configure.ac 27.7 KB
Newer Older
1
dnl == autoconf source for the Glasgow FP tools ==
2
dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/   +/g;'"
sof's avatar
sof committed
3
dnl  (or some such) to see the outline of this file)
4
5
dnl
#
6
# (c) The University of Glasgow 1994-2004
7
#
8
# Configure script template for GHC
9
#
10
# Process with 'autoreconf' to get a working configure script.
11
#
sof's avatar
sof committed
12
13
14
15
# For the generated configure script, do "./configure --help" to
# see what flags are available. (Better yet, read the documentation!)
#

Ian Lynagh's avatar
Ian Lynagh committed
16
AC_INIT([The Glorious Glasgow Haskell Compilation System], [7.3], [glasgow-haskell-bugs@haskell.org], [ghc])
17

18
# Set this to YES for a released version, otherwise NO
19
: ${RELEASE=NO}
20
21
22
23
24
25
26
27
28

# The primary version (e.g. 6.7, 6.6.1) is set in the AC_INIT line
# above.  If this is not a released version, then we will append the
# date to the version number (e.g. 6.7.20070204).  The date is
# constructed by finding the date of the most recent patch in the
# darcs repository.  If this is a source distribution (not a darcs
# checkout), then we ship a file 'VERSION' containing the full version
# when the source distribution was created.

29
if test ! -f mk/config.h.in; then
30
   echo "mk/config.h.in doesn't exist: perhaps you haven't run 'perl boot'?"
31
32
33
   exit 1
fi

34
35
AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args])

36
37
38
39
40
41
42
43
44
45
46
dnl ----------------------------------------------------------
dnl ** Find unixy sort and find commands, 
dnl ** which are needed by FP_SETUP_PROJECT_VERSION

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 ----------------------------------------------------------
47
48
49
50
FP_SETUP_PROJECT_VERSION

# Hmmm, we fix the RPM release number to 1 here... Is this convenient?
AC_SUBST([release], [1])
51

52
# First off, a distrib sanity check..
53
AC_CONFIG_SRCDIR([mk/config.mk.in])
54

55
56
57
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.
58
AC_PREREQ([2.52])
59

60
61
62
# -------------------------------------------------------------------------
# Prepare to generate the following header files
#
63
64
#
AC_CONFIG_HEADER(mk/config.h)
65

sof's avatar
sof committed
66
# No, semi-sadly, we don't do `--srcdir'...
67
if test x"$srcdir" != 'x.' ; then
68
    echo "This configuration does not support the \`--srcdir' option.."
69
70
71
    exit 1
fi

sof's avatar
sof committed
72
73
74
75
76
77
78
79
80
81
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 --------------------------------------------------------------
82

83
AC_ARG_WITH([ghc],
84
[AC_HELP_STRING([--with-ghc=ARG],
85
86
87
88
  [Use ARG as the path to GHC  [default=autodetect]])],
  [WithGhc="$withval"],
  [if test "$GHC" = ""; then
    AC_PATH_PROG([GHC], [ghc])
89
  fi
90
  WithGhc="$GHC"])
91

92
93
94
95
96

dnl ** Tell the make system which OS we are using
dnl $OSTYPE is set by the operating system to "msys" or "cygwin" or something 
AC_SUBST(OSTYPE)

Simon Marlow's avatar
Simon Marlow committed
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
dnl ** Booting from .hc files?
dnl --------------------------------------------------------------
AC_ARG_ENABLE(hc-boot,
[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=NO]
)
AC_SUBST(BootingFromHc)

Ian Lynagh's avatar
Ian Lynagh committed
113
114
115
116
117
118
119
AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
[AC_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
                [Allow bootstrapping using a development snapshot of GHC.  This is not guaranteed to work.])],
        EnableBootstrapWithDevelSnaphost=YES,
        EnableBootstrapWithDevelSnaphost=NO
)

120
121
if test "$WithGhc" != ""; then
  FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
Ian Lynagh's avatar
Ian Lynagh committed
122

123
124
  if test "$GhcMajVersion" = "unknown" -o "$GhcMinVersion" = "unknown"; then
     AC_MSG_ERROR([Cannot determine the version of $WithGhc.  Is it really GHC?])
Ian Lynagh's avatar
Ian Lynagh committed
125
126
  fi

