dnl == autoconf source for the Glasgow FP tools ==
-dnl (grep for '^dnl' to see the outline of this file)
+dnl (run "grep '^dnl \*' configure.in | sed -e 's/dnl / /g; s/\*\*/ +/g;'"
+dnl (or some such) to see the outline of this file)
dnl
-dnl * INITIAL SETUP, CHOICE OF PLATFORM(S)
-#!/bin/sh
#
-# (c) The AQUA Project, Glasgow University, 1994-1997
+# (c) The AQUA Project, Glasgow University, 1994-1998
#
-# Configure script for the Glasgow functional programming tools
-# (created automagically by autoconf...do not edit by hand)
+# Configure script template for the Glasgow functional programming tools
#
-# Do "./configure --help" to see what flags are available.
-# (Better yet, read the documentation!)
+# Process with 'autoconf' 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!)
+#
+
# First off, a distrib sanity check..
AC_INIT(mk/config.mk.in)
+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)
+AC_CONFIG_SUBDIRS(ghc)
+
# -------------------------------------------------------------------------
# Prepare to generate the following header files
#
#
AC_CONFIG_HEADER(mk/config.h)
-# No, we don't do `--srcdir'...
+# No, semi-sadly, we don't do `--srcdir'...
if test x"$srcdir" != 'x.' ; then
echo "This configuration does not support the \`--srcdir' option.."
exit 1
#
# Remove common automounter nonsense + convert from UNC to DOS style paths
-# (cygwin32-beta18 for UNC isn't quite there yet.)
+# (UNC awareness isn't quite there yet for cygwin32-beta18 and consituent tools.)
#
hardtop=`pwd`
hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|' | sed 's|^//\(.\)/|\1:/|' `
echo "*** The top of your build tree is: $hardtop"
AC_SUBST(hardtop)
-####--------------------------------------------------------------------
-dnl ** choose host(/target/build) platform
-#
-# Guess host/target/build platform(s) if necessary.
-#
+dnl--------------------------------------------------------------------
+dnl * Choose host(/target/build) platform
+dnl--------------------------------------------------------------------
+
+dnl Guess host/target/build platform(s) if necessary.
AC_CANONICAL_SYSTEM
# "$host" defaults to "$target"
if test "x$host" = xNONE ; then
host=$target
fi
-# "$build" defaults to "$host"
-#if test "x$build" = xNONE ; then
-# build=$host
-#else
-# echo "This configuration does not support the \`--build' option."
-# exit 1
-#fi
dnl ** canonicalize platform names
-# Canonicali[sz]e those babies
BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
HostVendor_CPP='dec'
HostOS_CPP='osf3'
;;
+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_CPP='alpha_unknown_freebsd'
+ HostArch_CPP='alpha'
+ HostVendor_CPP='unknown'
+ HostOS_CPP='freebsd'
+ ;;
hppa1.1-hp-hpux*)
HostPlatform=hppa1.1-hp-hpux # canonicalise for our purposes (hack)
TargetPlatform=hppa1.1-hp-hpux
HostVendor_CPP='unknown'
HostOS_CPP='linux'
;;
-i[[3456]]86-*-freebsd*)
+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
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_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
HostOS_CPP='cygwin32'
exeext='.exe'
;;
+i[[3456]]86-*-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'
+ # 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 $CFLAGS"
+ ;;
m68k-next-nextstep2)
HostPlatform_CPP='m68k_next_nextstep2'
HostArch_CPP='m68k'
AC_SUBST(exeext)
-# -------------------------------------------------------------------------
-dnl
-dnl * _GENERAL_ CONFIGURATION CHECKS
-#
+AC_PATH_PROG(GHC,ghc)
+AC_PATH_PROGS(NHC,nhc nhc98)
+AC_PATH_PROG(HBC,hbc)
+
+dnl --------------------------------------------------------------
+dnl * Project specific configuration options
+dnl --------------------------------------------------------------
+dnl What follows is a bunch of options that can either be configured
+dnl through command line options to the configure script or by
+dnl supplying defns in the build tree's mk/build.mk. Having the option to
+dnl use either is considered a Feature.
+
+dnl ** What command to use to compile compiler sources ?
+dnl --------------------------------------------------------------
+AC_ARG_WITH(hc,
+[ --with-hc=<haskell compiler>
+ Use a command different from 'ghc' to compile up Haskell code.
+ (no claims currently made that this will work with a compiler other than a
+ recent version of GHC, but you could always try...)
+],
+[WithHc="$withval"],
+[WithHc=$GHC]
+)
+AC_SUBST(WithHc)
+
+dnl ** Which gcc to use?
