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).$(SHLIB_MAJOR)'
  78         ;;
  79
  80 # All versions of Linux or the semi-mythical GNU Hurd.
  81 linux*|gnu*)
  82         SHOBJ_CFLAGS=-fPIC
  83         SHOBJ_LD='${CC}'
  84         SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
  85
  86         SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir) -Wl,-soname,`basename $@ $(SHLIB_MINOR)`'
  87         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
  88         ;;
  89
  90 freebsd2* | netbsd*)
  91         SHOBJ_CFLAGS=-fpic
  92         SHOBJ_LD=ld
  93         SHOBJ_LDFLAGS='-x -Bshareable'
  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)$(SHLIB_MINOR)'
 114         fi
 115         ;;
 116
 117 # Darwin/MacOS X
 118 darwin*|macosx*)
 119         SHOBJ_STATUS=unsupported
 120         SHLIB_STATUS=supported
 121
 122         SHOBJ_CFLAGS='-dynamic -fno-common'
 123
 124         SHOBJ_LD=/usr/bin/libtool
 125
 126         SHLIB_LIBVERSION='$(SHLIB_MAJOR)$(SHLIB_MINOR).$(SHLIB_LIBSUFF)'
 127         SHLIB_LIBSUFF='dylib'
 128
 129         SHOBJ_LDFLAGS='-dynamic'
 130         SHLIB_XLDFLAGS='-arch_only `/usr/bin/arch` -install_name $(libdir)/$@ -current_version $(SHLIB_MAJOR)$(SHLIB_MINOR) -compatibility_version $(SHLIB_MAJOR) -v'
 131
 132         SHLIB_LIBS='-lSystem'
 133         ;;
 134
 135 openbsd*)
 136         SHOBJ_CFLAGS=-fPIC
 137         SHOBJ_LD='${CC}'
 138         SHOBJ_LDFLAGS='-shared'
 139
 140         SHLIB_XLDFLAGS='-R$(libdir)'
 141         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
 142         ;;
 143
 144 bsdi2*)
 145         SHOBJ_CC=shlicc2
 146         SHOBJ_CFLAGS=
 147         SHOBJ_LD=ld
 148         SHOBJ_LDFLAGS=-r
 149         SHOBJ_LIBS=-lc_s.2.1.0
 150
 151         # BSD/OS 2.x and 3.x `shared libraries' are too much of a pain in
 152         # the ass -- they require changing {/usr/lib,etc}/shlib.map on
 153         # each system, and the library creation process is byzantine
 154         SHLIB_STATUS=unsupported
 155         ;;
 156
 157 bsdi3*)
 158         SHOBJ_CC=shlicc2
 159         SHOBJ_CFLAGS=
 160         SHOBJ_LD=ld
 161         SHOBJ_LDFLAGS=-r
 162         SHOBJ_LIBS=-lc_s.3.0.0
 163
 164         # BSD/OS 2.x and 3.x `shared libraries' are too much of a pain in
 165         # the ass -- they require changing {/usr/lib,etc}/shlib.map on
 166         # each system, and the library creation process is byzantine
 167         SHLIB_STATUS=unsupported
 168         ;;
 169
 170 bsdi4*)
 171         # BSD/OS 4.x now supports ELF and SunOS-style dynamically-linked
 172         # shared libraries.  gcc 2.x is the standard compiler, and the
 173         # `normal' gcc options should work as they do in Linux.
 174
 175         SHOBJ_CFLAGS=-fPIC
 176         SHOBJ_LD='${CC}'
 177         SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
 178
 179         SHLIB_XLDFLAGS='-Wl,-soname,`basename $@ $(SHLIB_MINOR)`'
 180         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
 181         ;;
 182
 183 osf*-*gcc*)
 184         # Fix to use gcc linker driver from bfischer@TechFak.Uni-Bielefeld.DE
 185         SHOBJ_LD='${CC}'
 186         SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
 187
 188         SHLIB_XLDFLAGS='-rpath $(libdir)'
 189         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 190         ;;
 191
 192 osf*)
 193         SHOBJ_LD=ld
 194         SHOBJ_LDFLAGS='-shared -soname $@ -expect_unresolved "*"'
 195
 196         SHLIB_XLDFLAGS='-rpath $(libdir)'
 197         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 198         ;;
 199
 200 aix4.[2-9]*-*gcc*)              # lightly tested by jik@cisco.com
 201         SHOBJ_CFLAGS=-fpic
 202         SHOBJ_LD='ld'
 203         SHOBJ_LDFLAGS='-bdynamic -bnoentry -bexpall'
 204         SHOBJ_XLDFLAGS='-G'
 205
 206         SHLIB_XLDFLAGS='-bM:SRE'
 207         SHLIB_LIBS='-lcurses -lc'
 208         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 209         ;;
 210
 211 aix4.[2-9]*)
 212         SHOBJ_CFLAGS=-K
 213         SHOBJ_LD='ld'
 214         SHOBJ_LDFLAGS='-bdynamic -bnoentry -bexpall'
 215         SHOBJ_XLDFLAGS='-G'
 216
 217         SHLIB_XLDFLAGS='-bM:SRE'
 218         SHLIB_LIBS='-lcurses -lc'
 219         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 220         ;;
 221
 222 #
 223 # THE FOLLOWING ARE UNTESTED -- and some may not support the dlopen interface
 224 #
 225 irix[56]*-*gcc*)
 226         SHOBJ_CFLAGS='-fpic'
 227         SHOBJ_LD='${CC}'
 228         SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
 229
 230         SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir)'
 231         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 232         ;;
 233
 234 irix[56]*)
 235         SHOBJ_CFLAGS='-K PIC'
 236         SHOBJ_LD=ld
 237 #       SHOBJ_LDFLAGS='-call_shared -hidden_symbol -no_unresolved -soname $@'
 238 #       Change from David Kaelbling <drk@sgi.com>.  If you have problems,
 239 #       remove the `-no_unresolved'
 240         SHOBJ_LDFLAGS='-shared -no_unresolved -soname $@'
 241
 242         SHLIB_XLDFLAGS='-rpath $(libdir)'
 243         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 244         ;;
 245
 246 hpux9*-*gcc*)
 247         # must use gcc; the bundled cc cannot compile PIC code
 248         SHOBJ_CFLAGS='-fpic'
 249         SHOBJ_LD='${CC}'
 250         SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,+s'
 251
 252         SHLIB_XLDFLAGS='-Wl,+b,$(libdir)'
 253         SHLIB_LIBSUFF='sl'
 254         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 255         ;;
 256
 257 hpux9*)
 258         SHOBJ_STATUS=unsupported
 259         SHLIB_STATUS=unsupported
 260
 261         # If you are using the HP ANSI C compiler, you can uncomment and use
 262         # this code (I have not tested it)
 263 #       SHOBJ_STATUS=supported
 264 #       SHLIB_STATUS=supported
 265 #
 266 #       SHOBJ_CFLAGS='+z'
 267 #       SHOBJ_LD='ld'
 268 #       SHOBJ_LDFLAGS='-b +s'
 269 #
 270 #       SHLIB_XLDFLAGS='+b $(libdir)'
 271 #       SHLIB_LIBSUFF='sl'
 272 #       SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 273
 274         ;;
 275
 276 hpux10*-*gcc*)
 277         # must use gcc; the bundled cc cannot compile PIC code
 278         SHOBJ_CFLAGS='-fpic'
 279         SHOBJ_LD='${CC}'
 280         SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,+s'
 281
 282         SHLIB_XLDFLAGS='-Wl,+h,$@ -Wl,+b,$(libdir)'
 283         SHLIB_LIBSUFF='sl'
 284         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 285         ;;
 286
 287 hpux10*)
 288         SHOBJ_STATUS=unsupported
 289         SHLIB_STATUS=unsupported
 290
 291         # If you are using the HP ANSI C compiler, you can uncomment and use
 292         # this code (I have not tested it)
 293 #       SHOBJ_STATUS=supported
 294 #       SHLIB_STATUS=supported