127
128
129
130
  AC_SUBST(GhcVersion)dnl
  AC_SUBST(GhcMajVersion)dnl
  AC_SUBST(GhcMinVersion)dnl
  AC_SUBST(GhcPatchLevel)dnl
131
132
  GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
  GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
133
134
  if test $GhcCanonVersion -ge 613; then ghc_ge_613=YES; else ghc_ge_613=NO; fi
  AC_SUBST(ghc_ge_613)dnl
135

136
  BOOTSTRAPPING_GHC_INFO_FIELD([CC_STAGE0],[C compiler command],['$(CC)'])
137
138
139
  BOOTSTRAPPING_GHC_INFO_FIELD([AR_STAGE0],[ar command],['$(AR)'])
  BOOTSTRAPPING_GHC_INFO_FIELD([AR_OPTS_STAGE0],[ar flags],['$(AR_OPTS)'])
  BOOTSTRAPPING_GHC_INFO_FIELD([ArSupportsAtFile_STAGE0],[ar supports at file],['$(ArSupportsAtFile)'])
140
141
fi

Simon Marlow's avatar
Simon Marlow committed
142
dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
143
if test "$BootingFromHc" = "NO"; then
Simon Marlow's avatar
Simon Marlow committed
144
145
146
  if test "$WithGhc" = ""; then
     AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
  fi
147
148
  FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.12],
    [AC_MSG_ERROR([GHC version 6.12 or later is required to compile GHC.])])dnl
Simon Marlow's avatar
Simon Marlow committed
149
150
151
152
153
154
155
156
157
158
159
160

  if test `expr $GhcMinVersion % 2` = "1"; then
     if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
        AC_MSG_ERROR([
     $WithGhc is a development snapshot of GHC, version $GhcVersion.
     Bootstrapping using this version of GHC is not supported, and may not
     work.  Use --enable-bootstrap-with-devel-snapshot to try it anyway,
     or --with-ghc to specify a different GHC to use.])
     fi
  fi
fi;

161
162
163
# GHC is passed to Cabal, so we need a native path
if test "${WithGhc}" != ""
then
164
    ghc_host=`"${WithGhc}" +RTS --info | grep 'Host platform' | sed -e 's/.*, "//' -e 's/")//'`
165
166
167
168
169
170
171
172

    if test "$ghc_host" = "i386-unknown-mingw32"
    then
        if test "${OSTYPE}" = "msys"
        then
            WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
        else
            # Canonicalise to <drive>:/path/to/ghc
173
            WithGhc=`cygpath -m "${WithGhc}"`
174
175
176
177
178
179
        fi
        echo "GHC path canonicalised to: ${WithGhc}"
    fi
fi
AC_SUBST([WithGhc])

180
181
182
dnl ** Without optimization some INLINE trickery fails for GHCi
SRC_CC_OPTS="-O"

Ian Lynagh's avatar
Ian Lynagh committed
183
184
FP_ICONV
FP_GMP
185

186
187
188
dnl--------------------------------------------------------------------
dnl * Choose host(/target/build) platform
dnl--------------------------------------------------------------------
189
190
dnl If we aren't explicitly told what values to use with configure flags,
dnl we ask the bootstrapping compiler what platform it is for
191

192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
if test "${WithGhc}" != ""
then
        bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
        bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
        if test "$bootstrap_host" != "$bootstrap_target"
        then
                echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
        fi
fi

# We have to run these unconditionally, but we may discard their
# results in the following code
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_CANONICAL_TARGET

208
FPTOOLS_SET_PLATFORM_VARS
209

210
211
# Verify that the installed (bootstrap) GHC is capable of generating
# code for the requested build platform.
212
if test "$BootingFromHc" = "NO"
213
then
214
215
216
217
218
219
220
    if test "$BuildPlatform" != "$bootstrap_target"
    then
        echo "This GHC (${WithGhc}) does not generate code for the build platform"
        echo "   GHC target platform    : $bootstrap_target"
        echo "   Desired build platform : $BuildPlatform"
        exit 1
    fi
221
222
fi

223
224
# Testing if we shall enable shared libs support on Solaris.
# Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken.
225

