* configure: Avoid hpux10.20 sed bug.

2 files changed, 64 insertions, 7 deletions

diff --git a/ChangeLog b/ChangeLog
index 6f0be42..c42e555 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Oct  9 06:06:46 1996  Jeffrey A Law  (law@cygnus.com)
+
+	* configure: Avoid hpux10.20 sed bug.
+
 Tue Oct  8 08:32:48 1996  Stu Grossman  (grossman@critters.cygnus.com)
 
 	* configure.in config/mh-windows:  Add support for windows host
diff --git a/configure b/configure
index 3d6be6e..36afd7d 100755
--- a/configure
+++ b/configure
@@ -180,8 +180,8 @@ do
 		esac
 
 		enableopt=`echo ${option} | sed 's:^--::;s:=.*$::;s:-:_:g'`
-		eval $enableopt="$optarg"
-		enableoptions="$enableoptions $option"
+		eval "$enableopt='$optarg'"
+		enableoptions="$enableoptions '$option'"
 		;;
 	--exec-prefix* | --ex*)
 		exec_prefix=$optarg
@@ -203,6 +203,7 @@ do
 		;;
 	--nfp | --nf*)
 		floating_point=no
+		floating_pointoption="--nfp"
 		;;
 	--norecursion | --no*)
 		norecursion=yes
@@ -339,7 +340,7 @@ case "${fatal}" in
 			# Neither --host option nor undefs were present.
 			# Call config.guess.
 			guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
-			if host_alias=`${guesssys}`
+			if host_alias=`${config_shell} ${guesssys}`
 			then
 				# If the string we are going to use for
 				# the target is a prefix of the string
@@ -425,7 +426,7 @@ configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 
 # this is a hack.  sun4 must always be a valid host alias or this will fail.
-if ${configsub} sun4 >/dev/null 2>&1 ; then
+if ${config_shell} ${configsub} sun4 >/dev/null 2>&1 ; then
         true
 else
         echo '***' cannot find config.sub.  1>&2
@@ -433,7 +434,7 @@ else
 fi
 
 touch config.junk
-if ${moveifchange} config.junk config.trash ; then
+if ${config_shell} ${moveifchange} config.junk config.trash ; then
         true
 else
         echo '***' cannot find move-if-change.  1>&2
@@ -511,7 +512,7 @@ case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 		${program_prefixoption} ${program_suffixoption} \
 		${program_transform_nameoption} ${site_option} \
 		${withoptions} ${withoutoptions} \
-		${enableoptions} ${disableoptions} \
+		${enableoptions} ${disableoptions} ${floating_pointoption} \
 		${cache_file_option} ${removing} ${other_options} ${redirect}
 	  else
 	    echo '***' There is no configure script present though. 1>&2
@@ -672,7 +673,9 @@ fi
 if [ -z "${CC}" -a -r Makefile ]; then
   sed -n -e ':loop
 /\\$/ N
+s/\\$/\\*hpuxsedbug*/
 /\\$/ b loop
+s/\\\*hpuxsedbug\*/\\/g
 s/\\\n//g
 /^CC[ 	]*=/ s/CC[ 	]*=[ 	]*\(.*\)/\1/p' < Makefile > Makefile.cc
   CC=`tail -1 Makefile.cc`
@@ -682,13 +685,53 @@ fi
 if [ -z "${CXX}" -a -r Makefile ]; then
   sed -n -e ':loop
 /\\$/ N
+s/\\$/\\*hpuxsedbug*/
 /\\$/ b loop
+s/\\\*hpuxsedbug\*/\\/g
 s/\\\n//g
 /^CXX[ 	]*=/ s/CXX[ 	]*=[ 	]*\(.*\)/\1/p' < Makefile > Makefile.cc
   CXX=`tail -1 Makefile.cc`
   rm -f Makefile.cc
 fi
 
+# Generate a default definition for YACC.  This is used if the makefile can't
+# locate bison or byacc in objdir.
+
+for prog in 'bison -y' byacc yacc
+do
+  set dummy $prog; tmp=$2
+  IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}:"
+  for dir in $PATH; do
+    test -z "$dir" && dir=.
+    if test -f $dir/$tmp; then
+      DEFAULT_YACC="$prog"
+      break
+    fi
+  done
+  IFS="$save_ifs"
+
+  test -n "$DEFAULT_YACC" && break
+done
+
+# Generate a default definition for LEX.  This is used if the makefile can't
+# locate flex in objdir.
+
+for prog in flex lex
+do
+  set dummy $prog; tmp=$2
+  IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}:"
+  for dir in $PATH; do
+    test -z "$dir" && dir=.
+    if test -f $dir/$tmp; then
+      DEFAULT_LEX="$prog"
+      break
+    fi
+  done
+  IFS="$save_ifs"
+
+  test -n "$DEFAULT_LEX" && break
+done
+
 if [ "${build}" != "${host}" ]; then
   # If we are doing a Canadian Cross, in which the host and build systems
   # are not the same, we set reasonable default values for the tools.
@@ -703,7 +746,9 @@ if [ "${build}" != "${host}" ]; then
     if [ -z "`eval 'echo $'"${var}"`" -a -r Makefile ]; then
       sed -n -e ':loop
 /\\$/ N
+s/\\$/\\*hpuxsedbug*/
 /\\$/ b loop
+s/\\\*hpuxsedbug\*/\\/g
 s/\\\n//g
 /^'"${var}"'[ 	]*=/ s/'"${var}"'[ 	]*=[ 	]*\(.*\)/\1/p' \
 	< Makefile > Makefile.v
@@ -806,6 +851,8 @@ export CXX
 case "$host" in
 	*go32*)
 	    enable_gdbtk=no ;;
+	*cygwin32*)
+	    enable_gdbtk=no ;;
 esac
 
 # Determine whether gdb needs tk/tcl or not.
@@ -1067,14 +1114,18 @@ EOF
 		    -e "/^CC[ 	]*=/{
 			:loop1
 			/\\\\$/ N
+			s/\\\\$/\\\\*hpuxsedbug*/
 			/\\\\$/ b loop1
+			s/\\\\\\*hpuxsedbug\\*/\\\\/g
 			s/\\\\\\n//g
 			s%^CC[ 	]*=.*$%CC = ${CC}%
 			}" \
 		    -e "/^CXX[ 	]*=/{
 			:loop2
 			/\\\\$/ N
+			s/\\\\$/\\\\*hpuxsedbug*/
 			/\\\\$/ b loop2
+			s/\\\\\\*hpuxsedbug\\*/\\\\/g
 			s/\\\\\\n//g
 			s%^CXX[ 	]*=.*$%CXX = ${CXX}%
 			}" \
@@ -1086,6 +1137,8 @@ EOF
                     -e "s:^program_suffix[ 	]*=.*$:program_suffix = ${program_suffix}:" \
                     -e "s:^program_transform_name[ 	]*=.*$:program_transform_name = ${program_transform_name}:" \
                     -e "s:^tooldir[ 	]*=.*$:tooldir = ${tooldir}:" \
+		    -e "s:^DEFAULT_YACC[	 ]*=.*$:DEFAULT_YACC = ${DEFAULT_YACC}:" \
+		    -e "s:^DEFAULT_LEX[	 ]*=.*$:DEFAULT_LEX = ${DEFAULT_LEX}:" \
                     ${subdir}/Makefile.tem >> ${Makefile}
 
 	    # If this is a Canadian Cross, preset the values of many more
@@ -1233,7 +1286,7 @@ if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 			if [ ! -z "${recprog}" ] ; then
 	                        if eval ${config_shell} ${recprog} ${verbose} ${buildopt} --host=${host_alias} --target=${target_alias} \
         	                        ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
-                	                ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
+                	                ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${floating_pointoption} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
 	                                true
         	                else
 					echo Configure in `pwd` failed, exiting. 1>&2