Annotation of gforth/configure.in, revision 1.290
1.1 anton 1: dnl Process this file with autoconf to produce a configure script.
1.20 anton 2:
1.287 anton 3: #Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc.
1.20 anton 4:
5: #This file is part of Gforth.
6:
7: #Gforth is free software; you can redistribute it and/or
8: #modify it under the terms of the GNU General Public License
1.201 anton 9: #as published by the Free Software Foundation, either version 3
1.20 anton 10: #of the License, or (at your option) any later version.
11:
12: #This program is distributed in the hope that it will be useful,
13: #but WITHOUT ANY WARRANTY; without even the implied warranty of
14: #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.#See the
15: #GNU General Public License for more details.
16:
17: #You should have received a copy of the GNU General Public License
1.201 anton 18: #along with this program. If not, see http://www.gnu.org/licenses/.
1.20 anton 19:
1.121 anton 20:
1.34 anton 21: dnl We use some automake macros here,
22: dnl but don't use automake for creating Makefile.in
1.285 pazsan 23: AC_INIT([gforth],[0.7.9-20101227],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
1.113 anton 24: AC_PREREQ(2.54)
1.47 anton 25: #snapshots have numbers major.minor.release-YYYYMMDD
1.92 anton 26: #note that lexicographic ordering must be heeded.
1.47 anton 27: #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1!
1.285 pazsan 28: UPDATED="December 27, 2010"
1.84 anton 29: AC_SUBST(UPDATED)
1.94 anton 30: AC_CONFIG_HEADERS(engine/config.h)
1.14 anton 31:
1.225 anton 32: #remnants from having ltdl as convenience library
33: LTDLDEPS=""
34: LTDLINCL=""
35: LIBLTDL=""
36: LTDL_LDLIBS=""
37: AC_SUBST(LTDLDEPS)
38: AC_SUBST(LTDLINCL)
39: AC_SUBST(LIBLTDL)
1.219 anton 40: AC_SUBST(LTDL_LDLIBS)
41:
1.121 anton 42: #suppress the "-g -O2" default
43: test "$CFLAGS" || CFLAGS=-O2
44:
1.150 pazsan 45: AC_ARG_ENABLE(force-cdiv,
46: AC_HELP_STRING([--enable-force-cdiv],
47: [ Use the native C division - symmetric - instead of
48: floored division (default disabled).]),
49: ,enable_force_cdiv=no)
50: test "$enable_force_cdiv" = "no"||
51: AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance])
52:
1.149 anton 53: AC_SUBST(PROFEXES)
54: AC_SUBST(PROFOBJS)
1.135 anton 55: AC_ARG_ENABLE(prof,
1.149 anton 56: AC_HELP_STRING([--enable-prof],
57: [ Build gforth-prof, which outputs frequently occuring
58: sequences of primitives.]),
59: ,enable_prof=no)
1.204 anton 60: if test "$enable_prof" != "no"; then
61: PROFEXES='gforth-prof$(OPT)$(EXE)'; PROFOBJS='engine-prof$(OPT).o main-prof$(OPT).o profile$(OPT).o'
1.149 anton 62: fi
1.1 anton 63:
1.9 pazsan 64: AC_ARG_WITH(debug,
1.122 pazsan 65: [ --with-debug specifies option -g to compile with debug info
66: --without-debug omits the -g switch and creates smaller images on
67: machines where "strip" has problems with gcc style
68: debugging informations.],
1.9 pazsan 69: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
1.122 pazsan 70:
1.185 pazsan 71: GCC_LD="\$(GCC)"
72: EC_MODE="false"
1.275 pazsan 73: NO_EC=""
1.185 pazsan 74: EC=""
1.204 anton 75: engine2='engine2$(OPT).o'
76: engine_fast2='engine-fast2$(OPT).o'
1.185 pazsan 77: no_dynamic=""
78: image_i=""
79: signals_o="io.o signals.o"
80:
1.275 pazsan 81: AC_CANONICAL_HOST
1.182 pazsan 82: AC_ARG_WITH(ec,
83: AC_HELP_STRING([--with-ec=<arch>],
1.168 pazsan 84: [ Build gforth for systems without OS.]),
1.182 pazsan 85: [if test "$withval" = "no"; then
86: echo "defining hosted system"
87: else
88: echo "defining standalone system (${withval})"
1.168 pazsan 89: AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
1.167 pazsan 90: EC_MODE="true"
1.178 pazsan 91: EC="-ec"
1.275 pazsan 92: NO_EC="#"
1.178 pazsan 93: engine2=""
94: engine_fast2=""
95: no_dynamic="-DNO_DYNAMIC"
96: image_i="image.i"
1.182 pazsan 97: if test "$withval" != "yes"; then
98: signals_o="io-${withval}.o"
99: else
100: signals_o="io.o"
101: fi
1.275 pazsan 102: if test -f "arch/$host_cpu/${withval}/config.sh"; then
103: source "arch/$host_cpu/${withval}/config.sh"
104: fi
1.183 pazsan 105: GCC_PATH=$(which $CC)
106: LIB_PATH=${GCC_PATH%/*/*}
107: GCC_LD="\$(LD)"
1.184 pazsan 108: platform=${withval}
1.182 pazsan 109: fi])
1.167 pazsan 110:
1.290 ! pazsan 111: AC_ARG_WITH(cross,
! 112: AC_HELP_STRING([--with-cross=<arch>],
! 113: [ Build gforth using a cross compiler.]),
! 114: [if test "$withval" = "no"; then
! 115: echo "defining hosted system"
! 116: else
! 117: echo "defining cross compiled system (${withval})"
! 118: if test -f "arch/$host_cpu/${withval}/config.sh"; then
! 119: source "arch/$host_cpu/${withval}/config.sh"
! 120: fi
! 121: GCC_PATH=$(which $CC)
! 122: LIB_PATH=${GCC_PATH%/*/*}
! 123: GCC_LD="\$(LD)"
! 124: platform=${withval}
! 125: fi])
! 126:
1.104 anton 127: #variables mentioned in INSTALL
1.203 anton 128: AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])
1.104 anton 129: AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
1.203 anton 130: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
1.151 anton 131: AC_ARG_VAR(STACK_CACHE_DEFAULT_FAST, [number of registers in the default stack cache state for gforth-fast and gforth-native (default 1).])
1.173 anton 132: AC_ARG_VAR(GCC_PR15242_WORKAROUND, [Force the enabling (1) or disabling (0) of a workaround for a gcc-3.x performance bug (default unset: use workaround for gcc-3.x)])
1.236 anton 133: AC_ARG_VAR(LIBCC_BUILD_SRC, [(Additional) libcc interface source files that should be processed on building and installation (default none)])
1.173 anton 134:
1.104 anton 135: AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
1.183 pazsan 136: AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
1.104 anton 137: AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
138: AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
139: AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
140: AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
141: AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
142: AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
1.254 anton 143: AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
144: AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
1.123 anton 145: AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
146: AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
1.190 anton 147: AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
1.166 anton 148: AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
1.174 anton 149: AC_ARG_VAR(asmcomment, [assembler comment start string])
1.175 anton 150: AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
1.250 anton 151: AC_ARG_VAR(LTDL_LIBRARY_PATH, [additional directories for libltdl (for some 64-bit platforms)])
1.82 anton 152:
1.96 anton 153: #set up feature test macros, so the tests get them right:
154: # turn on all POSIX, SUSv3, and GNU features if available
1.97 anton 155: AC_GNU_SOURCE
156: dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
157:
158: dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular
159: dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
160: dnl but not for _XOPEN_SOURCE)
161: dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
162: dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
163: dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
1.96 anton 164: # turn on large file support with 64-bit off_t where available
1.105 anton 165: AC_SYS_LARGEFILE
166: dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
167: dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
1.96 anton 168:
1.82 anton 169: #currently we force direct threading this way. Eventually we should
170: #setup in the arch and engine files right
1.16 anton 171:
1.15 pazsan 172: AC_PROG_CC
173:
1.92 anton 174: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
1.9 pazsan 175:
1.190 anton 176: AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
177: test x$condbranch_opt = x &&
1.238 anton 178: if ($CC -v 2>&1 |grep 'gcc version 3' >/dev/null); then
1.190 anton 179: condbranch_opt=0
180: else
181: condbranch_opt=1
182: fi
183: AC_MSG_RESULT($condbranch_opt)
184: AC_SUBST(condbranch_opt)
185:
1.15 pazsan 186: AC_SUBST(CC)
1.183 pazsan 187: AC_SUBST(GCC_LD)
1.9 pazsan 188: AC_SUBST(DEBUGFLAG)
1.178 pazsan 189: AC_SUBST(EC)
1.275 pazsan 190: AC_SUBST(NO_EC)
1.167 pazsan 191: AC_SUBST(EC_MODE)
1.178 pazsan 192: AC_SUBST(engine2)
193: AC_SUBST(engine_fast2)
194: AC_SUBST(no_dynamic)
195: AC_SUBST(image_i)
1.179 pazsan 196: AC_SUBST(signals_o)
1.7 anton 197:
1.174 anton 198: #this is used to disable some (not generally essential) part of the
199: #Makefile that some makes don't grok. It would be better to test for
200: #this specific Makefile feature than the make version.
1.128 pazsan 201: AC_MSG_CHECKING(make type)
1.174 anton 202: make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
1.128 pazsan 203: GNUMAKE='#'
204: test "$make_type" = "GNU Make" && GNUMAKE=''
205: AC_MSG_RESULT($make_type)
206: AC_SUBST(GNUMAKE)
207:
1.50 jwilke 208: AC_MSG_CHECKING([whether the linker accepts -export-dynamic])
209: OLDLDFLAGS=$LDFLAGS
210: LDFLAGS="$LDFLAGS -export-dynamic"
1.69 anton 211: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0
212: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no)
213: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no)
1.50 jwilke 214: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS
215: AC_MSG_RESULT($ac_export_dynamic)
216:
1.1 anton 217: #terminology is a bit unusual here: The host is the system on which
218: #gforth will run; the system on which configure will run is the `build'
219: case "$host_cpu" in
1.136 anton 220: arm*)
221: machine=arm
222: CFLAGS="$CFLAGS -fomit-frame-pointer"
1.184 pazsan 223: if test x$platform = xnxt; then
1.183 pazsan 224: CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
225: fi
1.175 anton 226: if test -z $arm_cacheflush; then
1.212 dvdkhlng 227: case "$host_os" in
228: *linux*)
1.260 anton 229: AC_LIBOBJ(../arch/arm/cacheflush-linux)
1.212 dvdkhlng 230: ;;
231: *)
232: no_dynamic_default=1
1.260 anton 233: AC_LIBOBJ(../arch/arm/cacheflush0)
