configure: Save configure arguments to gcc/configargs.h.

* configure: Save configure arguments to gcc/configargs.h.

        * gcc.c (main): Include generated configargs.h header
        and use arguments in '-v' output.

From-SVN: r36734

ChangeLog

@@ -1,3 +1,7 @@
+2000-10-05  Phil Edwards  <pme@gcc.gnu.org>
+
+	* configure: Save configure arguments to gcc/configargs.h.
+
 2000-10-04  Philipp Thomas  <pthomas@suse.de>
 
 	* config.guess: Import CVS version 1.157.

configure

@@ -88,7 +88,7 @@ subdirs=
 target_alias=NOTARGET
 target_makefile_frag=
 undefs=NOUNDEFS
-version="$Revision: 1.27 $"
+version="$Revision: 1.28 $"
 x11=default
 bindir='${exec_prefix}/bin'
 sbindir='${exec_prefix}/sbin'
@@ -400,6 +400,10 @@ do
 	esac
 done
 
+# Remember the pristine configure arguments for later.  $arguments gets
+# built up with further defaults in preparation for recursion.
+original_arguments=$arguments
+
 # process host and target
 
 # Do some error checking and defaulting for the host and target type.
@@ -1600,6 +1604,12 @@ if [ -z "${norecursion}" ] && [ -n "${configdirs}" ] ; then
         done
 fi
 
+# Remember configure arguments for later.
+cat > gcc/configargs.h <<EOF
+/* Generated automatically. */
+static const char configuration_arguments[] = "$original_arguments";
+EOF
+
 # Perform the same cleanup as the trap handler, minus the "exit 1" of course,
 # and reset the trap handler.
 rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos

gcc/ChangeLog

@@ -1,3 +1,8 @@
+2000-10-05  Phil Edwards  <pme@gcc.gnu.org>
+
+	* gcc.c (main): Include generated configargs.h header
+	and use arguments in '-v' output.
+
 Thu Oct  5 16:16:57 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
 	* gcc.c: Move data on prefixes forward in file and reorganize.

gcc/gcc.c

@@ -100,6 +100,9 @@ static char dir_separator_str[] = { DIR_SEPARATOR, 0 };
    to the calling program.  */
 static int pass_exit_codes;
 
+/* Definition of string containing the arguments given to configure.  */
+#include "configargs.h"
+
 /* Flag saying to print the directories gcc will search through looking for
    programs, libraries, etc.  */
 
@@ -5505,6 +5508,8 @@ main (argc, argv)
     {
       int n;
 
+      notice ("Configured with: %s\n", configuration_arguments);
+
       /* compiler_version is truncated at the first space when initialized
 	 from version string, so truncate version_string at the first space
 	 before comparing.  */