* unix/configure: Regen.

	* unix/configure.in:
	* unix/tcl.m4: Use GCC variable set by AC_PROG_CC instead
	of defining our own using_gcc variable.

4 files changed, 79 insertions, 91 deletions

diff --git a/ChangeLog b/ChangeLog
index d8128f8..c83539f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2001-08-12  Mo DeJong  <mdejong@redhat.com>
+
+	* unix/configure: Regen.
+	* unix/configure.in:
+	* unix/tcl.m4: Use GCC variable set by AC_PROG_CC instead
+	of defining our own using_gcc variable.
+
 2001-08-11  Vince Darley <vincentdarley@users.sourceforge.net>
 
         Variety of small issues introduced by the vfs code fixed:
diff --git a/unix/configure b/unix/configure
index 01852bd..b4ca4e5 100755
--- a/unix/configure
+++ b/unix/configure
@@ -533,7 +533,7 @@ else
 fi
 
 
-# RCS: @(#) $Id: configure,v 1.16 2001/08/07 00:48:22 hobbs Exp $
+# RCS: @(#) $Id: configure.in,v 1.71 2001/08/08 22:28:24 dgp Exp $
 
 TCL_VERSION=8.4
 TCL_MAJOR_VERSION=8
@@ -4707,21 +4707,11 @@ echo "configure:4689: checking system version (for dynamic loading)" >&5
 	fi
     fi
 
-    echo $ac_n "checking if gcc is being used""... $ac_c" 1>&6
-echo "configure:4712: checking if gcc is being used" >&5
-    if test "$CC" = "gcc" -o `$CC -v 2>&1 | grep -c gcc` != "0" ; then
-	using_gcc="yes"
-    else
-	using_gcc="no"
-    fi
-
-    echo "$ac_t""$using_gcc ($CC)" 1>&6
-
     # Step 2: check for existence of -ldl library.  This is needed because
     # Linux can use either -ldl or -ldld for dynamic loading.
 
     echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:4725: checking for dlopen in -ldl" >&5
+echo "configure:4715: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4729,7 +4719,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4733 "configure"
+#line 4723 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4740,7 +4730,7 @@ int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:4744: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4734: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4774,7 +4764,7 @@ fi
     TCL_LIB_VERSIONS_OK=ok
     CFLAGS_DEBUG=-g
     CFLAGS_OPTIMIZE=-O
-    if test "$using_gcc" = "yes" ; then
+    if test "$GCC" = "yes" ; then
 	CFLAGS_WARNING="-Wall -Wconversion -Wno-implicit-int"
     else
 	CFLAGS_WARNING=""
@@ -4785,7 +4775,7 @@ fi
     # Extract the first word of "ar", so it can be a program name with args.
 set dummy ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:4789: checking for $ac_word" >&5
+echo "configure:4779: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -4814,7 +4804,7 @@ fi
     STLIB_LD='${AR} cr'
     case $system in
 	AIX-5.*)
-	    if test "${TCL_THREADS}" = "1" -a "$using_gcc" = "no" ; then
+	    if test "${TCL_THREADS}" = "1" -a "$GCC" = "no" ; then
 		# AIX requires the _r compiler when gcc isn't being used
 		if test "${CC}" != "cc_r" ; then
 		    CC=${CC}_r
@@ -4834,14 +4824,14 @@ fi
 	    # AIX-5 has dl* in libc.so
 	    DL_LIBS=""
 	    LDFLAGS=""
-	    if test "$using_gcc" = "yes" ; then
+	    if test "$GCC" = "yes" ; then
 		LD_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
 	    else
 		LD_SEARCH_FLAGS='-R${LIB_RUNTIME_DIR}'
 	    fi
 
 	    if test "$do64bit" = "yes" ; then
-		if test "$using_gcc" = "no" ; then
+		if test "$GCC" = "no" ; then
 		    do64bit_ok=yes
 		    EXTRA_CFLAGS="-q64"
 		    LDFLAGS="-q64"
@@ -4851,7 +4841,7 @@ fi
 	    fi
 	    ;;
 	AIX-*)
-	    if test "${TCL_THREADS}" = "1" -a "$using_gcc" = "no" ; then
+	    if test "${TCL_THREADS}" = "1" -a "$GCC" = "no" ; then
 		# AIX requires the _r compiler when gcc isn't being used
 		if test "${CC}" != "cc_r" ; then
 		    CC=${CC}_r
@@ -4888,7 +4878,7 @@ fi
 	    # known GMT value.
 
