[project @ 2002-05-01 10:45:58 by simonmar]

[ghc-hetmet.git] / configure.in

diff --git a/configure.in b/configure.in
index 42415b5..f61558e 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -20,6 +20,7 @@ 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 (the use of cache values makes repeated checks cheap)
 dnl
 dnl After the toplevel configuration is complete, the script will recurse into
 dnl these subdirectories (the use of cache values makes repeated checks cheap)

+dnl (We probably have to add hslibs/{OpenGL,GLUT} here later...)

 AC_CONFIG_SUBDIRS(ghc)
 
 # -------------------------------------------------------------------------
 AC_CONFIG_SUBDIRS(ghc)
 
 # -------------------------------------------------------------------------

@@ -43,7 +44,7 @@ hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mn
 
 echo ''
 echo "*** The top of your build tree is: $hardtop"
 
 echo ''
 echo "*** The top of your build tree is: $hardtop"

-AC_SUBST(hardtop)
+# subst of hardtop is done below after we've computed hardtop_plat.

 
 dnl--------------------------------------------------------------------
 dnl * Choose host(/target/build) platform
 
 dnl--------------------------------------------------------------------
 dnl * Choose host(/target/build) platform

@@ -74,7 +75,7 @@ exeext=''
 # We also record the architecture, vendor, and operating system (OS)
 # separately.
 case $HostPlatform in
 # We also record the architecture, vendor, and operating system (OS)
 # separately.
 case $HostPlatform in

-alpha-dec-osf[[12]]*)
+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

@@ -83,7 +84,7 @@ alpha-dec-osf[[12]]*)
         HostVendor_CPP='dec'
         HostOS_CPP='osf1'
         ;;
         HostVendor_CPP='dec'
         HostOS_CPP='osf1'
         ;;

-alpha-dec-osf[[34]]*)
+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

@@ -92,7 +93,7 @@ alpha-dec-osf[[34]]*)
         HostVendor_CPP='dec'
         HostOS_CPP='osf3'
         ;;
         HostVendor_CPP='dec'
         HostOS_CPP='osf3'
         ;;

-alpha-unknown-linux)
+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

@@ -101,7 +102,7 @@ alpha-unknown-linux)
         HostVendor_CPP='unknown'
         HostOS_CPP='linux'
         ;;
         HostVendor_CPP='unknown'
         HostOS_CPP='linux'
         ;;

-alpha-unknown-freebsd*)
+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

@@ -164,6 +165,15 @@ i[[3456]]86-*-netbsd*)
         HostVendor_CPP='unknown'
         HostOS_CPP='netbsd'
         ;;
         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_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
 i[[3456]]86-*-solaris2*)
        HostPlatform=i386-unknown-solaris2 # hack again
        TargetPlatform=i386-unknown-solaris2

@@ -173,7 +183,7 @@ i[[3456]]86-*-solaris2*)
         HostVendor_CPP='unknown'
         HostOS_CPP='solaris2'
         ;;
         HostVendor_CPP='unknown'
         HostOS_CPP='solaris2'
         ;;

-i[[3456]]86-*-cygwin32*)
+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

@@ -192,11 +202,6 @@ i[[3456]]86-*-mingw32*)
         HostVendor_CPP='unknown'
         HostOS_CPP='mingw32'
        exeext='.exe'
         HostVendor_CPP='unknown'
         HostOS_CPP='mingw32'
        exeext='.exe'

-       # We assume you're using mingw32 via the gcc that comes
-       # with cygwin, and not the native port, so let's augment
-       # the gcc command-line used here with -mno-cygwin to
-       # arrange for good things to happen.
-       CFLAGS="-mno-cygwin $CFLAGS"

         ;;
 m68k-next-nextstep2)
         HostPlatform_CPP='m68k_next_nextstep2'
         ;;
 m68k-next-nextstep2)
         HostPlatform_CPP='m68k_next_nextstep2'

@@ -261,6 +266,15 @@ powerpc-ibm-aix*)
         HostVendor_CPP='ibm'
         HostOS_CPP='aix'
         ;;
         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'
+       ;;

 sparc-sun-sunos4*)
        HostPlatform=sparc-sun-sunos4
        TargetPlatform=sparc-sun-sunos4 #hack
 sparc-sun-sunos4*)
        HostPlatform=sparc-sun-sunos4
        TargetPlatform=sparc-sun-sunos4 #hack

