-fi
-
-AC_SUBST([GhcLibsWithOpenGL])
-AC_SUBST([GhcLibsWithGLUT])
-
-dnl ** Enable the building of the OpenAL binding?
-dnl --------------------------------------------------------------
-AC_ARG_ENABLE([openal],
-  AC_HELP_STRING([--enable-openal],
-                 [Build OpenAL binding [[default=autodetect]]]),
-  [GhcLibsWithOpenAL=$enableval],
-  [GhcLibsWithOpenAL=yes])
-
-# This is silly! Alas, "YES" and "NO" are currently our standard...
-GhcLibsWithOpenAL=`echo $GhcLibsWithOpenGL | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-
-AC_SUBST([GhcLibsWithOpenAL])
-
 dnl ** .NET interop support?
 dnl --------------------------------------------------------------
 AC_ARG_ENABLE(dotnet,
-[  --enable-dotnet
-        Build .NET interop layer.
-],
-[DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])],
+[AC_HELP_STRING([--enable-dotnet],
+[Build .NET interop layer. [default=no]])],
+[ if test x"$enableval" = x"yes"; then
+        DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
+  else
+        DotnetSupport=NO
+  fi],
 [DotnetSupport=NO]
 )
 AC_SUBST(DotnetSupport)
@@ -720,9 +846,10 @@ dnl ** look for GCC and find out which version
 dnl     Figure out which C compiler to use.  Gcc is preferred.
 dnl     If gcc, make sure it's at least 2.1
 dnl
-AC_PROG_CC
-FPTOOLS_HAVE_GCC
-FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
+FP_HAVE_GCC
+FP_MINGW_GCC
+FP_GCC_NEEDS_NO_OMIT_LFPTR
+FP_GCC_HAS_NO_UNIT_AT_A_TIME
 
 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 AC_PROG_CPP
@@ -742,6 +869,9 @@ FP_PROG_CONTEXT_DIFF
 dnl ** Find find command (for Win32's benefit)
 FP_PROG_FIND
 
+dnl ** Find sort command (for the benefit of Win32 environs)
+FP_PROG_SORT
+
 dnl ** figure out how to do a BSD-ish install
 AC_PROG_INSTALL
 
@@ -749,7 +879,8 @@ dnl If you can run configure, you certainly have /bin/sh
 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
 
 dnl ** how to invoke `ar' and `ranlib'
-FPTOOLS_PROG_AR_AND_RANLIB
+FP_PROG_AR_NEEDS_RANLIB
+FP_PROG_AR_SUPPORTS_INPUT
 
 dnl ** Check to see whether ln -s works
 AC_PROG_LN_S
@@ -766,81 +897,32 @@ dnl ** check for tar
 dnl   if GNU tar is named gtar, look for it first.
 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 
-dnl ** check for jade/openjade & determine a working catalog
-AC_PATH_PROGS(JadeCmd,openjade jade,jade)
-FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
-                        /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
-if test -z "$Catalog"; then
-  AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
-fi
-case $Catalog in
-   yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
-        Catalog=
-       ;;
-   glafp*) 
-       case $HostOS_CPP in
-          mingw32)
-             Catalog=`cygpath -w $hardtop/$Catalog`
-             ;;
-          *) Catalog=$hardtop/$Catalog
-             ;;
-       esac
-   ;;
-esac   
-AC_SUBST(Catalog)
-
+dnl ** check for DocBook toolchain
+FP_CHECK_DOCBOOK_DTD
+FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl])
+FP_PROG_FO_PROCESSOR
 
 dnl ** check for ghc-pkg command
-changequote(, )dnl
-ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
-changequote([, ])dnl
-if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
-   GhcPkgCmd=$ghc_pkg_guess
-   AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
-else
-   AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
-fi
+FP_PROG_GHC_PKG
 
 AC_ARG_WITH(greencard,
-[  --with-greencard=<greencard compiler>
-        Use a command different from 'greencard' to compile GreenCard files
-],
+[AC_HELP_STRING([--with-greencard=ARG],
+        [Use ARG as the path to greencard  [default=autodetct]])],
 [
 GreenCardCmd=$withval;
 FPTOOLS_GREENCARD(3.00)
 ]
 )
 