226
SOLARIS_BROKEN_SHLD=NO
227

228
229
230
231
232
233
234
235
236
case $host in
     i386-*-solaris2)
     # here we go with the test
     MINOR=`uname -r|cut -d '.' -f 2-`
     if test "$MINOR" -lt "11"; then
     	SOLARIS_BROKEN_SHLD=YES
     fi
     ;;
esac
237

238
239
AC_SUBST(SOLARIS_BROKEN_SHLD)

240
241
242
243
244
245
246
247
248
AC_ARG_WITH(hc,
[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]
)
AC_SUBST(WithHc)

249
# This uses GHC, so put it after the "GHC is required" check above:
250
FP_INTREE_GHC_PWD
251
252
253
254
FP_FIND_ROOT

if test "$HostOS" = "mingw32"
then
255
256
    test -d inplace || mkdir inplace

257
258
259
    CC="$hardtop/inplace/mingw/bin/gcc.exe"
    LD="$hardtop/inplace/mingw/bin/ld.exe"
    NM="$hardtop/inplace/mingw/bin/nm.exe"
260
    fp_prog_ar_raw="$hardtop/inplace/mingw/bin/ar.exe"
261
262
263

    # NB. If you update the tarbballs to a new version of gcc, don't
    # forget to tweak the paths in driver/gcc/gcc.c.
264
    if ! test -d inplace/mingw ||
Ian Lynagh's avatar
Ian Lynagh committed
265
266
267
         test inplace/mingw -ot ghc-tarballs/mingw/binutils*.tar.lzma  ||
         test inplace/mingw -ot ghc-tarballs/mingw/gcc-core*.tar.lzma  ||
         test inplace/mingw -ot ghc-tarballs/mingw/gcc-c++*.tar.lzma   ||
Simon Marlow's avatar
Simon Marlow committed
268
         test inplace/mingw -ot ghc-tarballs/mingw/libgcc*.tar.gz      ||
Ian Lynagh's avatar
Ian Lynagh committed
269
270
271
         test inplace/mingw -ot ghc-tarballs/mingw/libgmp*.tar.gz      ||
         test inplace/mingw -ot ghc-tarballs/mingw/libmpc*.tar.gz      ||
         test inplace/mingw -ot ghc-tarballs/mingw/libmpfr*.tar.gz     ||
272
         test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma   ||
Ian Lynagh's avatar
Ian Lynagh committed
273
274
         test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
         test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
275
         test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
276
277
278
279
    then
        AC_MSG_NOTICE([Making in-tree mingw tree])
        rm -rf inplace/mingw
        mkdir inplace/mingw
Ian Lynagh's avatar
Ian Lynagh committed
280
281
        (
            cd inplace/mingw &&
Ian Lynagh's avatar
Ian Lynagh committed
282
283
284
            tar --lzma -xf ../../ghc-tarballs/mingw/binutils*.tar.lzma  &&
            tar --lzma -xf ../../ghc-tarballs/mingw/gcc-core*.tar.lzma  &&
            tar --lzma -xf ../../ghc-tarballs/mingw/gcc-c++*.tar.lzma   &&
Simon Marlow's avatar
Simon Marlow committed
285
            tar --lzma -xf ../../ghc-tarballs/mingw/libgcc*.tar.lzma    &&
Ian Lynagh's avatar
Ian Lynagh committed
286
287
288
            tar --lzma -xf ../../ghc-tarballs/mingw/libgmp*.tar.lzma    &&
            tar --lzma -xf ../../ghc-tarballs/mingw/libmpc*.tar.lzma    &&
            tar --lzma -xf ../../ghc-tarballs/mingw/libmpfr*.tar.lzma   &&
289
            tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma   &&
Ian Lynagh's avatar
Ian Lynagh committed
290
291
292
            tar -z     -xf ../../ghc-tarballs/mingw/mingwrt*-dev.tar.gz &&
            tar -z     -xf ../../ghc-tarballs/mingw/mingwrt*-dll.tar.gz &&
            tar --lzma -xf ../../ghc-tarballs/mingw/w32api*.tar.lzma    &&
Ian Lynagh's avatar
Ian Lynagh committed
293
294
            mv bin/gcc.exe bin/realgcc.exe
        )
295
296
297
298
299
        PATH=`pwd`/inplace/mingw/bin:$PATH inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
        if ! test -e inplace/mingw/bin/gcc.exe
        then
            AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
        fi
300
301
        AC_MSG_NOTICE([In-tree mingw tree created])
    fi
302
303
304
305
306
307
308
309
310
311
312
313
314
    if ! test -d inplace/perl ||
         test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
    then
        AC_MSG_NOTICE([Making in-tree perl tree])
        rm -rf inplace/perl
        mkdir inplace
        mkdir inplace/perl
        (
            cd inplace/perl &&
            tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
        )
        AC_MSG_NOTICE([In-tree perl tree created])
    fi
315
316
fi