 	    echo $ac_n "checking for gettimeofday in -lbsd""... $ac_c" 1>&6
-echo "configure:4892: checking for gettimeofday in -lbsd" >&5
+echo "configure:4882: checking for gettimeofday in -lbsd" >&5
 ac_lib_var=`echo bsd'_'gettimeofday | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4896,7 +4886,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lbsd  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4900 "configure"
+#line 4890 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4907,7 +4897,7 @@ int main() {
 gettimeofday()
 ; return 0; }
 EOF
-if { (eval echo configure:4911: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4901: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4969,7 +4959,7 @@ EOF
 	HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*|HP-UX-*.11.*)
 	    SHLIB_SUFFIX=".sl"
 	    echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
-echo "configure:4973: checking for shl_load in -ldld" >&5
+echo "configure:4963: checking for shl_load in -ldld" >&5
 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4977,7 +4967,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4981 "configure"
+#line 4971 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4988,7 +4978,7 @@ int main() {
 shl_load()
 ; return 0; }
 EOF
-if { (eval echo configure:4992: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4982: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -5049,7 +5039,7 @@ fi
 	    DL_OBJS="tclLoadDl.o"
 	    DL_LIBS=""
 	    LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
-	    if test "$using_gcc" = "yes" ; then
+	    if test "$GCC" = "yes" ; then
 		EXTRA_CFLAGS="-mabi=n32"
 		LDFLAGS="-mabi=n32"
 	    else
@@ -5095,17 +5085,17 @@ fi
 	    else
 		ac_safe=`echo "dld.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dld.h""... $ac_c" 1>&6
-echo "configure:5099: checking for dld.h" >&5
+echo "configure:5089: checking for dld.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5104 "configure"
+#line 5094 "configure"
 #include "confdefs.h"
 #include <dld.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5109: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5099: \"$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*
@@ -5150,17 +5140,17 @@ fi
 	    else
 		ac_safe=`echo "dld.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dld.h""... $ac_c" 1>&6
-echo "configure:5154: checking for dld.h" >&5
+echo "configure:5144: checking for dld.h" >&5
 if eval "test \"`echo '$''{'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"
+#line 5149 "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 $ac_try) 2>&5; }
+{ (eval echo configure:5154: \"$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*
@@ -5215,17 +5205,17 @@ 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""... $ac_c" 1>&6
-echo "configure:5219: checking for dlfcn.h" >&5
+echo "configure:5209: checking for dlfcn.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5224 "configure"
+#line 5214 "configure"
 #include "confdefs.h"
 #include <dlfcn.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5229: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5219: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5252,9 +5242,9 @@ if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
 		LDFLAGS=""
 		LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
 		echo $ac_n "checking for ELF""... $ac_c" 1>&6
-echo "configure:5256: checking for ELF" >&5
+echo "configure:5246: checking for ELF" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 5258 "configure"
+#line 5248 "configure"
 #include "confdefs.h"
 
 #ifdef __ELF__
@@ -5358,13 +5348,13 @@ EOF
 	    DL_LIBS=""
 	    LDFLAGS=""
 	    LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
-	    if test "$using_gcc" = "no" ; then
+	    if test "$GCC" = "no" ; then
 		EXTRA_CFLAGS="-DHAVE_TZSET -std1"
 	    fi
 	    # see pthread_intro(3) for pthread support on osf1, k.furukawa
 	    if test "${TCL_THREADS}" = "1" ; then
 		EXTRA_CFLAGS="${EXTRA_CFLAGS} -DTCL_THREAD_STACK_MIN=PTHREAD_STACK_MIN*64"
-		if test "$using_gcc" = "no" ; then
+		if test "$GCC" = "no" ; then
 		    EXTRA_CFLAGS="${EXTRA_CFLAGS} -pthread"
 		    LDFLAGS="-pthread"
 		else
@@ -5388,7 +5378,7 @@ EOF
 	    # Note, dlopen is available only on SCO 3.2.5 and greater. However,
 	    # this test works, since "uname -s" was non-standard in 3.2.4 and
 	    # below.
-	    if test "$using_gcc" = "yes" ; then
+	    if test "$GCC" = "yes" ; then
 	    	SHLIB_CFLAGS="-fPIC -melf"
 	    	LDFLAGS="-melf -Wl,-Bexport"
 	    else
@@ -5471,7 +5461,7 @@ EOF
 	    if test "$do64bit" = "yes" ; then
 		arch=`isainfo`
 		if test "$arch" = "sparcv9 sparc" ; then
-			if test "$using_gcc" = "no" ; then
+			if test "$GCC" = "no" ; then
 			    do64bit_ok=yes
 			    if test "$do64bitVIS" = "yes" ; then
 				EXTRA_CFLAGS="-xarch=v9a"
@@ -5495,7 +5485,7 @@ EOF
 	    SHLIB_SUFFIX=".so"
 	    DL_OBJS="tclLoadDl.o"
 	    DL_LIBS="-ldl"
-	    if test "$using_gcc" = "yes" ; then
+	    if test "$GCC" = "yes" ; then
 		LD_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
 	    else
 		LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
@@ -5510,7 +5500,7 @@ EOF
 	    DL_LIBS=""
 	    LDFLAGS="-Wl,-D,08000000"
 	    LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
-	    if test "$using_gcc" = "no" ; then
+	    if test "$GCC" = "no" ; then
 		EXTRA_CFLAGS="-DHAVE_TZSET -std1"
 	    fi
 	    ;;
@@ -5525,17 +5515,17 @@ EOF
 	    # that don't grok the -Bexport option.  Test that it does.
 	    hold_ldflags=$LDFLAGS
 	    echo $ac_n "checking for ld accepts -Bexport flag""... $ac_c" 1>&6
-echo "configure:5529: checking for ld accepts -Bexport flag" >&5
+echo "configure:5519: checking for ld accepts -Bexport flag" >&5
 	    LDFLAGS="${LDFLAGS} -Wl,-Bexport"
 	    cat > conftest.$ac_ext <<EOF
-#line 5532 "configure"
+#line 5522 "configure"
 #include "confdefs.h"
 