+dnl --------------------------------------------------------------
+AC_ARG_WITH(gcc,
+[ --with-gcc=<gcc command>
+ Use a different command instead of 'gcc' for the GNU C compiler.
+],
+[WhatGccIsCalled="$withval"],
+[WhatGccIsCalled="gcc"]
+)
+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.)
+],
+[BootingFromHc=YES],
+[BootingFromHc=NO]
+)
+AC_SUBST(BootingFromHc)
+
+
+dnl ** Enable the construction of Win32 DLLs?
+dnl --------------------------------------------------------------
+AC_ARG_ENABLE(win32-dlls,
+[ --enable-win32-dlls
+ If on a Win32 platform running mingw32/cygwin, enable the
+ construction of DLLs containing ghc-compiled code.
+],
+[
+case $HostOS_CPP in
+cygwin32) ;;
+mingw32) ;;
+*) echo "Unrecognised win32 platform: $HostPlatform"
+ exit 1
+ ;;
+esac
+EnableWin32DLLs=YES
+],
+[EnableWin32DLLs=NO]
+)
+AC_SUBST(EnableWin32DLLs)
+if test x"$EnableWin32DLLs" = "xYES" ; then
+ AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
+fi
+
+dnl --------------------------------------------------------------
+dnl End of configure script option section
+dnl --------------------------------------------------------------
+
+
+dnl --------------------------------------------------------------
+dnl * General configuration checks
+dnl --------------------------------------------------------------
-#
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
-AC_CHECK_PERL_VERSION
-fi
-#
-dnl ** does #!.../perl work? (sometimes it's too long...)
-#
-AC_SHEBANG_PERL
+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
-# Remove: we work around the problem in the single place
-# where we rely on something (getopts) from the libraries.
-#
-#dnl ** check if perl library is properly installed
-#
-# (by seeing if a "do 'getopts.pl'" works...
-#if $PerlCmd -e 'do "getopts.pl" || exit(1); exit(0);' > /dev/null 2>&1 ; then
-# :
-#else
-# echo "I think your perl library is misinstalled:"
-# echo "The following script did not work:"
-# echo ' do "getopts.pl" || exit(1); exit(0);'
-# echo 'But, anyway, we will continue in our quest..'
-#fi
-#
-#
dnl ** look for GCC and find out which version
-# Figure out which C compiler to use. Gcc is preferred.
-# If gcc, make sure it's at least 2.1
-#
+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
-AC_HAVE_GCC
+FPTOOLS_HAVE_GCC
-#
dnl ** figure out how to invoke cpp directly (gcc -E is no good)
-#
AC_PROG_CPP
-AC_PROG_GNUCPP
-#
dnl ** figure out how to do context diffs
-#
-AC_PROG_DIFF
+FPTOOLS_PROG_DIFF
+
+dnl ** Find find command (for Win32's benefit)
+AC_PATH_PROG(FindCmd, find)
-#
dnl ** look for a decent parser generator (bison preferred)
-#
-# (AC_PROG_YACCY is AC_PROG_YACC, but with some extra testing
-# on the suitability of the 'yacc' returned.)
-AC_PROG_YACCY
+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 ** figure out how to do a BSD-ish install
-#
AC_PROG_INSTALL
-#
+
+dnl If you can run configure, you certainly have /bin/sh
+AC_DEFINE(HAVE_BIN_SH)
+
dnl ** how to invoke `ar' and `ranlib'
-#
-AC_PROG_AR_AND_RANLIB
+FPTOOLS_PROG_AR_AND_RANLIB
+
-#
-#
dnl ** Check to see whether ln -s works
-#
AC_PROG_LN_S
-#
-dnl ** Find the path to sed **
-#
+
+dnl ** Find the path to sed
AC_PATH_PROG(SedCmd,sed)
-#
-dnl ** check for time command **
+
+dnl ** check for time command
AC_PATH_PROG(TimeCmd,time)
-#
-dnl ** check for tar **
-#
-# if GNU tar is named gtar, look for it first.
-#
+
+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 gzip/compress **
+dnl ** check for gzip/compress
AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
+dnl ** check for jade/openjade
+AC_PATH_PROGS(JadeCmd,openjade jade,jade)
+
compress_nm=`basename $CompressCmd`
if test x"$compress_nm" = xgzip; then
CompressCmd="$CompressCmd -d"
AC_SUBST(CompressCmd)
AC_SUBST(CompressSuffix)
-#
dnl ** check for installed happy binary + version
-#
-AC_HAPPY
+dnl (don't do it if we're booting from .hc files though.)