317
XCODE_VERSION()
Ian Lynagh's avatar
Ian Lynagh committed
318
319
320
321
322
323
324
325
326
327

SplitObjsBroken=NO
if test "$TargetOS_CPP" = "darwin"
then
    # Split objects is broken (#4013) with XCode < 3.2
    if test "$XCodeVersion1" -lt 3
    then
        SplitObjsBroken=YES
    else
        if test "$XCodeVersion1" -eq 3
328
        then
Ian Lynagh's avatar
Ian Lynagh committed
329
            if test "$XCodeVersion2" -lt 2
330
            then
Ian Lynagh's avatar
Ian Lynagh committed
331
                SplitObjsBroken=YES
332
            fi
333
        fi
334
335
336
337
    fi
fi
AC_SUBST([SplitObjsBroken])

338
339
dnl ** Which gcc to use?
dnl --------------------------------------------------------------
340
FIND_GCC()
341
342
343
344
345
346
347
348
349
350
351
352
353

dnl ** Which ld to use?
dnl --------------------------------------------------------------
FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
LdCmd="$LD"
AC_SUBST([LdCmd])

dnl ** Which nm to use?
dnl --------------------------------------------------------------
FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
NmCmd="$NM"
AC_SUBST([NmCmd])

354
355
dnl ** Mac OS X: explicit deployment target
dnl --------------------------------------------------------------
356
357
358
359
AC_ARG_WITH([macosx-deployment-target],
[AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
        [Build for Mac OS VERSION and higher  (default= version of build host)])],
[FP_MACOSX_DEPLOYMENT_TARGET="$withval"
360
361
 if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
   # ignore everywhere, but on Mac OS
362
363
   AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
   FP_MACOSX_DEPLOYMENT_TARGET=none
364
 fi],
365
[FP_MACOSX_DEPLOYMENT_TARGET=none]
366
)
367
368
369
FP_CHECK_MACOSX_DEPLOYMENT_TARGET
AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
AC_SUBST(MACOSX_DEPLOYMENT_SDK)
370

sof's avatar
sof committed
371
372
373
374
375
376
377
378
dnl --------------------------------------------------------------
dnl End of configure script option section
dnl --------------------------------------------------------------


dnl --------------------------------------------------------------
dnl * General configuration checks
dnl --------------------------------------------------------------
sof's avatar
sof committed
379

380
381
382
383
384
385
386
387
388
389
dnl ** Can the unix package be built?
dnl --------------------------------------------------------------

if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
   GhcLibsWithUnix=NO
else
   GhcLibsWithUnix=YES
fi
AC_SUBST([GhcLibsWithUnix])

390
391
dnl ** does #! work?
AC_SYS_INTERPRETER()
sof's avatar
sof committed
392

Ian Lynagh's avatar
Ian Lynagh committed
393
dnl ** look for `perl'
rrt's avatar
rrt committed
394
395
case $HostOS_CPP in
cygwin32|mingw32)
Ian Lynagh's avatar
Ian Lynagh committed
396
397
    PerlCmd=$hardtop/inplace/perl/perl
    ;;
rrt's avatar
rrt committed
398
*)
Ian Lynagh's avatar
Ian Lynagh committed
399
400
401
402
403
404
405
406
407
408
    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
    ;;
rrt's avatar
rrt committed
409
esac
sof's avatar
sof committed
410

sof's avatar
sof committed
411
dnl ** does #! path/to/perl work? (sometimes it's too long...)
sof's avatar
sof committed
412
FPTOOLS_SHEBANG_PERL
sof's avatar
sof committed
413

414
415
416
dnl ** check for Python
AC_PATH_PROG(PythonCmd,python)

rrt's avatar
rrt committed
417
418
419
420
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
421
FP_GCC_VERSION
422

423
424
425
FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
426
# Stage 3 won't be supported by cross-compilation
427
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
428

429
FP_GCC_EXTRA_FLAGS
rrt's avatar
rrt committed
430
431
432

dnl ** figure out how to invoke cpp directly (gcc -E is no good)
AC_PROG_CPP
433

434
435
436
AC_SUBST(CONF_CC_OPTS_STAGE0)
AC_SUBST(CONF_CC_OPTS_STAGE1)
AC_SUBST(CONF_CC_OPTS_STAGE2)
437
438
439
440
441
442
AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
443
444
445
AC_SUBST(CONF_CPP_OPTS_STAGE0)
AC_SUBST(CONF_CPP_OPTS_STAGE1)
AC_SUBST(CONF_CPP_OPTS_STAGE2)
rrt's avatar
rrt committed
446

447
448
449
450
451
dnl ** Set up the variables for the platform in the settings file.
dnl May need to use gcc to find platform details.
dnl --------------------------------------------------------------
FPTOOLS_SET_HASKELL_PLATFORM_VARS

452
FP_SETTINGS
453

454
dnl ** figure out how to do context diffs
455
FP_PROG_CONTEXT_DIFF
sof's avatar
sof committed
456

457
458
459
dnl Let's make sure install-sh is executable here.  If we got it from
dnl a darcs repo, it might not be (see bug #978).
chmod +x install-sh
460
461
dnl ** figure out how to do a BSD-ish install
AC_PROG_INSTALL
sof's avatar
sof committed
462

reid's avatar
reid committed
463
dnl If you can run configure, you certainly have /bin/sh
464
AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
reid's avatar
reid committed
465

sof's avatar
sof committed
466
dnl ** how to invoke `ar' and `ranlib'
467
FP_PROG_AR_SUPPORTS_ATFILE
468
FP_PROG_AR_NEEDS_RANLIB
sof's avatar
sof committed
469

470
dnl ** Check to see whether ln -s works
sof's avatar
sof committed
471
472
AC_PROG_LN_S

sof's avatar
sof committed
473
474

dnl ** Find the path to sed
Ian Lynagh's avatar
Ian Lynagh committed
475
AC_PATH_PROGS(SedCmd,gsed sed,sed)
sof's avatar
sof committed
476

sof's avatar
sof committed
477
478

dnl ** check for time command
sof's avatar
sof committed
479
480
AC_PATH_PROG(TimeCmd,time)

sof's avatar
sof committed
481
482
dnl ** check for tar
dnl   if GNU tar is named gtar, look for it first.
483
AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
sof's avatar
sof committed
484

Ian Lynagh's avatar
Ian Lynagh committed
485
486
487
488
dnl ** check for patch
dnl if GNU patch is named gpatch, look for it first
AC_PATH_PROGS(PatchCmd,gpatch patch, patch)

489
490
491
492
dnl ** check for dtrace (currently only implemented for Mac OS X)
HaveDtrace=NO
AC_PATH_PROG(DtraceCmd,dtrace)
if test -n "$DtraceCmd"; then
493
  if test "x$TargetOS_CPP-$TargetVendor_CPP" == "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" == "xsolaris2-unknown"; then
494
495
496
497
498
    HaveDtrace=YES
  fi
fi
AC_SUBST(HaveDtrace)

499
AC_PATH_PROG(HSCOLOUR,HsColour)
500
# HsColour is passed to Cabal, so we need a native path
501
502
503
504
505
506
if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
   test "${OSTYPE}"      != "msys"                  && \
   test "${HSCOLOUR}"    != ""
then
    # Canonicalise to <drive>:/path/to/gcc
    HSCOLOUR=`cygpath -m ${HSCOLOUR}`
507
fi
508

