1 dnl == autoconf source for the Glasgow FP tools ==
2 dnl (run "grep '^dnl \*' configure.in | sed -e 's/dnl / /g; s/\*\*/ +/g;'"
3 dnl (or some such) to see the outline of this file)
6 # (c) The AQUA Project, Glasgow University, 1994-1998
8 # Configure script template for the Glasgow functional programming tools
10 # Process with 'autoconf' to get a working configure script.
12 # For the generated configure script, do "./configure --help" to
13 # see what flags are available. (Better yet, read the documentation!)
16 # First off, a distrib sanity check..
17 AC_INIT(mk/config.mk.in)
19 dnl * Declare subdirectories that have a private configure script
21 dnl After the toplevel configuration is complete, the script will recurse into
22 dnl these subdirectories (the use of cache values makes repeated checks cheap)
23 AC_CONFIG_SUBDIRS(ghc)
25 # -------------------------------------------------------------------------
26 # Prepare to generate the following header files
29 AC_CONFIG_HEADER(mk/config.h)
31 # No, semi-sadly, we don't do `--srcdir'...
32 if test x"$srcdir" != 'x.' ; then
33 echo "This configuration does not support the \`--srcdir' option.."
38 # Remove common automounter nonsense + convert from UNC to DOS style paths
39 # (UNC awareness isn't quite there yet for cygwin32-beta18 and consituent tools.)
42 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|' | sed 's|^//\(.\)/|\1:/|' `
45 echo "*** The top of your build tree is: $hardtop"
48 dnl--------------------------------------------------------------------
49 dnl * Choose host(/target/build) platform
50 dnl--------------------------------------------------------------------
52 dnl Guess host/target/build platform(s) if necessary.
55 # "$host" defaults to "$target"
56 if test "x$host" = xNONE ; then
60 dnl ** canonicalize platform names
61 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
62 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
63 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
65 if test x"$TargetPlatform" != x"$HostPlatform" ; then
66 echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
72 # The following will be more difficult when we *are* cross-compiling.
73 # Suitable names to slam in *_CPP are in platform.h.in.
74 # We also record the architecture, vendor, and operating system (OS)
78 HostPlatform=alpha-dec-osf1 # canonicalise for our purposes
79 TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
80 BuildPlatform=alpha-dec-osf1 # hack
81 HostPlatform_CPP='alpha_dec_osf1'
87 HostPlatform=alpha-dec-osf3 # canonicalise for our purposes
88 TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
89 BuildPlatform=alpha-dec-osf3 # hack
90 HostPlatform_CPP='alpha_dec_osf3'
96 HostPlatform=alpha-unknown-linux
97 TargetPlatform=alpha-unknown-linux
98 BuildPlatform=alpha-unknown-linux
99 HostPlatform_CPP='alpha_unknown_linux'
101 HostVendor_CPP='unknown'
104 alpha-unknown-freebsd*)
105 HostPlatform=alpha-unknown-freebsd
106 TargetPlatform=alpha-unknown-freebsd
107 BuildPlatform=alpha-unknown-freebsd
108 HostPlatform_CPP='alpha_unknown_freebsd'
110 HostVendor_CPP='unknown'
114 HostPlatform=hppa1.1-hp-hpux # canonicalise for our purposes (hack)
115 TargetPlatform=hppa1.1-hp-hpux
116 BuildPlatform=hppa1.1-hp-hpux
117 HostPlatform_CPP='hppa1_1_hp_hpux'
118 HostArch_CPP='hppa1_1'
122 i[[3456]]86-*-linuxaout*)
123 HostPlatform=i386-unknown-linuxaout # hack again
124 TargetPlatform=i386-unknown-linuxaout
125 BuildPlatform=i386-unknown-linuxaout
126 HostPlatform_CPP='i386_unknown_linuxaout'
128 HostVendor_CPP='unknown'
129 HostOS_CPP='linuxaout'
131 i[[3456]]86-*-linux*)
132 HostPlatform=i386-unknown-linux # hack again
133 TargetPlatform=i386-unknown-linux
134 BuildPlatform=i386-unknown-linux