 295 #
 296 #       SHOBJ_CFLAGS='+z'
 297 #       SHOBJ_LD='ld'
 298 #       SHOBJ_LDFLAGS='-b +s +h $@'
 299 #
 300 #       SHLIB_XLDFLAGS='+b $(libdir)'
 301 #       SHLIB_LIBSUFF='sl'
 302 #       SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 303
 304         ;;
 305
 306 hpux11*-*gcc*)
 307         # must use gcc; the bundled cc cannot compile PIC code
 308         SHOBJ_CFLAGS='-fpic'
 309         SHOBJ_LD='${CC}'
 310 #       SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,-B,symbolic -Wl,+s -Wl,+std -Wl,+h,$@'
 311         SHOBJ_LDFLAGS='-shared -fpic -Wl,-b -Wl,+s -Wl,+h,$@'
 312
 313         SHLIB_XLDFLAGS='-Wl,+b,$(libdir)'
 314         SHLIB_LIBSUFF='sl'
 315         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 316         ;;
 317
 318 hpux11*)
 319         SHOBJ_STATUS=unsupported
 320         SHLIB_STATUS=unsupported
 321
 322         # If you are using the HP ANSI C compiler, you can uncomment and use
 323         # this code (I have not tested it)
 324 #       SHOBJ_STATUS=supported
 325 #       SHLIB_STATUS=supported
 326 #
 327 #       SHOBJ_CFLAGS='+z'
 328 #       SHOBJ_LD='ld'
 329 #       SHOBJ_LDFLAGS='-b +s +h $@'
 330 #
 331 #       SHLIB_XLDFLAGS='+b $(libdir)'
 332 #       SHLIB_LIBSUFF='sl'
 333 #       SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 334
 335         ;;
 336
 337 sysv4*-*gcc*)
 338         SHOBJ_CFLAGS=-shared
 339         SHOBJ_LDFLAGS='-shared -h $@'
 340         SHOBJ_LD='${CC}'
 341
 342         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 343         ;;
 344
 345 sysv4*)
 346         SHOBJ_CFLAGS='-K PIC'
 347         SHOBJ_LD=ld
 348         SHOBJ_LDFLAGS='-dy -z text -G -h $@'
 349
 350         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 351         ;;
 352
 353 sco3.2v5*-*gcc*)
 354         SHOBJ_CFLAGS='-fpic'            # DEFAULTS TO ELF
 355         SHOBJ_LD='${CC}'
 356         SHOBJ_LDFLAGS='-shared'
 357
 358         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 359         ;;
 360
 361 sco3.2v5*)
 362         SHOBJ_CFLAGS='-K pic -b elf'
 363         SHOBJ_LD=ld
 364         SHOBJ_LDFLAGS='-G -b elf -dy -z text -h $@'
 365
 366         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 367         ;;
 368
 369 sysv5uw7*-*gcc*)
 370         SHOBJ_CFLAGS='-fpic'
 371         SHOBJ_LD='${CC}'
 372         SHOBJ_LDFLAGS='-shared'
 373
 374         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 375         ;;
 376
 377 sysv5uw7*)
 378         SHOBJ_CFLAGS='-K PIC'
 379         SHOBJ_LD=ld
 380         SHOBJ_LDFLAGS='-G -dy -z text -h $@'
 381
 382         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 383         ;;
 384
 385 dgux*-*gcc*)
 386         SHOBJ_CFLAGS=-fpic
 387         SHOBJ_LD='${CC}'
 388         SHOBJ_LDFLAGS='-shared'
 389
 390         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 391         ;;
 392
 393 dgux*)
 394         SHOBJ_CFLAGS='-K pic'
 395         SHOBJ_LD=ld
 396         SHOBJ_LDFLAGS='-G -dy -h $@'
 397
 398         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 399         ;;
 400
 401 msdos*)
 402         SHOBJ_STATUS=unsupported
 403         SHLIB_STATUS=unsupported
 404         ;;
 405
 406 #
 407 # Rely on correct gcc configuration for everything else
 408 #
 409 *-*gcc*)
 410         SHOBJ_CFLAGS=-fpic
 411         SHOBJ_LD='${CC}'
 412         SHOBJ_LDFLAGS='-shared'
 413
 414         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 415         ;;
 416
 417 *)
 418         SHOBJ_STATUS=unsupported
 419         SHLIB_STATUS=unsupported
 420         ;;
 421
 422 esac
 423
 424 echo SHOBJ_CC=\'"$SHOBJ_CC"\'
 425 echo SHOBJ_CFLAGS=\'"$SHOBJ_CFLAGS"\'
 426 echo SHOBJ_LD=\'"$SHOBJ_LD"\'
 427 echo SHOBJ_LDFLAGS=\'"$SHOBJ_LDFLAGS"\'
 428 echo SHOBJ_XLDFLAGS=\'"$SHOBJ_XLDFLAGS"\'
 429 echo SHOBJ_LIBS=\'"$SHOBJ_LIBS"\'
 430
 431 echo SHLIB_XLDFLAGS=\'"$SHLIB_XLDFLAGS"\'
 432 echo SHLIB_LIBS=\'"$SHLIB_LIBS"\'
 433 echo SHLIB_LIBSUFF=\'"$SHLIB_LIBSUFF"\'
 434 echo SHLIB_LIBVERSION=\'"$SHLIB_LIBVERSION"\'
 435
 436 echo SHOBJ_STATUS=\'"$SHOBJ_STATUS"\'
 437 echo SHLIB_STATUS=\'"$SHLIB_STATUS"\'
 438
 439 exit 0