Re: [PATCH] Remember configure's options for later recall

[Phil Edwards <pedwards at disaster dot jaj dot com>]

On Fri, Sep 29, 2000 at 10:04:53AM -0700, Richard Henderson wrote:
> On Fri, Sep 29, 2000 at 11:29:18AM -0400, Phil Edwards wrote:
> > This also gets rid of the duplicate --with's.  Thanks for reminding me.
> 
> Forgotten patch?

Nope, just waiting to see if there were any more comments.



2000-09-29  Phil Edwards  <pme@sources.redhat.com>

	* configure:  Save configure arguments to gcc/configargs.c.
	* gcc/Makefile.in (xgcc,cpp):  Build that file.
	* gcc/gcc.c (main):  Use arguments in '-v' output.


Index: configure
===================================================================
RCS file: /cvs/gcc/egcs/configure,v
retrieving revision 1.28
diff -u -3 -r1.28 configure
--- configure	2000/08/14 18:08:42	1.28
+++ configure	2000/09/29 19:11:48
@@ -400,6 +400,14 @@
 	esac
 done
 
+# Remember configure arguments for later.
+cat > gcc/configargs.c <<EOF
+/* Generated automatically. */
+extern const char * const configuration_arguments;
+const char * const configuration_arguments = "$0 $arguments";
+EOF
+
+
 # process host and target
 
 # Do some error checking and defaulting for the host and target type.
Index: gcc/Makefile.in
===================================================================
RCS file: /cvs/gcc/egcs/gcc/Makefile.in,v
retrieving revision 1.516
diff -u -3 -r1.516 Makefile.in
--- Makefile.in	2000/09/25 22:34:53	1.516
+++ Makefile.in	2000/09/29 19:11:48
@@ -913,17 +913,17 @@
 # to avoid confusion if the current directory is in the path
 # and CC is `gcc'.  It is renamed to `gcc' when it is installed.
 xgcc$(exeext): gcc.o gccspec.o version.o intl.o prefix.o \
-   version.o $(LIBDEPS) $(EXTRA_GCC_OBJS)
+   version.o configargs.o $(LIBDEPS) $(EXTRA_GCC_OBJS)
 	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ gcc.o gccspec.o intl.o \
-	  prefix.o version.o $(EXTRA_GCC_OBJS) $(LIBS)
+	  prefix.o version.o configargs.o $(EXTRA_GCC_OBJS) $(LIBS)
 
 # cpp is to cpp0 as gcc is to cc1.
 # The only difference from xgcc is that it's linked with cppspec.o
 # instead of gccspec.o.
 cpp$(exeext): gcc.o cppspec.o version.o intl.o prefix.o \
-   version.o $(LIBDEPS) $(EXTRA_GCC_OBJS)
+   version.o configargs.o $(LIBDEPS) $(EXTRA_GCC_OBJS)
 	$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ gcc.o cppspec.o intl.o \
-	  prefix.o version.o $(EXTRA_GCC_OBJS) $(LIBS)
+	  prefix.o version.o configargs.o $(EXTRA_GCC_OBJS) $(LIBS)
 
 # Dump a specs file to make -B./ read these specs over installed ones.
 specs: xgcc$(exeext)
@@ -1204,6 +1204,8 @@
 dumpvers: dumpvers.c
 
 version.o: version.c version.h
+
+configargs.o: configargs.c
 
 ggc-common.o: ggc-common.c $(CONFIG_H) $(RTL_H) $(TREE_H) \
 	flags.h $(GGC_H) varray.h hash.h
Index: gcc/gcc.c
===================================================================
RCS file: /cvs/gcc/egcs/gcc/gcc.c,v
retrieving revision 1.169
diff -u -3 -r1.169 gcc.c
--- gcc.c	2000/09/26 17:28:06	1.169
+++ gcc.c	2000/09/29 19:11:49
@@ -5496,7 +5496,10 @@
 
   if (verbose_flag)
     {
+      extern const char * const configuration_arguments;
       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