From e7b06be22c5631e265bf357563de6c907aceb35d Mon Sep 17 00:00:00 2001
From: hobbs <hobbs>
Date: Tue, 7 Aug 2001 00:45:18 +0000
Subject: added GNU (HURD) configuration target. (brinkmann)

---
 unix/configure | 109 +++++++++++++++++++++++++++++++++++++++++++--------------
 unix/tcl.m4    |  23 ++++++++++++
 2 files changed, 105 insertions(+), 27 deletions(-)

diff --git a/unix/configure b/unix/configure
index 59f9b8b..602d4de 100755
--- a/unix/configure
+++ b/unix/configure
@@ -533,7 +533,7 @@ else
 fi
 
 
-# RCS: @(#) $Id: configure.in,v 1.69 2001/06/26 20:28:43 mdejong Exp $
+# RCS: @(#) $Id: configure.in,v 1.70 2001/07/11 00:59:31 mdejong Exp $
 
 TCL_VERSION=8.4
 TCL_MAJOR_VERSION=8
@@ -5136,6 +5136,61 @@ fi
 		EXTRA_CFLAGS="-mieee"
 	    fi
 	    ;;
+	GNU*)
+	    SHLIB_CFLAGS="-fPIC"
+	    SHLIB_LD_LIBS='${LIBS}'
+	    SHLIB_SUFFIX=".so"
+
+	    if test "$have_dl" = yes; then
+		SHLIB_LD="${CC} -shared"
+		DL_OBJS=""
+		DL_LIBS="-ldl"
+		LDFLAGS="-rdynamic"
+		LD_SEARCH_FLAGS=""
+	    else
+		ac_safe=`echo "dld.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for dld.h""... $ac_c" 1>&6
+echo "configure:5154: checking for dld.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 5159 "configure"
+#include "confdefs.h"
+#include <dld.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:5164: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  
+		    SHLIB_LD="ld -shared"
+		    DL_OBJS=""
+		    DL_LIBS="-ldld"
+		    LDFLAGS=""
+		    LD_SEARCH_FLAGS=""
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+	    fi
+	    if test "`uname -m`" = "alpha" ; then
+		EXTRA_CFLAGS="-mieee"
+	    fi
+	    ;;
 	MP-RAS-02*)
 	    SHLIB_CFLAGS="-K PIC"
 	    SHLIB_LD="cc -G"
@@ -5160,17 +5215,17 @@ fi
 	    # Not available on all versions:  check for include file.
 	    ac_safe=`echo "dlfcn.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dlfcn.h""... $ac_c" 1>&6
-echo "configure:5164: checking for dlfcn.h" >&5
+echo "configure:5219: checking for dlfcn.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5169 "configure"
+#line 5224 "configure"
 #include "confdefs.h"
 #include <dlfcn.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5174: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5229: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5197,9 +5252,9 @@ if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
 		LDFLAGS=""
 		LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
 		echo $ac_n "checking for ELF""... $ac_c" 1>&6
-echo "configure:5201: checking for ELF" >&5
+echo "configure:5256: checking for ELF" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 5203 "configure"
+#line 5258 "configure"
 #include "confdefs.h"
 
 #ifdef __ELF__
@@ -5470,17 +5525,17 @@ EOF
 	    # that don't grok the -Bexport option.  Test that it does.
 	    hold_ldflags=$LDFLAGS
 	    echo $ac_n "checking for ld accepts -Bexport flag""... $ac_c" 1>&6
-echo "configure:5474: checking for ld accepts -Bexport flag" >&5
+echo "configure:5529: checking for ld accepts -Bexport flag" >&5
 	    LDFLAGS="${LDFLAGS} -Wl,-Bexport"
 	    cat > conftest.$ac_ext <<EOF
-#line 5477 "configure"
+#line 5532 "configure"
 #include "confdefs.h"
 
 int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:5484: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5539: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   found=yes
 else
@@ -5526,9 +5581,9 @@ rm -f conftest*
 
     if test "x$DL_OBJS" = "xtclLoadAout.o" ; then
 	echo $ac_n "checking sys/exec.h""... $ac_c" 1>&6
-echo "configure:5530: checking sys/exec.h" >&5
+echo "configure:5585: checking sys/exec.h" >&5
 	cat > conftest.$ac_ext <<EOF
-#line 5532 "configure"
+#line 5587 "configure"
 #include "confdefs.h"
 #include <sys/exec.h>
 int main() {
@@ -5546,7 +5601,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:5550: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5605: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -5564,9 +5619,9 @@ EOF
 
 	else
 	    echo $ac_n "checking a.out.h""... $ac_c" 1>&6
-echo "configure:5568: checking a.out.h" >&5
+echo "configure:5623: checking a.out.h" >&5
 	    cat > conftest.$ac_ext <<EOF
-#line 5570 "configure"
+#line 5625 "configure"
 #include "confdefs.h"
 #include <a.out.h>
 int main() {
@@ -5584,7 +5639,7 @@ int main() {
 	    
 ; return 0; }
 EOF
-if { (eval echo configure:5588: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5643: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -5602,9 +5657,9 @@ EOF
 
 	    else
 		echo $ac_n "checking sys/exec_aout.h""... $ac_c" 1>&6
-echo "configure:5606: checking sys/exec_aout.h" >&5
+echo "configure:5661: checking sys/exec_aout.h" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 5608 "configure"
+#line 5663 "configure"
 #include "confdefs.h"
 #include <sys/exec_aout.h>
 int main() {
@@ -5622,7 +5677,7 @@ int main() {
 		
 ; return 0; }
 EOF
-if { (eval echo configure:5626: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5681: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -5717,7 +5772,7 @@ fi
 
 
     echo $ac_n "checking for build with symbols""... $ac_c" 1>&6
-echo "configure:5721: checking for build with symbols" >&5
+echo "configure:5776: checking for build with symbols" >&5
     # Check whether --enable-symbols or --disable-symbols was given.
 if test "${enable_symbols+set}" = set; then
   enableval="$enable_symbols"
@@ -5754,17 +5809,17 @@ TCL_DBGX=${DBGX}
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5758: checking for $ac_hdr" >&5
+echo "configure:5813: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5763 "configure"
+#line 5818 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5768: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5823: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5794,17 +5849,17 @@ done
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5798: checking for $ac_hdr" >&5
+echo "configure:5853: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5803 "configure"
+#line 5858 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5808: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5863: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5831,7 +5886,7 @@ fi
 done
 
     echo $ac_n "checking FIONBIO vs. O_NONBLOCK for nonblocking I/O""... $ac_c" 1>&6
-echo "configure:5835: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
+echo "configure:5890: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
     if test -f /usr/lib/NextStep/software_version; then
 	system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version`
     else
@@ -5893,7 +5948,7 @@ TCL_SHARED_LIB_SUFFIX=${SHARED_LIB_SUFFIX}
 
 
     echo $ac_n "checking how to build libraries""... $ac_c" 1>&6
-echo "configure:5897: checking how to build libraries" >&5
+echo "configure:5952: checking how to build libraries" >&5
     # Check whether --enable-shared or --disable-shared was given.
 if test "${enable_shared+set}" = set; then
   enableval="$enable_shared"
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 2e2d6f8..3f53267 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -807,6 +807,29 @@ dnl AC_CHECK_TOOL(AR, ar, :)
 		EXTRA_CFLAGS="-mieee"
 	    fi
 	    ;;
+	GNU*)
+	    SHLIB_CFLAGS="-fPIC"
+	    SHLIB_LD_LIBS='${LIBS}'
+	    SHLIB_SUFFIX=".so"
+
+	    if test "$have_dl" = yes; then
+		SHLIB_LD="${CC} -shared"
+		DL_OBJS=""
+		DL_LIBS="-ldl"
+		LDFLAGS="-rdynamic"
+		LD_SEARCH_FLAGS=""
+	    else
+		AC_CHECK_HEADER(dld.h, [
+		    SHLIB_LD="ld -shared"
+		    DL_OBJS=""
+		    DL_LIBS="-ldld"
+		    LDFLAGS=""
+		    LD_SEARCH_FLAGS=""])
+	    fi
+	    if test "`uname -m`" = "alpha" ; then
+		EXTRA_CFLAGS="-mieee"
+	    fi
+	    ;;
 	MP-RAS-02*)
 	    SHLIB_CFLAGS="-K PIC"
 	    SHLIB_LD="cc -G"
-- 
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