-AC_ARG_ENABLE(src-tree-happy,
-[  --enable-src-tree-happy
-        Build and use source tree (fptools/happy) version of Happy.
-],
-[UseSrcTreeHappy=YES],
-[UseSrcTreeHappy=NO]
-)
 dnl ** check for installed happy binary + version
 dnl    (don't do it if we're booting from .hc files though.)
 if test "$BootingFromHc" = "NO"; then
 FPTOOLS_HAPPY
 fi;
 
-AC_ARG_ENABLE(src-tree-haddock,
-[  --enable-src-tree-haddock
-        Build and use source tree (fptools/haddock) version of Haddock.
-],
-[UseSrcTreeHaddock=YES],
-[UseSrcTreeHaddock=NO]
-)
 dnl ** check for installed haddock
 FPTOOLS_HADDOCK
 
-AC_ARG_ENABLE(src-tree-alex,
-[  --enable-src-tree-alex
-        Build and use source tree (fptools/alex) version of Alex.
-],
-[UseSrcTreeAlex=YES],
-[UseSrcTreeAlex=NO]
-)
 dnl ** check for installed alex binary + version
 dnl    (don't do it if we're booting from .hc files though.)
 if test "$BootingFromHc" = "NO"; then
@@ -863,11 +945,10 @@ dnl    off_t, because it will affect the result of that test.
 AC_SYS_LARGEFILE
 
 dnl ** check for specific header (.h) files that we are interested in
-AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h limits.h locale.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h bfd.h winsock.h pthread.h sys/uio.h)
-AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
+AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h])
 
-AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
-AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
+AC_CHECK_HEADER([readline/readline.h], [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
+AC_CHECK_HEADER([readline/history.h], [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 
 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
   GhcLibsWithReadline=YES
@@ -878,63 +959,18 @@ else
 fi
 AC_SUBST(GhcLibsWithReadline)
 
-dnl ** check for DOS include files
-AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
-
-dnl ** check for Windows include files
-AC_CHECK_HEADERS(windows.h)
-
-dnl ** check for OpenGL include files
-fp_save_cppflags="$CPPFLAGS"
-CPPFLAGS="$CPPFLAGS $X_CFLAGS"
-if test $UseQuartzOpenGL = YES ; then
-  AC_CHECK_HEADERS(OpenGL/gl.h)
-else
-  AC_CHECK_HEADERS(GL/gl.h)
-fi
-CPPFLAGS="$fp_save_cppflags"
-
 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 AC_HEADER_TIME
 
-dnl dynamic loading include files
-AC_CHECK_HEADERS(dlfcn.h dl.h) 
-
-dnl ** check for farcalloc (in bcc)
-AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
-
-dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
-AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
-
-dnl ** check for POSIX regex
-HavePosixRegex=NO
-AC_CHECK_HEADERS(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
-AC_SUBST(HavePosixRegex)
-
 dnl ** how do we get a timezone name, and UTC offset ?
 AC_STRUCT_TIMEZONE
 
 dnl ** do we have altzone?
 FP_DECL_ALTZONE
 
-dnl ** does struct stat contain st_blksize?
-AC_STRUCT_ST_BLKSIZE
-
 dnl ** do we have long longs?
 AC_CHECK_TYPES([long long])
 
-dnl ** check what fields struct msghdr contains
-AC_CHECK_HEADERS([sys/types.h sys/socket.h sys/uio.h])
-AC_CHECK_MEMBERS([struct msghdr.msg_control, struct msghdr.msg_accrights], [], [], [#if HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-#if HAVE_SYS_SOCKET_H
-# include <sys/socket.h>
-#endif
-#if HAVE_SYS_UIO_H
-# include <sys/uio.h>
-#endif])
-
 dnl ** what are the sizes of various types
 AC_CHECK_SIZEOF(char,               1)
 AC_CHECK_SIZEOF(double,             8)
@@ -973,119 +1009,26 @@ fi
 FP_CHECK_ALIGNMENT(unsigned short)
 FP_CHECK_ALIGNMENT(void *)
 
