configure.ac 30.9 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 1994-2012
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], [7.7], [glasgow-haskell-bugs@haskell.org], [ghc])
17

18
# Set this to YES for a released version, otherwise NO
19
: ${RELEASE=NO}
20

21
# The primary version (e.g. 7.5, 7.4.1) is set in the AC_INIT line
22
# above.  If this is not a released version, then we will append the
23
# date to the version number (e.g. 7.4.20111220).  The date is
24
# constructed by finding the date of the most recent patch in the
25
# git repository.  If this is a source distribution (not a git
26
27
28
# 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
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
42
FP_PROG_SORT
43
44

dnl ----------------------------------------------------------
45
46
47
48
FP_SETUP_PROJECT_VERSION

# Hmmm, we fix the RPM release number to 1 here... Is this convenient?
AC_SUBST([release], [1])
49

50
# First off, a distrib sanity check..
51
AC_CONFIG_SRCDIR([mk/config.mk.in])
52

Gabor Greif's avatar
Gabor Greif committed
53
dnl * We require autoconf version 2.60
54
55
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.
Gabor Greif's avatar
Gabor Greif committed
56
57
58
59
dnl Using autoconf 2.59 started to give nonsense like this
dnl  #define SIZEOF_CHAR 0
dnl recently.
AC_PREREQ([2.60])
60

61
62
63
# -------------------------------------------------------------------------
# Prepare to generate the following header files
#
64
65
#
AC_CONFIG_HEADER(mk/config.h)
66

sof's avatar
sof committed
67
# No, semi-sadly, we don't do `--srcdir'...
68
if test x"$srcdir" != 'x.' ; then
69
    echo "This configuration does not support the \`--srcdir' option.."
70
71
72
    exit 1
fi

sof's avatar
sof committed
73
74
75
76
77
78
79
80
81
82
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 --------------------------------------------------------------
83

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

Ian Lynagh's avatar
Ian Lynagh committed
97
98
99
100
101
102
103
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
)

104
105
if test "$WithGhc" != ""; then
  FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
Ian Lynagh's avatar
Ian Lynagh committed
106

107
108
  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
109
110
  fi

111
112
113
114
  AC_SUBST(GhcVersion)dnl
  AC_SUBST(GhcMajVersion)dnl
  AC_SUBST(GhcMinVersion)dnl
  AC_SUBST(GhcPatchLevel)dnl
115
116
  GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
  GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
117

118
119
  BOOTSTRAPPING_GHC_INFO_FIELD([OS_STAGE0],[target os])
  BOOTSTRAPPING_GHC_INFO_FIELD([CC_STAGE0],[C compiler command])
Simon Marlow's avatar
Simon Marlow committed
120
121
122
  dnl ToDo, once "ld command" is reliably available.
  dnl Then, we can remove the LD_STAGE0 hack in mk/build-package-date.mk
  dnl BOOTSTRAPPING_GHC_INFO_FIELD([LD_STAGE0],[ld command])
123
  if test "x$OS_STAGE0" != "xOSDarwin"; then
124
125
126
    BOOTSTRAPPING_GHC_INFO_FIELD([AR_STAGE0],[ar command])
    BOOTSTRAPPING_GHC_INFO_FIELD([AR_OPTS_STAGE0],[ar flags])
    BOOTSTRAPPING_GHC_INFO_FIELD([ArSupportsAtFile_STAGE0],[ar supports at file])
127
128
129
130
131
  else
    AR_STAGE0='$(AR)'
    AR_OPTS_STAGE0='$(AR_OPTS)'
    ArSupportsAtFile_STAGE0='$(ArSupportsAtFile)'
  fi
132
133
fi

134
dnl ** Must have GHC to build GHC
ian@well-typed.com's avatar
ian@well-typed.com committed
135
136
137
138
139
if test "$WithGhc" = ""
then
    AC_MSG_ERROR([GHC is required.])
fi
FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[7.4],
140
    [AC_MSG_ERROR([GHC version 7.4 or later is required to compile GHC.])])dnl
Simon Marlow's avatar
Simon Marlow committed
141

ian@well-typed.com's avatar
ian@well-typed.com committed
142
143
144
145
if test `expr $GhcMinVersion % 2` = "1"
then
    if test "$EnableBootstrapWithDevelSnaphost" = "NO"
    then
Simon Marlow's avatar
Simon Marlow committed
146
147
148
149
150
        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.])
ian@well-typed.com's avatar
ian@well-typed.com committed
151
152
    fi
fi
153

154
155
156
FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[7.5],
                    GHC_PACKAGE_DB_FLAG=package-conf,
                    GHC_PACKAGE_DB_FLAG=package-db)
ian@well-typed.com's avatar
ian@well-typed.com committed
157
AC_SUBST(GHC_PACKAGE_DB_FLAG)
Simon Marlow's avatar
Simon Marlow committed
158

159
160
161
# GHC is passed to Cabal, so we need a native path
if test "${WithGhc}" != ""
then
162
    ghc_host_os=`"${WithGhc}" +RTS --info | grep 'Host OS' | sed -e 's/.*, "//' -e 's/")//'`
163

164
    if test "$ghc_host_os" = "mingw32"
165
166
167
168
169
170
    then
        if test "${OSTYPE}" = "msys"
        then
            WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
        else
            # Canonicalise to <drive>:/path/to/ghc
171
            WithGhc=`cygpath -m "${WithGhc}"`
172
173
174
175
176
177
        fi
        echo "GHC path canonicalised to: ${WithGhc}"
    fi
fi
AC_SUBST([WithGhc])

178
179
180
dnl ** Without optimization some INLINE trickery fails for GHCi
SRC_CC_OPTS="-O"

181
182
183
dnl--------------------------------------------------------------------
dnl * Choose host(/target/build) platform
dnl--------------------------------------------------------------------
184
185
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
186

187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
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

203
FPTOOLS_SET_PLATFORM_VARS
204

205
206
# Verify that the installed (bootstrap) GHC is capable of generating
# code for the requested build platform.
ian@well-typed.com's avatar
ian@well-typed.com committed
207
208
209
210
211
212
213
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
214

215
216
# Testing if we shall enable shared libs support on Solaris.
# Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken.
217

218
SOLARIS_BROKEN_SHLD=NO
219

220
221
222
223
224
225
226
227
228
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
229

230
231
AC_SUBST(SOLARIS_BROKEN_SHLD)

232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
dnl ** Do an unregisterised build?
dnl --------------------------------------------------------------
case "$HostArch" in
    i386|x86_64|powerpc|arm)
        UnregisterisedDefault=NO
        ;;
    *)
        UnregisterisedDefault=YES
        ;;
esac
AC_ARG_ENABLE(unregisterised,
[AC_HELP_STRING([--enable-unregisterised],
[Build an unregisterised compiler (enabled by default on platforms without registerised support) [default="$UnregisterisedDefault"]])],
[ if test x"$enableval" = x"yes"; then
        Unregisterised=YES
  else
        Unregisterised=NO
  fi
],
[Unregisterised="$UnregisterisedDefault"]
)
AC_SUBST(Unregisterised)

255
256
257
258
259
260
261
262
263
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)

264
# This uses GHC, so put it after the "GHC is required" check above:
265
FP_INTREE_GHC_PWD
266
267
268
269
FP_FIND_ROOT

if test "$HostOS" = "mingw32"
then
270
271
    test -d inplace || mkdir inplace

Ian Lynagh's avatar
Ian Lynagh committed
272
    if test "$HostArch" = "i386"
273
    then
274
275
276
277
278
279
280
281
282
283
284
285
286
287
        # NB. If you update the tarballs to a new version of gcc, don't
        # forget to tweak the paths in driver/gcc/gcc.c.
        if ! test -d inplace/mingw ||
             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   ||
             test inplace/mingw -ot ghc-tarballs/mingw/libgcc*.tar.gz      ||
             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     ||
             test inplace/mingw -ot ghc-tarballs/mingw/libstdc*.tar.lzma   ||
             test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dev.tar.gz ||
             test inplace/mingw -ot ghc-tarballs/mingw/mingwrt*-dll.tar.gz ||
             test inplace/mingw -ot ghc-tarballs/mingw/w32api*.tar.lzma
288
        then
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
            AC_MSG_NOTICE([Making in-tree mingw tree])
            rm -rf inplace/mingw
            mkdir inplace/mingw
            (
                cd inplace/mingw &&
                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   &&
                tar --lzma -xf ../../ghc-tarballs/mingw/libgcc*.tar.lzma    &&
                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   &&
                tar --lzma -xf ../../ghc-tarballs/mingw/libstdc*.tar.lzma   &&
                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    &&
                mv bin/gcc.exe bin/realgcc.exe
            )
            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
            AC_MSG_NOTICE([In-tree mingw tree created])
309
        fi
310
311
312
313
    else
        # NB. If you update the tarballs to a new version of gcc, don't
        # forget to tweak the paths in driver/gcc/gcc.c.
        if ! test -d inplace/mingw ||
314
             test inplace/mingw -ot ghc-tarballs/mingw64/*.tar.bz2
315
316
317
318
319
320
        then
            AC_MSG_NOTICE([Making in-tree mingw tree])
            rm -rf inplace/mingw
            mkdir inplace/mingw
            (
                cd inplace/mingw &&
321
                tar -jxf ../../ghc-tarballs/mingw64/*.tar.bz2
322
323
324
            )
            AC_MSG_NOTICE([In-tree mingw tree created])
        fi
325
    fi
326

327
    mingwbin="$hardtop/inplace/mingw/bin/"
328
329
330
    CC="${mingwbin}gcc.exe"
    LD="${mingwbin}ld.exe"
    NM="${mingwbin}nm.exe"
331
    OBJDUMP="${mingwbin}objdump.exe"
Ian Lynagh's avatar
Ian Lynagh committed
332
    fp_prog_ar="${mingwbin}ar.exe"
333

334
335
336
337
338
339
340
341
342
343
344
345
    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/perl
        (
            cd inplace/perl &&
            tar -zxf ../../ghc-tarballs/perl/ghc-perl*.tar.gz
        )
        AC_MSG_NOTICE([In-tree perl tree created])
    fi
346
347
fi

Ian Lynagh's avatar
Ian Lynagh committed
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
# system libffi

AC_ARG_WITH([system-libffi],
[AC_HELP_STRING([--with-system-libffi],
  [Use system provided libffi for RTS [default=no]])
])

AS_IF([test "x$with_system_libffi" = "xyes"],
  [UseSystemLibFFI="YES"], [UseSystemLibFFI="NO"]
)


AC_SUBST(UseSystemLibFFI)

AC_ARG_WITH([ffi-includes],
[AC_HELP_STRING([--with-ffi-includes=ARG]
  [Find includes for libffi in ARG [default=system default]])
],
[
 if test "x$UseSystemLibFFI" != "xYES"; then
    AC_MSG_WARN([--with-ffi-includes will be ignored, --with-system-libffi not set])
 else
    FFIIncludeDir="$withval"
    LIBFFI_CFLAGS="-I $withval" 
 fi
])

AC_SUBST(FFIIncludeDir)

AC_ARG_WITH([ffi-libraries],
[AC_HELP_STRING([--with-ffi-libraries=ARG]
  [Find libffi in ARG [default=system default]])
],
[
 if test "x$UseSystemLibFFI" != "xYES"; then
    AC_MSG_WARN([--with-ffi-libraries will be ignored, --with-system-libffi not set])
 else
    FFILibDir="$withval" LIBFFI_LDFLAGS="-L$withval"
 fi
])

AC_SUBST(FFILibDir)

AS_IF([test "$UseSystemLibFFI" = "YES"], [
 CFLAGS2="$CFLAGS"
 CFLAGS="$LIBFFI_CFLAGS $CFLAGS"
 LDFLAGS2="$LDFLAGS"
 LDFLAGS="$LIBFFI_LDFLAGS $LDFLAGS"
 AC_CHECK_LIB(ffi, ffi_call,
  [AC_CHECK_HEADERS([ffi.h], [break], [])
   AC_DEFINE([HAVE_LIBFFI], [1], [Define to 1 if you have libffi.])],
  [AC_MSG_ERROR([Cannot find system libffi])])
 CFLAGS="$CFLAGS2"
 LDFLAGS="$LDFLAGS2"
])

FP_ICONV
FP_GMP

407
XCODE_VERSION()
Ian Lynagh's avatar
Ian Lynagh committed
408
409
410
411
412
413
414
415
416
417

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 "$XCodeVersion1" -eq 3
418
        then
Ian Lynagh's avatar
Ian Lynagh committed
419
            if test "$XCodeVersion2" -lt 2
420
            then
Ian Lynagh's avatar
Ian Lynagh committed
421
                SplitObjsBroken=YES
422
            fi
423
        fi
424
425
426
427
    fi
fi
AC_SUBST([SplitObjsBroken])

428
429
430
431
dnl ** Building a cross compiler?
dnl --------------------------------------------------------------
CrossCompiling=NO
# If 'host' and 'target' differ, then this means we are building a cross-compiler.
Simon Marlow's avatar
Simon Marlow committed
432
if test "$target" != "$host" ; then
433
434
435
436
437
438
439
440
441
442
    CrossCompiling=YES
    cross_compiling=yes   # This tells configure that it can accept just 'target',
                          # otherwise you get
                          #   configure: error: cannot run C compiled programs.
                          #   If you meant to cross compile, use `--host'.
fi
if test "$build" != "$host" ; then
   AC_MSG_ERROR([
You've selected:

Simon Marlow's avatar
Simon Marlow committed
443
444
445
  BUILD:  $build   (the architecture we're building on)
  HOST:   $host    (the architecture the compiler we're building will execute on)
  TARGET: $target  (the architecture the compiler we're building will produce code for)
446

Simon Marlow's avatar
Simon Marlow committed
447
448
449
450
BUILD must equal HOST; that is, we do not support building GHC itself
with a cross-compiler.  To cross-compile GHC itself, set TARGET: stage
1 will be a cross-compiler, and stage 2 will be the cross-compiled
GHC.
451
452
])
fi
453
454
if test "$CrossCompiling" = "YES"
then
455
456
457
458
459
  CrossCompilePrefix="${target}-"
else
  CrossCompilePrefix=""
fi
TargetPlatformFull="${target}"
Simon Marlow's avatar
Simon Marlow committed
460
AC_SUBST(CrossCompiling)
461
462
463
AC_SUBST(CrossCompilePrefix)
AC_SUBST(TargetPlatformFull)

464
465
dnl ** Which gcc to use?
dnl --------------------------------------------------------------
466
467
468
FIND_GCC([WhatGccIsCalled], [gcc], [gcc])
CC="$WhatGccIsCalled"
export CC
469
470
471

dnl ** Which ld to use?
dnl --------------------------------------------------------------
472
FP_ARG_WITH_PATH_GNU_PROG([LD], [ld], [ld])
473
474
475
476
477
LdCmd="$LD"
AC_SUBST([LdCmd])

dnl ** Which nm to use?
dnl --------------------------------------------------------------
478
FP_ARG_WITH_PATH_GNU_PROG([NM], [nm], [nm])
479
480
481
NmCmd="$NM"
AC_SUBST([NmCmd])

482
483
484
485
486
487
488
489
490
491
# Note: we may not have objdump on OS X, and we only need it on Windows (for DLL checks)
case $HostOS_CPP in
cygwin32|mingw32)
    dnl ** Which objdump to use?
    dnl --------------------------------------------------------------
    FP_ARG_WITH_PATH_GNU_PROG([OBJDUMP], [objdump], [objdump])
    ObjdumpCmd="$OBJDUMP"
    AC_SUBST([ObjdumpCmd])
    ;;
esac
492

493
494
dnl ** Which LLVM llc to use?
dnl --------------------------------------------------------------
495
FIND_LLVM_PROG([LLC], [llc], [llc])
496
497
498
499
500
LlcCmd="$LLC"
AC_SUBST([LlcCmd])

dnl ** Which LLVM opt to use?
dnl --------------------------------------------------------------
501
FIND_LLVM_PROG([OPT], [opt], [opt])
502
503
504
OptCmd="$OPT"
AC_SUBST([OptCmd])

sof's avatar
sof committed
505
506
507
508
509
510
511
512
dnl --------------------------------------------------------------
dnl End of configure script option section
dnl --------------------------------------------------------------


dnl --------------------------------------------------------------
dnl * General configuration checks
dnl --------------------------------------------------------------
sof's avatar
sof committed
513

514
515
516
dnl ** Can the unix package be built?
dnl --------------------------------------------------------------

517
518
519
if test "$TargetOS" = "mingw32"
then
    GhcLibsWithUnix=NO
520
else
521
    GhcLibsWithUnix=YES
522
523
524
fi
AC_SUBST([GhcLibsWithUnix])

525
526
dnl ** does #! work?
AC_SYS_INTERPRETER()
sof's avatar
sof committed
527

Ian Lynagh's avatar
Ian Lynagh committed
528
dnl ** look for `perl'
rrt's avatar
rrt committed
529
530
case $HostOS_CPP in
cygwin32|mingw32)
Ian Lynagh's avatar
Ian Lynagh committed
531
532
    PerlCmd=$hardtop/inplace/perl/perl
    ;;
rrt's avatar
rrt committed
533
*)
Ian Lynagh's avatar
Ian Lynagh committed
534
535
536
537
538
539
540
541
542
543
    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
544
esac
sof's avatar
sof committed
545

rrt's avatar
rrt committed
546
547
dnl ** look for GCC and find out which version
dnl     Figure out which C compiler to use.  Gcc is preferred.
Gabor Greif's avatar
Gabor Greif committed
548
dnl     If gcc, make sure it's at least 3.0
rrt's avatar
rrt committed
549
dnl
550
FP_GCC_VERSION
551

552
553
554
555
dnl ** look to see if we have a C compiler using an llvm back end.
dnl
FP_CC_LLVM_BACKEND

556
557
FP_PROG_LD_HashSize31
FP_PROG_LD_ReduceMemoryOverheads
558
559
560
FP_PROG_LD_IS_GNU
FP_PROG_LD_BUILD_ID
FP_PROG_LD_NO_COMPACT_UNWIND
561
FP_PROG_LD_FILELIST
562

563

564
565
566
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])
567
# Stage 3 won't be supported by cross-compilation
568
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
569

570
FP_GCC_EXTRA_FLAGS
rrt's avatar
rrt committed
571
572
573

dnl ** figure out how to invoke cpp directly (gcc -E is no good)
AC_PROG_CPP
574

575
576
577
AC_SUBST(CONF_CC_OPTS_STAGE0)
AC_SUBST(CONF_CC_OPTS_STAGE1)
AC_SUBST(CONF_CC_OPTS_STAGE2)
578
579
580
581
582
583
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)
584
585
586
AC_SUBST(CONF_CPP_OPTS_STAGE0)
AC_SUBST(CONF_CPP_OPTS_STAGE1)
AC_SUBST(CONF_CPP_OPTS_STAGE2)
rrt's avatar
rrt committed
587

588
589
590
591
592
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

593
dnl ** figure out how to do context diffs
594
FP_PROG_CONTEXT_DIFF
sof's avatar
sof committed
595

596
597
598
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
599
600
dnl ** figure out how to do a BSD-ish install
AC_PROG_INSTALL
sof's avatar
sof committed
601

reid's avatar
reid committed
602
dnl If you can run configure, you certainly have /bin/sh
603
AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
reid's avatar
reid committed
604

sof's avatar
sof committed
605
dnl ** how to invoke `ar' and `ranlib'
606
FP_PROG_AR_SUPPORTS_ATFILE
607
FP_PROG_AR_NEEDS_RANLIB
sof's avatar
sof committed
608

609
dnl ** Check to see whether ln -s works
sof's avatar
sof committed
610
611
AC_PROG_LN_S

612
FP_SETTINGS
sof's avatar
sof committed
613
614

dnl ** Find the path to sed
Ian Lynagh's avatar
Ian Lynagh committed
615
AC_PATH_PROGS(SedCmd,gsed sed,sed)
sof's avatar
sof committed
616

sof's avatar
sof committed
617
618

dnl ** check for time command
sof's avatar
sof committed
619
620
AC_PATH_PROG(TimeCmd,time)

sof's avatar
sof committed
621
622
dnl ** check for tar
dnl   if GNU tar is named gtar, look for it first.
623
AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
sof's avatar
sof committed
624

Ian Lynagh's avatar
Ian Lynagh committed
625
626
627
628
dnl ** check for patch
dnl if GNU patch is named gpatch, look for it first
AC_PATH_PROGS(PatchCmd,gpatch patch, patch)

629
630
631
632
dnl ** check for dtrace (currently only implemented for Mac OS X)
HaveDtrace=NO
AC_PATH_PROG(DtraceCmd,dtrace)
if test -n "$DtraceCmd"; then
633
  if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" = "xsolaris2-unknown"; then
634
635
636
637
638
    HaveDtrace=YES
  fi
fi
AC_SUBST(HaveDtrace)

639
AC_PATH_PROG(HSCOLOUR,HsColour)
640
# HsColour is passed to Cabal, so we need a native path
641
642
643
if test "$HostOS"      = "mingw32" && \
   test "${OSTYPE}"   != "msys"    && \
   test "${HSCOLOUR}" != ""
644
645
646
then
    # Canonicalise to <drive>:/path/to/gcc
    HSCOLOUR=`cygpath -m ${HSCOLOUR}`
647
fi
648

649
650
dnl ** check for DocBook toolchain
FP_CHECK_DOCBOOK_DTD
651
FP_DOCBOOK_XSL
652
653
FP_PROG_DBLATEX

reid's avatar
reid committed
654
dnl ** check for ghc-pkg command
655
FP_PROG_GHC_PKG
reid's avatar
reid committed
656

sof's avatar
sof committed
657
dnl ** check for installed happy binary + version
sof's avatar
sof committed
658
FPTOOLS_HAPPY
sof's avatar
sof committed
659

660
661
662
dnl ** check for installed alex binary + version
FPTOOLS_ALEX

sof's avatar
sof committed
663
664
665
dnl --------------------------------------------------
dnl ### program checking section ends here ###
dnl --------------------------------------------------
sof's avatar
sof committed
666

sof's avatar
sof committed
667
668
669
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
670

671
672
dnl ** check for full ANSI header (.h) files
AC_HEADER_STDC
sof's avatar
sof committed
673

674
675
676
677
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

678
dnl ** check for specific header (.h) files that we are interested in
679
680
681
682
683
684
685
686
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/param.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])

dnl sys/cpuset.h needs sys/param.h to be included first on FreeBSD 9.1; #7708
AC_CHECK_HEADERS([sys/cpuset.h], [], [],
[[#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
]])
687

688
689
dnl ** check if it is safe to include both <time.h> and <sys/time.h>
AC_HEADER_TIME
sof's avatar
sof committed
690

691
dnl ** do we have long longs?
692
AC_CHECK_TYPES([long long])
693

reid's avatar
reid committed
694
dnl ** what are the sizes of various types
695
AC_CHECK_SIZEOF(char,               1)
696
697
AC_CHECK_SIZEOF(double,             8)
AC_CHECK_SIZEOF(float,              4)
698
699
AC_CHECK_SIZEOF(int,                4)
AC_CHECK_SIZEOF(long,               4)
700
if test "$ac_cv_type_long_long" = yes; then
701
AC_CHECK_SIZEOF(long long,          8)
702
703
704
705
706
fi
AC_CHECK_SIZEOF(short,              2)
AC_CHECK_SIZEOF(unsigned char,      1)
AC_CHECK_SIZEOF(unsigned int,       4)
AC_CHECK_SIZEOF(unsigned long,      4)
707
if test "$ac_cv_type_long_long" = yes; then
708
709
AC_CHECK_SIZEOF(unsigned long long, 8)
fi
710
AC_CHECK_SIZEOF(unsigned short,     2)
711
AC_CHECK_SIZEOF(void *,             4)
reid's avatar
reid committed
712

713
714
715
716
dnl for use in settings.in
WordSize=$ac_cv_sizeof_void_p
AC_SUBST(WordSize)

reid's avatar
reid committed
717
dnl ** what are alignment constraints on various types
718
719
720
721
722
723
724
FP_CHECK_ALIGNMENT(char)
FP_CHECK_ALIGNMENT(double)
FP_CHECK_ALIGNMENT(float)
FP_CHECK_ALIGNMENT(int)
FP_CHECK_ALIGNMENT(long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(long long)
725
fi
726
727
728
729
730
731
FP_CHECK_ALIGNMENT(short)
FP_CHECK_ALIGNMENT(unsigned char)
FP_CHECK_ALIGNMENT(unsigned int)
FP_CHECK_ALIGNMENT(unsigned long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_ALIGNMENT(unsigned long long)
732
fi
733
734
FP_CHECK_ALIGNMENT(unsigned short)
FP_CHECK_ALIGNMENT(void *)
reid's avatar
reid committed
735

736
737
FP_CHECK_FUNC([WinExec],
  [@%:@include <windows.h>], [WinExec("",0)])
reid's avatar
reid committed
738

739
740
FP_CHECK_FUNC([GetModuleFileName],
  [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
reid's avatar
reid committed
741
742
743
744
745

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,
746
dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
reid's avatar
reid committed
747
748
749
750
751
dnl #include <signal.h>
dnl #ifdef signal
dnl #undef signal
dnl #endif
dnl void (*signal (int, void (*)(int)))(int);
752
753
754
755
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
756
757
758
759
760
761
762
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
763
  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
764
765
766
fi

dnl ** check for more functions
767
dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
768
AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity setlocale])
769

rl@cse.unsw.edu.au's avatar
rl@cse.unsw.edu.au committed
770
771
772
773
774
775
776
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>])

777
778
779
780
781
dnl ** check for mingwex library
AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
AC_SUBST(HaveLibMingwEx)

if test $HaveLibMingwEx = YES ; then
782
  AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
783
784
fi

sebc's avatar
sebc committed
785
dnl ** check for math library
786
787
788
789
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)
790
791
792
793
794
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
795

796
797
dnl ** check whether this machine has BFD and libiberty installed (used for debugging)
dnl    the order of these tests matters: bfd needs libiberty
798
AC_CHECK_LIB(iberty, xmalloc)
799
AC_CHECK_LIB(bfd,    bfd_uncompress_section_contents)
800

reid's avatar
reid committed
801
802
803
804
dnl ################################################################
dnl Check for libraries
dnl ################################################################

ross's avatar
ross committed
805
dnl ** check whether we need -ldl to get dlopen()
806

Ian Lynagh's avatar
Ian Lynagh committed
807
AC_CHECK_LIB(dl, dlopen,
808
809
    [HaveLibDL=YES
     AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
Ian Lynagh's avatar
Ian Lynagh committed
810
     LIBS="$LIBS -ldl"],
811
812
813
    [HaveLibDL=NO])
AC_SUBST(HaveLibDL)

814
dnl --------------------------------------------------
sof's avatar
sof committed
815
816
817
dnl * Miscellaneous feature tests
dnl --------------------------------------------------

sof's avatar
sof committed
818
dnl ** can we get alloca?
819
AC_FUNC_ALLOCA
sof's avatar
sof committed
820

