added support for solaris (tested) and linux (untested)

acconfig.h

@@ -35,6 +35,16 @@
  */
 #undef HAVE_DLOPEN 1
 
+/* Define if your sys_errlist is a const definition */
+#undef HAVE_CONST_SYS_ERRLIST
+
+/* Include info we know about the system from config.scsh */
+#include "scsh/machine/sysdep.h"
+
+/* Define if you have the nlist() function.  This is a
+   not-very-portable way of looking up external symbols. */
+#undef HAVE_NLIST
+
 @BOTTOM@
 
 #include "fake/sigact.h"

configure.in

@@ -11,7 +11,7 @@ dnl Note, this test didn't work correctly on Sun's which take -cckr as a
 dnl synonym for -c. (HCC)
 
 dnl JMG: hack hack hack
-AR=${AR-"ar cq"}
+dnl AR=${AR-"ar cq"}
 
 
 define(S48_CFLAG_CKR, [dnl
@@ -107,16 +107,111 @@ AC_DEFUN(SCSH_GMTOFF,[
     AC_DEFINE(HAVE_GMTOFF)
   fi
 ])
+dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
+AC_DEFUN(SCSH_ELF, [
+  AC_MSG_CHECKING(for ELF)
+  AC_CACHE_VAL(scsh_cv_elf,[
+    touch conftest.c
+    if ${CC} -v -o a.out conftest.c 2>&1 | grep -q __ELF__ ; then
+      scsh_cv_elf=yes
+    else
+      scsh_cv_elf=no
+    fi])
+  AC_MSG_RESULT($scsh_cv_elf)
+  if test $scsh_cv_elf = yes; then
+    LDFLAGS=-rdynamic
+  fi
+  rm -f conftest.c a.out
+])
+
+dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
+AC_DEFUN(SCSH_LINUX_STATIC_DEBUG, [
+  case "$host" in
+    *-*-linux* )
+    AC_MSG_CHECKING(for broken Linux that needs -static with -g)
+    AC_CACHE_VAL(scsh_cv_linux_static_debug,[
+      AC_TRY_LINK([],
+  		  [],
+  		  scsh_cv_linux_static_debug=no,
+  		  scsh_cv_linux_static_debug=yes)])
+    AC_MSG_RESULT($scsh_cv_linux_static_debug)
+    if test $scsh_cv_linux_static_debug = yes; then
+      LDFLAGS="-static ${LDFLAGS}"
+    fi
+  ;;
+  esac
+])
+
+dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
+AC_DEFUN(SCSH_CONST_SYS_ERRLIST,[
+  AC_MSG_CHECKING(for const sys_errlist)
+  AC_CACHE_VAL(scsh_cv_const_sys_errlist,[
+    AC_TRY_COMPILE([#include <errno.h>
+                    #include <unistd.h>], 
+		   [const extern char *sys_errlist[];],
+                   scsh_cv_const_sys_errlist=yes,
+                   scsh_cv_const_sys_errlist=no)])
+  AC_MSG_RESULT($scsh_cv_const_sys_errlist)
+  if test $scsh_cv_const_sys_errlist = yes; then
+    AC_DEFINE(HAVE_CONST_SYS_ERRLIST)
+  fi
+])
 
 dnl -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
 AC_INIT(c/scheme48vm.c)
      AC_CONFIG_HEADER(c/sysdep.h)
+     AC_CANONICAL_HOST
      S48_PROG_CC
      AC_ISC_POSIX
+     SCSH_LINUX_STATIC_DEBUG	
      dnl set the cross-compile flag before we try anything.
      AC_TRY_RUN([int main() { return 0;}], [], [], [true])
      S48_CFLAG_CKR
      AC_PROG_INSTALL
+     AC_PROG_RANLIB
+     AC_C_CONST
+
+     AC_C_BIGENDIAN
+     if test $ac_cv_c_bigendian = no ; then
+       ENDIAN=little
+     else
+       ENDIAN=big
+     fi
+
+     AR=${AR-"ar cq"}
+     TMPDIR=${TMPDIR-"/usr/tmp"}
+     case "$host" in	
+    ## Linux
+    *-*-linux* )
+    dir=linux
+    # gross, but needed for some older a.out systems for 0.4.x
+    LIBS=-lc
+    SCSH_ELF
+    ;;
+
+    ## NetBSD and FreeBSD ( and maybe 386BSD also)
+    *-*-*bsd* )
+    dir=bsd
+    SCSH_ELF
+    ;;
+  ## Solaris - Sparc and i386
+    *-*-solaris* )
+    dir=solaris
+    AC_DEFINE(HAVE_NLIST)
+    ;;
+  
+    * )
+    dir=generic
+    echo "WARNING: "
+    echo "WARNING: Using generic configuration."
+    echo "WARNING: See doc/install.txt for more information."
+    echo "WARNING: "
+    ;;
+     esac
+     rm -f $srcdir/scsh/machine
+     ln -s $srcdir/$dir $srcdir/scsh/machine	
+
+
      AC_CHECK_LIB(m, main)
      AC_CHECK_LIB(dl, main)
      AC_CHECK_LIB(mld, main)
@@ -129,8 +224,8 @@ AC_INIT(c/scheme48vm.c)
      S48_POSIX_LIBC
      AC_CONST
      AC_RETSIGTYPE
-     AC_CHECK_HEADERS(libgen.h sys/timeb.h posix/time.h)
+     AC_CHECK_HEADERS(libgen.h sys/timeb.h posix/time.h sys/select.h nlist.h)
-     AC_CHECK_HEADERS(sys/select.h)
+     AC_CHECK_HEADERS(sys/un.h)
      AC_CHECK_FUNCS(gettimeofday ftime nlist select setitimer sigaction)
      AC_CHECK_FUNC(dlopen, AC_DEFINE(HAVE_DLOPEN),
 			   AC_CHECK_FUNC(nlist, [LIBOBJS="$LIBOBJS c/fake/libdl1.c],
@@ -159,9 +254,29 @@ fail
 		AC_MSG_RESULT([no]))
      S48_USCORE
      S48_RDYNAMIC
+     SCSH_TZNAME
+     SCSH_GMTOFF
+     SCSH_CONST_SYS_ERRLIST	
+     CFLAGS1=${CFLAGS}
+
      AC_SUBST(CFLAGS)
      AC_SUBST(LIBOBJS)
      AC_SUBST(LDFLAGS)
-     SCSH_TZNAME
+	
-     SCSH_GMTOFF	
+
-AC_OUTPUT(Makefile)
+     AC_SUBST(AIX_P)
+     AC_SUBST(AR)
+     AC_SUBST(CC)
+     AC_SUBST(CFLAGS)
+     AC_SUBST(CFLAGS1)
+     AC_SUBST(EXEEXT)
+     AC_SUBST(ENDIAN)
+     AC_SUBST(LDFLAGS)
+     AC_SUBST(LDFLAGS_AIX)
+     AC_SUBST(LIBS)
+     AC_SUBST(TMPDIR)
+
+    
+AC_OUTPUT(Makefile scsh/regexp/Makefile scsh/endian.scm scsh/static.scm)
+chmod +x scsh/static.scm
+