@@ -322,9 +336,21 @@ dnl AC_SUBST(TargetVendor_CPP)
 
 AC_SUBST(exeext)
 
 
 AC_SUBST(exeext)
 

-AC_PATH_PROG(GHC,ghc)
-AC_PATH_PROGS(NHC,nhc nhc98)
-AC_PATH_PROG(HBC,hbc)
+#
+# The native format for 'hardtop' (i.e., right kind of slashes on a Win32 box).
+# (but with b-slashes being escaped).
+case $HostPlatform in
+  i386-unknown-mingw32 | i386-unknown-cygwin32)
+       # get rid off /cygdrive/ prefix
+       hardtop=`echo ${hardtop} | sed -e 's%^/cygdrive/\(.\)/%\1:/%' `
+       hardtop_plat=`cygpath -w ${hardtop} | sed -e 's@\\\\@\\\\\\\\@g' `
+       ;;
+  *)
+       hardtop_plat=${hardtop}
+       ;;
+esac
+AC_SUBST(hardtop)
+AC_SUBST(hardtop_plat)

 
 dnl --------------------------------------------------------------
 dnl * Project specific configuration options
 
 dnl --------------------------------------------------------------
 dnl * Project specific configuration options

@@ -336,24 +362,50 @@ dnl use either is considered a Feature.
 
 dnl ** What command to use to compile compiler sources ?
 dnl --------------------------------------------------------------
 
 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)
+  fi
+  WithGhc=$GHC
+]
+)
+AC_SUBST(WithGhc)
+

 AC_ARG_WITH(hc,
 [  --with-hc=<haskell compiler>
 AC_ARG_WITH(hc,
 [  --with-hc=<haskell compiler>

-        Use a command different from 'ghc' to compile up Haskell code.
-        (no claims currently made that this will work with a compiler other than a
-         recent version of GHC, but you could always try...)
+        Use a command different from 'ghc' to compile generic Haskell code.

 ],
 [WithHc="$withval"],
 ],
 [WithHc="$withval"],

-[WithHc=$GHC]
+[WithHc=$WithGhc]

 )
 AC_SUBST(WithHc)
 
 )
 AC_SUBST(WithHc)
 

+if test "$WithGhc" != ""; then
+  FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
+  AC_SUBST(GhcVersion)dnl
+  AC_SUBST(GhcMajVersion)dnl
+  AC_SUBST(GhcMinVersion)dnl
+  AC_SUBST(GhcPatchLevel)dnl
+fi
+
+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.
 ],
 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.
 ],

-[WhatGccIsCalled="$withval"],
+[WhatGccIsCalled="$withval"
+ CC="$withval"],

 [WhatGccIsCalled="gcc"]
 )
 AC_SUBST(WhatGccIsCalled)
 [WhatGccIsCalled="gcc"]
 )
 AC_SUBST(WhatGccIsCalled)

@@ -370,6 +422,36 @@ AC_ARG_ENABLE(hc-boot,
 )
 AC_SUBST(BootingFromHc)
 
 )
 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.)
+],
+[BootingFromUnregisterisedHc=YES],
+[BootingFromUnregisterisedHc=NO]
+)
+AC_SUBST(BootingFromUnregisterisedHc)
+
+if test "$BootingFromHc" = "NO"; then
+if test "$BootingFromUnregisterisedHc" = "YES"; then
+AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
+fi;
+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 ** Enable the construction of Win32 DLLs?
 dnl --------------------------------------------------------------

@@ -395,6 +477,38 @@ if test x"$EnableWin32DLLs" = "xYES" ; then
  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 fi
 
  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 fi
 

+dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
+dnl --------------------------------------------------------------
+AC_ARG_ENABLE(hopengl,
+[  --enable-hopengl
+        Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
+        (This option is only relevant when hslibs are built.)
+],
+[GhcLibsWithHOpenGL=YES],
+[GhcLibsWithHOpenGL=NO]
+)
+AC_SUBST(GhcLibsWithHOpenGL)
+
+dnl ** Use a specific version of the GLUT API
+dnl --------------------------------------------------------------
+AC_ARG_WITH(glut-api,
+[  --with-glut-api=<version>
+        Use a specific version of the GLUT API when building HOpenGL.
+])
+test -n "$with_glut_api"  && CPPFLAGS="$CPPFLAGS -DGLUT_API_VERSION=$with_glut_api"
+
+
+dnl ** Use a specific version of the GLUT API
+dnl --------------------------------------------------------------
+AC_ARG_WITH(glut-xlib,
+[  --with-glut-xlib=<version>
+        Use a specific version of the GLUT Xlib implementation when building HOpenGL.
+])
+test -n "$with_glut_xlib" && CPPFLAGS="$CPPFLAGS -DGLUT_XLIB_IMPLEMENTATION=$with_glut_xlib"
+
+
+
+