821
dnl ** working vfork?
822
AC_FUNC_FORK
823

824
825
dnl ** determine whether or not const works
AC_C_CONST
sof's avatar
sof committed
826

827
828
dnl ** are we big endian?
AC_C_BIGENDIAN
829
FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
sof's avatar
sof committed
830

831
dnl ** check for leading underscores in symbol names
832
FP_LEADING_UNDERSCORE
833

834
835
FP_VISIBILITY_HIDDEN

836
837
dnl ** check for librt
AC_CHECK_LIB(rt, clock_gettime)
838
AC_CHECK_FUNCS(clock_gettime timer_settime)
839
FP_CHECK_TIMER_CREATE
840

841
dnl ** check for Apple's "interesting" long double compatibility scheme
842
843
AC_MSG_CHECKING(for printf\$LDBLStub)
AC_TRY_LINK_FUNC(printf\$LDBLStub,
844
845
846
847
848
849
850
851
852
853
854
    [
        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).])
    ])

855
856
857
858
dnl ** check for eventfd which is needed by the I/O manager
AC_CHECK_HEADERS([sys/eventfd.h])
AC_CHECK_FUNCS([eventfd])

859
# checking for PAPI
860
861
862
863
864
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)

865
866
AC_CHECK_FUNCS(__mingw_vfprintf)

867
if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
868
869
870
   HavePapi=YES
else
   HavePapi=NO
871
fi
872
AC_SUBST(HavePapi)
873

Simon Marlow's avatar
Simon Marlow committed
874
if test "$HAVE_DOCBOOK_XSL" = "NO" ||
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
   test "$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)

894
LIBRARY_VERSION(base)
895
LIBRARY_VERSION(Cabal, Cabal/Cabal)
896
LIBRARY_VERSION(ghc-prim)
897
898
LIBRARY_ghc_VERSION="$ProjectVersion"
AC_SUBST(LIBRARY_ghc_VERSION)
899

900
901
902
903
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

904
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])
905
906
AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
AC_OUTPUT
907

908
# We got caught by
909
910
911
912
#     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.
913
# We would use "grep -q" here, but Solaris's grep doesn't support it.
914
checkMake380() {
915
    if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
916
917
918
919
920
921
922
923
924
925
926
    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
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
echo ["
----------------------------------------------------------------------
Configure completed successfully.

   Building GHC version  : $ProjectVersion

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

echo ["\
   Bootstrapping using   : $WithGhc
      which is version   : $GhcVersion
"]

943
944
945
946
947
948
if test "x$CC_LLVM_BACKEND" = "x1"; then
    if test "x$CC_CLANG_BACKEND" = "x1"; then
        CompilerName="clang        "
    else
        CompilerName="llvm-gcc     "
    fi
949
else
950
    CompilerName="gcc          "
951
952
fi

Ian Lynagh's avatar
Ian Lynagh committed
953
echo ["\
954
   Using $CompilerName       : $WhatGccIsCalled
955
      which is version       : $GccVersion
Simon Marlow's avatar
Simon Marlow committed
956
   Building a cross compiler : $CrossCompiling
Ian Lynagh's avatar
Ian Lynagh committed
957
958

   ld       : $LdCmd
959
960
961
962
   Happy    : $HappyCmd ($HappyVersion)
   Alex     : $AlexCmd ($AlexVersion)
   Perl     : $PerlCmd
   dblatex  : $DblatexCmd
963
964
965
966
967
   xsltproc : $XsltprocCmd

   Using LLVM tools
      llc   : $LlcCmd
      opt   : $OptCmd"]
Ian Lynagh's avatar
Ian Lynagh committed
968
969
970
971
972
973
974
975
976
977
978

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

979
980
981
echo ["\
   Building DocBook HTML documentation : $BUILD_DOCBOOK_HTML
   Building DocBook PS documentation   : $BUILD_DOCBOOK_PS
982
   Building DocBook PDF documentation  : $BUILD_DOCBOOK_PDF"]
Ian Lynagh's avatar
Ian Lynagh committed
983
984
985
986
987
988
989
990
991
992
993
994
995

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
"