-dnl ** map standard C types and ISO types to Haskell types
-FPTOOLS_CHECK_HTYPE(char)
-FPTOOLS_CHECK_HTYPE(signed char)
-FPTOOLS_CHECK_HTYPE(unsigned char)
-FPTOOLS_CHECK_HTYPE(short)
-FPTOOLS_CHECK_HTYPE(unsigned short)
-FPTOOLS_CHECK_HTYPE(int)
-FPTOOLS_CHECK_HTYPE(unsigned int)
-FPTOOLS_CHECK_HTYPE(long)
-FPTOOLS_CHECK_HTYPE(unsigned long)
-if test "$ac_cv_type_long_long" = yes; then
-FPTOOLS_CHECK_HTYPE(long long)
-FPTOOLS_CHECK_HTYPE(unsigned long long)
-fi
-FPTOOLS_CHECK_HTYPE(float)
-FPTOOLS_CHECK_HTYPE(double)
-FPTOOLS_CHECK_HTYPE(ptrdiff_t)
-FPTOOLS_CHECK_HTYPE(size_t)
-FPTOOLS_CHECK_HTYPE(wchar_t)
-dnl Int32 is a HACK for non-ISO C compilers
-FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
-FPTOOLS_CHECK_HTYPE(clock_t)
-FPTOOLS_CHECK_HTYPE(time_t)
-FPTOOLS_CHECK_HTYPE(dev_t, Word32)
-FPTOOLS_CHECK_HTYPE(ino_t)
-FPTOOLS_CHECK_HTYPE(mode_t)
-FPTOOLS_CHECK_HTYPE(off_t)
-FPTOOLS_CHECK_HTYPE(pid_t)
-FPTOOLS_CHECK_HTYPE(gid_t)
-FPTOOLS_CHECK_HTYPE(uid_t)
-FPTOOLS_CHECK_HTYPE(cc_t)
-FPTOOLS_CHECK_HTYPE(speed_t)
-FPTOOLS_CHECK_HTYPE(tcflag_t)
-FPTOOLS_CHECK_HTYPE(blkcnt_t)
-FPTOOLS_CHECK_HTYPE(nlink_t)
-FPTOOLS_CHECK_HTYPE(ssize_t)
-FPTOOLS_CHECK_HTYPE(rlim_t)
-FPTOOLS_CHECK_HTYPE(wint_t)
-
-dnl ** Map OpenGL data types to Haskell types
-if test $GhcLibsWithOpenGL = YES ; then
-FPTOOLS_CHECK_HTYPE(GLboolean)
-FPTOOLS_CHECK_HTYPE(GLbyte)
-FPTOOLS_CHECK_HTYPE(GLubyte)
-FPTOOLS_CHECK_HTYPE(GLshort)
-FPTOOLS_CHECK_HTYPE(GLushort)
-FPTOOLS_CHECK_HTYPE(GLint)
-FPTOOLS_CHECK_HTYPE(GLuint)
-FPTOOLS_CHECK_HTYPE(GLsizei)
-FPTOOLS_CHECK_HTYPE(GLenum)
-FPTOOLS_CHECK_HTYPE(GLbitfield)
-FPTOOLS_CHECK_HTYPE(GLfloat)
-FPTOOLS_CHECK_HTYPE(GLclampf)
-FPTOOLS_CHECK_HTYPE(GLdouble)
-FPTOOLS_CHECK_HTYPE(GLclampd)
-fi
-
-FP_CHECK_CONSTS([E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV], [#include <stdio.h>
-#include <errno.h>])
-
-dnl ** can we open files in binary mode?
-FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
-
-dnl ** check for GetModuleFileName and WinExec (windows only)
-dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
-dnl Doesn't work because the linker can't see the functions if
-dnl you omit the #include <windows.h>.  (I've no idea why not...)
-
-FPTOOLS_TRY_LINK_NOWARN(,[
-#if HAVE_WINDOWS_H
-#include <windows.h>
-#endif
-main() { 
-  WinExec("",0);
-  exit(0);
-}
-],
-[have_winexec=1],
-[have_winexec=0])
-if test "$have_winexec" = "1"; then
-  AC_DEFINE([HAVE_WINEXEC], [1], [Define to 1 if you have the WinExec function.])
-fi
+FP_CHECK_FUNC([WinExec],
+  [@%:@include <windows.h>], [WinExec("",0)])
 