 dnl --------------------------------------------------------------
 dnl End of configure script option section
 dnl --------------------------------------------------------------
 dnl --------------------------------------------------------------
 dnl End of configure script option section
 dnl --------------------------------------------------------------

@@ -407,20 +521,31 @@ dnl --------------------------------------------------------------
 dnl ** does #! work?
 AC_SYS_INTERPRETER()
 
 dnl ** does #! work?
 AC_SYS_INTERPRETER()
 

-dnl ** look for `perl', but watch out for version 4.035
-AC_PATH_PROG(PerlCmd,perl)
-if test -z "$PerlCmd"; then
-   echo "You must install perl before you can continue"
-   echo "Perhaps it is already installed, but not in your PATH?"
-   exit 1
-else
-FPTOOLS_CHECK_PERL_VERSION
-fi
+dnl ** look for `perl', but only in /bin on Windows
+case $HostOS_CPP in
+cygwin32|mingw32)
+      AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
+      if test -z "$PerlCmd"; then
+         echo "You must install the version of Perl shipped with GHC"
+         echo "(or a compatible one) in /bin."
+         exit 1
+      fi
+   ;;
+*)
+   AC_PATH_PROG(PerlCmd,perl)
+   if test -z "$PerlCmd"; then
+      echo "You must install perl before you can continue"
+      echo "Perhaps it is already installed, but not in your PATH?"
+      exit 1
+   else
+   FPTOOLS_CHECK_PERL_VERSION
+   fi
+   ;;
+esac

 
 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 FPTOOLS_SHEBANG_PERL
 
 
 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 FPTOOLS_SHEBANG_PERL
 

-

 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 ** 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

@@ -431,21 +556,32 @@ FPTOOLS_HAVE_GCC
 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 AC_PROG_CPP
 
 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 AC_PROG_CPP
 

+dnl ** Without optimization some INLINE trickery fails for GHCi
+SRC_CC_OPTS="-O"
+
+dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
+if test x"$TargetOS_CPP" = x"mingw32"; then
+  FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
+  SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
+  CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
+fi
+AC_SUBST(SRC_CC_OPTS)
+

 dnl ** figure out how to do context diffs
 FPTOOLS_PROG_DIFF
 
 dnl ** Find find command (for Win32's benefit)
 dnl ** figure out how to do context diffs
 FPTOOLS_PROG_DIFF
 
 dnl ** Find find command (for Win32's benefit)

-AC_PATH_PROG(FindCmd, find)
+FPTOOLS_FIND_FIND

 
 dnl ** look for a decent parser generator (bison preferred)
 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing 
 dnl  on the suitability of the 'yacc' returned.)
 FPTOOLS_PROG_YACCY
 
 
 dnl ** look for a decent parser generator (bison preferred)
 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing 
 dnl  on the suitability of the 'yacc' returned.)
 FPTOOLS_PROG_YACCY
 

-dnl ** Find lex command (lex or flex) and library (-ll or -lfl)
-dnl     ( not that we care about the latter, see mk/config.mk.in )
-AC_PROG_LEX
-
+dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
+dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
+dnl    exists if 'flex' doesn't.
+AC_PROG_LEX_STRICT

 
 dnl ** figure out how to do a BSD-ish install
 AC_PROG_INSTALL
 
 dnl ** figure out how to do a BSD-ish install
 AC_PROG_INSTALL

@@ -456,7 +592,6 @@ AC_DEFINE(HAVE_BIN_SH)
 dnl ** how to invoke `ar' and `ranlib'
 FPTOOLS_PROG_AR_AND_RANLIB
 
 dnl ** how to invoke `ar' and `ranlib'
 FPTOOLS_PROG_AR_AND_RANLIB
 

-

 dnl ** Check to see whether ln -s works
 AC_PROG_LN_S
 
 dnl ** Check to see whether ln -s works
 AC_PROG_LN_S
 

@@ -476,6 +611,29 @@ AC_PATH_PROGS(TarCmd,gtar tar,tar)
 dnl ** check for gzip/compress
 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 
 dnl ** check for gzip/compress
 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 

+dnl ** check for jade/openjade & determine a working catalog
+AC_PATH_PROGS(JadeCmd,openjade jade,jade)
+FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
+                        /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl glafp-utils/docbook/CATALOG*)
+if test -z "$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)
+

 compress_nm=`basename $CompressCmd`
 if test x"$compress_nm" = xgzip; then
   CompressCmd="$CompressCmd -d"
 compress_nm=`basename $CompressCmd`
 if test x"$compress_nm" = xgzip; then
   CompressCmd="$CompressCmd -d"

@@ -486,9 +644,16 @@ fi
 AC_SUBST(CompressCmd)
 AC_SUBST(CompressSuffix)
 
 AC_SUBST(CompressCmd)
 AC_SUBST(CompressSuffix)
 

+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.)
 dnl ** check for installed happy binary + version
 dnl    (don't do it if we're booting from .hc files though.)

-if (test "$BootingFromHc" = "NO"); then
+if test "$BootingFromHc" = "NO"; then

 FPTOOLS_HAPPY
 fi;
 
 FPTOOLS_HAPPY
 fi;
 

@@ -504,7 +669,7 @@ dnl ** check for full ANSI header (.h) files
 AC_HEADER_STDC
 
 dnl ** check for specific header (.h) files that we are interested in
 AC_HEADER_STDC
 
 dnl ** check for specific header (.h) files that we are interested in

-AC_CHECK_HEADERS(Files.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.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 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/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h vfork.h bfd.h winsock.h)
+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 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 vfork.h bfd.h winsock.h pthread.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)

@@ -524,6 +689,9 @@ 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 Windows include files
 AC_CHECK_HEADERS(windows.h)
 

+dnl ** check for OpenGL include files
+AC_CHECK_HEADERS(GL/gl.h)
+

 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 AC_HEADER_TIME
 
 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 AC_HEADER_TIME
 

@@ -536,6 +704,11 @@ 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 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_HEADER(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 ** how do we get a timezone name, and UTC offset ?
 AC_STRUCT_TIMEZONE
 

@@ -591,6 +764,60 @@ fi
 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 FPTOOLS_CHECK_ALIGNMENT(void *)
 
 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 FPTOOLS_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 "$fptools_cv_have_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(nlink_t)
+FPTOOLS_CHECK_HTYPE(ssize_t)
+
+dnl ** Map OpenGL data types to Haskell types
+if test $GhcLibsWithHOpenGL = 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
+

 dnl ** can we open files in binary mode?
 FPTOOLS_O_BINARY
 
 dnl ** can we open files in binary mode?
 FPTOOLS_O_BINARY
 

@@ -667,15 +894,18 @@ AC_CHECK_FUNCS(pclose    _pclose )
 
 
 dnl ** check for specific library functions that we are interested in
 
 
 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 symlink sysconf timelocal times vadvise vfork)
+AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise vfork localtime_r gmtime_r readdir_r)

 
 

-dnl ** check whether this machine has gmp2 installed
-AC_CHECK_LIB(gmp,  mpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
-  AC_CHECK_LIB(gmp2, mpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp2,
+dnl ** check whether this machine has gmp3 installed
+AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
+  AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,

     HaveLibGmp=No; LibGmp=not-installed))
 AC_SUBST(HaveLibGmp)
 AC_SUBST(LibGmp)
 
     HaveLibGmp=No; LibGmp=not-installed))
 AC_SUBST(HaveLibGmp)
 AC_SUBST(LibGmp)
 

+dnl ** check whether this machine has GNU regex in libc.
+FPTOOLS_REGEX_IN_LIBC
+

 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
 dnl    the order of these tests matters: bfd needs liberty
 AC_CHECK_LIB(iberty, xmalloc)
 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
 dnl    the order of these tests matters: bfd needs liberty
 AC_CHECK_LIB(iberty, xmalloc)

@@ -696,22 +926,114 @@ fi
 
 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
   AC_DEFINE(HAVE_READLINE_LIBS,1)
 