135 HostPlatform_CPP='i386_unknown_linux'
137 HostVendor_CPP='unknown'
140 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
141 HostPlatform=i386-unknown-freebsd # hack again
142 TargetPlatform=i386-unknown-freebsd
143 BuildPlatform=i386-unknown-freebsd
144 HostPlatform_CPP='i386_unknown_freebsd'
146 HostVendor_CPP='unknown'
149 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
150 HostPlatform=i386-unknown-freebsd2 # hack again
151 TargetPlatform=i386-unknown-freebsd2
152 BuildPlatform=i386-unknown-freebsd2
153 HostPlatform_CPP='i386_unknown_freebsd2'
155 HostVendor_CPP='unknown'
156 HostOS_CPP='freebsd2'
158 i[[3456]]86-*-netbsd*)
159 HostPlatform=i386-unknown-netbsd # hack again
160 TargetPlatform=i386-unknown-netbsd
161 BuildPlatform=i386-unknown-netbsd
162 HostPlatform_CPP='i386_unknown_netbsd'
164 HostVendor_CPP='unknown'
167 i[[3456]]86-*-solaris2*)
168 HostPlatform=i386-unknown-solaris2 # hack again
169 TargetPlatform=i386-unknown-solaris2
170 BuildPlatform=i386-unknown-solaris2
171 HostPlatform_CPP='i386_unknown_solaris2'
173 HostVendor_CPP='unknown'
174 HostOS_CPP='solaris2'
176 i[[3456]]86-*-cygwin32*)
177 HostPlatform=i386-unknown-cygwin32 # hack again
178 TargetPlatform=i386-unknown-cygwin32
179 BuildPlatform=i386-unknown-cygwin32
180 HostPlatform_CPP='i386_unknown_cygwin32'
182 HostVendor_CPP='unknown'
183 HostOS_CPP='cygwin32'
186 i[[3456]]86-*-mingw32*)
187 HostPlatform=i386-unknown-mingw32 # hack again
188 TargetPlatform=i386-unknown-mingw32
189 BuildPlatform=i386-unknown-mingw32
190 HostPlatform_CPP='i386_unknown_mingw32'
192 HostVendor_CPP='unknown'
195 # We assume you're using mingw32 via the gcc that comes
196 # with cygwin, and not the native port, so let's augment
197 # the gcc command-line used here with -mno-cygwin to
198 # arrange for good things to happen.
199 CFLAGS="-mno-cygwin $CFLAGS"
202 HostPlatform_CPP='m68k_next_nextstep2'
204 HostVendor_CPP='next'
205 HostOS_CPP='nextstep2'
208 HostPlatform_CPP='m68k_next_nextstep3'
210 HostVendor_CPP='next'
211 HostOS_CPP='nextstep3'
213 i[[3456]]86-next-nextstep3)
214 HostPlatform=i386-next-nextstep3 # hack again
215 TargetPlatform=i386-next-nextstep3
216 BuildPlatform=i386-next-nextstep3
217 HostPlatform_CPP='i386_next_nextstep3'
219 HostVendor_CPP='next'
220 HostOS_CPP='nextstep3'
223 HostPlatform=m68k-sun-sunos4
224 TargetPlatform=m68k-sun-sunos4 #hack
225 BuildPlatform=m68k-sun-sunos4 #hack
226 HostPlatform_CPP='m68k_sun_sunos4'
232 HostPlatform_CPP='mips_dec_ultrix'
233 HostArch_CPP='mipsel' # NB a little different
238 HostPlatform=mips-sgi-irix
239 TargetPlatform=mips-sgi-irix #hack
240 BuildPlatform=mips-sgi-irix #hack
241 HostPlatform_CPP='mips_sgi_irix'
242 HostArch_CPP='mipseb' # NB a little different
247 HostPlatform=rs6000-ibm-aix
248 TargetPlatform=rs6000-ibm-aix #hack
249 BuildPlatform=rs6000-ibm-aix #hack
250 HostPlatform_CPP='rs6000_ibm_aix'
251 HostArch_CPP='rs6000'
256 HostPlatform=powerpc-ibm-aix
257 TargetPlatform=powerpc-ibm-aix #hack
258 BuildPlatform=powerpc-ibm-aix #hack
259 HostPlatform_CPP='powerpc_ibm_aix'
260 HostArch_CPP='powerpc'
265 HostPlatform=sparc-sun-sunos4
266 TargetPlatform=sparc-sun-sunos4 #hack
267 BuildPlatform=sparc-sun-sunos4 #hack
268 HostPlatform_CPP='sparc_sun_sunos4'
274 HostPlatform=sparc-sun-solaris2
275 TargetPlatform=sparc-sun-solaris2 #hack
276 BuildPlatform=sparc-sun-solaris2 #hack
277 HostPlatform_CPP='sparc_sun_solaris2'
280 HostOS_CPP='solaris2'
283 echo "Unrecognised platform: $HostPlatform"
287 echo "Canonicalised to: $HostPlatform"
288 test x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
289 test x"$BuildPlatform" != x"$HostPlatform" && echo "Build platform set to $BuildPlatform"
291 BuildPlatform_CPP=$HostPlatform_CPP