509
510
dnl ** check for DocBook toolchain
FP_CHECK_DOCBOOK_DTD
511
FP_DOCBOOK_XSL
512
513
FP_PROG_DBLATEX

reid's avatar
reid committed
514
dnl ** check for ghc-pkg command
515
FP_PROG_GHC_PKG
reid's avatar
reid committed
516

sof's avatar
sof committed
517
dnl ** check for installed happy binary + version
sof's avatar
sof committed
518
dnl    (don't do it if we're booting from .hc files though.)
519
if test "$BootingFromHc" = "NO"; then
sof's avatar
sof committed
520
FPTOOLS_HAPPY
sof's avatar
sof committed
521
fi;
sof's avatar
sof committed
522

523
524
525
526
527
528
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
FPTOOLS_ALEX
fi;

sof's avatar
sof committed
529
530
531
dnl --------------------------------------------------
dnl ### program checking section ends here ###
dnl --------------------------------------------------
sof's avatar
sof committed
532

sof's avatar
sof committed
533
534
535
dnl --------------------------------------------------
dnl * Platform header file and syscall feature tests
dnl ### checking the state of the local header files and syscalls ###
sof's avatar
sof committed
536

537
538
dnl ** check for full ANSI header (.h) files
AC_HEADER_STDC
sof's avatar
sof committed
539

540
541
542
543
dnl ** Enable large file support.  NB. do this before testing the type of
dnl    off_t, because it will affect the result of that test.
AC_SYS_LARGEFILE

544
dnl ** check for specific header (.h) files that we are interested in
pgj's avatar
pgj committed
545
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/cpuset.h sys/mman.h sys/resource.h sys/select.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 sched.h])
546

547
548
dnl ** check if it is safe to include both <time.h> and <sys/time.h>
AC_HEADER_TIME
sof's avatar
sof committed
549

550
dnl ** do we have long longs?
551
AC_CHECK_TYPES([long long])
552

reid's avatar
reid committed
553
dnl ** what are the sizes of various types
554
AC_CHECK_SIZEOF(char,               1)
555
556
AC_CHECK_SIZEOF(double,             8)
AC_CHECK_SIZEOF(float,              4)
557
558
AC_CHECK_SIZEOF(int,                4)
AC_CHECK_SIZEOF(long,               4)
559
if test "$ac_cv_type_long_long" = yes; then
560
AC_CHECK_SIZEOF(long long,          8)
561
562
563
564
565
fi
AC_CHECK_SIZEOF(short,              2)
AC_CHECK_SIZEOF(unsigned char,      1)
AC_CHECK_SIZEOF(unsigned int,       4)
AC_CHECK_SIZEOF(unsigned long,      4)
566
if test "$ac_cv_type_long_long" = yes; then
567
568
AC_CHECK_SIZEOF(unsigned long long, 8)
fi
569
AC_CHECK_SIZEOF(unsigned short,     2)
570
AC_CHECK_SIZEOF(void *,             4)
reid's avatar
reid committed
571
572

dnl ** what are alignment constraints on various types
573
574
575
576
577
578
579
FP_CHECK_ALIGNMENT(char)
FP_CHECK_ALIGNMENT(double)
FP_CHECK_ALIGNMENT(float)
FP_CHECK_ALIGNMENT(int)
FP_CHECK_ALIGNMENT(long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(long long)
580
fi
581
582
583
584
585
586
FP_CHECK_ALIGNMENT(short)
FP_CHECK_ALIGNMENT(unsigned char)
FP_CHECK_ALIGNMENT(unsigned int)
FP_CHECK_ALIGNMENT(unsigned long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(unsigned long long)
587
fi
588
589
FP_CHECK_ALIGNMENT(unsigned short)
FP_CHECK_ALIGNMENT(void *)
reid's avatar
reid committed
590

591
592
FP_CHECK_FUNC([WinExec],
  [@%:@include <windows.h>], [WinExec("",0)])
reid's avatar
reid committed
593

594
595
FP_CHECK_FUNC([GetModuleFileName],
  [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
reid's avatar
reid committed
596
597
598
599
600

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,
601
dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
reid's avatar
reid committed
602
603
604
605
606
dnl #include <signal.h>
dnl #ifdef signal
dnl #undef signal
dnl #endif
dnl void (*signal (int, void (*)(int)))(int);
607
608
609
610
dnl ]],
dnl [[int i;]])],
dnl [ac_cv_type_signal_handler=void_int],
dnl [ac_cv_type_signal_handler=int_void])])
reid's avatar
reid committed
611
612
613
614
615
616
617
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
618
  AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
reid's avatar
reid committed
619
620
621
fi

dnl ** check for more functions
622
dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
623
AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
624
625
626
627
628
629
630
631
632
633
634
635
636

AC_TRY_RUN([
#include <sys/types.h>
#include <sys/time.h>
int main(void) {
  struct itimerval tval;
  tval.it_value.tv_sec = 1;
  tval.it_value.tv_usec = 0;
  tval.it_interval = tval.it_value;
  return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
}
],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])

rl@cse.unsw.edu.au's avatar
rl@cse.unsw.edu.au committed
637
638
639
640
641
642
643
dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
dnl ** _POSIX_C_SOURCE is defined
AC_CHECK_DECLS([ctime_r], , ,
[#define _POSIX_SOURCE 1
#define _POSIX_C_SOURCE 199506L
#include <time.h>])

644
645
646
647
648
dnl ** check for mingwex library
AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
AC_SUBST(HaveLibMingwEx)

if test $HaveLibMingwEx = YES ; then
649
  AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
650
651
fi

sebc's avatar
sebc committed
652
dnl ** check for math library
653
654
655
656
dnl    Keep that check as early as possible.
dnl    as we need to know whether we need libm
dnl    for math functions or not
dnl    (see http://hackage.haskell.org/trac/ghc/ticket/3730)
657
658
659
660
661
AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
if test $HaveLibM = YES
then
  AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
fi
sebc's avatar
sebc committed
662

663
664
665
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)
666
AC_CHECK_LIB(bfd,    bfd_uncompress_section_contents)
667

reid's avatar
reid committed
668
669
670
671
dnl ################################################################
dnl Check for libraries
dnl ################################################################

ross's avatar
ross committed
672
dnl ** check whether we need -ldl to get dlopen()
673

Ian Lynagh's avatar
Ian Lynagh committed
674
AC_CHECK_LIB(dl, dlopen,
675
676
    [HaveLibDL=YES
     AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
Ian Lynagh's avatar
Ian Lynagh committed
677
     LIBS="$LIBS -ldl"],
678
679
680
    [HaveLibDL=NO])
AC_SUBST(HaveLibDL)

681
dnl --------------------------------------------------
sof's avatar
sof committed
682
683
684
dnl * Miscellaneous feature tests
dnl --------------------------------------------------

sof's avatar
sof committed
685
dnl ** can we get alloca?
686
AC_FUNC_ALLOCA
sof's avatar
sof committed
687

688
dnl ** Working vfork?
689
AC_FUNC_FORK
690

691
692
dnl ** determine whether or not const works
AC_C_CONST
sof's avatar
sof committed
693

694
695
dnl ** are we big endian?
AC_C_BIGENDIAN
696
FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
sof's avatar
sof committed
697

698
dnl ** check for leading underscores in symbol names
699
FP_LEADING_UNDERSCORE
700

701
702
703
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
704
FP_PROG_LD_BUILD_ID
705
FP_PROG_LD_NO_COMPACT_UNWIND
sof's avatar
sof committed
706

707
708
FP_VISIBILITY_HIDDEN

709
710
dnl ** check for librt
AC_CHECK_LIB(rt, clock_gettime)
711
AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
712
FP_CHECK_TIMER_CREATE
713

714
dnl ** check for Apple's "interesting" long double compatibility scheme
715
716
AC_MSG_CHECKING(for printf\$LDBLStub)
AC_TRY_LINK_FUNC(printf\$LDBLStub,
717
718
719
720
721
722
723
724
725
726
727
    [
        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).])
    ])

728
729
730
731
dnl ** check for eventfd which is needed by the I/O manager
AC_CHECK_HEADERS([sys/eventfd.h])
AC_CHECK_FUNCS([eventfd])

732
733
734
735
736
737
738
739
740
741
742
# 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])
743

744
745
746
747
748
749
#Checking for PAPI
AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
AC_SUBST(HavePapiLib)
AC_SUBST(HavePapiHeader)

750
751
AC_CHECK_FUNCS(__mingw_vfprintf)

752
if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
753
754
755
   HavePapi=YES
else
   HavePapi=NO
756
fi
757
AC_SUBST(HavePapi)
758

