support/shobj-conf

   1 #! /bin/sh
   2 #
   3 # shobj-conf -- output a series of variable assignments to be substituted
   4 #               into a Makefile by configure which specify system-dependent
   5 #               information for creating shared objects that may be loaded
   6 #               into bash with `enable -f'
   7 #
   8 # usage: shobj-conf [-C compiler] -c host_cpu -o host_os -v host_vendor
   9 #
  10 # Chet Ramey
  11 # chet@po.cwru.edu
  12
  13 #
  14 # defaults
  15 #
  16 SHOBJ_STATUS=supported
  17 SHLIB_STATUS=supported
  18
  19 SHOBJ_CC=cc
  20 SHOBJ_CFLAGS=
  21 SHOBJ_LD=
  22 SHOBJ_LDFLAGS=
  23 SHOBJ_XLDFLAGS=
  24 SHOBJ_LIBS=
  25
  26 SHLIB_XLDFLAGS=
  27 SHLIB_LIBS=
  28 SHLIB_LIBSUFF='so'
  29
  30 SHLIB_LIBVERSION='$(SHLIB_LIBSUFF)'
  31
  32 PROGNAME=`basename $0`
  33 USAGE="$PROGNAME [-C compiler] -c host_cpu -o host_os -v host_vendor"
  34
  35 while [ $# -gt 0 ]; do
  36         case "$1" in
  37         -C)     shift; SHOBJ_CC="$1"; shift ;;
  38         -c)     shift; host_cpu="$1"; shift ;;
  39         -o)     shift; host_os="$1"; shift ;;
  40         -v)     shift; host_vendor="$1"; shift ;;
  41         *)      echo "$USAGE" >&2 ; exit 2;;
  42         esac
  43 done
  44
  45 case "${host_os}-${SHOBJ_CC}" in
  46 sunos4*-*gcc*)
  47         SHOBJ_CFLAGS=-fpic
  48         SHOBJ_LD=/usr/bin/ld
  49         SHOBJ_LDFLAGS='-assert pure-text'
  50
  51         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
  52         ;;
  53
  54 sunos4*)
  55         SHOBJ_CFLAGS=-pic
  56         SHOBJ_LD=/usr/bin/ld
  57         SHOBJ_LDFLAGS='-assert pure-text'
  58
  59         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
  60         ;;
  61
  62 sunos5*-*gcc*|solaris2*-*gcc*)
  63         SHOBJ_CFLAGS=-fpic
  64         SHOBJ_LD='${CC}'
  65         SHOBJ_LDFLAGS='-shared -Wl,-i -Wl,-h,$@'
  66
  67 #       SHLIB_XLDFLAGS='-R $(libdir)'
  68         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
  69         ;;
  70
  71 sunos5*|solaris2*)
  72         SHOBJ_CFLAGS='-K pic'
  73         SHOBJ_LD=/usr/ccs/bin/ld
  74         SHOBJ_LDFLAGS='-G -dy -z text -i -h $@'
  75
  76 #       SHLIB_XLDFLAGS='-R $(libdir)'
  77         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
  78         ;;
  79
  80 freebsd2* | netbsd* | openbsd*)
  81         SHOBJ_CFLAGS=-fpic
  82         SHOBJ_LD=ld
  83         SHOBJ_LDFLAGS='-x -Bshareable'
  84
  85         SHLIB_XLDFLAGS='-R$(libdir)'
  86         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
  87         ;;
  88
  89 # FreeBSD-3.x can have either a.out or ELF object files
  90 #freebsd3*)
  91 #       SHOBJ_CFLAGS=-fpic
  92 #       SHOBJ_LD='${CC}'
  93 #       SHOBJ_LDFLAGS='-shared'
  94 #
  95 #       SHLIB_XLDFLAGS='-R$(libdir)'
  96 #       SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
  97 #       ;;
  98
  99 # FreeBSD-3.x ELF
 100 freebsd[3-9]*|freebsdelf[3-9]*|freebsdaout[3-9]*)
 101         SHOBJ_CFLAGS=-fpic
 102         SHOBJ_LD='${CC}'
 103
 104         if [ -x /usr/bin/objformat ] && [ "`/usr/bin/objformat`" = "elf" ]; then
 105                 SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
 106
 107                 SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir)'
 108                 SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 109         else
 110                 SHOBJ_LDFLAGS='-shared'
 111
 112                 SHLIB_XLDFLAGS='-R$(libdir)'
 113                 SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
 114         fi
 115         ;;
 116 # All versions of Linux or the semi-mythical GNU Hurd.
