configure (gcc_version): Initialize properly depending on how and where configure is started.

d
egcs/ChangeLog:
1998-06-24  Manfred Hollstein  <manfred@s-direktnet.de>
	* configure (gcc_version): Initialize properly depending on
	how and where configure is started.
	(recursion line): Pass a --with-gcc-version=${gcc_version}
	to configures in subdirs.
egcs/libf2c/ChangeLog.egcs:
1998-06-24  Manfred Hollstein  <manfred@s-direktnet.de>
	* Makefile.in (version): Rename to gcc_version.
	* configure.in (version): Likewise.
	(gcc_version): Add code to use an option passed from parent configure.
	* configure: Regenerate.
egcs/libio/ChangeLog:
1998-06-24  Manfred Hollstein  <manfred@s-direktnet.de>
	* config.shared (FLAGS_TO_PASS): Add gcc_version.

From-SVN: r20687

4 files changed, 53 insertions, 14 deletions

diff --git a/configure b/configure
index 8888867..fdbaef7 100755
--- a/configure
+++ b/configure
@@ -701,10 +701,31 @@ if [ "${program_prefix}" != "" ] ; then
     program_transform_name="-e s,^,${program_prefix}, ${program_transform_name}"
 fi
 
-# If gcc's sources are available, extract its version number which is used by
-# $libsubdir.
-if [ -f $srcdir/gcc/version.c ]; then
-    gcc_version=`sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/' < ${srcdir}/gcc/version.c`
+# Check whether --with-gcc-version was given.
+if [ "${with_gcc_version+set}" = set ]; then
+    gcc_version="$with_gcc_version"
+else
+    if [ "${srcdir}" = "." ] ; then
+	if [ "${with_target_subdir}" != "." ] ; then
+	    topsrcdir=${with_multisrctop}../..
+	else
+	    topsrcdir=${with_multisrctop}..
+	fi
+    else
+	case ${srcdir} in
+	    */*/* )	# Need to do this only in subdirectories.
+		topsrcdir=${srcdir}/..
+		;;
+	    * )		# We are already in the topsrcdir.
+		topsrcdir=${srcdir}
+		;;
+	esac
+    fi
+    # If gcc's sources are available, extract its version number which is used by
+    # $libsubdir.
+    if [ -f ${topsrcdir}/gcc/version.c ] ; then
+	gcc_version=`sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/' < ${topsrcdir}/gcc/version.c`
+    fi
 fi
 
 # If CC and CXX are not set in the environment, and the Makefile
@@ -1447,7 +1468,7 @@ 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} ${floating_pointoption} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
+                	                ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} --with-gcc-version=${gcc_version} ${withoptions} ${withoutoptions} ${enableoptions} ${disableoptions} ${floating_pointoption} ${cache_file_option} ${removing} ${other_options} ${redirect} ; then
 	                                true
         	                else
 					echo Configure in `pwd` failed, exiting. 1>&2
diff --git a/libf2c/Makefile.in b/libf2c/Makefile.in
index a48b6e2..b3d046bc 100644
--- a/libf2c/Makefile.in
+++ b/libf2c/Makefile.in
@@ -27,7 +27,7 @@ srcdir = @srcdir@
 prefix = @prefix@
 exec_prefix = @exec_prefix@
 target_alias = @target_alias@
-version = @version@
+gcc_version = @gcc_version@
 
 bindir = $(exec_prefix)/bin
 libdir = $(exec_prefix)/lib
@@ -36,7 +36,7 @@ mandir = $(prefix)/man
 infodir = $(prefix)/info
 includedir = $(prefix)/include
 docdir = $(datadir)/doc
-libsubdir = $(libdir)/gcc-lib/$(target_alias)/$(version)
+libsubdir = $(libdir)/gcc-lib/$(target_alias)/$(gcc_version)
 
 TO_TOPDIR = ..
 
diff --git a/libf2c/configure b/libf2c/configure
index cef4491..63163a8 100755
--- a/libf2c/configure
+++ b/libf2c/configure
@@ -1862,7 +1862,16 @@ test -f libI77/makefile && mv libI77/makefile  libI77/makefile.ori
 test -f libU77/makefile && mv libU77/makefile  libU77/makefile.ori
 
 # Get the version number from the toplevel
-version=`sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/' < ${srcdir}/../gcc/version.c`
+if test x${with_gcc_version} = x; then
+  # Try to get the version number from a hopefully existing gcc directory.
+  if test -d ${srcdir}/../gcc; then
+    gcc_version=`sed -e 's/.*\"\([^ \"]*\)[ \"].*/\1/' < ${srcdir}/../gcc/version.c`
+  else
+    gcc_version=UNKNOWN
+  fi
+else
+  gcc_version=${with_gcc_version}
+fi
 
 ac_aux_dir=
 for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
@@ -1911,7 +1920,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:1915: checking host system type" >&5
+echo "configure:1924: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -1932,7 +1941,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:1936: checking target system type" >&5
+echo "configure:1945: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -1950,7 +1959,7 @@ target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:1954: checking build system type" >&5
+echo "configure:1963: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -2126,7 +2135,7 @@ s%@RANLIB_TEST@%$RANLIB_TEST%g
 s%@CPP@%$CPP%g
 s%@F2C_INTEGER@%$F2C_INTEGER%g
 s%@F2C_LONGINT@%$F2C_LONGINT%g
-s%@version@%$version%g
+s%@gcc_version@%$gcc_version%g
 s%@host@%$host%g
 s%@host_alias@%$host_alias%g
 s%@host_cpu@%$host_cpu%g
diff --git a/libf2c/configure.in b/libf2c/configure.in
index 291cf21..bd1145f 100644
--- a/libf2c/configure.in
+++ b/libf2c/configure.in
@@ -344,8 +344,17 @@ test -f libI77/makefile && mv libI77/makefile  libI77/makefile.ori
 test -f libU77/makefile && mv libU77/makefile  libU77/makefile.ori
 
 # Get the version number from the toplevel
-version=`sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/' < ${srcdir}/../gcc/version.c`
-AC_SUBST(version)
+if test x${with_gcc_version} = x; then
+  # Try to get the version number from a hopefully existing gcc directory.
+  if test -d ${srcdir}/../gcc; then
+    gcc_version=`sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/' < ${srcdir}/../gcc/version.c`
+  else
+    gcc_version=UNKNOWN
+  fi
+else
+  gcc_version=${with_gcc_version}
+fi
+AC_SUBST(gcc_version)
 AC_CANONICAL_SYSTEM
 AC_SUBST(target_alias)