 int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:5539: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5529: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   found=yes
 else
@@ -5581,9 +5571,9 @@ rm -f conftest*
 
     if test "x$DL_OBJS" = "xtclLoadAout.o" ; then
 	echo $ac_n "checking sys/exec.h""... $ac_c" 1>&6
-echo "configure:5585: checking sys/exec.h" >&5
+echo "configure:5575: checking sys/exec.h" >&5
 	cat > conftest.$ac_ext <<EOF
-#line 5587 "configure"
+#line 5577 "configure"
 #include "confdefs.h"
 #include <sys/exec.h>
 int main() {
@@ -5601,7 +5591,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:5605: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5595: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -5619,9 +5609,9 @@ EOF
 
 	else
 	    echo $ac_n "checking a.out.h""... $ac_c" 1>&6
-echo "configure:5623: checking a.out.h" >&5
+echo "configure:5613: checking a.out.h" >&5
 	    cat > conftest.$ac_ext <<EOF
-#line 5625 "configure"
+#line 5615 "configure"
 #include "confdefs.h"
 #include <a.out.h>
 int main() {
@@ -5639,7 +5629,7 @@ int main() {
 	    
 ; return 0; }
 EOF
-if { (eval echo configure:5643: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5633: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -5657,9 +5647,9 @@ EOF
 
 	    else
 		echo $ac_n "checking sys/exec_aout.h""... $ac_c" 1>&6
-echo "configure:5661: checking sys/exec_aout.h" >&5
+echo "configure:5651: checking sys/exec_aout.h" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 5663 "configure"
+#line 5653 "configure"
 #include "confdefs.h"
 #include <sys/exec_aout.h>
 int main() {
@@ -5677,7 +5667,7 @@ int main() {
 		
 ; return 0; }
 EOF
-if { (eval echo configure:5681: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5671: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   tcl_ok=usable
 else
@@ -5734,7 +5724,7 @@ fi
     # standard manufacturer compiler.
 
     if test "$DL_OBJS" != "tclLoadNone.o" ; then
-	if test "$using_gcc" = "yes" ; then
+	if test "$GCC" = "yes" ; then
 	    case $system in
 		AIX-*)
 		    ;;
@@ -5772,7 +5762,7 @@ fi
 
 
     echo $ac_n "checking for build with symbols""... $ac_c" 1>&6
-echo "configure:5776: checking for build with symbols" >&5
+echo "configure:5766: checking for build with symbols" >&5
     # Check whether --enable-symbols or --disable-symbols was given.
 if test "${enable_symbols+set}" = set; then
   enableval="$enable_symbols"
@@ -5809,17 +5799,17 @@ TCL_DBGX=${DBGX}
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5813: checking for $ac_hdr" >&5
+echo "configure:5803: 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 5818 "configure"
+#line 5808 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5823: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5813: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -5849,17 +5839,17 @@ done
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:5853: checking for $ac_hdr" >&5
+echo "configure:5843: 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 5858 "configure"
+#line 5848 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5863: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5853: \"$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*
@@ -5886,7 +5876,7 @@ fi
 done
 