Simon Marlow's avatar
Simon Marlow committed
759
if test "$HAVE_DOCBOOK_XSL" = "NO" ||
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
   test "$XsltprocCmd" = ""
then
    BUILD_DOCBOOK_HTML=NO
else
    BUILD_DOCBOOK_HTML=YES
fi
AC_SUBST(BUILD_DOCBOOK_HTML)

if test "$DblatexCmd" = ""
then
    BUILD_DOCBOOK_PS=NO
    BUILD_DOCBOOK_PDF=NO
else
    BUILD_DOCBOOK_PS=YES
    BUILD_DOCBOOK_PDF=YES
fi
AC_SUBST(BUILD_DOCBOOK_PS)
AC_SUBST(BUILD_DOCBOOK_PDF)

779
LIBRARY_VERSION(base)
780
LIBRARY_VERSION(Cabal, Cabal/cabal)
781
LIBRARY_VERSION(ghc-prim)
782
783
LIBRARY_ghc_VERSION="$ProjectVersion"
AC_SUBST(LIBRARY_ghc_VERSION)
784

785
786
787
788
if grep '	' compiler/ghc.cabal.in 2>&1 >/dev/null; then
   AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
fi

789
AC_CONFIG_FILES([mk/config.mk mk/install.mk mk/project.mk compiler/ghc.cabal ghc/ghc-bin.cabal utils/runghc/runghc.cabal ghc.spec settings docs/users_guide/ug-book.xml docs/users_guide/ug-ent.xml docs/index.html libraries/prologue.txt distrib/ghc.iss distrib/configure.ac])
790
791
AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
AC_OUTPUT
792
793
794
795
796
797

# We get caught by
#     http://savannah.gnu.org/bugs/index.php?1516
#     $(eval ...) inside conditionals causes errors
# with make 3.80, so warn the user if it looks like they're about to
# try to use it.
798
# We would use "grep -q" here, but Solaris's grep doesn't support it.
799
checkMake380() {
800
    if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
801
802
803
804
805
806
807
808
809
810
811
    then
        echo
        echo "WARNING: It looks like \"$1\" is GNU make 3.80."
        echo "This version cannot be used to build GHC."
        echo "Please use GNU make >= 3.81."
    fi
}

checkMake380 make
checkMake380 gmake

Ian Lynagh's avatar
Ian Lynagh committed
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
echo ["
----------------------------------------------------------------------
Configure completed successfully.

   Building GHC version  : $ProjectVersion

   Build platform        : $BuildPlatform
   Host platform         : $HostPlatform
   Target platform       : $TargetPlatform
"]

if test "$BootingFromHc" = "YES"; then
echo ["\
   Bootstrapping from HC files.
"]
else
echo ["\
   Bootstrapping using   : $WithGhc
      which is version   : $GhcVersion
"]
fi

echo ["\
   Using GCC             : $WhatGccIsCalled
      which is version   : $GccVersion

   ld       : $LdCmd
839
840
   Happy    : $HappyCmd ($HappyVersion)
   Alex     : $AlexCmd ($AlexVersion)
Ian Lynagh's avatar
Ian Lynagh committed
841
   Python   : $PythonCmd
842
843
844
   Perl     : $PerlCmd
   dblatex  : $DblatexCmd
   xsltproc : $XsltprocCmd"]
Ian Lynagh's avatar
Ian Lynagh committed
845
846
847
848
849
850
851
852
853
854
855

if test "$HSCOLOUR" = ""; then
echo ["
   HsColour was not found; documentation will not contain source links
"]
else
echo ["\
   HsColour : $HSCOLOUR
"]
fi

856
857
858
echo ["\
   Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
   Building DocBook PS documentation   : $BUILD_DOCBOOK_PS
859
   Building DocBook PDF documentation  : $BUILD_DOCBOOK_PDF"]
Ian Lynagh's avatar
Ian Lynagh committed
860
861
862
863
864
865
866
867
868
869
870
871
872

echo ["----------------------------------------------------------------------
"]

echo "\
For a standard build of GHC (fully optimised with profiling), type (g)make.

To make changes to the default build configuration, copy the file
mk/build.mk.sample to mk/build.mk, and edit the settings in there.

For more information on how to configure your GHC build, see
   http://hackage.haskell.org/trac/ghc/wiki/Building
"