 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
   AC_DEFINE(HAVE_READLINE_LIBS,1)

-  LibsReadline="-lreadline -l$LibTermcap"
+  LibsReadline="readline $LibTermcap"

 else
   AC_DEFINE(HAVE_READLINE_LIBS,0)
   LibsReadline=
 fi
 AC_SUBST(LibsReadline)
 
 else
   AC_DEFINE(HAVE_READLINE_LIBS,0)
   LibsReadline=
 fi
 AC_SUBST(LibsReadline)
 

+if test "$HaveLibReadline"; then
+  AC_CHECK_LIB(readline, rl_erase_empty_line,
+    [AC_DEFINE(HAVE_READLINE_4, 1)],
+    [AC_DEFINE(HAVE_READLINE_4, 0)])
+  AC_CHECK_LIB(readline, rl_free_undo_list,
+    [AC_DEFINE(HAVE_READLINE_4_2, 1)],
+    [AC_DEFINE(HAVE_READLINE_4_2, 0)])
+else
+  AC_DEFINE(HAVE_READLINE_4, 0)
+  AC_DEFINE(HAVE_READLINE_4_2, 0)
+fi
+
+dnl ** check for math library
+FPTOOLS_CHECK_LIBM()
+AC_SUBST(LIBM)
+
+case $HostOS_CPP in
+cygwin32) ;;
+mingw32)  ;;
+*) AC_PATH_XTRA() ;;
+esac
+
+FPTOOLS_HAVE_OPENGL
+

 dnl ################################################################
 dnl Check for libraries
 dnl ################################################################
 
 dnl ################################################################
 dnl Check for libraries
 dnl ################################################################
 

-FPTOOLS_CHECK_LIB_NOWARN(dl, dlopen)
-FPTOOLS_CHECK_LIB_NOWARN(dld, shl_load)
+dnl ** check for libdl & RTLD_NEXT
+
+AC_CHECK_LIB(dl, dlopen, 
+       [HaveLibDL=YES
+        AC_DEFINE(HAVE_LIBDL)
+        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)
+  HaveRtldNext=YES
+], [
+  AC_MSG_RESULT(no)
+  HaveRtldNext=NO
+  ])    
+AC_SUBST(HaveRtldNext)
+
+dnl ** RTLD_LOCAL isn't available on cygwin
+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)
+

 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
 
 dnl --------------------------------------------------
 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
 
 dnl --------------------------------------------------

+dnl * test for GTK+
+dnl --------------------------------------------------
+
+AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
+if test "$GTK_CONFIG" != ""; then
+   AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
+       fptools_cv_gtk_version=`$GTK_CONFIG --version`
+    ])
+    GTK_VERSION=$fptools_cv_gtk_version
+else
+    GTK_VERSION=
+fi
+
+case $fptools_cv_gtk_version in
+  1.[[23]].*) ;;
+  *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
+     GTK_CONFIG=
+     ;;
+esac
+
+AC_SUBST(GTK_CONFIG)
+AC_SUBST(GTK_VERSION)
+
+dnl --------------------------------------------------

 dnl * Miscellaneous feature tests
 dnl --------------------------------------------------
 
 dnl * Miscellaneous feature tests
 dnl --------------------------------------------------
 

@@ -727,7 +1049,9 @@ AC_C_PROTOTYPES
 dnl ** are we big endian?
 AC_C_BIGENDIAN
 # Allay users' general fear of warnings of any kind.
 dnl ** are we big endian?
 AC_C_BIGENDIAN
 # Allay users' general fear of warnings of any kind.

-errprint((fptools configure script wizard sez: "don't worry, the above warning is harmless (to us.)")
+errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
+)
+errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.

 )
 
 dnl ** check for leading underscores in symbol names
 )
 
 dnl ** check for leading underscores in symbol names

@@ -742,11 +1066,15 @@ FPTOOLS_END_DATA_SECTION
 dnl ** code before data?
 FPTOOLS_CODE_BEFORE_DATA
 
 dnl ** code before data?
 FPTOOLS_CODE_BEFORE_DATA
 

-AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )
+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

 
 

-echo ''
-echo '************************************************'
-echo '*** NOW DO: gmake boot followed by gmake all'
-echo '***         (where gmake == GNU make)'
-echo '************************************************'
-exit 0
+AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )