os2/diff.configure

   1 *** Configure.orig      Thu Oct 19 07:48:18 1995
   2 --- Configure   Wed Nov 01 20:14:32 1995
   3 ***************
   4 *** 561,566 ****
   5 --- 561,575 ----
   6   defvoidused=''
   7   voidflags=''
   8   CONFIG=''
   9 + archobjs=''
  10 + firstmakefile='makefile'
  11 + obj_ext='.o'
  12 + obj_ext_regexp='\.o'
  13 + lib_ext='.a'
  14 + exe_ext=
  15 + ar='ar'
  16 + plibext=
  17 + path_sep=$p_
  18
  19   define='define'
  20   undef='undef'
  21 ***************
  22 *** 1363,1369 ****
  23   say=offhand
  24   for file in $trylist; do
  25         xxx=`./loc $file $file $pth`
  26 !       eval $file=$xxx
  27         eval _$file=$xxx
  28         case "$xxx" in
  29         /*)
  30 --- 1370,1378 ----
  31   say=offhand
  32   for file in $trylist; do
  33         xxx=`./loc $file $file $pth`
  34 !       if test "X$file" != "X$xxx" ; then
  35 !               eval $file=$xxx
  36 !       fi
  37         eval _$file=$xxx
  38         case "$xxx" in
  39         /*)
  40 ***************
  41 *** 2156,2162 ****
  42         exit(0);
  43   }
  44   EOM
  45 ! if $cc -o gccvers gccvers.c >/dev/null 2>&1; then
  46         gccversion=`./gccvers`
  47         case "$gccversion" in
  48         '') echo "You are not using GNU cc." ;;
  49 --- 2165,2171 ----
  50         exit(0);
  51   }
  52   EOM
  53 ! if $cc -o gccvers gccvers.c $ldflags  >/dev/null 2>&1; then
  54         gccversion=`./gccvers`
  55         case "$gccversion" in
  56         '') echo "You are not using GNU cc." ;;
  57 ***************
  58 *** 3851,3856 ****
  59 --- 3860,3871 ----
  60                 *"-l$thislib "*);;
  61                 *) dflt="$dflt -l$thislib";;
  62                 esac
  63 +       elif xxx=`./loc $thislib.lib X $libpth`; $test -f "$xxx"; then
  64 +               echo "Found -l$thislib."
  65 +               case " $dflt " in
  66 +               *"-l$thislib "*);;
  67 +               *) dflt="$dflt -l$thislib";;
  68 +               esac
  69         else
  70                 echo "No -l$thislib."
  71         fi
  72 ***************
  73 *** 3964,3975 ****
  74                         :
  75                 elif try=`./loc lib$thislib.$so X $libpth`; $test -f "$try"; then
  76                         :
  77 !               elif try=`./loc lib$thislib.a X $libpth`; $test -f "$try"; then
  78                         :
  79                 elif try=`./loc lib$thislib X $libpth`; $test -f "$try"; then
  80                         :
  81                 elif try=`./loc $thislib X $libpth`; $test -f "$try"; then
  82                         :
  83                 elif try=`./loc Slib$thislib.a X $xlibpth`; $test -f "$try"; then
  84                         :
  85                 else
  86 --- 3979,3992 ----
  87                         :
  88                 elif try=`./loc lib$thislib.$so X $libpth`; $test -f "$try"; then
  89                         :
  90 !               elif try=`./loc lib$thislib$lib_ext X $libpth`; $test -f "$try"; then
  91                         :
  92                 elif try=`./loc lib$thislib X $libpth`; $test -f "$try"; then
  93                         :
  94                 elif try=`./loc $thislib X $libpth`; $test -f "$try"; then
  95                         :
  96 +               elif try=`./loc $thislib$lib_ext X $libpth`; $test -f "$try"; then
  97 +                       :
  98                 elif try=`./loc Slib$thislib.a X $xlibpth`; $test -f "$try"; then
  99                         :
 100                 else
 101 ***************
 102 *** 4018,4028 ****
 103         fi
 104   elif $test -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
 105         echo "Your C library seems to be in $libc, as you said before."
 106 ! elif $test -r $incpath/usr/lib/libc.a; then
 107 !       libc=$incpath/usr/lib/libc.a;
 108         echo "Your C library seems to be in $libc.  That's fine."
 109 ! elif $test -r /lib/libc.a; then
 110 !       libc=/lib/libc.a;
 111         echo "Your C library seems to be in $libc.  You're normal."
 112   else
 113         if tans=`./loc libc.a blurfl/dyick $libpth`; $test -r "$tans"; then
 114 --- 4035,4045 ----
 115         fi
 116   elif $test -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
 117         echo "Your C library seems to be in $libc, as you said before."
 118 ! elif $test -r $incpath/usr/lib/libc$lib_ext; then
 119 !       libc=$incpath/usr/lib/libc$lib_ext;
 120         echo "Your C library seems to be in $libc.  That's fine."
 121 ! elif $test -r /lib/libc$lib_ext; then
 122 !       libc=/lib/libc$lib_ext;
 123         echo "Your C library seems to be in $libc.  You're normal."
 124   else
 125         if tans=`./loc libc.a blurfl/dyick $libpth`; $test -r "$tans"; then
 126 ***************
 127 *** 4135,4140 ****
 128 --- 4152,4161 ----
 129         eval $xscan;\
 130         $contains '^fprintf$' libc.list >/dev/null 2>&1; then
 131                 eval $xrun
 132 + elif com="$sed -n -e 's/^[-0-9a-f ]*_\(.*\)=.*/\1/p'";\
 133 +       eval $xscan;\
 134 +       $contains '^fprintf$' libc.list >/dev/null 2>&1; then
 135 +               eval $xrun
 136   else
 137         nm -p $* 2>/dev/null >libc.tmp
 138         $grep fprintf libc.tmp > libc.ptf
 139 ***************
 140 *** 4145,4167 ****
 141                 eval $xrun
 142         else
 143                 echo " "
 144 !               echo "nm didn't seem to work right. Trying ar instead..." >&4
 145                 com=''
 146 !               if ar t $libc > libc.tmp; then
 147                         for thisname in $libnames; do
 148 !                               ar t $thisname >>libc.tmp
 149                         done
 150 !                       $sed -e 's/\.o$//' < libc.tmp > libc.list
 151                         echo "Ok." >&4
 152                 else
 153 !                       echo "ar didn't seem to work right." >&4
 154                         echo "Maybe this is a Cray...trying bld instead..." >&4
 155                         if bld t $libc | $sed -e 's/.*\///' -e 's/\.o:.*$//' > libc.list
 156                         then
 157                                 for thisname in $libnames; do
 158                                         bld t $libnames | \
 159                                         $sed -e 's/.*\///' -e 's/\.o:.*$//' >>libc.list
 160 !                                       ar t $thisname >>libc.tmp
 161                                 done
 162                                 echo "Ok." >&4
 163                         else
 164 --- 4166,4189 ----
 165                 eval $xrun
 166         else
 167                 echo " "
 168 !               echo "nm didn't seem to work right. Trying $ar instead..." >&4
 169                 com=''
 170 !               if test "X$osname" = "Xos2"; then ar_opt=tv ; else ar_opt=t ;fi
 171 !               if $ar $ar_opt $libc > libc.tmp; then
 172                         for thisname in $libnames; do
 173 !                               $ar $ar_opt $thisname >>libc.tmp
 174                         done
 175 !                       $sed -e 's/\.o$//' -e 's/^ \+//' < libc.tmp | grep -v "^IMPORT#" > libc.list
 176                         echo "Ok." >&4
 177                 else
 178 !                       echo "$ar didn't seem to work right." >&4
 179                         echo "Maybe this is a Cray...trying bld instead..." >&4
 180                         if bld t $libc | $sed -e 's/.*\///' -e 's/\.o:.*$//' > libc.list
 181                         then
 182                                 for thisname in $libnames; do
 183                                         bld t $libnames | \
 184                                         $sed -e 's/.*\///' -e 's/\.o:.*$//' >>libc.list
 185 !                                       $ar t $thisname >>libc.tmp
 186                                 done
 187                                 echo "Ok." >&4
 188                         else
 189 ***************
 190 *** 4507,4513 ****
 191         exit(0);
 192   }
 193   EOCP
 194 !       if $cc $ccflags try.c -o try >/dev/null 2>&1 && ./try > /dev/null; then
 195                 intsize=`./try`
 196                 echo "Your integers are $intsize bytes long."
 197         else
 198 --- 4529,4535 ----
 199         exit(0);
 200   }
 201   EOCP
 202 !       if $cc $ccflags $ldflags try.c -o try >/dev/null 2>&1 && ./try > /dev/null; then
 203                 intsize=`./try`
 204                 echo "Your integers are $intsize bytes long."
 205         else
 206 ***************
 207 *** 4587,4593 ****
 208         exit(result);
 209   }
 210   EOCP
 211 ! if $cc -o try $ccflags try.c >/dev/null 2>&1; then
 212         ./try
 213         yyy=$?
 214   else
 215 --- 4609,4615 ----
 216         exit(result);
 217   }
 218   EOCP
 219 ! if $cc -o try $ccflags try.c $ldflags >/dev/null 2>&1; then
 220         ./try
 221         yyy=$?
 222   else
 223 ***************
 224 *** 4668,4674 ****
 225
 226   }
 227   EOCP
 228 ! if $cc -o try $ccflags try.c >/dev/null 2>&1; then
 229         ./try
 230         castflags=$?
 231   else
 232 --- 4690,4696 ----
 233
 234   }
 235   EOCP
 236 ! if $cc -o try $ccflags try.c $ldflags >/dev/null 2>&1; then
 237         ./try
 238         castflags=$?
 239   else
 240 ***************
 241 *** 4707,4713 ****
 242         exit((unsigned long)vsprintf(buf,"%s",args) > 10L);
 243   }
 244   EOF
 245 !       if $cc $ccflags vprintf.c -o vprintf >/dev/null 2>&1 && ./vprintf; then
 246                 echo "Your vsprintf() returns (int)." >&4
 247                 val2="$undef"
 248         else
 249 --- 4729,4735 ----
 250         exit((unsigned long)vsprintf(buf,"%s",args) > 10L);
 251   }
 252   EOF
 253 !       if $cc $ccflags vprintf.c $ldflags -o vprintf >/dev/null 2>&1 && ./vprintf; then
 254                 echo "Your vsprintf() returns (int)." >&4
 255                 val2="$undef"
 256         else
 257 ***************
 258 *** 4777,4783 ****
 259                 cryptlib=-lcrypt
 260         fi
 261         if $test -z "$cryptlib"; then
 262 !               cryptlib=`./loc libcrypt.a "" $libpth`
 263         else
 264                 cryptlib=-lcrypt
 265         fi
 266 --- 4799,4805 ----
 267                 cryptlib=-lcrypt
 268         fi
 269         if $test -z "$cryptlib"; then
 270 !               cryptlib=`./loc libcrypt$lib_ext "" $libpth`
 271         else
 272                 cryptlib=-lcrypt
 273         fi
 274 ***************
 275 *** 5284,5290 ****
 276   }
 277   EOM
 278         if $cc $ccflags $cccdlflags -c dyna.c > /dev/null 2>&1 &&
 279 !               $ld $lddlflags -o dyna.$dlext dyna.o > /dev/null 2>&1 &&
 280                 $cc $ccflags $ldflags $cccdlflags $ccdlflags fred.c -o fred $libs > /dev/null 2>&1; then
 281                 xxx=`./fred`
 282                 case $xxx in
 283 --- 5306,5312 ----
 284   }
 285   EOM
 286         if $cc $ccflags $cccdlflags -c dyna.c > /dev/null 2>&1 &&
 287 !               $ld $lddlflags -o dyna.$dlext dyna$obj_ext > /dev/null 2>&1 &&
 288                 $cc $ccflags $ldflags $cccdlflags $ccdlflags fred.c -o fred $libs > /dev/null 2>&1; then
 289                 xxx=`./fred`
 290                 case $xxx in
 291 ***************
 292 *** 5441,5447 ****
 293   EOCP
 294   : check sys/file.h first to get FREAD on Sun
 295   if $test `./findhdr sys/file.h` && \
 296 !               $cc $cppflags "-DI_SYS_FILE" open3.c -o open3 >/dev/null 2>&1 ; then
 297         h_sysfile=true;
 298         echo "<sys/file.h> defines the O_* constants..." >&4
 299         if ./open3; then
 300 --- 5463,5469 ----
 301   EOCP
 302   : check sys/file.h first to get FREAD on Sun
 303   if $test `./findhdr sys/file.h` && \
 304 !               $cc $cppflags $ldflags "-DI_SYS_FILE" open3.c -o open3 >/dev/null 2>&1 ; then
 305         h_sysfile=true;
 306         echo "<sys/file.h> defines the O_* constants..." >&4
 307         if ./open3; then
 308 ***************
 309 *** 5452,5458 ****
 310                 val="$undef"
 311         fi
 312   elif $test `./findhdr fcntl.h` && \
 313 !               $cc "-DI_FCNTL" open3.c -o open3 >/dev/null 2>&1 ; then
 314         h_fcntl=true;
 315         echo "<fcntl.h> defines the O_* constants..." >&4
 316         if ./open3; then
 317 --- 5474,5480 ----
 318                 val="$undef"
 319         fi
 320   elif $test `./findhdr fcntl.h` && \
 321 !               $cc "-DI_FCNTL" $ldflags open3.c -o open3 >/dev/null 2>&1 ; then
 322         h_fcntl=true;
 323         echo "<fcntl.h> defines the O_* constants..." >&4
 324         if ./open3; then
 325 ***************
 326 *** 5931,5937 ****
 327   y*|true)
 328         usemymalloc='y'
 329         mallocsrc='malloc.c'
 330 !       mallocobj='malloc.o'
 331         d_mymalloc="$define"
 332         case "$libs" in
 333         *-lmalloc*)
 334 --- 5953,5959 ----
 335   y*|true)
 336         usemymalloc='y'
 337         mallocsrc='malloc.c'
 338 !       mallocobj="malloc$obj_ext"
 339         d_mymalloc="$define"
 340         case "$libs" in
 341         *-lmalloc*)
 342 ***************
 343 *** 6366,6375 ****
 344                 : we will have to assume that it supports the 4.2 BSD interface
 345                 d_oldsock="$undef"
 346         else
 347 !               echo "You don't have Berkeley networking in libc.a..." >&4
 348 !               if test -f /usr/lib/libnet.a; then
 349 !                       ( (nm $nm_opt /usr/lib/libnet.a | eval $nm_extract) ||  \
 350 !                       ar t /usr/lib/libnet.a) 2>/dev/null >> libc.list
 351                         if $contains socket libc.list >/dev/null 2>&1; then
 352                         echo "...but the Wollongong group seems to have hacked it in." >&4
 353                                 socketlib="-lnet"
 354 --- 6388,6397 ----
 355                 : we will have to assume that it supports the 4.2 BSD interface
 356                 d_oldsock="$undef"
 357         else
 358 !               echo "You don't have Berkeley networking in libc$lib_ext..." >&4
 359 !               if test -f /usr/lib/libnet$lib_ext; then
 360 !                       ( (nm $nm_opt /usr/lib/libnet$lib_ext | eval $nm_extract) ||  \
 361 !                       $ar t /usr/lib/libnet$lib_ext) 2>/dev/null >> libc.list
 362                         if $contains socket libc.list >/dev/null 2>&1; then
 363                         echo "...but the Wollongong group seems to have hacked it in." >&4
 364                                 socketlib="-lnet"
 365 ***************
 366 *** 6382,6388 ****
 367                                         d_oldsock="$define"
 368                                 fi
 369                         else
 370 !                               echo "or even in libnet.a, which is peculiar." >&4
 371                                 d_socket="$undef"
 372                                 d_oldsock="$undef"
 373                         fi
 374 --- 6404,6410 ----
 375                                         d_oldsock="$define"
 376                                 fi
 377                         else
 378 !                               echo "or even in libnet$lib_ext, which is peculiar." >&4
 379                                 d_socket="$undef"
 380                                 d_oldsock="$undef"
 381                         fi
 382 ***************
 383 *** 6905,6911 ****
 384         printf("%d\n", (char *)&try.bar - (char *)&try.foo);
 385   }
 386   EOCP
 387 !       if $cc $ccflags try.c -o try >/dev/null 2>&1; then
 388                 dflt=`./try`
 389         else
 390                 dflt='8'
 391 --- 6927,6933 ----
 392         printf("%d\n", (char *)&try.bar - (char *)&try.foo);
 393   }
 394   EOCP
 395 !       if $cc $ccflags $ldflags try.c -o try >/dev/null 2>&1; then
 396                 dflt=`./try`
 397         else
 398                 dflt='8'
 399 ***************
 400 *** 6953,6959 ****
 401   }
 402   EOCP
 403         xxx_prompt=y
 404 !       if $cc $ccflags try.c -o try >/dev/null 2>&1 && ./try > /dev/null; then
 405                 dflt=`./try`
 406                 case "$dflt" in
 407                 [1-4][1-4][1-4][1-4]|12345678|87654321)
 408 --- 6975,6981 ----
 409   }
 410   EOCP
 411         xxx_prompt=y
 412 !       if $cc $ccflags $ldflags try.c -o try >/dev/null 2>&1 && ./try > /dev/null; then
 413                 dflt=`./try`
 414                 case "$dflt" in
 415                 [1-4][1-4][1-4][1-4]|12345678|87654321)
 416 ***************
 417 *** 7531,7537 ****
 418         printf("%d\n",i);
 419   }
 420   EOCP
 421 !       if $cc try.c -o try >/dev/null 2>&1 ; then
 422                 dflt=`try`
 423         else
 424                 dflt='?'
 425 --- 7553,7559 ----
 426         printf("%d\n",i);
 427   }
 428   EOCP
 429 !       if $cc $ldflags try.c -o try >/dev/null 2>&1 ; then
 430                 dflt=`try`
 431         else
 432                 dflt='?'
 433 ***************
 434 *** 7558,7575 ****
 435   $cc $ccflags -c bar1.c >/dev/null 2>&1
 436   $cc $ccflags -c bar2.c >/dev/null 2>&1
 437   $cc $ccflags -c foo.c >/dev/null 2>&1
 438 ! ar rc bar.a bar2.o bar1.o >/dev/null 2>&1
 439 ! if $cc $ccflags $ldflags -o foobar foo.o bar.a $libs > /dev/null 2>&1 &&
 440         ./foobar >/dev/null 2>&1; then
 441 !       echo "ar appears to generate random libraries itself."
 442         orderlib=false
 443         ranlib=":"
 444 ! elif ar ts bar.a >/dev/null 2>&1 &&
 445 !       $cc $ccflags $ldflags -o foobar foo.o bar.a $libs > /dev/null 2>&1 &&
 446         ./foobar >/dev/null 2>&1; then
 447                 echo "a table of contents needs to be added with 'ar ts'."
 448                 orderlib=false
 449 !               ranlib="ar ts"
 450   else
 451         case "$ranlib" in
 452         :) ranlib='';;
 453 --- 7580,7597 ----
 454   $cc $ccflags -c bar1.c >/dev/null 2>&1
 455   $cc $ccflags -c bar2.c >/dev/null 2>&1
 456   $cc $ccflags -c foo.c >/dev/null 2>&1
 457 ! $ar rc bar$lib_ext bar2$obj_ext bar1$obj_ext >/dev/null 2>&1
 458 ! if $cc $ccflags $ldflags -o foobar foo$obj_ext bar$lib_ext $libs > /dev/null 2>&1 &&
 459         ./foobar >/dev/null 2>&1; then
 460 !       echo "$ar appears to generate random libraries itself."
 461         orderlib=false
 462         ranlib=":"
 463 ! elif $ar ts bar$lib_ext >/dev/null 2>&1 &&
 464 !       $cc $ccflags $ldflags -o foobar foo$obj_ext bar$lib_ext $libs > /dev/null 2>&1 &&
 465         ./foobar >/dev/null 2>&1; then
 466                 echo "a table of contents needs to be added with 'ar ts'."
 467                 orderlib=false
 468 !               ranlib="$ar ts"
 469   else
 470         case "$ranlib" in
 471         :) ranlib='';;
 472 ***************
 473 *** 7641,7647 ****
 474         '') $echo $n ".$c"
 475                 if $cc $ccflags \
 476                 $i_time $i_systime $i_systimek $sysselect $s_timeval $s_timezone \
 477 !               try.c -o try >/dev/null 2>&1 ; then
 478                         set X $i_time $i_systime $i_systimek $sysselect $s_timeval
 479                         shift
 480                         flags="$*"
 481 --- 7663,7669 ----
 482         '') $echo $n ".$c"
 483                 if $cc $ccflags \
 484                 $i_time $i_systime $i_systimek $sysselect $s_timeval $s_timezone \
 485 !               try.c -o try $ldflags >/dev/null 2>&1 ; then
 486                         set X $i_time $i_systime $i_systimek $sysselect $s_timeval
 487                         shift
 488                         flags="$*"
 489 ***************
 490 *** 7710,7716 ****
 491   #endif
 492   }
 493   EOCP
 494 ! if $cc $ccflags -DTRYBITS fd_set.c -o fd_set >fd_set.out 2>&1 ; then
 495         d_fds_bits="$define"
 496         d_fd_set="$define"
 497         echo "Well, your system knows about the normal fd_set typedef..." >&4
 498 --- 7732,7738 ----
 499   #endif
 500   }
 501   EOCP
 502 ! if $cc $ccflags $ldflags -DTRYBITS fd_set.c -o fd_set >fd_set.out 2>&1 ; then
 503         d_fds_bits="$define"
 504         d_fd_set="$define"
 505         echo "Well, your system knows about the normal fd_set typedef..." >&4
 506 ***************
 507 *** 7727,7733 ****
 508         $cat <<'EOM'
 509   Hmm, your compiler has some difficulty with fd_set.  Checking further...
 510   EOM
 511 !       if $cc $ccflags fd_set.c -o fd_set >fd_set.out 2>&1 ; then
 512                 d_fds_bits="$undef"
 513                 d_fd_set="$define"
 514                 echo "Well, your system has some sort of fd_set available..." >&4
 515 --- 7749,7755 ----
 516         $cat <<'EOM'
 517   Hmm, your compiler has some difficulty with fd_set.  Checking further...
 518   EOM
 519 !       if $cc $ccflags $ldflags fd_set.c -o fd_set >fd_set.out 2>&1 ; then
 520                 d_fds_bits="$undef"
 521                 d_fd_set="$define"
 522                 echo "Well, your system has some sort of fd_set available..." >&4
 523 ***************
 524 *** 8353,8359 ****
 525   else
 526         echo "false"
 527   fi
 528 ! $rm -f varargs.o
 529   EOP
 530   chmod +x varargs
 531
 532 --- 8375,8381 ----
 533   else
 534         echo "false"
 535   fi
 536 ! $rm -f varargs$obj_ext
 537   EOP
 538   chmod +x varargs
 539
 540 ***************
 541 *** 8496,8506 ****
 542         echo " "
 543         echo "Stripping down executable paths..." >&4
 544         for file in $loclist $trylist; do
 545 !               eval $file="\$file"
 546         done
 547         ;;
 548   esac
 549
 550   : create config.sh file
 551   echo " "
 552   echo "Creating config.sh..." >&4
 553 --- 8518,8531 ----
 554         echo " "
 555         echo "Stripping down executable paths..." >&4
 556         for file in $loclist $trylist; do
 557 !               if test X$file != Xln -o X$osname != Xos2; then eval $file="\$file"; fi
 558         done
 559         ;;
 560   esac
 561
 562 + # Setup libraries for linking miniperl (if not set already)
 563 + : ${cldlibs="$libs $cryptlib"}
 564 +
 565   : create config.sh file
 566   echo " "
 567   echo "Creating config.sh..." >&4
 568 ***************
 569 *** 8556,8561 ****
 570 --- 8581,8587 ----
 571   chmod='$chmod'
 572   chown='$chown'
 573   clocktype='$clocktype'
 574 + cldlibs='$cldlibs'
 575   comm='$comm'
 576   compress='$compress'
 577   contains='$contains'
 578 ***************
 579 *** 8752,8757 ****
 580 --- 8778,8784 ----
 581   expr='$expr'
 582   extensions='$extensions'
 583   find='$find'
 584 + firstmakefile='$firstmakefile'
 585   flex='$flex'
 586   fpostype='$fpostype'
 587   freetype='$freetype'
 588 ***************
 589 *** 8962,8967 ****
 590 --- 8989,9002 ----
 591   voidflags='$voidflags'
 592   xlibpth='$xlibpth'
 593   zcat='$zcat'
 594 + archobjs='$archobjs'
 595 + obj_ext='$obj_ext'
 596 + obj_ext_regexp='$obj_ext_regexp'
 597 + lib_ext='$lib_ext'
 598 + exe_ext='$exe_ext'
 599 + ar='$ar'
 600 + plibext='$plibext'
 601 + path_sep='$path_sep'
 602   EOT
 603
 604   : add special variables