1.212 dvdkhlng 234: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
235: ;;
236: esac
1.260 anton 237: else
238: AC_LIBOBJ(../$arm_cacheflush)
239: test $srcdir = . || AC_MSG_WARN([setting arm_cacheflush requires building in the source directory])
1.136 anton 240: fi
1.177 anton 241: #longer skipcodes lead to problems on ARM, and it uses
242: #only 4-byte alignment anyway
243: test "$skipcode" || skipcode="nop"
1.136 anton 244: ;;
1.1 anton 245: hppa*)
1.34 anton 246: machine=hppa
1.87 pazsan 247: AC_LIBOBJ(../arch/hppa/cache)
1.134 anton 248: #-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
249: LDFLAGS="$LDFLAGS -Xlinker -N"
1.47 anton 250: LIBS="$LIBS -L/lib/pa1.1/"
1.1 anton 251: ;;
252: sparc*)
1.34 anton 253: machine=sparc
1.1 anton 254: ;;
1.31 anton 255: i386)
1.34 anton 256: machine=386
1.189 anton 257: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.31 anton 258: ;;
259: i486)
1.34 anton 260: machine=386
1.282 dvdkhlng 261: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
262: CFLAGS_1="$CFLAGS"
263: CFLAGS="$CFLAGS -march=i486"
264: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
265: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
1.31 anton 266: ;;
1.77 anton 267: i*86)
1.34 anton 268: machine=386
1.189 anton 269: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
1.56 pazsan 270: CFLAGS_1="$CFLAGS"
1.282 dvdkhlng 271: CFLAGS="$CFLAGS -march=pentium -mtune=generic"
272: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -march=pentium")
1.56 pazsan 273: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486")
1.282 dvdkhlng 274: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1")
1.1 anton 275: ;;
1.133 anton 276: x86_64)
1.192 pazsan 277: case $CC
278: in
279: *-m32*)
280: machine=386
281: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
282: CFLAGS_1="$CFLAGS"
283: CFLAGS="$CFLAGS -march=athlon64"
284: ;;
285: *)
286: machine=amd64
287: ;;
288: esac
1.133 anton 289: ;;
1.136 anton 290: ia64*)
291: machine=ia64
292: AC_LIBOBJ(../arch/ia64/flush_icache_block)
293: test "$skipcode" || skipcode="nop.i 0"
294: #".skip 16" passes the test below,
295: # but gives an assembler error in engine
296: ;;
1.26 pazsan 297: m68k)
1.34 anton 298: machine=m68k
1.32 pazsan 299: CFLAGS="$CFLAGS -fomit-frame-pointer"
300: if test "$host_os" = "nextstep3"
301: then
1.87 pazsan 302: AC_LIBOBJ(termios)
1.32 pazsan 303: fi
1.26 pazsan 304: ;;
1.1 anton 305: mips*)
1.34 anton 306: machine=mips
1.281 dvdkhlng 307: AC_LIBOBJ(../arch/mips/check_prim)
1.92 anton 308: #dynamic native code has the following problems on MIPS:
309: #
310: #1) J/JAL seems relocatable, but is are only
311: #relocatable within a 256MB-segment. While we try to
312: #get the linker to arrange this, there is no guarantee
313: #that this will succeed (and if the user uses a lot of
314: #memory, it is likely to fail).
315: #
316: #2) The way we generate dynamic native code may
317: #violate MIPS architectural restrictions (in
318: #particular, the delay slots of LW, MFLO, etc.)
319: #
320: #Therefore we disable dynamic native code by default:
1.255 anton 321: if test -z "$no_dynamic_default"; then
1.136 anton 322: no_dynamic_default=1
323: AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
324: fi
1.1 anton 325: ;;
1.9 pazsan 326: alpha*)
1.34 anton 327: machine=alpha
1.58 anton 328: #full IEEE FP support for more uniformity across platforms:
329: CFLAGS="$CFLAGS -mieee"
1.9 pazsan 330: ;;
1.69 anton 331: power*|rs6000)
1.34 anton 332: machine=power
1.138 anton 333: AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)])
1.103 anton 334: #long long is broken on (at least) gcc-2.95.* for PPC
1.165 anton 335: test x$ac_cv_sizeof_long_long = x &&
1.238 anton 336: ($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
1.263 anton 337: ac_cv_sizeof_long_long=0
1.203 anton 338: #The only architecture with enough callee-saved registers
339: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
340: #or use 2, hardly slower at run-time and starts up faster
1.263 anton 341:
342: #the skipcode that is normally selected below does not
343: #work with gcc-3.[34]
344: test "$skipcode" || skipcode="nop\nnop\nnop\nnop"
1.31 anton 345: ;;
1.1 anton 346: *)
1.92 anton 347: AC_MSG_WARN([Using a generic machine description])
348: AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
349: AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
1.34 anton 350: machine=generic
1.97 anton 351: #I-cache flushing would be needed for dynamic code generation
1.136 anton 352: if test -z $no_dynamic_default; then
353: no_dynamic_default=1
354: AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
355: fi
1.1 anton 356: esac
1.10 anton 357: AC_SUBST(host)
1.151 anton 358:
1.184 pazsan 359: MAKEINC=""
1.276 pazsan 360: GFORTH_EXE="true"
1.184 pazsan 361:
362: echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
1.183 pazsan 363: if test x$EC_MODE = xtrue
364: then
1.184 pazsan 365: echo "Check for arch/$machine/$platform/gforth.ld"
366: if test -f arch/$machine/$platform/gforth.ld
1.183 pazsan 367: then
1.184 pazsan 368: LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
369: if test x$platform = xnxt; then
1.183 pazsan 370: LIBS="$LIB_PATH/lib/gcc/arm-elf/$($CC --version | grep GCC | cut -d' ' -f3)/interwork/libgcc.a $LIB_PATH/arm-elf/lib/interwork/libc.a $LIBS"
371: fi
372: fi
1.184 pazsan 373: if test -f arch/$machine/$platform/make.inc
374: then
375: MAKEINC="include ../arch/$machine/$platform/make.inc"
1.276 pazsan 376: GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe"
1.184 pazsan 377: fi
1.183 pazsan 378: fi
1.184 pazsan 379: AC_SUBST(MAKEINC)
1.183 pazsan 380:
1.203 anton 381: AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
382:
383: test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
384: AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
385: [number of registers in the maximum stack cache state for gforth-fast and gforth-native])
1.151 anton 386: test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
387: AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
388: [number of registers in the default stack cache state for gforth-fast and gforth-native])
1.146 pazsan 389:
1.173 anton 390: test x$GCC_PR15242_WORKAROUND = x ||
391: AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
392: [force (1) or forbid (0) use of a workaround for a gcc performance bug])
393:
1.103 anton 394: dnl the following macro produces a warning with autoconf-2.1
395: AC_CHECK_SIZEOF(char *)
396: case "$ac_cv_sizeof_char_p" in
397: 2)
398: wordsize=16
399: ;;
400: 4)
401: wordsize=32
402: ;;
403: 8)
404: wordsize=64
405: ;;
406: esac
407:
1.183 pazsan 408: AC_CHECK_SIZEOF(void *)
409: case "$ac_cv_sizeof_void_p" in
410: 2)
411: vwordsize=16
412: ;;
413: 4)
414: vwordsize=32
415: ;;
416: 8)
417: vwordsize=64
418: ;;
419: esac
420:
1.103 anton 421: AC_CHECK_SIZEOF(char)
422: AC_CHECK_SIZEOF(short)
423: AC_CHECK_SIZEOF(int)
424: AC_CHECK_SIZEOF(long)
425: AC_CHECK_SIZEOF(long long)
426: AC_CHECK_SIZEOF(intptr_t)
427: AC_CHECK_SIZEOF(int128_t)
1.144 pazsan 428: AC_CHECK_SIZEOF(uint128_t)
1.103 anton 429:
430: AC_MSG_CHECKING([for a C type for cells])
431: ac_cv_int_type_cell=none
432: case "$ac_cv_sizeof_char_p" in
433: $ac_cv_sizeof_int)
434: ac_cv_int_type_cell=int
435: ;;
436: $ac_cv_sizeof_short)
437: ac_cv_int_type_cell=short
438: ;;
439: $ac_cv_sizeof_char)
440: ac_cv_int_type_cell=char
441: ;;
442: $ac_cv_sizeof_long)
443: ac_cv_int_type_cell=long
444: ;;
445: $ac_cv_sizeof_long_long)
446: ac_cv_int_type_cell="long long"
447: ;;
448: $ac_cv_sizeof_intptr_t)
449: ac_cv_int_type_cell="intptr_t"
450: ;;
451: esac
452: AC_MSG_RESULT($ac_cv_int_type_cell)
453: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
454:
1.153 pazsan 455: AC_MSG_CHECKING([for a C type for wydes])
456: ac_cv_wyde_type_cell=none
457: case 2 in
458: $ac_cv_sizeof_int)
459: ac_cv_wyde_type_cell=int
460: ;;
461: $ac_cv_sizeof_short)
462: ac_cv_wyde_type_cell=short
463: ;;
464: $ac_cv_sizeof_char)
465: ac_cv_wyde_type_cell=char
466: ;;
467: $ac_cv_sizeof_long)
468: ac_cv_wyde_type_cell=long
469: ;;
470: $ac_cv_sizeof_long_long)
471: ac_cv_wyde_type_cell="long long"
472: ;;
473: $ac_cv_sizeof_intptr_t)
474: ac_cv_wyde_type_cell="intptr_t"
475: ;;
476: esac
477: AC_MSG_RESULT($ac_cv_wyde_type_cell)
478: AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
479:
480: AC_MSG_CHECKING([for a C type for tetrabytes])
481: ac_cv_tetrabyte_type_cell=none
482: case 4 in
483: $ac_cv_sizeof_int)
484: ac_cv_tetrabyte_type_cell=int
485: ;;
486: $ac_cv_sizeof_short)
487: ac_cv_tetrabyte_type_cell=short
488: ;;
489: $ac_cv_sizeof_char)
490: ac_cv_tetrabyte_type_cell=char
491: ;;
492: $ac_cv_sizeof_long)
493: ac_cv_tetrabyte_type_cell=long
494: ;;
495: $ac_cv_sizeof_long_long)
496: ac_cv_tetrabyte_type_cell="long long"
497: ;;
498: $ac_cv_sizeof_intptr_t)
499: ac_cv_tetrabyte_type_cell="intptr_t"
500: ;;
501: esac
502: AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
503: AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
504:
1.277 pazsan 505: AC_MSG_CHECKING([for a C type for octabytes])
506: ac_cv_octabyte_type_cell=none
507: case 8 in
508: $ac_cv_sizeof_int)
509: ac_cv_octabyte_type_cell=int
510: ;;
511: $ac_cv_sizeof_short)
512: ac_cv_octabyte_type_cell=short
513: ;;
514: $ac_cv_sizeof_char)
515: ac_cv_octabyte_type_cell=char
516: ;;
517: $ac_cv_sizeof_long)
518: ac_cv_octabyte_type_cell=long
519: ;;
520: $ac_cv_sizeof_long_long)
521: ac_cv_octabyte_type_cell="long long"
522: ;;
523: $ac_cv_sizeof_intptr_t)
524: ac_cv_octabyte_type_cell="intptr_t"
525: ;;
526: esac
527: AC_MSG_RESULT($ac_cv_octabyte_type_cell)
528: AC_DEFINE_UNQUOTED(OCTABYTE_TYPE,$ac_cv_octabyte_type_cell,[an integer type that is 8 bytes long])
529:
1.103 anton 530: AC_MSG_CHECKING([for a C type for double-cells])
531: ac_cv_int_type_double_cell=none
532: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
533: $ac_cv_sizeof_short)