-FPTOOLS_TRY_LINK_NOWARN(,[
-#if HAVE_WINDOWS_H
-#include <windows.h>
-#endif
-main() { 
-  char* dir;
-  GetModuleFileName((HMODULE)0,dir,0);
-  exit(0);
-}
-],
-[have_getmodulefilename=1],
-[have_getmodulefilename=0])
-if test "$have_getmodulefilename" = "1"; then
-AC_DEFINE([HAVE_GETMODULEFILENAME], [1], [Define to 1 if you have the GetModuleFileName function.])
-fi
+FP_CHECK_FUNC([GetModuleFileName],
+  [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
 
 dnl ** check return type of signal handlers
 dnl Foo: assumes we can use prototypes.
 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
-dnl [AC_TRY_COMPILE([#include <sys/types.h>
+dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
 dnl #include <signal.h>
 dnl #ifdef signal
 dnl #undef signal
 dnl #endif
 dnl void (*signal (int, void (*)(int)))(int);
-dnl ],
-dnl [int i;], 
-dnl ac_cv_type_signal_handler=void_int,
-dnl ac_cv_type_signal_handler=int_void)])
+dnl ]],
+dnl [[int i;]])],
+dnl [ac_cv_type_signal_handler=void_int],
+dnl [ac_cv_type_signal_handler=int_void])])
 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 dnl AC_DEFINE(VOID_INT_SIGNALS)
 dnl fi
@@ -1097,28 +1040,10 @@ if test "$ac_cv_type_signal" = void; then
 fi
 
 dnl ** check for more functions
-AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
-AC_CHECK_FUNCS(strcmp)
-AC_CHECK_FUNCS(realpath _fullpath)  
-AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
-AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
-AC_CHECK_FUNCS(vsnprintf _vsnprintf)
-AC_CHECK_FUNCS(snprintf  _snprintf )  
-AC_CHECK_FUNCS(popen     _popen )  
-AC_CHECK_FUNCS(pclose    _pclose )  
-AC_CHECK_FUNCS(setenv unsetenv)
-
-
-dnl ** check for specific library functions that we are interested in
-AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat siginterrupt symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
-
-dnl ** Solaris2 needs additionl flag for getpw*_r()
-case "$TargetPlatform" in
-  *-solaris2*)
-    unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
-    AC_SUBST(unix_SRC_HSC2HS_OPTS)
-  ;;
-esac
+dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
+AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r])
+dnl ** For ghc/rts/gmp:
+AC_CHECK_FUNCS([getpagesize])
 
 dnl ** check whether this machine has gmp3 installed
 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
@@ -1127,20 +1052,22 @@ AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
 AC_SUBST(HaveLibGmp)
 AC_SUBST(LibGmp)
 
-dnl ** (Mac OS X only: check for HaskellSupport.framework)
-HaveFrameworkHaskellSupport=NO
-if test $HostPlatform = "powerpc-apple-darwin"; then
- AC_MSG_CHECKING([for HaskellSupport.framework])
- save_libs="$LIBS"
- LIBS="-framework HaskellSupport"
- AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
- if test $HaveFrameworkHaskellSupport = YES; then
-  AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
- fi;
- LIBS="$save_libs"
- AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
-fi;
-AC_SUBST(HaveFrameworkHaskellSupport)
+dnl ** (Mac OS X only: check for GMP.framework)
+HaveFrameworkGMP=NO
+case $HostPlatform in
+*-apple-darwin)
+    AC_MSG_CHECKING([for GMP.framework])
+    save_libs="$LIBS"
+    LIBS="-framework GMP"
+    AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkGMP=YES,)
+    if test $HaveFrameworkGMP = YES; then
+      AC_DEFINE([HAVE_FRAMEWORK_GMP], [1], [Define to 1 if GMP.framework is installed (Mac OS X only).])
+    fi;
+    LIBS="$save_libs"
+    AC_MSG_RESULT([$HaveFrameworkGMP])
+    ;;
+esac
+AC_SUBST(HaveFrameworkGMP)
 
 dnl ** check for mingwex library
 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
@@ -1161,231 +1088,25 @@ dnl    the order of these tests matters: bfd needs liberty
 AC_CHECK_LIB(iberty, xmalloc)
 AC_CHECK_LIB(bfd,    bfd_init)
 