 117 linux*|gnu*)
 118         SHOBJ_CFLAGS=-fPIC
 119         SHOBJ_LD='${CC}'
 120         SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
 121
 122         SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir) -Wl,-soname,`basename $@ $(SHLIB_MINOR)`'
 123         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
 124         ;;
 125
 126 bsdi2*)
 127         SHOBJ_CC=shlicc2
 128         SHOBJ_CFLAGS=
 129         SHOBJ_LD=ld
 130         SHOBJ_LDFLAGS=-r
 131         SHOBJ_LIBS=-lc_s.2.1.0
 132
 133         # BSD/OS 2.x and 3.x `shared libraries' are too much of a pain in
 134         # the ass -- they require changing {/usr/lib,etc}/shlib.map on
 135         # each system, and the library creation process is byzantine
 136         SHLIB_STATUS=unsupported
 137         ;;
 138
 139 bsdi3*)
 140         SHOBJ_CC=shlicc2
 141         SHOBJ_CFLAGS=
 142         SHOBJ_LD=ld
 143         SHOBJ_LDFLAGS=-r
 144         SHOBJ_LIBS=-lc_s.3.0.0
 145
 146         # BSD/OS 2.x and 3.x `shared libraries' are too much of a pain in
 147         # the ass -- they require changing {/usr/lib,etc}/shlib.map on
 148         # each system, and the library creation process is byzantine
 149         SHLIB_STATUS=unsupported
 150         ;;
 151
 152 bsdi4*)
 153         # BSD/OS 4.x now supports ELF and SunOS-style dynamically-linked
 154         # shared libraries.  gcc 2.x is the standard compiler, and the
 155         # `normal' gcc options should work as they do in Linux.
 156
 157         SHOBJ_CFLAGS=-fPIC
 158         SHOBJ_LD='${CC}'
 159         SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
 160
 161         SHLIB_XLDFLAGS='-Wl,-soname,`basename $@ $(SHLIB_MINOR)`'
 162         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
 163         ;;
 164
 165 osf*-*gcc*)
 166         # Fix to use gcc linker driver from bfischer@TechFak.Uni-Bielefeld.DE
 167         SHOBJ_LD='${CC}'
 168         SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
 169
 170         SHLIB_XLDFLAGS='-rpath $(libdir)'
 171         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 172         ;;
 173
 174 osf*)
 175         SHOBJ_LD=ld
 176         SHOBJ_LDFLAGS='-shared -soname $@ -expect_unresolved "*"'
 177
 178         SHLIB_XLDFLAGS='-rpath $(libdir)'
 179         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 180         ;;
 181
 182 aix4.[2-9]*-*gcc*)              # lightly tested by jik@cisco.com
 183         SHOBJ_CFLAGS=-fpic
 184         SHOBJ_LD='ld'
 185         SHOBJ_LDFLAGS='-bdynamic -bnoentry -bexpall'
 186         SHOBJ_XLDFLAGS='-G'
 187
 188         SHLIB_XLDFLAGS='-bM:SRE'
 189         SHLIB_LIBS='-lcurses -lc'
 190         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 191         ;;
 192
 193 aix4.[2-9]*)
 194         SHOBJ_CFLAGS=-K
 195         SHOBJ_LD='ld'
 196         SHOBJ_LDFLAGS='-bdynamic -bnoentry -bexpall'
 197         SHOBJ_XLDFLAGS='-G'
 198
 199         SHLIB_XLDFLAGS='-bM:SRE'
 200         SHLIB_LIBS='-lcurses -lc'
 201         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 202         ;;
 203
 204 #
 205 # THE FOLLOWING ARE UNTESTED -- and some may not support the dlopen interface
 206 #
 207 irix[56]*-*gcc*)
 208         SHOBJ_CFLAGS='-fpic'
 209         SHOBJ_LD='${CC}'
 210         SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
 211
 212         SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir)'
 213         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 214         ;;
 215
 216 irix[56]*)
 217         SHOBJ_CFLAGS='-K PIC'
 218         SHOBJ_LD=ld
 219 #       SHOBJ_LDFLAGS='-call_shared -hidden_symbol -no_unresolved -soname $@'
 220 #       Change from David Kaelbling <drk@sgi.com>.  If you have problems,
 221 #       remove the `-no_unresolved'
 222         SHOBJ_LDFLAGS='-shared -no_unresolved -soname $@'
 223
 224         SHLIB_XLDFLAGS='-rpath $(libdir)'
 225         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 226         ;;
 227
 228 hpux9*-*gcc*)
 229         # must use gcc; the bundled cc cannot compile PIC code
 230         SHOBJ_CFLAGS='-fpic'
 231         SHOBJ_LD='${CC}'
 232         SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,+s'
 233
 234         SHLIB_XLDFLAGS='-Wl,+b,$(libdir)'
 235         SHLIB_LIBSUFF='sl'
 236         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 237         ;;
 238
 239 hpux9*)
 240         SHOBJ_STATUS=unsupported
 241         SHLIB_STATUS=unsupported
 242         ;;
 243
 244 hpux10*-*gcc*)
 245         # must use gcc; the bundled cc cannot compile PIC code
 246         SHOBJ_CFLAGS='-fpic'
 247         SHOBJ_LD='${CC}'
 248         SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,+s'
 249
 250         SHLIB_XLDFLAGS='-Wl,+h,$@ -Wl,+b,$(libdir)'
 251         SHLIB_LIBSUFF='sl'
 252         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 253         ;;
 254
 255 hpux10*)
 256         SHOBJ_STATUS=unsupported
 257         SHLIB_STATUS=unsupported
 258
 259         # If you are using the HP ANSI C compiler, you can uncomment and use
 260         # this code
 261 #       SHOBJ_STATUS=unsupported
 262 #       SHLIB_STATUS=unsupported
 263 #
 264 #       SHOBJ_CFLAGS='+z'
 265 #       SHOBJ_LD='ld'
 266 #       SHOBJ_LDFLAGS='-b'
 267 #
 268 #       SHLIB_XLDFLAGS=''
 269 #       SHLIB_LIBSUFF='sl'
 270 #       SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 271         ;;
 272
 273 hpux11*-*gcc*)
 274         # must use gcc; the bundled cc cannot compile PIC code
 275         SHOBJ_CFLAGS='-fpic'
 276         SHOBJ_LD='${CC}'
 277 #       SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,-B,symbolic -Wl,+s -Wl,+std -Wl,+h,$@'
 278         SHOBJ_LDFLAGS='-shared -fpic -Wl,-b -Wl,+s -Wl,+h,$@'
 279
 280         SHLIB_XLDFLAGS='-Wl,+b,$(libdir)'
 281         SHLIB_LIBSUFF='sl'
 282         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 283         ;;
 284
 285 hpux11*)
 286         SHOBJ_STATUS=unsupported
 287         SHLIB_STATUS=unsupported
 288
 289         # If you are using the HP ANSI C compiler, you can uncomment and use
 290         # this code
 291 #       SHOBJ_STATUS=unsupported
 292 #       SHLIB_STATUS=unsupported
 293 #
 294 #       SHOBJ_CFLAGS='+z'
 295 #       SHOBJ_LD='ld'
 296 #       SHOBJ_LDFLAGS='-b'
 297 #
 298 #       SHLIB_XLDFLAGS=''
 299 #       SHLIB_LIBSUFF='sl'
 300 #       SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 301
 302         ;;
 303
 304 sysv4*-*gcc*)
 305         SHOBJ_CFLAGS=-shared
 306         SHOBJ_LDFLAGS='-shared -h $@'
 307         SHOBJ_LD='${CC}'
 308
 309         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 310         ;;
 311
 312 sysv4*)
 313         SHOBJ_CFLAGS='-K PIC'
 314         SHOBJ_LD=ld
 315         SHOBJ_LDFLAGS='-dy -z text -G -h $@'
 316
 317         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 318         ;;
 319
 320 sco3.2v5*-*gcc*)
 321         SHOBJ_CFLAGS='-fpic'            # DEFAULTS TO ELF
 322         SHOBJ_LD='${CC}'
 323         SHOBJ_LDFLAGS='-shared'
 324
 325         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 326         ;;
 327
 328 sco3.2v5*)
 329         SHOBJ_CFLAGS='-K pic -b elf'
 330         SHOBJ_LD=ld
 331         SHOBJ_LDFLAGS='-G -b elf -dy -z text -h $@'
 332
 333         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 334         ;;
 335
 336 sysv5uw7*-*gcc*)
 337         SHOBJ_CFLAGS='-fpic'
 338         SHOBJ_LD='${CC}'
 339         SHOBJ_LDFLAGS='-shared'
 340
 341         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 342         ;;
 343
 344 sysv5uw7*)
 345         SHOBJ_CFLAGS='-K PIC'
 346         SHOBJ_LD=ld
 347         SHOBJ_LDFLAGS='-G -dy -z text -h $@'
 348
 349         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 350         ;;
 351
 352 dgux*-*gcc*)
 353         SHOBJ_CFLAGS=-fpic
 354         SHOBJ_LD='${CC}'
 355         SHOBJ_LDFLAGS='-shared'
 356
 357         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 358         ;;
 359
 360 dgux*)
 361         SHOBJ_CFLAGS='-K pic'
 362         SHOBJ_LD=ld
 363         SHOBJ_LDFLAGS='-G -dy -h $@'
 364
 365         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 366         ;;
 367
 368 msdos*)
 369         SHOBJ_STATUS=unsupported
 370         SHLIB_STATUS=unsupported
 371         ;;
 372
 373 #
 374 # Rely on correct gcc configuration for everything else
 375 #
 376 *-*gcc*)
 377         SHOBJ_CFLAGS=-fpic
 378         SHOBJ_LD='${CC}'
 379         SHOBJ_LDFLAGS='-shared'
 380
 381         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 382         ;;
 383
 384 *)
 385         SHOBJ_STATUS=unsupported
 386         SHLIB_STATUS=unsupported
 387         ;;
 388
 389 esac
 390
 391 echo SHOBJ_CC=\'"$SHOBJ_CC"\'
 392 echo SHOBJ_CFLAGS=\'"$SHOBJ_CFLAGS"\'
 393 echo SHOBJ_LD=\'"$SHOBJ_LD"\'
 394 echo SHOBJ_LDFLAGS=\'"$SHOBJ_LDFLAGS"\'
 395 echo SHOBJ_XLDFLAGS=\'"$SHOBJ_XLDFLAGS"\'
 396 echo SHOBJ_LIBS=\'"$SHOBJ_LIBS"\'
 397
 398 echo SHLIB_XLDFLAGS=\'"$SHLIB_XLDFLAGS"\'
 399 echo SHLIB_LIBS=\'"$SHLIB_LIBS"\'
 400 echo SHLIB_LIBSUFF=\'"$SHLIB_LIBSUFF"\'
 401 echo SHLIB_LIBVERSION=\'"$SHLIB_LIBVERSION"\'
 402
 403 echo SHOBJ_STATUS=\'"$SHOBJ_STATUS"\'
 404 echo SHLIB_STATUS=\'"$SHLIB_STATUS"\'
 405
 406 exit 0