534: ac_cv_int_type_double_cell=short
535: ;;
536: $ac_cv_sizeof_int)
537: ac_cv_int_type_double_cell=int
538: ;;
539: $ac_cv_sizeof_long)
540: ac_cv_int_type_double_cell=long
541: ;;
542: $ac_cv_sizeof_long_long)
543: ac_cv_int_type_double_cell="long long"
544: ;;
545: $ac_cv_sizeof_intptr_t)
546: ac_cv_int_type_double_cell="intptr_t"
547: ;;
1.205 anton 548: $ac_cv_sizeof_int128_t)
1.103 anton 549: ac_cv_int_type_double_cell="int128_t"
550: ;;
551: esac
552: AC_MSG_RESULT($ac_cv_int_type_double_cell)
1.144 pazsan 553:
554: AC_MSG_CHECKING([for a C type for unsigned double-cells])
555: ac_cv_int_type_double_ucell=none
556: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
557: $ac_cv_sizeof_short)
558: ac_cv_int_type_double_ucell="unsigned short"
559: ;;
560: $ac_cv_sizeof_int)
561: ac_cv_int_type_double_ucell="unsigned int"
562: ;;
563: $ac_cv_sizeof_long)
564: ac_cv_int_type_double_ucell="unsigned long"
565: ;;
566: $ac_cv_sizeof_long_long)
567: ac_cv_int_type_double_ucell="unsigned long long"
568: ;;
569: $ac_cv_sizeof_intptr_t)
570: ac_cv_int_type_double_ucell="unsigned intptr_t"
571: ;;
572: $ac_cv_sizeof_uint128_t)
573: ac_cv_int_type_double_ucell="uint128_t"
574: ;;
575: esac
576: AC_MSG_RESULT($ac_cv_int_type_double_ucell)
577:
1.204 anton 578: if test "$ac_cv_int_type_double_cell" != none && \
579: test "$ac_cv_int_type_double_ucell" != none
1.144 pazsan 580: then
1.103 anton 581: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer])
1.144 pazsan 582: AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer])
1.206 anton 583: OPTS=-ll
584: else
1.217 pazsan 585: if test "$ac_cv_sizeof_char_p" = 8; then
1.213 anton 586: OPTS="-ll -noll"
1.206 anton 587: else
588: OPTS=-noll
589: fi
1.103 anton 590: fi
1.207 anton 591:
1.258 anton 592: if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
1.227 pazsan 593: OPTS2=''
594: for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
595: OPTS="$OPTS2 $OPTS"
1.223 anton 596: else
597: AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
1.207 anton 598: fi
1.206 anton 599: AC_SUBST(OPTS)
1.103 anton 600:
601: AC_TYPE_OFF_T
602: AC_CHECK_SIZEOF(off_t)
603: test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
604: ac_small_off_t=$?
605: AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
1.1 anton 606:
1.109 anton 607: ENGINE_FLAGS=
608: AC_SUBST(ENGINE_FLAGS)
609:
610: # Try if GCC understands -fno-gcse
611:
612: AC_MSG_CHECKING([if $CC understands -fno-gcse])
613: CFLAGS_1="$CFLAGS"
614: CFLAGS="$CFLAGS -fno-gcse"
615: AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no)
616: CFLAGS="$CFLAGS_1"
617: AC_MSG_RESULT($ac_nogcse)
618:
619: # Try if GCC understands -fno-strict-aliasing
620: AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing])
621: CFLAGS_1="$CFLAGS"
622: CFLAGS="$CFLAGS -fno-strict-aliasing"
623: AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no)
624: CFLAGS="$CFLAGS_1"
625: AC_MSG_RESULT($ac_nostrictaliasing)
626:
1.123 anton 627: # Try if GCC understands -fno-crossjumping
628: AC_MSG_CHECKING([if $CC understands -fno-crossjumping])
1.88 pazsan 629: CFLAGS_1="$CFLAGS"
1.123 anton 630: CFLAGS="$CFLAGS -fno-crossjumping"
1.125 anton 631: AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no)
1.109 anton 632: CFLAGS="$CFLAGS_1"
1.124 pazsan 633: AC_MSG_RESULT($ac_nocrossjumping)
1.88 pazsan 634:
1.137 pazsan 635: # Try if GCC understands -fno-reorder-blocks
636: AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks])
637: CFLAGS_1="$CFLAGS"
638: CFLAGS="$CFLAGS -fno-reorder-blocks"
639: AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no)
640: CFLAGS="$CFLAGS_1"
641: AC_MSG_RESULT($ac_noreorder_blocks)
642:
1.189 anton 643: # Try if GCC understands -falign-labels=1
644: AC_MSG_CHECKING([if $CC understands -falign-labels=1])
645: CFLAGS_1="$CFLAGS"
646: CFLAGS="$CFLAGS -falign-labels=1"
1.194 anton 647: AC_TRY_COMPILE(,,ac_align_labels=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-labels=1",ac_align_labels=no)
1.189 anton 648: CFLAGS="$CFLAGS_1"
649: AC_MSG_RESULT($ac_align_labels)
650:
1.193 anton 651: # Try if GCC understands -falign-loops=1
652: AC_MSG_CHECKING([if $CC understands -falign-loops=1])
653: CFLAGS_1="$CFLAGS"
654: CFLAGS="$CFLAGS -falign-loops=1"
1.194 anton 655: AC_TRY_COMPILE(,,ac_align_loops=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-loops=1",ac_align_loops=no)
1.193 anton 656: CFLAGS="$CFLAGS_1"
657: AC_MSG_RESULT($ac_align_loops)
658:
659: # Try if GCC understands -falign-jumps=1
660: AC_MSG_CHECKING([if $CC understands -falign-jumps=1])
661: CFLAGS_1="$CFLAGS"
662: CFLAGS="$CFLAGS -falign-jumps=1"
1.194 anton 663: AC_TRY_COMPILE(,,ac_align_jumps=yes;ENGINE_FLAGS="$ENGINE_FLAGS -falign-jumps=1",ac_align_jumps=no)
1.193 anton 664: CFLAGS="$CFLAGS_1"
665: AC_MSG_RESULT($ac_align_jumps)
666:
1.271 anton 667: if test -z "$LIBTOOL_CC"
668: then
669: LIBTOOL_CC="$CC"
670: # Try if GCC understands -Wimplicit-function-declaration
671: AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration])
672: CFLAGS_1="$CFLAGS"
673: CFLAGS="$CFLAGS -Wimplicit-function-declaration"
674: AC_TRY_COMPILE(,,LIBTOOL_CC="$CC -Wimplicit-function-declaration",)
675: CFLAGS="$CFLAGS_1"
676: AC_MSG_RESULT($ac_align_jumps)
677: fi
678: AC_SUBST(LIBTOOL_CC)
679:
680:
681:
1.130 anton 682: # Try if GCC understands __attribute__((unused))
683: AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
684: AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',)
685: AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables])
686: AC_MSG_RESULT($MAYBE_UNUSED)
687:
1.289 anton 688: # Try if GCC understands __thread
689: AC_MSG_CHECKING([whether gcc understands '__thread'])
690: AC_TRY_COMPILE(,[extern __thread int foo;],PER_THREAD='__thread',)
691: AC_DEFINE_UNQUOTED(PER_THREAD,$PER_THREAD,[storage class for thread-local variables])
692: AC_MSG_RESULT($PER_THREAD)
693:
1.195 anton 694: #try if m4 understands -s
695: AC_MSG_CHECKING([how to invoke m4])
1.196 anton 696: if m4 -s /dev/null >/dev/null 2>&1; then
1.195 anton 697: M4="m4 -s"
698: else
699: M4=m4
700: fi
701: AC_SUBST(M4)
702: AC_MSG_RESULT($M4)
703:
1.202 pazsan 704: # Find installed Gforth
705: AC_MSG_CHECKING([for gforth])
1.215 anton 706: GFORTH="`cd / && which gforth 2>/dev/null`"
1.257 anton 707: #the "$srcdir" = "." test defends agains the "../" bug in gforth-0.6.2
708: (cd / && $GFORTH -e bye >/dev/null 2>/dev/null && test "$srcdir" = ".") || GFORTH=""
1.215 anton 709: if test -z "$GFORTH"; then
1.223 anton 710: PREFORTH='echo "You need to configure with a gforth in \$PATH to build this part" && false'
1.233 anton 711: kernel_anti_dependence=''
1.215 anton 712: else
1.239 anton 713: PREFORTH="$GFORTH -i `cd / && $GFORTH --debug -e bye 2>&1 |grep "Opened image file: "|sed 's/Opened image file: //'`" ;
1.233 anton 714: kernel_anti_dependence='$(kernel_fi)'
1.215 anton 715: fi
716: AC_SUBST(PREFORTH)
1.233 anton 717: AC_SUBST(kernel_anti_dependence)
1.215 anton 718: AC_MSG_RESULT($PREFORTH)
1.202 pazsan 719:
1.215 anton 720: #echo "machine='$machine'"
1.191 anton 721:
722: dnl AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
1.275 pazsan 723: if test x$EC_MODE = xfalse
724: then
1.278 dvdkhlng 725: AS_IF([test -f $srcdir/arch/$machine/asm.fs],
726: [asm_fs=arch/$machine/asm.fs])
1.275 pazsan 727: fi
1.61 anton 728: AC_SUBST(asm_fs)
729:
1.191 anton 730: dnl AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
1.275 pazsan 731: if test x$EC_MODE = xfalse
732: then
1.278 dvdkhlng 733: AS_IF([test -f $srcdir/arch/$machine/disasm.fs],
734: [disasm_fs=arch/$machine/disasm.fs])
1.275 pazsan 735: fi
1.61 anton 736: AC_SUBST(disasm_fs)
737:
1.116 anton 738: AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
1.114 anton 739:
1.39 pazsan 740: case "$host_os" in
1.157 pazsan 741: *win32*)
742: # !!!FIXME!!! problems with cygwin and ';' as path separator
1.108 anton 743: DIRSEP="\\\\"
1.127 anton 744: PATHSEP=";"
1.142 anton 745: #we want the builtins of command.com/cmd.exe and its
746: # handling of .com files.
747: #$COMSPEC contains the name of the Windows shell;
748: # the ./ is there, because the bash does not recognize
749: # absolute DOS filenames
750: DEFAULTSYSTEMPREFIX="./$COMSPEC /c "
1.39 pazsan 751: ;;
1.97 anton 752: *darwin*)
753: #Darwin uses some funny preprocessor by default; eliminate it:
1.127 anton 754: AC_MSG_NOTICE([using -no-cpp-precomp on Darwin])
1.120 anton 755: CFLAGS="$CFLAGS -no-cpp-precomp"
1.98 anton 756: DIRSEP="/"
1.127 anton 757: PATHSEP=":"
1.141 anton 758: DEFAULTSYSTEMPREFIX=""
1.243 anton 759: #the following magic value was suggested by
760: #http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
761: AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.3",[an environment variable value needed by libtool on some MacOS X versions])
1.98 anton 762: ;;
1.246 pazsan 763: *linux*)
764: DIRSEP="/"
765: PATHSEP=":"
766: DEFAULTSYSTEMPREFIX=""
1.250 anton 767: if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
1.253 pazsan 768: LTDL_LIBRARY_PATH=`/sbin/ldconfig -p |tail -n +2 |sed 's/^.* => //'|sed 's|/[[^/]]*$||'| grep 64 | sort -u | tr '\n' : | sed -e 's/:$//'`
1.246 pazsan 769: fi
770: ;;
1.39 pazsan 771: *)
1.88 pazsan 772: DIRSEP="/"
1.127 anton 773: PATHSEP=":"
1.141 anton 774: DEFAULTSYSTEMPREFIX=""
1.39 pazsan 775: ;;
776: esac
1.88 pazsan 777: AC_SUBST(DIRSEP)
1.89 pazsan 778: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character])
1.127 anton 779: AC_SUBST(PATHSEP)
780: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character])
1.141 anton 781: AC_SUBST(DEFAULTSYSTEMPREFIX)
782: AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX])
1.250 anton 783: if test -n "$LTDL_LIBRARY_PATH"; then
784: AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
785: fi
1.39 pazsan 786:
1.170 anton 787: #work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
1.172 anton 788: #This magic incantation seems to be completely undocumented.