+if (test "$BootingFromHc" = "NO"); then
+FPTOOLS_HAPPY
+fi;
-if test x"$HappyCmd" != x; then
- if expr $HappyVersion \< "1.3" >/dev/null; then
- echo " Happy Version 1.3 or later is required to compile GHC."
- echo " Using the Happy sources in the tree.";
- HappyCmd=""
- fi
-fi
+dnl --------------------------------------------------
+dnl ### program checking section ends here ###
+dnl --------------------------------------------------
-#
-#
-dnl ** check for installed lx binary
-#
-AC_PATH_PROG(LxCmd,lx)
+dnl --------------------------------------------------
+dnl * Platform header file and syscall feature tests
+dnl ### checking the state of the local header files and syscalls ###
-#### program checking section ends here ####
-
-####--------------------------------------------------
-#### checking the state of the local header files and syscalls ####
-
-#
dnl ** check for full ANSI header (.h) files
-#
AC_HEADER_STDC
-#
dnl ** check for specific header (.h) files that we are interested in
-#
-AC_CHECK_HEADERS(dirent.h fcntl.h grp.h malloc.h memory.h nlist.h pwd.h siginfo.h signal.h stdlib.h string.h sys/fault.h sys/file.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.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 termios.h time.h types.h unistd.h utime.h vfork.h readline/readline.h )
+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_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
+AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
+
+if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
+ HaveReadlineHeaders=YES
+ AC_DEFINE(HAVE_READLINE_HEADERS,1)
+else
+ HaveReadlineHeaders=NO
+ AC_DEFINE(HAVE_READLINE_HEADERS,0)
+fi
+AC_SUBST(HaveReadlineHeaders)
+
+dnl ** check for DOS include files
+AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
+
+dnl ** check for Windows include files
+AC_CHECK_HEADERS(windows.h)
-#
dnl ** check if it is safe to include both <time.h> and <sys/time.h>
-#
AC_HEADER_TIME
-#
+
+dnl dynamic loading include files
+AC_CHECK_HEADERS(dlfcn.h dl.h)
+
+dnl ** check for farcalloc (in bcc)
+AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
+
+dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
+AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
+
dnl ** how do we get a timezone name, and UTC offset ?
-#
AC_STRUCT_TIMEZONE
-#
dnl ** what's the type of timezone?
-AC_TYPE_TIMEZONE
+FPTOOLS_HAVE_TIMEZONE
+FPTOOLS_TYPE_TIMEZONE
-#
dnl ** do we have altzone?
-AC_ALTZONE
+FPTOOLS_ALTZONE
+
+dnl ** does struct stat contain st_blksize?
+AC_STRUCT_ST_BLKSIZE
+
+dnl ** do we have long longs?
+FPTOOLS_C_LONG_LONG
dnl ** what are the sizes of various types
dnl (these must come before GHC_CHECK_ALIGNMENT)
-AC_CHECK_SIZEOF(unsigned int,4)
-AC_CHECK_SIZEOF(float, 4)
-AC_CHECK_SIZEOF(double, 8)
-AC_CHECK_SIZEOF(long, 4)
-AC_CHECK_SIZEOF(void *, 4)
+AC_CHECK_SIZEOF(char, 1)
+AC_CHECK_SIZEOF(double, 8)
+AC_CHECK_SIZEOF(float, 4)
+AC_CHECK_SIZEOF(int, 4)
+AC_CHECK_SIZEOF(long, 4)
+if test "$fptools_cv_have_long_long" = yes; then
+AC_CHECK_SIZEOF(long long, 8)
+fi
+AC_CHECK_SIZEOF(short, 2)
+AC_CHECK_SIZEOF(unsigned char, 1)
+AC_CHECK_SIZEOF(unsigned int, 4)
+AC_CHECK_SIZEOF(unsigned long, 4)
+if test "$fptools_cv_have_long_long" = yes; then
+AC_CHECK_SIZEOF(unsigned long long, 8)
+fi
+AC_CHECK_SIZEOF(unsigned short, 2)
+AC_CHECK_SIZEOF(void *, 4)
dnl ** what are alignment constraints on various types
-GHC_CHECK_ALIGNMENT(unsigned int) dnl redundant but harmless
-GHC_CHECK_ALIGNMENT(long)
-GHC_CHECK_ALIGNMENT(float)
-GHC_CHECK_ALIGNMENT(double)
+FPTOOLS_CHECK_ALIGNMENT(char)
+FPTOOLS_CHECK_ALIGNMENT(double)
+FPTOOLS_CHECK_ALIGNMENT(float)
+FPTOOLS_CHECK_ALIGNMENT(int)
+FPTOOLS_CHECK_ALIGNMENT(long)
+if test "$fptools_cv_have_long_long" = yes; then
+FPTOOLS_CHECK_ALIGNMENT(long long)
+fi
+FPTOOLS_CHECK_ALIGNMENT(short)
+FPTOOLS_CHECK_ALIGNMENT(unsigned char)
+FPTOOLS_CHECK_ALIGNMENT(unsigned int)
+FPTOOLS_CHECK_ALIGNMENT(unsigned long)
+if test "$fptools_cv_have_long_long" = yes; then
+FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
+fi
+FPTOOLS_CHECK_ALIGNMENT(unsigned short)
+FPTOOLS_CHECK_ALIGNMENT(void *)
+
+dnl ** can we open files in binary mode?
+FPTOOLS_O_BINARY
+
+dnl ** check for GetModuleFileName and WinExec (windows only)
+dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName) dnl Windows
+dnl Doesn't work because the linker can't see the functions if
+dnl you omit the #include <windows.h>. (I've no idea why not...)
+
+FPTOOLS_TRY_LINK_NOWARN(,[
+#if HAVE_WINDOWS_H
+#include <windows.h>
+#endif
+main() {
+ WinExec("",0);
+ exit(0);
+}
+],
+[have_winexec=1],
+[have_winexec=0])
+if test "$have_winexec" = "1"; then
+AC_DEFINE(HAVE_WINEXEC)
+fi
+
+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 "$have_getmodulefilename" = "1"; then
+AC_DEFINE(HAVE_GETMODULEFILENAME)
+fi
+
+dnl ** check return type of signal handlers
+dnl Foo: assumes we can use prototypes.
+dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
+dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
+dnl [AC_TRY_COMPILE([#include <sys/types.h>
+dnl #include <signal.h>
+dnl #ifdef signal
+dnl #undef signal
+dnl #endif
+dnl void (*signal (int, void (*)(int)))(int);
+dnl ],
+dnl [int i;],
+dnl ac_cv_type_signal_handler=void_int,
+dnl ac_cv_type_signal_handler=int_void)])
+dnl if test "$ac_cv_type_signal_handler" = void_int; then
+dnl AC_DEFINE(VOID_INT_SIGNALS)
+dnl fi
+
+dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
+AC_TYPE_SIGNAL
+if test "$ac_cv_type_signal" = void; then
+AC_DEFINE(VOID_INT_SIGNALS)
+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 )
+
-#
dnl ** check for specific library functions that we are interested in
-#
-AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect setitimer stat sysconf timelocal times vadvise vfork)
+AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat symlink sysconf timelocal times vadvise vfork)
-#
-dnl ** check whether this machine has GMP 2.0 installed
-#
-AC_CHECK_LIB(gmp, mpz_fdiv_qr, HaveLibGmp=YES, HaveLibGmp=NO)
+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,
+ HaveLibGmp=No; LibGmp=not-installed))
AC_SUBST(HaveLibGmp)
+AC_SUBST(LibGmp)
+
+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)
+AC_CHECK_LIB(bfd, bfd_init)
+
+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)
+ LibsReadline="-lreadline -l$LibTermcap"
+else
+ AC_DEFINE(HAVE_READLINE_LIBS,0)
+ LibsReadline=
+fi
+AC_SUBST(LibsReadline)
+
+dnl ################################################################
+dnl Check for libraries
+dnl ################################################################
+
+FPTOOLS_CHECK_LIB_NOWARN(dl, dlopen)
+FPTOOLS_CHECK_LIB_NOWARN(dld, shl_load)
+FPTOOLS_CHECK_LIB_NOWARN(m, atan)
+
+dnl --------------------------------------------------
+dnl * Miscellaneous feature tests
+dnl --------------------------------------------------
-#
-# Misc
-#
dnl ** can we get alloca?
AC_FUNC_ALLOCA
+
dnl ** determine whether or not const works
AC_C_CONST
+
+dnl ** determine whether ANSI-function prototypes work?
+AC_C_PROTOTYPES
+
dnl ** are we big endian?
AC_C_BIGENDIAN
-dnl ** determine the type of signal()
-AC_TYPE_SIGNAL
+# 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.)")
+)
-#
dnl ** check for leading underscores in symbol names
-#
-AC_UNDERSCORE
+FPTOOLS_UNDERSCORE
+
+dnl ** how is the end of text section signalled?
+FPTOOLS_END_TEXT_SECTION
+
+dnl ** how is the end of data section signalled?
+FPTOOLS_END_DATA_SECTION
+
+dnl ** code before data?
+FPTOOLS_CODE_BEFORE_DATA
AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )