gforth/configure.in - view

File: [gforth] / gforth / configure.in
Revision 1.92: download - view: text, annotated - select for diffs
Tue Dec 24 14:47:23 2002 UTC (20 years, 3 months ago) by anton
Branches: MAIN
CVS tags: HEAD

some configure.in cleanups.  In particular, I replaced all echos with
  AC_MSG_... macros.
The gcc version (for disabling dynamic code) is now checked in configure (not
  when compiling main.c)
updated elisp-comp install-sh missing mkinstalldirs from autoconf-2.54

1: dnl Process this file with autoconf to produce a configure script. 2: 3: #Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc. 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 9: #as published by the Free Software Foundation; either version 2 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 18: #along with this program; if not, write to the Free Software 19: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. 20: 21: AC_INIT(engine/engine.c) 22: 23: dnl We use some automake macros here, 24: dnl but don't use automake for creating Makefile.in 25: AM_INIT_AUTOMAKE(gforth,0.5.9-20020901) 26: #snapshots have numbers major.minor.release-YYYYMMDD 27: #note that lexicographic ordering must be heeded. 28: #I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1! 29: UPDATED="1 September 2002" 30: AC_SUBST(UPDATED) 31: AM_CONFIG_HEADER(engine/config.h) 32: #AM_CYGWIN32 33: 34: #default setting that may be changed later: 35: no_dynamic_default=0 36: 37: AC_ARG_ENABLE(force-reg, 38: [ --enable-force-reg Use explicit register declarations if they appear in 39: the machine.h file. This can cause a good speedup, 40: but also incorrect code with some gcc versions on 41: some processors (default disabled).], 42: AC_DEFINE(FORCE_REG,,[Define if you want to use explicit register declarations for better performance or for more convenient CODE words (does not work with all GCC versions on all machines)])) 43: 44: AC_ARG_WITH(debug, 45: [ --with-debug specifies option -g to compile with debug info (default) 46: --without-debug omits the -g switch and creates smaller images on 47: machines where "strip" has problems with gcc style 48: debugging informations.], 49: if test "$withval" = "yes"; then DEBUGFLAG=-g; fi) 50: 51: PEEPHOLE="yes" 52: AC_ARG_WITH(peephole, 53: [ --with-peephole Enable peephole optimization (default) 54: --without-peephole disables peephole optimization. Creates smaller, 55: but slower images.], 56: PEEPHOLE="$withval") 57: 58: #currently we force direct threading this way. Eventually we should 59: #setup in the arch and engine files right 60: 61: CFLAGS=$CFLAGS 62: 63: AC_PROG_CC 64: 65: test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher) 66: 67: AC_SUBST(CC) 68: AC_SUBST(DEBUGFLAG) 69: 70: AC_MSG_CHECKING(gcc version) 71: gcc_version=`$CC -v 2>&1|grep 'gcc version'|sed 's/.*gcc version //'` 72: AC_MSG_RESULT($gcc_version) 73: if expr "$gcc_version" \> 3.0.4 >/dev/null && expr "$gcc_version" \< 3.2.1 >/dev/null 74: then 75: no_dynamic_default=1 76: AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) 77: fi 78: 79: dnl the following macro produces a warning with autoconf-2.1 80: AC_CHECK_SIZEOF(char *) 81: case "$ac_cv_sizeof_char_p" in 82: 2) 83: wordsize=16 84: ;; 85: 4) 86: wordsize=32 87: ;; 88: 8) 89: wordsize=64 90: ;; 91: esac 92: 93: AC_CHECK_SIZEOF(char) 94: AC_CHECK_SIZEOF(short) 95: AC_CHECK_SIZEOF(int) 96: AC_CHECK_SIZEOF(long) 97: AC_CHECK_SIZEOF(long long) 98: 99: AC_MSG_CHECKING([for a C type for cells]) 100: ac_cv_int_type_cell=none 101: case "$ac_cv_sizeof_char_p" in 102: $ac_cv_sizeof_int) 103: ac_cv_int_type_cell=int 104: ;; 105: $ac_cv_sizeof_short) 106: ac_cv_int_type_cell=short 107: ;; 108: $ac_cv_sizeof_char) 109: ac_cv_int_type_cell=char 110: ;; 111: $ac_cv_sizeof_long) 112: ac_cv_int_type_cell=long 113: ;; 114: $ac_cv_sizeof_long_long) 115: ac_cv_int_type_cell="long long" 116: ;; 117: esac 118: AC_MSG_RESULT($ac_cv_int_type_cell) 119: AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer]) 120: 121: AC_MSG_CHECKING([for a C type for double-cells]) 122: ac_cv_int_type_double_cell=none 123: case `expr 2 '*' "$ac_cv_sizeof_char_p"` in 124: $ac_cv_sizeof_short) 125: ac_cv_int_type_double_cell=short 126: ;; 127: $ac_cv_sizeof_int) 128: ac_cv_int_type_double_cell=int 129: ;; 130: $ac_cv_sizeof_long) 131: ac_cv_int_type_double_cell=long 132: ;; 133: $ac_cv_sizeof_long_long) 134: ac_cv_int_type_double_cell="long long" 135: ;; 136: esac 137: AC_MSG_RESULT($ac_cv_int_type_double_cell) 138: if test "$ac_cv_int_type_double_cell" = none; then 139: AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.]) 140: AC_LIBOBJ(dblsub) 141: AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine]) 142: else 143: AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer]) 144: fi 145: 146: AC_MSG_CHECKING([whether the linker accepts -export-dynamic]) 147: OLDLDFLAGS=$LDFLAGS 148: LDFLAGS="$LDFLAGS -export-dynamic" 149: dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0 150: dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no) 151: AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,ac_export_dynamic=no) 152: test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS 153: AC_MSG_RESULT($ac_export_dynamic) 154: 155: #terminology is a bit unusual here: The host is the system on which 156: #gforth will run; the system on which configure will run is the `build' 157: AC_CANONICAL_HOST 158: case "$host_cpu" in 159: hppa*) 160: machine=hppa 161: $srcdir/mkinstalldirs arch/hppa 162: AC_LIBOBJ(../arch/hppa/cache) 163: LDFLAGS="$LDFLAGS -Xlinker -N" 164: LIBS="$LIBS -L/lib/pa1.1/" 165: ;; 166: sparc*) 167: machine=sparc 168: ;; 169: i386) 170: machine=386 171: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" 172: ;; 173: i486) 174: machine=386 175: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486" 176: ;; 177: i*86) 178: machine=386 179: CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" 180: CFLAGS_1="$CFLAGS" 181: CFLAGS="$CFLAGS -march=pentium" 182: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486") 183: ;; 184: ia64*) 185: machine=ia64 186: ;; 187: m68k) 188: machine=m68k 189: CFLAGS="$CFLAGS -fomit-frame-pointer" 190: if test "$host_os" = "nextstep3" 191: then 192: AC_LIBOBJ(termios) 193: fi 194: ;; 195: mips*) 196: machine=mips 197: #dynamic native code has the following problems on MIPS: 198: # 199: #1) J/JAL seems relocatable, but is are only 200: #relocatable within a 256MB-segment. While we try to 201: #get the linker to arrange this, there is no guarantee 202: #that this will succeed (and if the user uses a lot of 203: #memory, it is likely to fail). 204: # 205: #2) The way we generate dynamic native code may 206: #violate MIPS architectural restrictions (in 207: #particular, the delay slots of LW, MFLO, etc.) 208: # 209: #Therefore we disable dynamic native code by default: 210: no_dynamic_default=1 211: AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) 212: #link text and data segment into the same 256M region! 213: AC_MSG_CHECKING([whether the linker accepts -T]) 214: OLDLDFLAGS=$LDFLAGS 215: LDFLAGS="$LDFLAGS -Xlinker -T -Xlinker 10000000" 216: AC_TRY_LINK(,,ac_link_mips_t=yes,ac_link_mips_t=no) 217: test $ac_link_mips_t = yes||LDFLAGS=$OLDLDFLAGS 218: AC_MSG_RESULT($ac_link_mips_t) 219: AC_MSG_CHECKING([whether the linker accepts -D]) 220: OLDLDFLAGS=$LDFLAGS 221: LDFLAGS="$LDFLAGS -Xlinker -D -Xlinker 10400000" 222: AC_TRY_LINK(,,ac_link_mips_d=yes,ac_link_mips_d=no) 223: test $ac_link_mips_d = yes||LDFLAGS=$OLDLDFLAGS 224: AC_MSG_RESULT($ac_link_mips_d) 225: ;; 226: alpha*) 227: machine=alpha 228: #full IEEE FP support for more uniformity across platforms: 229: CFLAGS="$CFLAGS -mieee" 230: ;; 231: power*|rs6000) 232: machine=power 233: $srcdir/mkinstalldirs arch/power 234: AC_CHECK_FUNC(_sync_cache_range,true,AC_LIBOBJ(../arch/power/_sync_cache_range)) 235: ;; 236: *) 237: AC_MSG_WARN([Using a generic machine description]) 238: AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)]) 239: AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!]) 240: machine=generic 241: esac 242: AC_SUBST(host) 243: AC_SUBST(ENGINE_FLAGS) 244: 245: # Try if GCC understands -fno-cross-jump 246: 247: CFLAGS_1="$CFLAGS" 248: CFLAGS="$CFLAGS -fno-cross-jump" 249: AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1") 250: 251: AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine) 252: AC_SUBST(asm_fs) 253: 254: AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine) 255: AC_SUBST(disasm_fs) 256: 257: case "$host_os" in 258: *win32) 259: EXE=".exe" 260: DIRSEP="\\" 261: ;; 262: *) 263: EXE="" 264: DIRSEP="/" 265: ;; 266: esac 267: AC_SUBST(EXE) 268: AC_SUBST(DIRSEP) 269: AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character]) 270: 271: dnl Now a little support for DOS/DJGCC 272: AC_SUBST(GFORTH_EXE) 273: GFORTH_EXE="" 274: AC_SUBST(GFORTHFAST_EXE) 275: GFORTHFAST_EXE="" 276: AC_SUBST(GFORTHITC_EXE) 277: GFORTHITC_EXE="" 278: AC_SUBST(GFORTHDITC_EXE) 279: GFORTHDITC_EXE="" 280: 281: PATHSEP=":" 282: AC_SUBST(PATHSEP) 283: AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character]) 284: 285: AC_SUBST(FORTHSIZES) 286: 287: if test "$PEEPHOLE" = "yes" 288: then 289: PEEPHOLEFLAG="true" 290: AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization]) 291: else 292: PEEPHOLEFLAG="false" 293: fi 294: AC_SUBST(PEEPHOLEFLAG) 295: 296: dnl copy commands for systems that don't have links 297: AC_SUBST(LINK_KERNL) 298: LINK_KERNL="" 299: 300: #if test $host_os=dos 301: #then 302: # echo Configuring for DOS!!! 303: # MAKE_EXE="coff2exe gforth" 304: # LINK_KERNL='$(CP) kernl32l.fi kernel.fi' 305: #fi 306: 307: dnl the following macro produces a warning with autoconf-2.1 308: AC_C_BIGENDIAN 309: AC_SUBST(KERNEL) 310: dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1 311: if test $ac_cv_c_bigendian = yes; then 312: bytesex=b 313: KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi" 314: else 315: bytesex=l 316: KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi" 317: fi 318: 319: #check how to do asm(".skip 16") 320: AC_MSG_CHECKING([if and how we can waste code space]) 321: skipcode=no 322: for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16" 323: do 324: AC_TRY_RUN( 325: int foo(int); 326: main() 327: { 328: exit(foo(0)!=16); 329: } 330: int foo(int x) 331: { 332: if (x) { 333: label1: 334: asm("$i"); 335: label2: 336: } 337: return (&&label2)-(&&label1); 338: } 339: ,skipcode=$i; break 340: ,,) 341: done 342: AC_MSG_RESULT($skipcode) 343: if test "$skipcode" = no 344: then 345: no_dynamic_default=1 346: AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes) 347: AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) 348: else 349: AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes) 350: fi 351: 352: AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic) 353: 354: dnl Checks for programs. 355: AC_PROG_LN_S 356: dnl AM_PROG_INSTALL #performed by AM_INIT_AUTOMAKE 357: 358: dnl Checks for library functions 359: dnl This check is just for making later checks link with libm. 360: dnl using sin here is no good idea since it is built-into gcc and typechecked 361: AC_CHECK_LIB(m,asin) 362: AC_CHECK_LIB(dl,dlopen) 363: if test "$host_os" != "nextstep3" 364: then 365: AC_FUNC_MEMCMP 366: fi 367: AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) 368: AC_CHECK_FUNCS(dlopen sys_siglist getrusage) 369: AC_DECL_SYS_SIGLIST 370: AC_CHECK_FUNC(getopt_long,true,AC_LIBOBJ(getopt); AC_LIBOBJ(getopt1)) 371: AC_CHECK_FUNCS(expm1 log1p) 372: AC_REPLACE_FUNCS(rint ecvt) 373: dnl No check for select, because our replacement is no good under 374: dnl anything but DOS 375: AC_CHECK_HEADERS(sys/mman.h fnmatch.h) 376: AC_FUNC_FNMATCH 377: test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch) 378: AC_CHECK_FUNCS(mmap sysconf getpagesize) 379: AM_PATH_LISPDIR 380: 381: kernel_fi=kernl${wordsize}${bytesex}.fi 382: AC_SUBST(kernel_fi) 383: 384: #this breaks bindists 385: #dnl replace srource directory by absolute value 386: #if test $srcdir = "."; then srcdir=`pwd` 387: #fi 388: 389: AC_SUBST(machine) 390: dnl AC_LINK_FILES(arch/$machine,arch/machine) #no longer needed 391: AC_OUTPUT([ 392: Makefile 393: Makedist 394: gforthmi 395: vmgen 396: machpc.fs 397: engine/Makefile 398: doc/version.texi ], 399: echo timestamp > stamp-h 400: chmod +x gforthmi 401: chmod +x vmgen 402: test -d kernel||mkdir kernel) 403: