From 7f5c4a3bf708434be9000f4cfea339eb92a5da90 Mon Sep 17 00:00:00 2001
From: Christian Bauer <Christian.Bauer@uni-mainz.de>
Date: Fri, 26 Nov 1999 02:23:02 +0000
Subject: [PATCH] - building GiNaC will no longer bomb if Doxygen is not
 present - fixed some more typos in tutorial

---
 Makefile.in               |   4 +-
 aclocal.m4                |   7 +-
 check/Makefile.in         |   4 +-
 configure                 | 153 ++++++++++++++++++++------------------
 configure.in              |  10 ++-
 doc/Makefile.in           |   4 +-
 doc/reference/Makefile.in |   4 +-
 doc/tutorial/Makefile.in  |   4 +-
 doc/tutorial/ginac.texi   |   7 +-
 ginac/Makefile.in         |   4 +-
 ginsh/Makefile.in         |   4 +-
 11 files changed, 112 insertions(+), 93 deletions(-)

diff --git a/Makefile.in b/Makefile.in
index 091bd6e4..1269c93b 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -108,7 +108,7 @@ configure.in install-sh ltconfig ltmain.sh missing mkinstalldirs
 
 DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
 
-TAR = tar
+TAR = gtar
 GZIP_ENV = --best
 all: all-redirect
 .SUFFIXES:
@@ -292,7 +292,7 @@ distdir: $(DISTFILES)
 	@for file in $(DISTFILES); do \
 	  d=$(srcdir); \
 	  if test -d $$d/$$file; then \
-	    cp -pr $$d/$$file $(distdir)/$$file; \
+	    cp -pr $$/$$file $(distdir)/$$file; \
 	  else \
 	    test -f $(distdir)/$$file \
 	    || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
diff --git a/aclocal.m4 b/aclocal.m4
index 87d8492d..ec789cf5 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -323,7 +323,12 @@ AC_REQUIRE([AC_PROG_LN_S])dnl
 dnl
 
 # Check for any special flags to pass to ltconfig.
-libtool_flags="--cache-file=$cache_file"
+#
+# the following will cause an existing older ltconfig to fail, so
+# we ignore this at the expense of the cache file... Checking this 
+# will just take longer ... bummer!
+#libtool_flags="--cache-file=$cache_file"
+#
 test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
 test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
 test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
diff --git a/check/Makefile.in b/check/Makefile.in
index a27cc7d1..050ad376 100644
--- a/check/Makefile.in
+++ b/check/Makefile.in
@@ -131,7 +131,7 @@ DIST_COMMON =  Makefile.am Makefile.in
 
 DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
 
-TAR = tar
+TAR = gtar
 GZIP_ENV = --best
 DEP_FILES =  .deps/differentiation.P .deps/expand_subs.P \
 .deps/fcntimer.P .deps/inifcns_consist.P .deps/lsolve_onedim.P \
@@ -243,7 +243,7 @@ distdir: $(DISTFILES)
 	@for file in $(DISTFILES); do \
 	  d=$(srcdir); \
 	  if test -d $$d/$$file; then \
-	    cp -pr $$d/$$file $(distdir)/$$file; \
+	    cp -pr $$/$$file $(distdir)/$$file; \
 	  else \
 	    test -f $(distdir)/$$file \
 	    || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
diff --git a/configure b/configure
index d7b4b5d1..749ca813 100755
--- a/configure
+++ b/configure
@@ -14,7 +14,7 @@ ac_default_prefix=/usr/local
 ac_help="$ac_help
   --enable-help-doc       build HTML documentation [default=yes]"
 ac_help="$ac_help
-  --enable-ps-doc         build PostScript documentation [default=no]"
+  --enable-ps-doc         build PostScript documentation [default=yes]"
 ac_help="$ac_help
   --enable-maintainer-mode enable make rules and dependencies not useful
                           (and sometimes confusing) to the casual installer"
@@ -553,7 +553,7 @@ if test "${enable_ps_doc+set}" = set; then
   enableval="$enable_ps_doc"
   :
 else
-  enable_ps_doc=no
+  enable_ps_doc=yes
 fi
 
 
@@ -1627,7 +1627,12 @@ fi
 
 
 # Check for any special flags to pass to ltconfig.
-libtool_flags="--cache-file=$cache_file"
+#
+# the following will cause an existing older ltconfig to fail, so
+# we ignore this at the expense of the cache file... Checking this 
+# will just take longer ... bummer!
+#libtool_flags="--cache-file=$cache_file"
+#
 test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
 test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
 test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
@@ -1649,8 +1654,8 @@ test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
 case "$host" in
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 1653 "configure"' > conftest.$ac_ext
-  if { (eval echo configure:1654: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  echo '#line 1658 "configure"' > conftest.$ac_ext
+  if { (eval echo configure:1659: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
     case "`/usr/bin/file conftest.o`" in
     *32-bit*)
       LD="${LD-ld} -32"
@@ -1671,19 +1676,19 @@ case "$host" in
   SAVE_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -belf"
   echo $ac_n "checking whether the C compiler needs -belf""... $ac_c" 1>&6
-echo "configure:1675: checking whether the C compiler needs -belf" >&5
+echo "configure:1680: checking whether the C compiler needs -belf" >&5
 if eval "test \"`echo '$''{'lt_cv_cc_needs_belf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1680 "configure"
+#line 1685 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:1687: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1692: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   lt_cv_cc_needs_belf=yes
 else
@@ -1785,7 +1790,7 @@ LIBTOOL='$(SHELL) $(top_builddir)/libtool'
 exec 5>>./config.log
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1789: checking how to run the C preprocessor" >&5
+echo "configure:1794: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1800,13 +1805,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1804 "configure"
+#line 1809 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1810: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1815: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1817,13 +1822,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1821 "configure"
+#line 1826 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1827: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1832: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1834,13 +1839,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 1838 "configure"
+#line 1843 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1844: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1849: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1870,7 +1875,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1874: checking for $ac_word" >&5
+echo "configure:1879: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1903,7 +1908,7 @@ test -n "$LEX" || LEX=""$missing_dir/missing flex""
 # Extract the first word of "flex", so it can be a program name with args.
 set dummy flex; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1907: checking for $ac_word" >&5
+echo "configure:1912: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1937,7 +1942,7 @@ then
   *) ac_lib=l ;;
   esac
   echo $ac_n "checking for yywrap in -l$ac_lib""... $ac_c" 1>&6
-echo "configure:1941: checking for yywrap in -l$ac_lib" >&5
+echo "configure:1946: checking for yywrap in -l$ac_lib" >&5
 ac_lib_var=`echo $ac_lib'_'yywrap | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1945,7 +1950,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-l$ac_lib  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1949 "configure"
+#line 1954 "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
@@ -1956,7 +1961,7 @@ int main() {
 yywrap()
 ; return 0; }
 EOF
-if { (eval echo configure:1960: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1965: \"$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
@@ -1979,7 +1984,7 @@ fi
 fi
 
 echo $ac_n "checking lex output file root""... $ac_c" 1>&6
-echo "configure:1983: checking lex output file root" >&5
+echo "configure:1988: checking lex output file root" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_lex_root'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2000,7 +2005,7 @@ echo "$ac_t""$ac_cv_prog_lex_root" 1>&6
 LEX_OUTPUT_ROOT=$ac_cv_prog_lex_root
 
 echo $ac_n "checking whether yytext is a pointer""... $ac_c" 1>&6
-echo "configure:2004: checking whether yytext is a pointer" >&5
+echo "configure:2009: checking whether yytext is a pointer" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_lex_yytext_pointer'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2012,14 +2017,14 @@ echo 'extern char *yytext;' >>$LEX_OUTPUT_ROOT.c
 ac_save_LIBS="$LIBS"
 LIBS="$LIBS $LEXLIB"
 cat > conftest.$ac_ext <<EOF
-#line 2016 "configure"
+#line 2021 "configure"
 #include "confdefs.h"
 `cat $LEX_OUTPUT_ROOT.c`
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:2023: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2028: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_prog_lex_yytext_pointer=yes
 else
@@ -2045,7 +2050,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2049: checking for $ac_word" >&5
+echo "configure:2054: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2077,7 +2082,7 @@ test -n "$YACC" || YACC="yacc"
 
 
 echo $ac_n "checking size of long""... $ac_c" 1>&6
-echo "configure:2081: checking size of long" >&5
+echo "configure:2086: checking size of long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2085,7 +2090,7 @@ else
   ac_cv_sizeof_long=4
 else
   cat > conftest.$ac_ext <<EOF
-#line 2089 "configure"
+#line 2094 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2096,7 +2101,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2100: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2105: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long=`cat conftestval`
 else
@@ -2116,7 +2121,7 @@ EOF
 
 
 echo $ac_n "checking size of long long""... $ac_c" 1>&6
-echo "configure:2120: checking size of long long" >&5
+echo "configure:2125: checking size of long long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2124,7 +2129,7 @@ else
   ac_cv_sizeof_long_long=8
 else
   cat > conftest.$ac_ext <<EOF
-#line 2128 "configure"
+#line 2133 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2135,7 +2140,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2139: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2144: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long_long=`cat conftestval`
 else
@@ -2155,7 +2160,7 @@ EOF
 
 
 echo $ac_n "checking size of long double""... $ac_c" 1>&6
-echo "configure:2159: checking size of long double" >&5
+echo "configure:2164: checking size of long double" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long_double'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2163,7 +2168,7 @@ else
   ac_cv_sizeof_long_double=12
 else
   cat > conftest.$ac_ext <<EOF
-#line 2167 "configure"
+#line 2172 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2174,7 +2179,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2178: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2183: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long_double=`cat conftestval`
 else
@@ -2206,17 +2211,17 @@ for ac_hdr in unistd.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2210: checking for $ac_hdr" >&5
+echo "configure:2215: 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 2215 "configure"
+#line 2220 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2220: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2225: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2246,17 +2251,17 @@ for ac_hdr in readline/readline.h readline/history.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2250: checking for $ac_hdr" >&5
+echo "configure:2255: 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 2255 "configure"
+#line 2260 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2260: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2265: \"$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*
@@ -2284,7 +2289,7 @@ done
 
 save_LIBS=$LIBS
 echo $ac_n "checking for readline in -lreadline""... $ac_c" 1>&6
-echo "configure:2288: checking for readline in -lreadline" >&5
+echo "configure:2293: checking for readline in -lreadline" >&5
 ac_lib_var=`echo readline'_'readline | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2292,7 +2297,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lreadline  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2296 "configure"
+#line 2301 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 #ifdef __cplusplus
@@ -2306,7 +2311,7 @@ int main() {
 readline()
 ; return 0; }
 EOF
-if { (eval echo configure:2310: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2315: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2338,7 +2343,7 @@ LIBS=$save_LIBS
 
 
 echo $ac_n "checking for cout in -lstdc++""... $ac_c" 1>&6
-echo "configure:2342: checking for cout in -lstdc++" >&5
+echo "configure:2347: checking for cout in -lstdc++" >&5
 ac_lib_var=`echo stdc++'_'cout | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2346,7 +2351,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lstdc++  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2350 "configure"
+#line 2355 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 #ifdef __cplusplus
@@ -2360,7 +2365,7 @@ int main() {
 cout()
 ; return 0; }
 EOF
-if { (eval echo configure:2364: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2369: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -2392,17 +2397,17 @@ for ac_hdr in iostream vector map string list typeinfo iterator strstream stdexc
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2396: checking for $ac_hdr" >&5
+echo "configure:2401: 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 2401 "configure"
+#line 2406 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2406: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2411: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2435,17 +2440,17 @@ done
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2439: checking for $ac_hdr" >&5
+echo "configure:2444: 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 2444 "configure"
+#line 2449 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2449: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2454: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2472,17 +2477,17 @@ for ac_hdr in cln.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:2476: checking for $ac_hdr" >&5
+echo "configure:2481: 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 2481 "configure"
+#line 2486 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2486: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2491: \"$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*
@@ -2517,7 +2522,7 @@ done
 
 
     echo $ac_n "checking how to link with libcln""... $ac_c" 1>&6
-echo "configure:2521: checking how to link with libcln" >&5
+echo "configure:2526: checking how to link with libcln" >&5
     saved_LIBS="${LIBS}"
     if eval "test \"`echo '$''{'ginac_cv_lib_cln_link'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2526,14 +2531,14 @@ else
         case "${ac_cv_header_CLN_cln_h}" in
         "yes")
             cat > conftest.$ac_ext <<EOF
-#line 2530 "configure"
+#line 2535 "configure"
 #include "confdefs.h"
 #include <CLN/cln.h>
 int main() {
 factorial(1);
 ; return 0; }
 EOF
-if { (eval echo configure:2537: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2542: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ginac_cv_lib_cln_link="-lcln"
 else
@@ -2546,14 +2551,14 @@ rm -f conftest*
             ;;
         *)
             cat > conftest.$ac_ext <<EOF
-#line 2550 "configure"
+#line 2555 "configure"
 #include "confdefs.h"
 #include <cln.h>
 int main() {
 factorial(1);
 ; return 0; }
 EOF
-if { (eval echo configure:2557: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2562: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ginac_cv_lib_cln_link="-lcln"
 else
@@ -2574,7 +2579,7 @@ fi
         echo "$ac_t""-lcln" 1>&6
         
     echo $ac_n "checking whether libcln behaves sane""... $ac_c" 1>&6
-echo "configure:2578: checking whether libcln behaves sane" >&5
+echo "configure:2583: checking whether libcln behaves sane" >&5
     if eval "test \"`echo '$''{'ginac_cv_lib_cln_integrity'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2585,7 +2590,7 @@ else
   ginac_cv_lib_cln_integrity="guessing sane"
 else
   cat > conftest.$ac_ext <<EOF
-#line 2589 "configure"
+#line 2594 "configure"
 #include "confdefs.h"
 #ifdef __cplusplus
 extern "C" void exit(int);
@@ -2596,7 +2601,7 @@ cl_RA q(3); q = q/2; cl_RA p(3); p = p/2;
 if (q+p != 3) return 1; else return 0;
 }
 EOF
-if { (eval echo configure:2600: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2605: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ginac_cv_lib_cln_integrity="sane"
 else
@@ -2614,7 +2619,7 @@ fi
   ginac_cv_lib_cln_integrity="guessing sane"
 else
   cat > conftest.$ac_ext <<EOF
-#line 2618 "configure"
+#line 2623 "configure"
 #include "confdefs.h"
 #ifdef __cplusplus
 extern "C" void exit(int);
@@ -2625,7 +2630,7 @@ cl_RA q(3); q = q/2; cl_RA p(3); p = p/2;
 if (q+p != 3) return 1; else return 0;
 }
 EOF
-if { (eval echo configure:2629: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2634: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ginac_cv_lib_cln_integrity="sane"
 else
@@ -2673,7 +2678,7 @@ fi
 # Extract the first word of "doxygen", so it can be a program name with args.
 set dummy doxygen; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2677: checking for $ac_word" >&5
+echo "configure:2682: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_DOXYGEN'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2709,7 +2714,7 @@ fi
 # Extract the first word of "latex", so it can be a program name with args.
 set dummy latex; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2713: checking for $ac_word" >&5
+echo "configure:2718: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_LATEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2745,7 +2750,7 @@ fi
 # Extract the first word of "makeindex", so it can be a program name with args.
 set dummy makeindex; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2749: checking for $ac_word" >&5
+echo "configure:2754: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_MAKEINDEX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2781,7 +2786,7 @@ fi
 # Extract the first word of "dvips", so it can be a program name with args.
 set dummy dvips; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2785: checking for $ac_word" >&5
+echo "configure:2790: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_DVIPS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2817,7 +2822,7 @@ fi
 # Extract the first word of "fig2dev", so it can be a program name with args.
 set dummy fig2dev; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2821: checking for $ac_word" >&5
+echo "configure:2826: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_FIG2DEV'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2855,11 +2860,15 @@ TUTORIAL_TARGETS=
 REFERENCE_TARGETS=
 if [ "x$enable_html_doc" = "xyes" ]; then
   TUTORIAL_TARGETS="$TUTORIAL_TARGETS ginac.html"
-  REFERENCE_TARGETS="$REFERENCE_TARGETS index.html"
+  if [ "$DOXYGEN" ]; then
+    REFERENCE_TARGETS="$REFERENCE_TARGETS index.html"
+  fi
 fi
 if [ "x$enable_ps_doc" = "xyes" ]; then
   TUTORIAL_TARGETS="$TUTORIAL_TARGETS ginac.ps"
-  REFERENCE_TARGETS="$REFERENCE_TARGETS reference.ps"
+  if [ "$DOXYGEN" ]; then
+    REFERENCE_TARGETS="$REFERENCE_TARGETS reference.ps"
+  fi
 fi
 
 
diff --git a/configure.in b/configure.in
index 9849a68e..4b36af92 100644
--- a/configure.in
+++ b/configure.in
@@ -5,7 +5,7 @@ AC_PREREQ(2.12)
 
 dnl Configure options
 AC_ARG_ENABLE(html-doc, [  --enable-help-doc       build HTML documentation [default=yes]], , enable_html_doc=yes)
-AC_ARG_ENABLE(ps-doc,   [  --enable-ps-doc         build PostScript documentation [default=no]], , enable_ps_doc=no)
+AC_ARG_ENABLE(ps-doc,   [  --enable-ps-doc         build PostScript documentation [default=yes]], , enable_ps_doc=yes)
 
 dnl GiNaC version information
 dnl
@@ -107,11 +107,15 @@ TUTORIAL_TARGETS=
 REFERENCE_TARGETS=
 if [[ "x$enable_html_doc" = "xyes" ]]; then
   TUTORIAL_TARGETS="$TUTORIAL_TARGETS ginac.html"
-  REFERENCE_TARGETS="$REFERENCE_TARGETS index.html"
+  if [[ "$DOXYGEN" ]]; then
+    REFERENCE_TARGETS="$REFERENCE_TARGETS index.html"
+  fi
 fi
 if [[ "x$enable_ps_doc" = "xyes" ]]; then
   TUTORIAL_TARGETS="$TUTORIAL_TARGETS ginac.ps"
-  REFERENCE_TARGETS="$REFERENCE_TARGETS reference.ps"
+  if [[ "$DOXYGEN" ]]; then
+    REFERENCE_TARGETS="$REFERENCE_TARGETS reference.ps"
+  fi
 fi
 AC_SUBST(TUTORIAL_TARGETS)
 AC_SUBST(REFERENCE_TARGETS)
diff --git a/doc/Makefile.in b/doc/Makefile.in
index e3e1214e..4b5fd558 100644
--- a/doc/Makefile.in
+++ b/doc/Makefile.in
@@ -104,7 +104,7 @@ DIST_COMMON =  Makefile.am Makefile.in
 
 DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
 
-TAR = tar
+TAR = gtar
 GZIP_ENV = --best
 all: all-redirect
 .SUFFIXES:
@@ -218,7 +218,7 @@ distdir: $(DISTFILES)
 	@for file in $(DISTFILES); do \
 	  d=$(srcdir); \
 	  if test -d $$d/$$file; then \
-	    cp -pr $$d/$$file $(distdir)/$$file; \
+	    cp -pr $$/$$file $(distdir)/$$file; \
 	  else \
 	    test -f $(distdir)/$$file \
 	    || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
diff --git a/doc/reference/Makefile.in b/doc/reference/Makefile.in
index 0130316e..5f2f03a5 100644
--- a/doc/reference/Makefile.in
+++ b/doc/reference/Makefile.in
@@ -114,7 +114,7 @@ DIST_COMMON =  Makefile.am Makefile.in
 
 DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
 
-TAR = tar
+TAR = gtar
 GZIP_ENV = --best
 all: all-redirect
 .SUFFIXES:
@@ -161,7 +161,7 @@ distdir: $(DISTFILES)
 	@for file in $(DISTFILES); do \
 	  d=$(srcdir); \
 	  if test -d $$d/$$file; then \
-	    cp -pr $$d/$$file $(distdir)/$$file; \
+	    cp -pr $$/$$file $(distdir)/$$file; \
 	  else \
 	    test -f $(distdir)/$$file \
 	    || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
diff --git a/doc/tutorial/Makefile.in b/doc/tutorial/Makefile.in
index 5c201cbc..271b2256 100644
--- a/doc/tutorial/Makefile.in
+++ b/doc/tutorial/Makefile.in
@@ -126,7 +126,7 @@ version.texi
 
 DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
 
-TAR = tar
+TAR = gtar
 GZIP_ENV = --best
 all: all-redirect
 .SUFFIXES:
@@ -312,7 +312,7 @@ distdir: $(DISTFILES)
 	@for file in $(DISTFILES); do \
 	  d=$(srcdir); \
 	  if test -d $$d/$$file; then \
-	    cp -pr $$d/$$file $(distdir)/$$file; \
+	    cp -pr $$/$$file $(distdir)/$$file; \
 	  else \
 	    test -f $(distdir)/$$file \
 	    || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
diff --git a/doc/tutorial/ginac.texi b/doc/tutorial/ginac.texi
index 95dd05e4..4032cf24 100644
--- a/doc/tutorial/ginac.texi
+++ b/doc/tutorial/ginac.texi
@@ -730,7 +730,7 @@ classes @code{add} and @code{mul}, representing sums of terms and products,
 respectively.  We'll come back later to some more details about these
 two classes and motivate the use of pairs in sums and products here.
 
-@subsection Digression: Internal representation of products and sums
+@unnumberedsubsec Digression: Internal representation of products and sums
 
 Although it should be completely transparent for the user of
 GiNaC a short discussion of this topic helps to understand the sources
@@ -827,7 +827,8 @@ For storing numerical things, GiNaC uses Bruno Haible's library
 classes for GiNaC.  @acronym{CLN} stands for Class Library
 for Numbers or alternatively for Common Lisp Numbers.  In order to
 find out more about @acronym{CLN}'s internals the reader is
-refered to the documentation of that library.  Suffice to say that it
+refered to the documentation of that library.  @inforef{Introduction, , cln},
+for more information. Suffice to say that it
 is by itself build on top of another library, the GNU Multiple
 Precision library @acronym{GMP}, which is an extremely fast
 library for arbitrary long integers and rationals as well as arbitrary
@@ -1732,7 +1733,7 @@ GiNaC is comparable in speed with other CAS.
 
 @heading Disadvantages
 
-Of course it also has some disadvantages
+Of course it also has some disadvantages:
 
 @itemize @bullet
 
diff --git a/ginac/Makefile.in b/ginac/Makefile.in
index 9e0fc163..f070968c 100644
--- a/ginac/Makefile.in
+++ b/ginac/Makefile.in
@@ -139,7 +139,7 @@ DIST_COMMON =  Makefile.am Makefile.in
 
 DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
 
-TAR = tar
+TAR = gtar
 GZIP_ENV = --best
 DEP_FILES =  .deps/add.P .deps/basic.P .deps/clifford.P .deps/color.P \
 .deps/coloridx.P .deps/constant.P .deps/diff.P .deps/ex.P \
@@ -286,7 +286,7 @@ distdir: $(DISTFILES)
 	@for file in $(DISTFILES); do \
 	  d=$(srcdir); \
 	  if test -d $$d/$$file; then \
-	    cp -pr $$d/$$file $(distdir)/$$file; \
+	    cp -pr $$/$$file $(distdir)/$$file; \
 	  else \
 	    test -f $(distdir)/$$file \
 	    || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
diff --git a/ginsh/Makefile.in b/ginsh/Makefile.in
index d755e04e..65524a66 100644
--- a/ginsh/Makefile.in
+++ b/ginsh/Makefile.in
@@ -135,7 +135,7 @@ DIST_COMMON =  Makefile.am Makefile.in ginsh_lexer.cc ginsh_parser.cc
 
 DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
 
-TAR = tar
+TAR = gtar
 GZIP_ENV = --best
 DEP_FILES =  .deps/ginsh_lexer.P .deps/ginsh_parser.P
 SOURCES = $(ginsh_SOURCES)
@@ -307,7 +307,7 @@ distdir: $(DISTFILES)
 	@for file in $(DISTFILES); do \
 	  d=$(srcdir); \
 	  if test -d $$d/$$file; then \
-	    cp -pr $$d/$$file $(distdir)/$$file; \
+	    cp -pr $$/$$file $(distdir)/$$file; \
 	  else \
 	    test -f $(distdir)/$$file \
 	    || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
-- 
2.44.0