789: AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
1.170 anton 790:
1.1 anton 791: dnl Now a little support for DOS/DJGCC
1.276 pazsan 792: GFORTHFAST_EXE="$GFORTH_EXE"
793: GFORTHITC_EXE="$GFORTH_EXE"
794: GFORTHDITC_EXE="$GFORTH_EXE"
1.30 pazsan 795: AC_SUBST(GFORTH_EXE)
1.48 anton 796: AC_SUBST(GFORTHFAST_EXE)
1.83 anton 797: AC_SUBST(GFORTHITC_EXE)
1.30 pazsan 798: AC_SUBST(GFORTHDITC_EXE)
1.27 anton 799:
800: AC_SUBST(FORTHSIZES)
1.24 anton 801:
1.104 anton 802: dnl if test "$PEEPHOLE" = "yes"
803: dnl then
804: dnl PEEPHOLEFLAG="true"
805: dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization])
806: dnl else
807: dnl PEEPHOLEFLAG="false"
808: dnl fi
809: PEEPHOLEFLAG="true"
1.79 pazsan 810: AC_SUBST(PEEPHOLEFLAG)
811:
1.1 anton 812: dnl copy commands for systems that don't have links
1.29 pazsan 813: AC_SUBST(LINK_KERNL)
814: LINK_KERNL=""
1.1 anton 815:
816: #if test $host_os=dos
817: #then
818: # echo Configuring for DOS!!!
819: # MAKE_EXE="coff2exe gforth"
1.29 pazsan 820: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi'
1.1 anton 821: #fi
822:
823: dnl the following macro produces a warning with autoconf-2.1
824: AC_C_BIGENDIAN
1.23 pazsan 825: AC_SUBST(KERNEL)
1.1 anton 826: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1
1.256 pazsan 827: if test $ac_cv_c_bigendian != no; then
1.1 anton 828: bytesex=b
1.23 pazsan 829: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi"
1.1 anton 830: else
831: bytesex=l
1.23 pazsan 832: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi"
1.1 anton 833: fi
834:
1.91 anton 835: #check how to do asm(".skip 16")
1.169 anton 836: #echo "CFLAGS=$CFLAGS"
837: #echo "ac_link=$ac_link"
1.92 anton 838: AC_MSG_CHECKING([if and how we can waste code space])
1.279 dvdkhlng 839: if test -z "$skipcode" && test x$cross_compiling = xyes; then
840: # we cannot perform the AC_TRY_RUN check when cross-compiling.
841: skipcode=no
842: AC_MSG_RESULT([$skipcode, can't run checks since cross-compiling])
843: elif test -z "$skipcode"; then
1.148 anton 844: skipcode=no
845: CFLAGS_1="$CFLAGS"
846: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.136 anton 847: for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16"
848: do
1.91 anton 849: AC_TRY_RUN(
1.136 anton 850: [int foo(int,int,int);
1.91 anton 851: main()
852: {
1.136 anton 853: exit(foo(0,0,0)!=16);
1.91 anton 854: }
1.136 anton 855: int foo(int x, int y, int z)
1.91 anton 856: {
1.136 anton 857: static void *labels[]={&&label1, &&label2};
1.91 anton 858: if (x) {
1.136 anton 859: y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */
1.91 anton 860: label1:
1.148 anton 861: asm("$i"); /* or ".space 16" or somesuch */
1.136 anton 862: label2: ;
863: }
864: {
865: if (y) goto *labels[z]; /* workaround for gcc PR12108 */
866: return labels[1]-labels[0];
1.91 anton 867: }
1.136 anton 868: }]
1.92 anton 869: ,skipcode=$i; break
870: ,,)
1.136 anton 871: done
1.148 anton 872: CFLAGS=$CFLAGS_1
1.136 anton 873: fi
1.92 anton 874: AC_MSG_RESULT($skipcode)
875: if test "$skipcode" = no
876: then
1.136 anton 877: if test -z $no_dynamic_default; then
878: no_dynamic_default=1
879: AC_MSG_WARN(Disabling default dynamic native code generation)
880: fi
1.280 dvdkhlng 881: AC_DEFINE_UNQUOTED(SKIP16,asm(""),statement for skipping 16 bytes)
1.92 anton 882: else
883: AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes)
884: fi
1.91 anton 885:
1.174 anton 886: AC_MSG_CHECKING([if and how we can do comments in asm statements])
887: #the point here is to get asm statements that look different to
888: #gcc's "optimizer"
889: if test -z "$asmcomment"; then
890: asmcomment=no
891: CFLAGS_1="$CFLAGS"
892: CFLAGS="$CFLAGS $ENGINE_FLAGS"
1.176 anton 893: for i in '"# "' '"! "' '"; "'; do
1.174 anton 894: AC_TRY_COMPILE(,[asm($i"fluffystunk");],asmcomment=$i; break,)
895: done
896: CFLAGS=$CFLAGS_1
897: fi
898: AC_MSG_RESULT($asmcomment)
899: if test "$asmcomment" != no
900: then
901: AC_DEFINE_UNQUOTED(ASMCOMMENT,$asmcomment,[assembler comment start string])
902: fi
903:
1.136 anton 904: test "$no_dynamic_default" || no_dynamic_default=0
1.92 anton 905: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic)
1.91 anton 906:
1.1 anton 907: dnl Checks for programs.
908: AC_PROG_LN_S
1.95 anton 909: AC_PROG_INSTALL
1.163 pazsan 910: AC_CHECK_PROGS(TEXI2DVI,texi2dvi4a2ps texi2dvi)
1.1 anton 911:
1.288 anton 912: dnl check for the presence of Emacs
913: AC_CHECK_PROGS(EMACS,emacs xemacs)
914: test -n "$EMACS" && gforth_elc=gforth.elc
915: AC_SUBST(gforth_elc)
916:
1.198 anton 917: dnl MacOS X has a libtool that does something else
1.264 pazsan 918: AC_CHECK_PROGS(GNU_LIBTOOL,"glibtool --tag=CC" libtool)
1.198 anton 919:
1.269 anton 920: dnl Checks for library functions
921: dnl This check is just for making later checks link with libm.
922: dnl using sin here is no good idea since it is built-into gcc and typechecked
923: AC_CHECK_LIB(m,asin)
924: AC_CHECK_LIB(ltdl,lt_dlinit)
925:
926: if test -n "$GNU_LIBTOOL" -a $ac_cv_lib_ltdl_lt_dlinit = yes; then
1.258 anton 927: build_libcc_named=build-libcc-named
928: else
929: build_libcc_named=""
1.274 anton 930: AC_MSG_WARN([No GNU_LIBTOOL found, skip pre-building libcc-based libraries])
1.258 anton 931: fi
932: AC_SUBST(build_libcc_named)
933:
1.274 anton 934:
935: if test -z "$GNU_LIBTOOL"; then
936: AC_MSG_WARN([No GNU_LIBTOOL found, using "libtool" as name.])
937: AC_MSG_WARN([libcc.fs won't work until you have installed (GNU) libtool.])
938: GNU_LIBTOOL=libtool
939: fi
940:
1.235 anton 941: #check for libffi 2.x
1.237 anton 942: AC_CHECK_HEADER(ffi.h,FFI_H_NAME=ffi.h,)
943: if test -z "$FFI_H_NAME"; then
944: AC_CHECK_HEADER(ffi/ffi.h,FFI_H_NAME=ffi/ffi.h,)
945: fi
946: AC_SUBST(FFI_H_NAME)
1.286 pazsan 947: AC_CHECK_LIB(ffi,ffi_call,LIBS="$LIBS")
1.241 anton 948: if test -n "$FFI_H_NAME" -a $ac_cv_lib_ffi_ffi_call = yes
1.235 anton 949: then
950: LIBFFIFLAG="true"
1.236 anton 951: LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC libffi.fs"
1.235 anton 952: else
953: LIBFFIFLAG="false"
954: fi
955: #check for ffcall libraries
956: #unfortunately, these four calls are separated out into a library each.
1.286 pazsan 957: AC_CHECK_LIB(avcall,__builtin_avcall,LIBS="$LIBS")
1.234 pazsan 958: dnl AC_CHECK_LIB(callback,__vacall_r)
959: dnl AC_CHECK_LIB(vacall,vacall)
960: dnl AC_CHECK_LIB(trampoline,alloc_trampoline)
1.235 anton 961: if test $ac_cv_lib_avcall___builtin_avcall = yes; then
962: FFCALLFLAG="true"
1.236 anton 963: LIBCC_BUILD_SRC="$LIBCC_BUILD_SRC fflib.fs"
1.235 anton 964: else
965: FFCALLFLAG="false"
966: fi
967: if test $LIBFFIFLAG = false -a $FFCALLFLAG = false; then
968: AC_MSG_WARN([The (old) lib.fs foreign function interface needs either libffi or the ffcall libraries])
969: fi
970: AC_SUBST(LIBFFIFLAG)
971: AC_SUBST(FFCALLFLAG)
1.236 anton 972: AC_SUBST(LIBCC_BUILD_SRC)
1.32 pazsan 973: if test "$host_os" != "nextstep3"
974: then
975: AC_FUNC_MEMCMP
976: fi
1.25 pazsan 977: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh)
1.97 anton 978: AC_FUNC_FSEEKO
1.186 anton 979: AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage nanosleep)
1.111 anton 980: AC_CHECK_TYPES(stack_t,,,[#include <signal.h>])
1.19 anton 981: AC_DECL_SYS_SIGLIST
1.138 anton 982: AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)])
1.90 anton 983: AC_CHECK_FUNCS(expm1 log1p)
984: AC_REPLACE_FUNCS(rint ecvt)
1.1 anton 985: dnl No check for select, because our replacement is no good under
986: dnl anything but DOS
1.277 pazsan 987: AC_CHECK_HEADERS(sys/mman.h fnmatch.h alloca.h wchar.h endian.h)
1.63 anton 988: AC_FUNC_FNMATCH
1.87 pazsan 989: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch)
1.255 anton 990: AC_CHECK_FUNCS(mmap sysconf getpagesize wcwidth)
1.34 anton 991: AM_PATH_LISPDIR
1.1 anton 992:
1.183 pazsan 993: kernel_fi=kernl${vwordsize}${bytesex}.fi
1.178 pazsan 994: include_fi=kernl${wordsize}${bytesex}${EC}.fi
1.23 pazsan 995: AC_SUBST(kernel_fi)
1.178 pazsan 996: AC_SUBST(include_fi)
1.50 jwilke 997:
1.76 anton 998: #this breaks bindists
999: #dnl replace srource directory by absolute value
1000: #if test $srcdir = "."; then srcdir=`pwd`
1001: #fi
1.8 anton 1002:
1.34 anton 1003: AC_SUBST(machine)
1.95 anton 1004: AC_CONFIG_FILES([
1.31 anton 1005: Makefile
1.45 pazsan 1006: Makedist
1.43 anton 1007: gforthmi
1.80 anton 1008: vmgen
1.79 pazsan 1009: machpc.fs
1.159 pazsan 1010: envos.fs
1.223 anton 1011: preforth
1.35 anton 1012: engine/Makefile
1.188 anton 1013: engine/libcc.h
1.161 pazsan 1014: doc/version.texi
1015: build-ec ])
1.95 anton 1016: AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h
1.43 anton 1017: chmod +x gforthmi
1.80 anton 1018: chmod +x vmgen
1.162 pazsan 1019: chmod +x build-ec
1.223 anton 1020: chmod +x preforth
1.188 anton 1021: test -d kernel||mkdir kernel
1.258 anton 1022: if test $srcdir != "."; then ln -sf $srcdir/gforth.el .; fi
1.188 anton 1023: $srcdir/mkinstalldirs include/gforth/$PACKAGE_VERSION
1.262 anton 1024: $srcdir/mkinstalldirs arch/$machine
1025: ln -sf ../../../engine/config.h ../../../engine/libcc.h include/gforth/$PACKAGE_VERSION]],
1026: [PACKAGE_VERSION=$PACKAGE_VERSION
1027: machine=$machine])
1.95 anton 1028: AC_OUTPUT
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