     echo $ac_n "checking FIONBIO vs. O_NONBLOCK for nonblocking I/O""... $ac_c" 1>&6
-echo "configure:5890: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
+echo "configure:5880: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
     if test -f /usr/lib/NextStep/software_version; then
 	system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version`
     else
@@ -5948,7 +5938,7 @@ TCL_SHARED_LIB_SUFFIX=${SHARED_LIB_SUFFIX}
 
 
     echo $ac_n "checking how to build libraries""... $ac_c" 1>&6
-echo "configure:5952: checking how to build libraries" >&5
+echo "configure:5942: checking how to build libraries" >&5
     # Check whether --enable-shared or --disable-shared was given.
 if test "${enable_shared+set}" = set; then
   enableval="$enable_shared"
@@ -6033,7 +6023,7 @@ else
     # Replace DBGX with TCL_DBGX
     eval "TCL_EXP_FILE=\"${TCL_EXP_FILE}\""
     
-    if test "$using_gcc" = "yes" ; then
+    if test "$GCC" = "yes" ; then
 	TCL_BUILD_LIB_SPEC="-Wl,-bI:`pwd`/${TCL_BUILD_EXP_FILE} -L`pwd`"
 	TCL_LIB_SPEC="-Wl,-bI:${exec_prefix}/lib/${TCL_EXP_FILE} -L`pwd`"    
     else
diff --git a/unix/configure.in b/unix/configure.in
index 0fd1951..d3312f4 100644
--- a/unix/configure.in
+++ b/unix/configure.in
@@ -3,7 +3,7 @@ dnl	This file is an input file used by the GNU "autoconf" program to
 dnl	generate the file "configure", which is run during Tcl installation
 dnl	to configure the system for the local environment.
 AC_INIT(../generic/tcl.h)
-# RCS: @(#) $Id: configure.in,v 1.71 2001/08/08 22:28:24 dgp Exp $
+# RCS: @(#) $Id: configure.in,v 1.72 2001/08/12 21:17:43 mdejong Exp $
 
 TCL_VERSION=8.4
 TCL_MAJOR_VERSION=8
@@ -432,7 +432,7 @@ else
     # Replace DBGX with TCL_DBGX
     eval "TCL_EXP_FILE=\"${TCL_EXP_FILE}\""
     
-    if test "$using_gcc" = "yes" ; then
+    if test "$GCC" = "yes" ; then
 	TCL_BUILD_LIB_SPEC="-Wl,-bI:`pwd`/${TCL_BUILD_EXP_FILE} -L`pwd`"
 	TCL_LIB_SPEC="-Wl,-bI:${exec_prefix}/lib/${TCL_EXP_FILE} -L`pwd`"    
     else
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 3f53267..76f905f 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -560,15 +560,6 @@ AC_DEFUN(SC_CONFIG_CFLAGS, [
 	fi
     fi
 
-    AC_MSG_CHECKING([if gcc is being used])
-    if test "$CC" = "gcc" -o `$CC -v 2>&1 | grep -c gcc` != "0" ; then
-	using_gcc="yes"
-    else
-	using_gcc="no"
-    fi
-
-    AC_MSG_RESULT([$using_gcc ($CC)])
-
     # Step 2: check for existence of -ldl library.  This is needed because
     # Linux can use either -ldl or -ldld for dynamic loading.
 
@@ -586,7 +577,7 @@ AC_DEFUN(SC_CONFIG_CFLAGS, [
     TCL_LIB_VERSIONS_OK=ok
     CFLAGS_DEBUG=-g
     CFLAGS_OPTIMIZE=-O
-    if test "$using_gcc" = "yes" ; then
+    if test "$GCC" = "yes" ; then
 	CFLAGS_WARNING="-Wall -Wconversion -Wno-implicit-int"
     else
 	CFLAGS_WARNING=""
@@ -600,7 +591,7 @@ dnl AC_CHECK_TOOL(AR, ar, :)
     STLIB_LD='${AR} cr'
     case $system in
 	AIX-5.*)
-	    if test "${TCL_THREADS}" = "1" -a "$using_gcc" = "no" ; then
+	    if test "${TCL_THREADS}" = "1" -a "$GCC" = "no" ; then
 		# AIX requires the _r compiler when gcc isn't being used
 		if test "${CC}" != "cc_r" ; then
 		    CC=${CC}_r
@@ -620,14 +611,14 @@ dnl AC_CHECK_TOOL(AR, ar, :)
 	    # AIX-5 has dl* in libc.so
 	    DL_LIBS=""
 	    LDFLAGS=""
-	    if test "$using_gcc" = "yes" ; then
+	    if test "$GCC" = "yes" ; then
 		LD_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
 	    else
 		LD_SEARCH_FLAGS='-R${LIB_RUNTIME_DIR}'
 	    fi
 
 	    if test "$do64bit" = "yes" ; then
-		if test "$using_gcc" = "no" ; then
+		if test "$GCC" = "no" ; then
 		    do64bit_ok=yes
 		    EXTRA_CFLAGS="-q64"
 		    LDFLAGS="-q64"
@@ -637,7 +628,7 @@ dnl AC_CHECK_TOOL(AR, ar, :)
 	    fi
 	    ;;
 	AIX-*)
-	    if test "${TCL_THREADS}" = "1" -a "$using_gcc" = "no" ; then
+	    if test "${TCL_THREADS}" = "1" -a "$GCC" = "no" ; then
 		# AIX requires the _r compiler when gcc isn't being used
 		if test "${CC}" != "cc_r" ; then
 		    CC=${CC}_r
@@ -752,7 +743,7 @@ dnl AC_CHECK_TOOL(AR, ar, :)
 	    DL_OBJS="tclLoadDl.o"
 	    DL_LIBS=""
 	    LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
-	    if test "$using_gcc" = "yes" ; then
+	    if test "$GCC" = "yes" ; then
 		EXTRA_CFLAGS="-mabi=n32"
 		LDFLAGS="-mabi=n32"
 	    else
@@ -948,13 +939,13 @@ dnl AC_CHECK_TOOL(AR, ar, :)
 	    DL_LIBS=""
 	    LDFLAGS=""
 	    LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}'
-	    if test "$using_gcc" = "no" ; then
+	    if test "$GCC" = "no" ; then
 		EXTRA_CFLAGS="-DHAVE_TZSET -std1"
 	    fi
 	    # see pthread_intro(3) for pthread support on osf1, k.furukawa
 	    if test "${TCL_THREADS}" = "1" ; then
 		EXTRA_CFLAGS="${EXTRA_CFLAGS} -DTCL_THREAD_STACK_MIN=PTHREAD_STACK_MIN*64"
-		if test "$using_gcc" = "no" ; then
+		if test "$GCC" = "no" ; then
 		    EXTRA_CFLAGS="${EXTRA_CFLAGS} -pthread"
 		    LDFLAGS="-pthread"
 		else
@@ -978,7 +969,7 @@ dnl AC_CHECK_TOOL(AR, ar, :)
 	    # Note, dlopen is available only on SCO 3.2.5 and greater. However,
 	    # this test works, since "uname -s" was non-standard in 3.2.4 and
 	    # below.
-	    if test "$using_gcc" = "yes" ; then
+	    if test "$GCC" = "yes" ; then
 	    	SHLIB_CFLAGS="-fPIC -melf"
 	    	LDFLAGS="-melf -Wl,-Bexport"
 	    else
@@ -1055,7 +1046,7 @@ dnl AC_CHECK_TOOL(AR, ar, :)
 	    if test "$do64bit" = "yes" ; then
 		arch=`isainfo`
 		if test "$arch" = "sparcv9 sparc" ; then
-			if test "$using_gcc" = "no" ; then
+			if test "$GCC" = "no" ; then
 			    do64bit_ok=yes
 			    if test "$do64bitVIS" = "yes" ; then
 				EXTRA_CFLAGS="-xarch=v9a"
@@ -1079,7 +1070,7 @@ dnl AC_CHECK_TOOL(AR, ar, :)
 	    SHLIB_SUFFIX=".so"
 	    DL_OBJS="tclLoadDl.o"
 	    DL_LIBS="-ldl"
-	    if test "$using_gcc" = "yes" ; then
+	    if test "$GCC" = "yes" ; then
 		LD_SEARCH_FLAGS='-Wl,-R,${LIB_RUNTIME_DIR}'
 	    else
 		LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}'
@@ -1094,7 +1085,7 @@ dnl AC_CHECK_TOOL(AR, ar, :)
 	    DL_LIBS=""
 	    LDFLAGS="-Wl,-D,08000000"
 	    LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}'
-	    if test "$using_gcc" = "no" ; then
+	    if test "$GCC" = "no" ; then
 		EXTRA_CFLAGS="-DHAVE_TZSET -std1"
 	    fi
 	    ;;
@@ -1231,7 +1222,7 @@ dnl AC_CHECK_TOOL(AR, ar, :)
     # standard manufacturer compiler.
 
     if test "$DL_OBJS" != "tclLoadNone.o" ; then
-	if test "$using_gcc" = "yes" ; then
+	if test "$GCC" = "yes" ; then
 	    case $system in
 		AIX-*)
 		    ;;