re PR libobjc/14948 (irix6.5 bootstrap fails in mabi=64/libobjc)

	PR libobjc/14948
	* configure.ac: De-precious CC so multilibs work.
	* configure: Regenerate.

From-SVN: r80724

libobjc/ChangeLog

+2004-04-15  Nathanael Nerode  <neroden@gcc.gnu.org>
+
+	PR libobjc/14948
+	* configure.ac: De-precious CC so multilibs work.
+	* configure: Regenerate.
+
 2004-04-14  Nathanael Nerode  <neroden@gcc.gnu.org>
 
 	* configure.ac: Restore toolexecdir.

libobjc/configure

@@ -309,7 +309,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS VERSION OBJC_BOEHM_GC toplevel_srcdir build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os target_noncanonical glibcpp_srcdir gcc_version toolexecdir toolexeclibdir CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT AS ac_ct_AS AR ac_ct_AR RANLIB ac_ct_RANLIB INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LN_S STRIP ac_ct_STRIP LIBTOOL SET_MAKE CPP EGREP GTHREAD_FLAGS LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS VERSION OBJC_BOEHM_GC toplevel_srcdir build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os target_noncanonical glibcpp_srcdir gcc_version toolexecdir toolexeclibdir CC ac_ct_CC EXEEXT OBJEXT CFLAGS AS ac_ct_AS AR ac_ct_AR RANLIB ac_ct_RANLIB INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LN_S STRIP ac_ct_STRIP LIBTOOL SET_MAKE CPP CPPFLAGS EGREP GTHREAD_FLAGS LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -750,26 +750,14 @@ ac_env_target_alias_set=${target_alias+set}
 ac_env_target_alias_value=$target_alias
 ac_cv_env_target_alias_set=${target_alias+set}
 ac_cv_env_target_alias_value=$target_alias
-ac_env_CC_set=${CC+set}
-ac_env_CC_value=$CC
-ac_cv_env_CC_set=${CC+set}
-ac_cv_env_CC_value=$CC
-ac_env_CFLAGS_set=${CFLAGS+set}
-ac_env_CFLAGS_value=$CFLAGS
-ac_cv_env_CFLAGS_set=${CFLAGS+set}
-ac_cv_env_CFLAGS_value=$CFLAGS
-ac_env_LDFLAGS_set=${LDFLAGS+set}
-ac_env_LDFLAGS_value=$LDFLAGS
-ac_cv_env_LDFLAGS_set=${LDFLAGS+set}
-ac_cv_env_LDFLAGS_value=$LDFLAGS
-ac_env_CPPFLAGS_set=${CPPFLAGS+set}
-ac_env_CPPFLAGS_value=$CPPFLAGS
-ac_cv_env_CPPFLAGS_set=${CPPFLAGS+set}
-ac_cv_env_CPPFLAGS_value=$CPPFLAGS
 ac_env_CPP_set=${CPP+set}
 ac_env_CPP_value=$CPP
 ac_cv_env_CPP_set=${CPP+set}
 ac_cv_env_CPP_value=$CPP
+ac_env_CPPFLAGS_set=${CPPFLAGS+set}
+ac_env_CPPFLAGS_value=$CPPFLAGS
+ac_cv_env_CPPFLAGS_set=${CPPFLAGS+set}
+ac_cv_env_CPPFLAGS_value=$CPPFLAGS
 
 #
 # Report the --help message.
@@ -1587,6 +1575,12 @@ esac
 # --------
 
 
+
+# We must force CC to /not/ be a precious variable; otherwise
+# the wrong, non-multilib-adjusted value will be used in multilibs.
+# As a side effect, we have to subst CFLAGS ourselves.
+
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -2546,6 +2540,9 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
+
+
+
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args.
 set dummy ${ac_tool_prefix}as; ac_word=$2
@@ -3610,7 +3607,7 @@ test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
 case $host in
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 3613 "configure"' > conftest.$ac_ext
+  echo '#line 3610 "configure"' > conftest.$ac_ext
   if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -5605,12 +5602,10 @@ s,@gcc_version@,$gcc_version,;t t
 s,@toolexecdir@,$toolexecdir,;t t
 s,@toolexeclibdir@,$toolexeclibdir,;t t
 s,@CC@,$CC,;t t
-s,@CFLAGS@,$CFLAGS,;t t
-s,@LDFLAGS@,$LDFLAGS,;t t
-s,@CPPFLAGS@,$CPPFLAGS,;t t
 s,@ac_ct_CC@,$ac_ct_CC,;t t
 s,@EXEEXT@,$EXEEXT,;t t
 s,@OBJEXT@,$OBJEXT,;t t
+s,@CFLAGS@,$CFLAGS,;t t
 s,@AS@,$AS,;t t
 s,@ac_ct_AS@,$ac_ct_AS,;t t
 s,@AR@,$AR,;t t
@@ -5626,6 +5621,7 @@ s,@ac_ct_STRIP@,$ac_ct_STRIP,;t t
 s,@LIBTOOL@,$LIBTOOL,;t t
 s,@SET_MAKE@,$SET_MAKE,;t t
 s,@CPP@,$CPP,;t t
+s,@CPPFLAGS@,$CPPFLAGS,;t t
 s,@EGREP@,$EGREP,;t t
 s,@GTHREAD_FLAGS@,$GTHREAD_FLAGS,;t t
 s,@LIBOBJS@,$LIBOBJS,;t t

libobjc/configure.ac

@@ -159,7 +159,16 @@ AC_SUBST(toolexeclibdir)
 # --------
 
 GCC_NO_EXECUTABLES
+
+# We must force CC to /not/ be a precious variable; otherwise
+# the wrong, non-multilib-adjusted value will be used in multilibs.
+# As a side effect, we have to subst CFLAGS ourselves.
+m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
+m4_define([_AC_ARG_VAR_PRECIOUS],[])
 AC_PROG_CC
+m4_rename([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
+
+AC_SUBST(CFLAGS)
 
 AC_CHECK_TOOL(AS, as)
 AC_CHECK_TOOL(AR, ar)