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'
  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)$(SHLIB_MINOR)'
  87         ;;
  88
  89 freebsd3*)
  90         SHOBJ_CFLAGS=-fpic
  91         SHOBJ_LD='${CC}'
  92         SHOBJ_LDFLAGS='-shared'
  93
  94         SHLIB_XLDFLAGS='-R$(libdir)'
  95         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
  96         ;;
  97
  98 linux*)
  99         SHOBJ_CFLAGS=-fPIC
 100         SHOBJ_LD='${CC}'
 101         SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
 102
 103         SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir)'
 104         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
 105         ;;
 106
 107 bsdi2*)
 108         SHOBJ_CC=shlicc2
 109         SHOBJ_CFLAGS=
 110         SHOBJ_LD=ld
 111         SHOBJ_LDFLAGS=-r
 112         SHOBJ_LIBS=-lc_s.2.1.0
 113
 114         # BSD/OS 2.x and 3.x `shared libraries' are too much of a pain in
 115         # the ass -- they require changing {/usr/lib,etc}/shlib.map on
 116         # each system, and the library creation process is byzantine
 117         SHLIB_STATUS=unsupported
 118         ;;
 119
 120 bsdi3*)
 121         SHOBJ_CC=shlicc2
 122         SHOBJ_CFLAGS=
 123         SHOBJ_LD=ld
 124         SHOBJ_LDFLAGS=-r
 125         SHOBJ_LIBS=-lc_s.3.0.0
 126
 127         # BSD/OS 2.x and 3.x `shared libraries' are too much of a pain in
 128         # the ass -- they require changing {/usr/lib,etc}/shlib.map on
 129         # each system, and the library creation process is byzantine
 130         SHLIB_STATUS=unsupported
 131         ;;
 132
 133 bsdi4*)
 134         # BSD/OS 4.x now supports ELF and SunOS-style dynamically-linked
 135         # shared libraries.  gcc 2.x is the standard compiler, and the
 136         # `normal' gcc options should work as they do in Linux.
 137
 138         SHOBJ_CFLAGS=-fPIC
 139         SHOBJ_LD='${CC}'
 140         SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
 141
 142         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)$(SHLIB_MINOR)'
 143         ;;
 144
 145 osf*)
 146         SHOBJ_LD=ld
 147         SHOBJ_LDFLAGS='-shared -soname $@ -expect_unresolved "*"'
 148
 149         SHLIB_XLDFLAGS='-rpath $(libdir)'
 150         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 151         ;;
 152
 153 aix4.[2-9]*-gcc*)               # lightly tested by jik@cisco.com
 154         SHOBJ_CFLAGS=-fpic
 155         SHOBJ_LD='ld'
 156         SHOBJ_LDFLAGS='-bdynamic -bnoentry -bexpall'
 157         SHOBJ_XLDFLAGS='-G'
 158
 159         SHLIB_XLDFLAGS='-bM:SRE'
 160         SHLIB_LIBS='-lcurses -lc'
 161         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 162         ;;
 163
 164 aix4.[2-9]*)
 165         SHOBJ_CFLAGS=-K
 166         SHOBJ_LD='ld'
 167         SHOBJ_LDFLAGS='-bdynamic -bnoentry -bexpall'
 168         SHOBJ_XLDFLAGS='-G'
 169
 170         SHLIB_XLDFLAGS='-bM:SRE'
 171         SHLIB_LIBS='-lcurses -lc'
 172         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 173         ;;
 174
 175 #
 176 # THE FOLLOWING ARE UNTESTED -- and some may not support the dlopen interface
 177 #
 178 irix[56]*-gcc*)
 179         SHOBJ_CFLAGS='-fpic'
 180         SHOBJ_LD='${CC}'
 181         SHOBJ_LDFLAGS='-shared -Wl,-soname,$@'
 182
 183         SHLIB_XLDFLAGS='-Wl,-rpath,$(libdir)'
 184         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 185         ;;
 186
 187 irix[56]*)
 188         SHOBJ_CFLAGS='-K PIC'
 189         SHOBJ_LD=ld
 190         SHOBJ_LDFLAGS='-call_shared -hidden_symbol -no_unresolved -soname $@'
 191
 192         SHLIB_XLDFLAGS='-rpath $(libdir)'
 193         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 194         ;;
 195
 196 hpux9*-gcc*)
 197         # must use gcc; the bundled cc cannot compile PIC code
 198         SHOBJ_CFLAGS='-fpic'
 199         SHOBJ_LD='${CC}'
 200         SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,+s'
 201
 202         SHLIB_XLDFLAGS='-Wl,+b,$(libdir)'