292 TargetPlatform_CPP=$HostPlatform_CPP
293 BuildArch_CPP=$HostArch_CPP
294 TargetArch_CPP=$HostArch_CPP
295 BuildOS_CPP=$HostOS_CPP
297 TargetOS_CPP=$HostOS_CPP
298 BuildVendor_CPP=$HostVendor_CPP
299 TargetVendor_CPP=$HostVendor_CPP
301 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
302 dnl AC_SUBST(BuildPlatform)
304 AC_SUBST(HostPlatform)
305 AC_SUBST(TargetPlatform)
306 AC_SUBST(HostPlatform_CPP)
307 dnl AC_SUBST(BuildPlatform_CPP)
308 dnl AC_SUBST(TargetPlatform_CPP)
310 AC_SUBST(HostArch_CPP)
311 dnl AC_SUBST(BuildArch_CPP)
312 dnl AC_SUBST(TargetArch_CPP)
315 AC_SUBST(HostOS_Full)
316 dnl AC_SUBST(BuildOS_CPP)
317 dnl AC_SUBST(TargetOS_CPP)
319 AC_SUBST(HostVendor_CPP)
320 dnl AC_SUBST(BuildVendor_CPP)
321 dnl AC_SUBST(TargetVendor_CPP)
325 AC_PATH_PROG(GHC,ghc)
326 AC_PATH_PROGS(NHC,nhc nhc98)
327 AC_PATH_PROG(HBC,hbc)
329 dnl --------------------------------------------------------------
330 dnl * Project specific configuration options
331 dnl --------------------------------------------------------------
332 dnl What follows is a bunch of options that can either be configured
333 dnl through command line options to the configure script or by
334 dnl supplying defns in the build tree's mk/build.mk. Having the option to
335 dnl use either is considered a Feature.
337 dnl ** What command to use to compile compiler sources ?
338 dnl --------------------------------------------------------------
340 [ --with-hc=<haskell compiler>
341 Use a command different from 'ghc' to compile up Haskell code.
342 (no claims currently made that this will work with a compiler other than a
343 recent version of GHC, but you could always try...)
350 dnl ** Which gcc to use?
351 dnl --------------------------------------------------------------
353 [ --with-gcc=<gcc command>
354 Use a different command instead of 'gcc' for the GNU C compiler.
356 [WhatGccIsCalled="$withval"],
357 [WhatGccIsCalled="gcc"]
359 AC_SUBST(WhatGccIsCalled)
361 dnl ** Booting from .hc files?
362 dnl --------------------------------------------------------------
363 AC_ARG_ENABLE(hc-boot,
365 Boot the Glasgow Haskell Compiler from intermediate .hc files.
366 (This option is mostly of interest to porters.)
371 AC_SUBST(BootingFromHc)
374 dnl ** Enable the construction of Win32 DLLs?
375 dnl --------------------------------------------------------------
376 AC_ARG_ENABLE(win32-dlls,
377 [ --enable-win32-dlls
378 If on a Win32 platform running mingw32/cygwin, enable the
379 construction of DLLs containing ghc-compiled code.
385 *) echo "Unrecognised win32 platform: $HostPlatform"
393 AC_SUBST(EnableWin32DLLs)
394 if test x"$EnableWin32DLLs" = "xYES" ; then
395 AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
398 dnl --------------------------------------------------------------
399 dnl End of configure script option section
400 dnl --------------------------------------------------------------
403 dnl --------------------------------------------------------------
404 dnl * General configuration checks
405 dnl --------------------------------------------------------------
410 dnl ** look for `perl', but only in /bin on Windows
413 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
414 if test -z "$PerlCmd"; then
415 echo "You must install the version of Perl shipped with GHC"
416 echo "(or a compatible one) in /bin."
421 AC_PATH_PROG(PerlCmd,perl)
422 if test -z "$PerlCmd"; then
423 echo "You must install perl before you can continue"
424 echo "Perhaps it is already installed, but not in your PATH?"
427 FPTOOLS_CHECK_PERL_VERSION
432 dnl ** does #! path/to/perl work? (sometimes it's too long...)
436 dnl ** look for GCC and find out which version
437 dnl Figure out which C compiler to use. Gcc is preferred.
438 dnl If gcc, make sure it's at least 2.1
443 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
446 dnl ** figure out how to do context diffs
449 dnl ** Find find command (for Win32's benefit)
450 AC_PATH_PROG(FindCmd, find)
452 dnl ** look for a decent parser generator (bison preferred)
453 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
454 dnl on the suitability of the 'yacc' returned.)
457 dnl ** Find lex command (lex or flex) and library (-ll or -lfl)
458 dnl ( not that we care about the latter, see mk/config.mk.in )
462 dnl ** figure out how to do a BSD-ish install
465 dnl If you can run configure, you certainly have /bin/sh
466 AC_DEFINE(HAVE_BIN_SH)
468 dnl ** how to invoke `ar' and `ranlib'
469 FPTOOLS_PROG_AR_AND_RANLIB
472 dnl ** Check to see whether ln -s works
476 dnl ** Find the path to sed
477 AC_PATH_PROG(SedCmd,sed)
480 dnl ** check for time command
481 AC_PATH_PROG(TimeCmd,time)
485 dnl if GNU tar is named gtar, look for it first.
486 AC_PATH_PROGS(TarCmd,gtar tar,tar)
488 dnl ** check for gzip/compress
489 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
491 compress_nm=`basename $CompressCmd`
492 if test x"$compress_nm" = xgzip; then
493 CompressCmd="$CompressCmd -d"
498 AC_SUBST(CompressCmd)
499 AC_SUBST(CompressSuffix)
501 dnl ** check for installed happy binary + version
502 dnl (don't do it if we're booting from .hc files though.)
503 if (test "$BootingFromHc" = "NO"); then
507 dnl --------------------------------------------------
508 dnl ### program checking section ends here ###
509 dnl --------------------------------------------------
511 dnl --------------------------------------------------
512 dnl * Platform header file and syscall feature tests
513 dnl ### checking the state of the local header files and syscalls ###
515 dnl ** check for full ANSI header (.h) files
518 dnl ** check for specific header (.h) files that we are interested in
519 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)
521 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
522 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
524 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
525 HaveReadlineHeaders=YES
526 AC_DEFINE(HAVE_READLINE_HEADERS,1)
528 HaveReadlineHeaders=NO
529 AC_DEFINE(HAVE_READLINE_HEADERS,0)
531 AC_SUBST(HaveReadlineHeaders)
533 dnl ** check for DOS include files
534 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
536 dnl ** check for Windows include files
537 AC_CHECK_HEADERS(windows.h)
539 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
542 dnl dynamic loading include files
543 AC_CHECK_HEADERS(dlfcn.h dl.h)
545 dnl ** check for farcalloc (in bcc)
546 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
548 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
549 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
551 dnl ** how do we get a timezone name, and UTC offset ?
554 dnl ** what's the type of timezone?
555 FPTOOLS_HAVE_TIMEZONE
556 FPTOOLS_TYPE_TIMEZONE
558 dnl ** do we have altzone?
561 dnl ** does struct stat contain st_blksize?
564 dnl ** do we have long longs?
567 dnl ** what are the sizes of various types
568 dnl (these must come before GHC_CHECK_ALIGNMENT)
569 AC_CHECK_SIZEOF(char, 1)
570 AC_CHECK_SIZEOF(double, 8)
571 AC_CHECK_SIZEOF(float, 4)
572 AC_CHECK_SIZEOF(int, 4)
573 AC_CHECK_SIZEOF(long, 4)
574 if test "$fptools_cv_have_long_long" = yes; then
575 AC_CHECK_SIZEOF(long long, 8)
577 AC_CHECK_SIZEOF(short, 2)
578 AC_CHECK_SIZEOF(unsigned char, 1)
579 AC_CHECK_SIZEOF(unsigned int, 4)
580 AC_CHECK_SIZEOF(unsigned long, 4)
581 if test "$fptools_cv_have_long_long" = yes; then
582 AC_CHECK_SIZEOF(unsigned long long, 8)
584 AC_CHECK_SIZEOF(unsigned short, 2)
585 AC_CHECK_SIZEOF(void *, 4)
587 dnl ** what are alignment constraints on various types
588 FPTOOLS_CHECK_ALIGNMENT(char)
589 FPTOOLS_CHECK_ALIGNMENT(double)
590 FPTOOLS_CHECK_ALIGNMENT(float)
591 FPTOOLS_CHECK_ALIGNMENT(int)
592 FPTOOLS_CHECK_ALIGNMENT(long)
593 if test "$fptools_cv_have_long_long" = yes; then
594 FPTOOLS_CHECK_ALIGNMENT(long long)
596 FPTOOLS_CHECK_ALIGNMENT(short)
597 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
598 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
599 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
600 if test "$fptools_cv_have_long_long" = yes; then
601 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
603 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
604 FPTOOLS_CHECK_ALIGNMENT(void *)
606 dnl ** can we open files in binary mode?
609 dnl ** check for GetModuleFileName and WinExec (windows only)
610 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName) dnl Windows
611 dnl Doesn't work because the linker can't see the functions if
612 dnl you omit the #include <windows.h>. (I've no idea why not...)
614 FPTOOLS_TRY_LINK_NOWARN(,[
625 if test "$have_winexec" = "1"; then
626 AC_DEFINE(HAVE_WINEXEC)
629 FPTOOLS_TRY_LINK_NOWARN(,[
635 GetModuleFileName((HMODULE)0,dir,0);
639 [have_getmodulefilename=1],
640 [have_getmodulefilename=0])
641 if test "$have_getmodulefilename" = "1"; then
642 AC_DEFINE(HAVE_GETMODULEFILENAME)
645 dnl ** check return type of signal handlers
646 dnl Foo: assumes we can use prototypes.
647 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
648 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
649 dnl [AC_TRY_COMPILE([#include <sys/types.h>
650 dnl #include <signal.h>
654 dnl void (*signal (int, void (*)(int)))(int);
657 dnl ac_cv_type_signal_handler=void_int,
658 dnl ac_cv_type_signal_handler=int_void)])
659 dnl if test "$ac_cv_type_signal_handler" = void_int; then
660 dnl AC_DEFINE(VOID_INT_SIGNALS)
663 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
665 if test "$ac_cv_type_signal" = void; then
666 AC_DEFINE(VOID_INT_SIGNALS)
669 dnl ** check for more functions
670 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
671 AC_CHECK_FUNCS(strcmp)
672 AC_CHECK_FUNCS(realpath _fullpath)
673 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
674 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
675 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
676 AC_CHECK_FUNCS(snprintf _snprintf )
677 AC_CHECK_FUNCS(popen _popen )
678 AC_CHECK_FUNCS(pclose _pclose )
681 dnl ** check for specific library functions that we are interested in
682 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat symlink sysconf timelocal times vadvise vfork)
684 dnl ** check whether this machine has gmp2 installed
685 AC_CHECK_LIB(gmp, mpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
686 AC_CHECK_LIB(gmp2, mpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp2,
687 HaveLibGmp=No; LibGmp=not-installed))
691 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
692 dnl the order of these tests matters: bfd needs liberty
693 AC_CHECK_LIB(iberty, xmalloc)
694 AC_CHECK_LIB(bfd, bfd_init)
696 dnl ** check for readline, for Hugs and hslibs' Readline
697 dnl ncurses supersedes termcap and curses, but for compatibility,
698 dnl we have to check for all...
699 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
700 AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
701 AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
702 HaveLibTermcap=NO; LibTermcap=not-installed)))
704 if test $HaveLibTermcap = YES ; then
705 LIBS="-l$LibTermcap $LIBS"
706 AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
709 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
710 AC_DEFINE(HAVE_READLINE_LIBS,1)
711 LibsReadline="-lreadline -l$LibTermcap"
713 AC_DEFINE(HAVE_READLINE_LIBS,0)
716 AC_SUBST(LibsReadline)
718 dnl ################################################################
719 dnl Check for libraries
720 dnl ################################################################
722 FPTOOLS_CHECK_LIB_NOWARN(dl, dlopen)
723 FPTOOLS_CHECK_LIB_NOWARN(dld, shl_load)
724 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
726 dnl --------------------------------------------------
727 dnl * Miscellaneous feature tests
728 dnl --------------------------------------------------
730 dnl ** can we get alloca?
733 dnl ** determine whether or not const works
736 dnl ** determine whether ANSI-function prototypes work?
739 dnl ** are we big endian?
741 # Allay users' general fear of warnings of any kind.
742 errprint((fptools configure script wizard sez: "don't worry, the above warning is harmless (to us.)")
745 dnl ** check for leading underscores in symbol names
748 dnl ** how is the end of text section signalled?
749 FPTOOLS_END_TEXT_SECTION
751 dnl ** how is the end of data section signalled?
752 FPTOOLS_END_DATA_SECTION
754 dnl ** code before data?
755 FPTOOLS_CODE_BEFORE_DATA
757 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )
760 echo '************************************************'
761 echo '*** NOW DO: gmake boot followed by gmake all'
762 echo '*** (where gmake == GNU make)'
763 echo '************************************************'