-dnl ** check for wide-char classifications
-dnl FreeBSD has an emtpy wctype.h, so test one of the affected
-dnl functions if it's really there.
-AC_CHECK_HEADERS(wctype.h,
-  [AC_CHECK_FUNCS(iswspace)]
-)
-
-dnl ** check for readline, for Hugs and hslibs' Readline
-dnl ncurses supersedes termcap and curses, but for compatibility,
-dnl we have to check for all...
-AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
-  AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
-    AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
-      HaveLibTermcap=NO; LibTermcap=not-installed)))
-
-if test $HaveLibTermcap = YES ; then
-  LIBS="-l$LibTermcap $LIBS"
-  AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
-fi
-
-if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
-  AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
-  LibsReadline="readline $LibTermcap"
-else
-  AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
-  LibsReadline=
-fi
-AC_SUBST(LibsReadline)
-
-if test "$HaveLibReadline"; then
-  AC_CHECK_LIB(readline, rl_erase_empty_line,
-    [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
-    [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
-  AC_CHECK_LIB(readline, rl_free_undo_list,
-    [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
-    [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
-else
-  AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
-  AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
-fi
-
 dnl ** check for math library
-FPTOOLS_CHECK_LIBM()
-AC_SUBST(LIBM)
-
-dnl ** check for X Window System
-AC_PATH_XTRA()
-
-dnl ** check for OpenGL/GLUT/GLX include paths and libraries
-if test $GhcLibsWithOpenGL = YES ; then
-  if test $UseQuartzOpenGL = YES ; then
-    dnl Take a shortcut for Mac OS X native OpenGL:
-    dnl It's in a non-standard location, but it's always there
-    GL_CFLAGS=
-       GL_LIBS=
-       GLUT_LIBS=
-       AC_SUBST(GL_CFLAGS)
-       AC_SUBST(GL_LIBS)
-       AC_SUBST(GLUT_LIBS)
-  else
-    FPTOOLS_HAVE_OPENGL
-  fi
+AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
+if test x"$fp_libm_not_needed" = xdunno; then
+   AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
 fi
+AC_SUBST([LIBM])
 
 dnl ################################################################
 dnl Check for libraries
 dnl ################################################################
 