 203         SHLIB_LIBSUFF='sl'
 204         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 205         ;;
 206
 207 hpux9*)
 208         SHOBJ_STATUS=unsupported
 209         SHLIB_STATUS=unsupported
 210         ;;
 211
 212 hpux10*-gcc*)
 213         # must use gcc; the bundled cc cannot compile PIC code
 214         SHOBJ_CFLAGS='-fpic'
 215         SHOBJ_LD='${CC}'
 216         SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,+s'
 217
 218         SHLIB_XLDFLAGS='-Wl,+h,$@ -Wl,+b,$(libdir)'
 219         SHLIB_LIBSUFF='sl'
 220         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 221         ;;
 222
 223 hpux10*)
 224         SHOBJ_STATUS=unsupported
 225         SHLIB_STATUS=unsupported
 226         ;;
 227
 228 hpux11*-gcc*)
 229         # must use gcc; the bundled cc cannot compile PIC code
 230         SHOBJ_CFLAGS='-fpic'
 231         SHOBJ_LD='${CC}'
 232 #       SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,-B,symbolic -Wl,+s -Wl,+std -Wl,+h,$@'
 233         SHOBJ_LDFLAGS='-shared -Wl,-b -Wl,+s -Wl,+h,$@'
 234
 235         SHLIB_XLDFLAGS='-Wl,+b,$(libdir)'
 236         SHLIB_LIBSUFF='sl'
 237         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 238         ;;
 239
 240 hpux11*)
 241         SHOBJ_STATUS=unsupported
 242         SHLIB_STATUS=unsupported
 243         ;;
 244
 245 sysv4*-gcc*)
 246         SHOBJ_CFLAGS=-shared
 247         SHOBJ_LDFLAGS='-shared -h $@'
 248         SHOBJ_LD='${CC}'
 249
 250         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 251         ;;
 252
 253 sysv4*)
 254         SHOBJ_CFLAGS='-K PIC'
 255         SHOBJ_LD=ld
 256         SHOBJ_LDFLAGS='-dy -z text -G -h $@'
 257
 258         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 259         ;;
 260
 261 sco3.2v5*-gcc*)
 262         SHOBJ_CFLAGS='-fpic'            # DEFAULTS TO ELF
 263         SHOBJ_LD='${CC}'
 264         SHOBJ_LDFLAGS='-shared'
 265
 266         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 267         ;;
 268
 269 sco3.2v5*)
 270         SHOBJ_CFLAGS='-K pic -b elf'
 271         SHOBJ_LD=ld
 272         SHOBJ_LDFLAGS='-G -b elf -dy -z text -h $@'
 273
 274         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 275         ;;
 276
 277 sysv5uw7*-gcc*)
 278         SHOBJ_CFLAGS='-fpic'
 279         SHOBJ_LD='${CC}'
 280         SHOBJ_LDFLAGS='-shared'
 281
 282         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 283         ;;
 284
 285 sysv5uw7*)
 286         SHOBJ_CFLAGS='-K PIC'
 287         SHOBJ_LD=ld
 288         SHOBJ_LDFLAGS='-G -dy -z text -h $@'
 289
 290         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 291         ;;
 292
 293 dgux*-gcc*)
 294         SHOBJ_CFLAGS=-fpic
 295         SHOBJ_LD='${CC}'
 296         SHOBJ_LDFLAGS='-shared'
 297
 298         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 299         ;;
 300
 301 dgux*)
 302         SHOBJ_CFLAGS='-K pic'
 303         SHOBJ_LD=ld
 304         SHOBJ_LDFLAGS='-G -dy -h $@'
 305
 306         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 307         ;;
 308 #
 309 # Rely on correct gcc configuration for everything else
 310 #
 311 *-gcc*)
 312         SHOBJ_CFLAGS=-fpic
 313         SHOBJ_LD='${CC}'
 314         SHOBJ_LDFLAGS='-shared'
 315
 316         SHLIB_LIBVERSION='$(SHLIB_LIBSUFF).$(SHLIB_MAJOR)'
 317         ;;
 318
 319 *)
 320         SHOBJ_STATUS=unsupported
 321         SHLIB_STATUS=unsupported
 322         ;;
 323
 324 esac
 325
 326 echo SHOBJ_CC=\'"$SHOBJ_CC"\'
 327 echo SHOBJ_CFLAGS=\'"$SHOBJ_CFLAGS"\'
 328 echo SHOBJ_LD=\'"$SHOBJ_LD"\'
 329 echo SHOBJ_LDFLAGS=\'"$SHOBJ_LDFLAGS"\'
 330 echo SHOBJ_XLDFLAGS=\'"$SHOBJ_XLDFLAGS"\'
 331 echo SHOBJ_LIBS=\'"$SHOBJ_LIBS"\'
 332
 333 echo SHLIB_XLDFLAGS=\'"$SHLIB_XLDFLAGS"\'
 334 echo SHLIB_LIBS=\'"$SHLIB_LIBS"\'
 335 echo SHLIB_LIBSUFF=\'"$SHLIB_LIBSUFF"\'
 336 echo SHLIB_LIBVERSION=\'"$SHLIB_LIBVERSION"\'
 337
 338 echo SHOBJ_STATUS=\'"$SHOBJ_STATUS"\'
 339 echo SHLIB_STATUS=\'"$SHLIB_STATUS"\'
 340
 341 exit 0