-dnl ** check for libdl & RTLD_NEXT
-
-dnl (Mac OS X only) ... but don't check if we already have the
-dnl HaskellSupport.framework
-
-if test $HaveFrameworkHaskellSupport = YES; then
-    HaveLibDL=NO
-    HaveRtldNext=NO
-    HaveRtldLocal=YES
-    AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
-    HaveRtldGlobal=YES
-    AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
-    HaveRtldNow=YES
-    AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
-    AC_SUBST(HaveLibDL)
-    AC_SUBST(HaveRtldNext)
-    AC_SUBST(HaveRtldLocal)
-    AC_SUBST(HaveRtldGlobal)
-    AC_SUBST(HaveRtldNow)
-else
-    AC_CHECK_LIB(dl, dlopen, 
-       [HaveLibDL=YES
-        AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
-        LIBS="$LIBS -ldl"], 
-       [HaveLibDL=NO])
-    AC_CHECK_FUNCS(dlopen)
-    AC_SUBST(HaveLibDL)
-
-    dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
-    AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
-    AC_EGREP_CPP(yes,
-    [
-     #include <dlfcn.h>
-     #ifdef RTLD_NEXT
-            yes
-     #endif
-    ], [
-      AC_MSG_RESULT(yes)
-      AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
-      HaveRtldNext=YES
-    ], [
-      AC_MSG_RESULT(no)
-      HaveRtldNext=NO
-      ])    
-    AC_SUBST(HaveRtldNext)
-
-    dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
-    AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
-    AC_EGREP_CPP(yes,
-    [
-     #include <dlfcn.h>
-     #ifdef RTLD_LOCAL
-            yes
-     #endif
-    ], [
-      AC_MSG_RESULT(yes)
-      AC_DEFINE(HAVE_RTLDLOCAL)
-      HaveRtldLocal=YES
-    ], [
-      AC_MSG_RESULT(no)
-      HaveRtldLocal=NO
-      ])    
-    AC_SUBST(HaveRtldLocal)
-
-    dnl ** RTLD_GLOBAL isn't available on openbsd
-    AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
-    AC_EGREP_CPP(yes,
-    [
-     #include <dlfcn.h>
-     #ifdef RTLD_GLOBAL
-            yes
-     #endif
-    ], [
-      AC_MSG_RESULT(yes)
-      AC_DEFINE(HAVE_RTLDGLOBAL)
-      HaveRtldGlobal=YES
-    ], [
-      AC_MSG_RESULT(no)
-      HaveRtldGlobal=NO
-      ])    
-    AC_SUBST(HaveRtldGlobal)
-
-    dnl ** RTLD_NOW isn't available on openbsd
-    AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
-    AC_EGREP_CPP(yes,
-    [
-     #include <dlfcn.h>
-     #ifdef RTLD_NOW
-            yes
-     #endif
-    ], [
-      AC_MSG_RESULT(yes)
-      AC_DEFINE(HAVE_RTLDNOW)
-      HaveRtldNow=YES
-    ], [
-      AC_MSG_RESULT(no)
-      HaveRtldNow=NO
-      ])    
-    AC_SUBST(HaveRtldNow)
-fi
-
-FPTOOLS_CHECK_LIB_NOWARN(m, atan)
-
-dnl ---------- usleep ----------
-dnl --- stolen from guile configure ---
-dnl --- FIXME: /usr/include/unistd.h can't be right?
-
-### On some systems usleep has no return value.  If it does have one,
-### we'd like to return it; otherwise, we'll fake it.
-AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
-  [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
-                   /usr/include/unistd.h,
-                   [cv_func_usleep_return_type=void],
-                   [cv_func_usleep_return_type=int])])
-case "$cv_func_usleep_return_type" in
-  "void" )
-    AC_DEFINE([USLEEP_RETURNS_VOID], [1], [Define if the system headers declare usleep to return void.])
-  ;;
-esac
-
-dnl --------------------------------------------------
-dnl * test for in_addr_t
-dnl --------------------------------------------------
-AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
-AC_EGREP_HEADER(in_addr_t, netinet/in.h,
- [ AC_DEFINE([HAVE_IN_ADDR_T], [1], [Define to 1 if in_addr_t is available.]) AC_MSG_RESULT(yes) ],
- AC_MSG_RESULT(no))
-
-dnl --------------------------------------------------
-dnl * test for Linux sendfile(2)
-dnl --------------------------------------------------
-AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
-AC_EGREP_HEADER(sendfile, sys/sendfile.h,
- [ AC_DEFINE([HAVE_LINUX_SENDFILE], [1], [Define to 1 if you have a Linux sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
- AC_MSG_RESULT(no))
-
-dnl --------------------------------------------------
-dnl * test for BSD sendfile(2)
-dnl --------------------------------------------------
-AC_MSG_CHECKING(for sendfile in sys/socket.h)
-AC_EGREP_HEADER(sendfile, sys/socket.h,
- [ AC_DEFINE([HAVE_BSD_SENDFILE], [1], [Define to 1 if you have a BSDish sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
- AC_MSG_RESULT(no))
-
-dnl --------------------------------------------------
-dnl * test for GTK+
-dnl --------------------------------------------------
+dnl ** check whether we need -ldl to get dlopen()
 
-AC_PATH_PROGS([GTK_CONFIG], [gtk-config gtk12-config])
-if test -n "$GTK_CONFIG"; then
-  AC_CACHE_CHECK([for version of GTK+], [fp_cv_gtk_version],
-    [fp_cv_gtk_version=`$GTK_CONFIG --version`])
-  FP_COMPARE_VERSIONS([$fp_cv_gtk_version], [-lt], [1.2],
-    [AC_MSG_WARN([GTK+ not usable, need at least version 1.2])
-     GTK_CONFIG=])
-fi
-AC_SUBST([GTK_CONFIG])
+AC_CHECK_LIB(dl, dlopen,
+    [HaveLibDL=YES
+     AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
+     LIBS="$LIBS -ldl"],
+    [HaveLibDL=NO])
+AC_SUBST(HaveLibDL)
 
 dnl --------------------------------------------------
 dnl * Miscellaneous feature tests
@@ -1395,7 +1116,7 @@ dnl ** can we get alloca?
 AC_FUNC_ALLOCA
 
 dnl ** Working vfork?
-AC_FUNC_VFORK
+AC_FUNC_FORK
 
 dnl ** determine whether or not const works
 AC_C_CONST
@@ -1404,52 +1125,71 @@ dnl ** are we big endian?
 AC_C_BIGENDIAN
 
 dnl ** check for leading underscores in symbol names
-FPTOOLS_UNDERSCORE
+FP_LEADING_UNDERSCORE
 
-dnl ** check for ld, and whether ld has -x option
-AC_PATH_PROG(LdCmdRaw, ld)
-case $HostOS_CPP in
- mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
-          ;;
- *) LdCmd=${LdCmdRaw}
-    ;;
-esac
-AC_SUBST(LdCmd)
-FPTOOLS_LD_X
-
-FP_EMPTY_STRUCTS
-
-AC_MSG_CHECKING([for SIGPOLL])
-AC_EGREP_CPP(we_have_sigpoll,
-[#include <signal.h>
-#ifdef SIGPOLL
-we_have_sigpoll
-#endif
-], AC_DEFINE([HAVE_SIGPOLL], [1], [Define to 1 if you have the sigpoll() function.]) haveSIGPOLL=yes, haveSIGPOLL=no)
-AC_MSG_RESULT([$haveSIGPOLL])
-
-AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
-AC_EGREP_CPP(we_have_that_sysconf_thing,
-[
-#include <unistd.h>
-#ifdef _SC_GETGR_R_SIZE_MAX
-we_have_that_sysconf_thing
-#endif
-],
-[AC_MSG_RESULT([yes])
-AC_DEFINE([HAVE_SC_GETGR_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETGR_R_SIZE_MAX.])],
-[AC_MSG_RESULT([no])])
+dnl ** check for ld, whether it has an -x option, and if it is GNU ld
+FP_PROG_LD_X
+FP_PROG_LD_IS_GNU
 
-AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
-AC_EGREP_CPP(we_have_that_sysconf_thing,
-[
-#include <unistd.h>
-#ifdef _SC_GETPW_R_SIZE_MAX
-we_have_that_sysconf_thing
-#endif
-],
-[AC_MSG_RESULT([yes])
-AC_DEFINE([HAVE_SC_GETPW_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETPW_R_SIZE_MAX.])],
-[AC_MSG_RESULT([no])])
+dnl ** check for Apple-style dead-stripping support
+dnl    (.subsections-via-symbols assembler directive)
+
+
+AC_MSG_CHECKING(for .subsections_via_symbols)
+AC_TRY_COMPILE(,[__asm__ (".subsections_via_symbols");],
+    [
+        AC_MSG_RESULT(yes)
+        AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
+            [Define to 1 if Apple-style dead-stripping is supported.])
+    ],
+    [
+        AC_MSG_RESULT(no)
+        AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[0],
+            [Define to 1 if Apple-style dead-stripping is supported.])
+    ])
+
+dnl *** check for GNU non-executable stack note support (ELF only)
+dnl     (.section .note.GNU-stack,"",@progbits)
+
+AC_MSG_CHECKING(for GNU non-executable stack support)
+AC_COMPILE_IFELSE(
+    [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
+    [AC_MSG_RESULT(yes)
+     AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
+               [Define to 1 if GNU non-executable stack notes are supported.])
+    ],
+    [AC_MSG_RESULT(no)])
+
+dnl ** check for librt
+AC_CHECK_LIB(rt, clock_gettime)
+AC_CHECK_FUNCS(clock_gettime)
+
+dnl ** check for Apple's "interesting" long double compatibility scheme
+AC_MSG_CHECKING(for printf$LDBLStub)
+AC_TRY_LINK_FUNC(printf$LSBLStub,
+    [
+        AC_MSG_RESULT(yes)
+        AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
+            [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
+    ],
+    [
+        AC_MSG_RESULT(no)
+        AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
+            [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
+    ])
+
+# test for GTK+
+AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
+if test -n "$GTK_CONFIG"; then
+  if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
+    GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
+  else
+    AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
+    GTK_CONFIG=
+  fi
+fi
+AC_SUBST([GTK_CONFIG])
 
-AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )
+AC_CONFIG_FILES([mk/config.mk ghc.spec docs/users_guide/ug-book.xml])
+AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
+AC_OUTPUT