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[PATCH][RFC] Enable LFS support for libcpp and gcc


This patch enables large-file support for libcpp and gcc.  This is
to fix errors from [lf]stat calls on pipes and files with inode
numbers bigger than 32bit which do not fit in the 32bit stat structure
when running 32bit binaries on a 64bit kernel.  We experience such
problems regularly on long-running machines with tmpfs and pipefs
on linux which both use "unique" inode numbers on these filesystems
by bumping a 64bit value.

All libiberty, libgfortran and libstdc++ enable LFS support already.

Bootstrapped and tested on x86_64-unknown-linux-gnu and i586-pc-linux-gnu.

Comments?  Ok for trunk?

Thanks,
Richard.


2009-02-12  Richard Guenther  <rguenther@suse.de>

	* configure.ac: Enable LFS.
	* configure: Re-generate.
	* config.in: Likewise.

	libcpp/
	* configure.ac: Enable LFS.
	* configure: Re-generate.
	* config.in: Likewise.

Index: gcc/configure.ac
===================================================================
*** gcc/configure.ac	(revision 144104)
--- gcc/configure.ac	(working copy)
*************** AC_CHECK_SIZEOF(long)
*** 311,316 ****
--- 311,318 ----
  AC_CHECK_TYPES([long long], [AC_CHECK_SIZEOF(long long)])
  AC_CHECK_TYPES([__int64], [AC_CHECK_SIZEOF(__int64)])
  
+ AC_SYS_LARGEFILE
+ 
  # ---------------------
  # Warnings and checking
  # ---------------------
Index: gcc/configure
===================================================================
*** gcc/configure	(revision 144104)
--- gcc/configure	(working copy)
*************** Optional Features:
*** 1028,1033 ****
--- 1028,1034 ----
                            put copies of generated files in source dir
                            intended for creating source tarballs for users
                            without texinfo bison or flex.
+   --disable-largefile     omit support for large files
    --enable-werror-always  enable -Werror despite compiler version
    --enable-checking=LIST
  			  enable expensive run-time checks.  With LIST,
*************** _ACEOF
*** 7021,7026 ****
--- 7022,7392 ----
  fi
  
  
+ # Check whether --enable-largefile or --disable-largefile was given.
+ if test "${enable_largefile+set}" = set; then
+   enableval="$enable_largefile"
+ 
+ fi;
+ if test "$enable_largefile" != no; then
+ 
+   echo "$as_me:$LINENO: checking for special C compiler options needed for large files" >&5
+ echo $ECHO_N "checking for special C compiler options needed for large files... $ECHO_C" >&6
+ if test "${ac_cv_sys_largefile_CC+set}" = set; then
+   echo $ECHO_N "(cached) $ECHO_C" >&6
+ else
+   ac_cv_sys_largefile_CC=no
+      if test "$GCC" != yes; then
+        ac_save_CC=$CC
+        while :; do
+      	 # IRIX 6.2 and later do not support large files by default,
+      	 # so use the C compiler's -n32 option if that helps.
+ 	 cat >conftest.$ac_ext <<_ACEOF
+ /* confdefs.h.  */
+ _ACEOF
+ cat confdefs.h >>conftest.$ac_ext
+ cat >>conftest.$ac_ext <<_ACEOF
+ /* end confdefs.h.  */
+ #include <sys/types.h>
+  /* Check that off_t can represent 2**63 - 1 correctly.
+     We can't simply define LARGE_OFF_T to be 9223372036854775807,
+     since some C++ compilers masquerading as C compilers
+     incorrectly reject 9223372036854775807.  */
+ #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ 		       && LARGE_OFF_T % 2147483647 == 1)
+ 		      ? 1 : -1];
+ int
+ main ()
+ {
+ 
+   ;
+   return 0;
+ }
+ _ACEOF
+      	 rm -f conftest.$ac_objext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+   (eval $ac_compile) 2>conftest.er1
+   ac_status=$?
+   grep -v '^ *+' conftest.er1 >conftest.err
+   rm -f conftest.er1
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } &&
+ 	 { ac_try='test -z "$ac_c_werror_flag"
+ 			 || test ! -s conftest.err'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; } &&
+ 	 { ac_try='test -s conftest.$ac_objext'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; }; then
+   break
+ else
+   echo "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+ 
+ fi
+ rm -f conftest.err conftest.$ac_objext
+      	 CC="$CC -n32"
+      	 rm -f conftest.$ac_objext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+   (eval $ac_compile) 2>conftest.er1
+   ac_status=$?
+   grep -v '^ *+' conftest.er1 >conftest.err
+   rm -f conftest.er1
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } &&
+ 	 { ac_try='test -z "$ac_c_werror_flag"
+ 			 || test ! -s conftest.err'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; } &&
+ 	 { ac_try='test -s conftest.$ac_objext'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; }; then
+   ac_cv_sys_largefile_CC=' -n32'; break
+ else
+   echo "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+ 
+ fi
+ rm -f conftest.err conftest.$ac_objext
+ 	 break
+        done
+        CC=$ac_save_CC
+        rm -f conftest.$ac_ext
+     fi
+ fi
+ echo "$as_me:$LINENO: result: $ac_cv_sys_largefile_CC" >&5
+ echo "${ECHO_T}$ac_cv_sys_largefile_CC" >&6
+   if test "$ac_cv_sys_largefile_CC" != no; then
+     CC=$CC$ac_cv_sys_largefile_CC
+   fi
+ 
+   echo "$as_me:$LINENO: checking for _FILE_OFFSET_BITS value needed for large files" >&5
+ echo $ECHO_N "checking for _FILE_OFFSET_BITS value needed for large files... $ECHO_C" >&6
+ if test "${ac_cv_sys_file_offset_bits+set}" = set; then
+   echo $ECHO_N "(cached) $ECHO_C" >&6
+ else
+   while :; do
+   ac_cv_sys_file_offset_bits=no
+   cat >conftest.$ac_ext <<_ACEOF
+ /* confdefs.h.  */
+ _ACEOF
+ cat confdefs.h >>conftest.$ac_ext
+ cat >>conftest.$ac_ext <<_ACEOF
+ /* end confdefs.h.  */
+ #include <sys/types.h>
+  /* Check that off_t can represent 2**63 - 1 correctly.
+     We can't simply define LARGE_OFF_T to be 9223372036854775807,
+     since some C++ compilers masquerading as C compilers
+     incorrectly reject 9223372036854775807.  */
+ #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ 		       && LARGE_OFF_T % 2147483647 == 1)
+ 		      ? 1 : -1];
+ int
+ main ()
+ {
+ 
+   ;
+   return 0;
+ }
+ _ACEOF
+ rm -f conftest.$ac_objext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+   (eval $ac_compile) 2>conftest.er1
+   ac_status=$?
+   grep -v '^ *+' conftest.er1 >conftest.err
+   rm -f conftest.er1
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } &&
+ 	 { ac_try='test -z "$ac_c_werror_flag"
+ 			 || test ! -s conftest.err'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; } &&
+ 	 { ac_try='test -s conftest.$ac_objext'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; }; then
+   break
+ else
+   echo "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+ 
+ fi
+ rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+   cat >conftest.$ac_ext <<_ACEOF
+ /* confdefs.h.  */
+ _ACEOF
+ cat confdefs.h >>conftest.$ac_ext
+ cat >>conftest.$ac_ext <<_ACEOF
+ /* end confdefs.h.  */
+ #define _FILE_OFFSET_BITS 64
+ #include <sys/types.h>
+  /* Check that off_t can represent 2**63 - 1 correctly.
+     We can't simply define LARGE_OFF_T to be 9223372036854775807,
+     since some C++ compilers masquerading as C compilers
+     incorrectly reject 9223372036854775807.  */
+ #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ 		       && LARGE_OFF_T % 2147483647 == 1)
+ 		      ? 1 : -1];
+ int
+ main ()
+ {
+ 
+   ;
+   return 0;
+ }
+ _ACEOF
+ rm -f conftest.$ac_objext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+   (eval $ac_compile) 2>conftest.er1
+   ac_status=$?
+   grep -v '^ *+' conftest.er1 >conftest.err
+   rm -f conftest.er1
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } &&
+ 	 { ac_try='test -z "$ac_c_werror_flag"
+ 			 || test ! -s conftest.err'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; } &&
+ 	 { ac_try='test -s conftest.$ac_objext'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; }; then
+   ac_cv_sys_file_offset_bits=64; break
+ else
+   echo "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+ 
+ fi
+ rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+   break
+ done
+ fi
+ echo "$as_me:$LINENO: result: $ac_cv_sys_file_offset_bits" >&5
+ echo "${ECHO_T}$ac_cv_sys_file_offset_bits" >&6
+ if test "$ac_cv_sys_file_offset_bits" != no; then
+ 
+ cat >>confdefs.h <<_ACEOF
+ #define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits
+ _ACEOF
+ 
+ fi
+ rm -f conftest*
+   echo "$as_me:$LINENO: checking for _LARGE_FILES value needed for large files" >&5
+ echo $ECHO_N "checking for _LARGE_FILES value needed for large files... $ECHO_C" >&6
+ if test "${ac_cv_sys_large_files+set}" = set; then
+   echo $ECHO_N "(cached) $ECHO_C" >&6
+ else
+   while :; do
+   ac_cv_sys_large_files=no
+   cat >conftest.$ac_ext <<_ACEOF
+ /* confdefs.h.  */
+ _ACEOF
+ cat confdefs.h >>conftest.$ac_ext
+ cat >>conftest.$ac_ext <<_ACEOF
+ /* end confdefs.h.  */
+ #include <sys/types.h>
+  /* Check that off_t can represent 2**63 - 1 correctly.
+     We can't simply define LARGE_OFF_T to be 9223372036854775807,
+     since some C++ compilers masquerading as C compilers
+     incorrectly reject 9223372036854775807.  */
+ #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ 		       && LARGE_OFF_T % 2147483647 == 1)
+ 		      ? 1 : -1];
+ int
+ main ()
+ {
+ 
+   ;
+   return 0;
+ }
+ _ACEOF
+ rm -f conftest.$ac_objext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+   (eval $ac_compile) 2>conftest.er1
+   ac_status=$?
+   grep -v '^ *+' conftest.er1 >conftest.err
+   rm -f conftest.er1
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } &&
+ 	 { ac_try='test -z "$ac_c_werror_flag"
+ 			 || test ! -s conftest.err'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; } &&
+ 	 { ac_try='test -s conftest.$ac_objext'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; }; then
+   break
+ else
+   echo "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+ 
+ fi
+ rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+   cat >conftest.$ac_ext <<_ACEOF
+ /* confdefs.h.  */
+ _ACEOF
+ cat confdefs.h >>conftest.$ac_ext
+ cat >>conftest.$ac_ext <<_ACEOF
+ /* end confdefs.h.  */
+ #define _LARGE_FILES 1
+ #include <sys/types.h>
+  /* Check that off_t can represent 2**63 - 1 correctly.
+     We can't simply define LARGE_OFF_T to be 9223372036854775807,
+     since some C++ compilers masquerading as C compilers
+     incorrectly reject 9223372036854775807.  */
+ #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ 		       && LARGE_OFF_T % 2147483647 == 1)
+ 		      ? 1 : -1];
+ int
+ main ()
+ {
+ 
+   ;
+   return 0;
+ }
+ _ACEOF
+ rm -f conftest.$ac_objext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+   (eval $ac_compile) 2>conftest.er1
+   ac_status=$?
+   grep -v '^ *+' conftest.er1 >conftest.err
+   rm -f conftest.er1
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } &&
+ 	 { ac_try='test -z "$ac_c_werror_flag"
+ 			 || test ! -s conftest.err'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; } &&
+ 	 { ac_try='test -s conftest.$ac_objext'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; }; then
+   ac_cv_sys_large_files=1; break
+ else
+   echo "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+ 
+ fi
+ rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+   break
+ done
+ fi
+ echo "$as_me:$LINENO: result: $ac_cv_sys_large_files" >&5
+ echo "${ECHO_T}$ac_cv_sys_large_files" >&6
+ if test "$ac_cv_sys_large_files" != no; then
+ 
+ cat >>confdefs.h <<_ACEOF
+ #define _LARGE_FILES $ac_cv_sys_large_files
+ _ACEOF
+ 
+ fi
+ rm -f conftest*
+ fi
+ 
+ 
  # ---------------------
  # Warnings and checking
  # ---------------------
*************** if test "${lt_cv_nm_interface+set}" = se
*** 14509,14521 ****
  else
    lt_cv_nm_interface="BSD nm"
    echo "int some_variable = 0;" > conftest.$ac_ext
!   (eval echo "\"\$as_me:14512: $ac_compile\"" >&5)
    (eval "$ac_compile" 2>conftest.err)
    cat conftest.err >&5
!   (eval echo "\"\$as_me:14515: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
    (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
    cat conftest.err >&5
!   (eval echo "\"\$as_me:14518: output\"" >&5)
    cat conftest.out >&5
    if $GREP 'External.*some_variable' conftest.out > /dev/null; then
      lt_cv_nm_interface="MS dumpbin"
--- 14875,14887 ----
  else
    lt_cv_nm_interface="BSD nm"
    echo "int some_variable = 0;" > conftest.$ac_ext
!   (eval echo "\"\$as_me:14878: $ac_compile\"" >&5)
    (eval "$ac_compile" 2>conftest.err)
    cat conftest.err >&5
!   (eval echo "\"\$as_me:14881: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
    (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
    cat conftest.err >&5
!   (eval echo "\"\$as_me:14884: output\"" >&5)
    cat conftest.out >&5
    if $GREP 'External.*some_variable' conftest.out > /dev/null; then
      lt_cv_nm_interface="MS dumpbin"
*************** ia64-*-hpux*)
*** 15672,15678 ****
    ;;
  *-*-irix6*)
    # Find out which ABI we are using.
!   echo '#line 15675 "configure"' > conftest.$ac_ext
    if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
    (eval $ac_compile) 2>&5
    ac_status=$?
--- 16038,16044 ----
    ;;
  *-*-irix6*)
    # Find out which ABI we are using.
!   echo '#line 16041 "configure"' > conftest.$ac_ext
    if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
    (eval $ac_compile) 2>&5
    ac_status=$?
*************** else
*** 16971,16981 ****
     -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
     -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
     -e 's:$: $lt_compiler_flag:'`
!    (eval echo "\"\$as_me:16974: $lt_compile\"" >&5)
     (eval "$lt_compile" 2>conftest.err)
     ac_status=$?
     cat conftest.err >&5
!    echo "$as_me:16978: \$? = $ac_status" >&5
     if (exit $ac_status) && test -s "$ac_outfile"; then
       # The compiler can only warn and ignore the option if not recognized
       # So say no if there are warnings other than the usual output.
--- 17337,17347 ----
     -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
     -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
     -e 's:$: $lt_compiler_flag:'`
!    (eval echo "\"\$as_me:17340: $lt_compile\"" >&5)
     (eval "$lt_compile" 2>conftest.err)
     ac_status=$?
     cat conftest.err >&5
!    echo "$as_me:17344: \$? = $ac_status" >&5
     if (exit $ac_status) && test -s "$ac_outfile"; then
       # The compiler can only warn and ignore the option if not recognized
       # So say no if there are warnings other than the usual output.
*************** else
*** 17310,17320 ****
     -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
     -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
     -e 's:$: $lt_compiler_flag:'`
!    (eval echo "\"\$as_me:17313: $lt_compile\"" >&5)
     (eval "$lt_compile" 2>conftest.err)
     ac_status=$?
     cat conftest.err >&5
!    echo "$as_me:17317: \$? = $ac_status" >&5
     if (exit $ac_status) && test -s "$ac_outfile"; then
       # The compiler can only warn and ignore the option if not recognized
       # So say no if there are warnings other than the usual output.
--- 17676,17686 ----
     -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
     -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
     -e 's:$: $lt_compiler_flag:'`
!    (eval echo "\"\$as_me:17679: $lt_compile\"" >&5)
     (eval "$lt_compile" 2>conftest.err)
     ac_status=$?
     cat conftest.err >&5
!    echo "$as_me:17683: \$? = $ac_status" >&5
     if (exit $ac_status) && test -s "$ac_outfile"; then
       # The compiler can only warn and ignore the option if not recognized
       # So say no if there are warnings other than the usual output.
*************** else
*** 17415,17425 ****
     -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
     -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
     -e 's:$: $lt_compiler_flag:'`
!    (eval echo "\"\$as_me:17418: $lt_compile\"" >&5)
     (eval "$lt_compile" 2>out/conftest.err)
     ac_status=$?
     cat out/conftest.err >&5
!    echo "$as_me:17422: \$? = $ac_status" >&5
     if (exit $ac_status) && test -s out/conftest2.$ac_objext
     then
       # The compiler can only warn and ignore the option if not recognized
--- 17781,17791 ----
     -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
     -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
     -e 's:$: $lt_compiler_flag:'`
!    (eval echo "\"\$as_me:17784: $lt_compile\"" >&5)
     (eval "$lt_compile" 2>out/conftest.err)
     ac_status=$?
     cat out/conftest.err >&5
!    echo "$as_me:17788: \$? = $ac_status" >&5
     if (exit $ac_status) && test -s out/conftest2.$ac_objext
     then
       # The compiler can only warn and ignore the option if not recognized
*************** else
*** 17470,17480 ****
     -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
     -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
     -e 's:$: $lt_compiler_flag:'`
!    (eval echo "\"\$as_me:17473: $lt_compile\"" >&5)
     (eval "$lt_compile" 2>out/conftest.err)
     ac_status=$?
     cat out/conftest.err >&5
!    echo "$as_me:17477: \$? = $ac_status" >&5
     if (exit $ac_status) && test -s out/conftest2.$ac_objext
     then
       # The compiler can only warn and ignore the option if not recognized
--- 17836,17846 ----
     -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
     -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
     -e 's:$: $lt_compiler_flag:'`
!    (eval echo "\"\$as_me:17839: $lt_compile\"" >&5)
     (eval "$lt_compile" 2>out/conftest.err)
     ac_status=$?
     cat out/conftest.err >&5
!    echo "$as_me:17843: \$? = $ac_status" >&5
     if (exit $ac_status) && test -s out/conftest2.$ac_objext
     then
       # The compiler can only warn and ignore the option if not recognized
*************** else
*** 20282,20288 ****
    lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
    lt_status=$lt_dlunknown
    cat > conftest.$ac_ext <<_LT_EOF
! #line 20285 "configure"
  #include "confdefs.h"
  
  #if HAVE_DLFCN_H
--- 20648,20654 ----
    lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
    lt_status=$lt_dlunknown
    cat > conftest.$ac_ext <<_LT_EOF
! #line 20651 "configure"
  #include "confdefs.h"
  
  #if HAVE_DLFCN_H
*************** else
*** 20378,20384 ****
    lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
    lt_status=$lt_dlunknown
    cat > conftest.$ac_ext <<_LT_EOF
! #line 20381 "configure"
  #include "confdefs.h"
  
  #if HAVE_DLFCN_H
--- 20744,20750 ----
    lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
    lt_status=$lt_dlunknown
    cat > conftest.$ac_ext <<_LT_EOF
! #line 20747 "configure"
  #include "confdefs.h"
  
  #if HAVE_DLFCN_H
Index: gcc/config.in
===================================================================
*** gcc/config.in	(revision 144104)
--- gcc/config.in	(working copy)
***************
*** 1506,1511 ****
--- 1506,1523 ----
  #endif
  
  
+ /* Number of bits in a file offset, on hosts where this is settable. */
+ #ifndef USED_FOR_TARGET
+ #undef _FILE_OFFSET_BITS
+ #endif
+ 
+ 
+ /* Define for large files, on AIX-style hosts. */
+ #ifndef USED_FOR_TARGET
+ #undef _LARGE_FILES
+ #endif
+ 
+ 
  /* Define to 1 if on MINIX. */
  #ifndef USED_FOR_TARGET
  #undef _MINIX
Index: libcpp/configure
===================================================================
*** libcpp/configure	(revision 144104)
--- libcpp/configure	(working copy)
*************** Optional Features:
*** 851,856 ****
--- 851,857 ----
    --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
    --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
    --enable-werror-always  enable -Werror despite compiler version
+   --disable-largefile     omit support for large files
    --disable-rpath         do not hardcode runtime library paths
    --enable-maintainer-mode enable rules only needed by maintainers
    --enable-checking      enable expensive run-time checks
*************** _ACEOF
*** 7309,7314 ****
--- 7310,7679 ----
  
  fi
  
+ # Check whether --enable-largefile or --disable-largefile was given.
+ if test "${enable_largefile+set}" = set; then
+   enableval="$enable_largefile"
+ 
+ fi;
+ if test "$enable_largefile" != no; then
+ 
+   echo "$as_me:$LINENO: checking for special C compiler options needed for large files" >&5
+ echo $ECHO_N "checking for special C compiler options needed for large files... $ECHO_C" >&6
+ if test "${ac_cv_sys_largefile_CC+set}" = set; then
+   echo $ECHO_N "(cached) $ECHO_C" >&6
+ else
+   ac_cv_sys_largefile_CC=no
+      if test "$GCC" != yes; then
+        ac_save_CC=$CC
+        while :; do
+      	 # IRIX 6.2 and later do not support large files by default,
+      	 # so use the C compiler's -n32 option if that helps.
+ 	 cat >conftest.$ac_ext <<_ACEOF
+ /* confdefs.h.  */
+ _ACEOF
+ cat confdefs.h >>conftest.$ac_ext
+ cat >>conftest.$ac_ext <<_ACEOF
+ /* end confdefs.h.  */
+ #include <sys/types.h>
+  /* Check that off_t can represent 2**63 - 1 correctly.
+     We can't simply define LARGE_OFF_T to be 9223372036854775807,
+     since some C++ compilers masquerading as C compilers
+     incorrectly reject 9223372036854775807.  */
+ #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ 		       && LARGE_OFF_T % 2147483647 == 1)
+ 		      ? 1 : -1];
+ int
+ main ()
+ {
+ 
+   ;
+   return 0;
+ }
+ _ACEOF
+      	 rm -f conftest.$ac_objext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+   (eval $ac_compile) 2>conftest.er1
+   ac_status=$?
+   grep -v '^ *+' conftest.er1 >conftest.err
+   rm -f conftest.er1
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } &&
+ 	 { ac_try='test -z "$ac_c_werror_flag"
+ 			 || test ! -s conftest.err'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; } &&
+ 	 { ac_try='test -s conftest.$ac_objext'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; }; then
+   break
+ else
+   echo "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+ 
+ fi
+ rm -f conftest.err conftest.$ac_objext
+      	 CC="$CC -n32"
+      	 rm -f conftest.$ac_objext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+   (eval $ac_compile) 2>conftest.er1
+   ac_status=$?
+   grep -v '^ *+' conftest.er1 >conftest.err
+   rm -f conftest.er1
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } &&
+ 	 { ac_try='test -z "$ac_c_werror_flag"
+ 			 || test ! -s conftest.err'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; } &&
+ 	 { ac_try='test -s conftest.$ac_objext'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; }; then
+   ac_cv_sys_largefile_CC=' -n32'; break
+ else
+   echo "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+ 
+ fi
+ rm -f conftest.err conftest.$ac_objext
+ 	 break
+        done
+        CC=$ac_save_CC
+        rm -f conftest.$ac_ext
+     fi
+ fi
+ echo "$as_me:$LINENO: result: $ac_cv_sys_largefile_CC" >&5
+ echo "${ECHO_T}$ac_cv_sys_largefile_CC" >&6
+   if test "$ac_cv_sys_largefile_CC" != no; then
+     CC=$CC$ac_cv_sys_largefile_CC
+   fi
+ 
+   echo "$as_me:$LINENO: checking for _FILE_OFFSET_BITS value needed for large files" >&5
+ echo $ECHO_N "checking for _FILE_OFFSET_BITS value needed for large files... $ECHO_C" >&6
+ if test "${ac_cv_sys_file_offset_bits+set}" = set; then
+   echo $ECHO_N "(cached) $ECHO_C" >&6
+ else
+   while :; do
+   ac_cv_sys_file_offset_bits=no
+   cat >conftest.$ac_ext <<_ACEOF
+ /* confdefs.h.  */
+ _ACEOF
+ cat confdefs.h >>conftest.$ac_ext
+ cat >>conftest.$ac_ext <<_ACEOF
+ /* end confdefs.h.  */
+ #include <sys/types.h>
+  /* Check that off_t can represent 2**63 - 1 correctly.
+     We can't simply define LARGE_OFF_T to be 9223372036854775807,
+     since some C++ compilers masquerading as C compilers
+     incorrectly reject 9223372036854775807.  */
+ #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ 		       && LARGE_OFF_T % 2147483647 == 1)
+ 		      ? 1 : -1];
+ int
+ main ()
+ {
+ 
+   ;
+   return 0;
+ }
+ _ACEOF
+ rm -f conftest.$ac_objext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+   (eval $ac_compile) 2>conftest.er1
+   ac_status=$?
+   grep -v '^ *+' conftest.er1 >conftest.err
+   rm -f conftest.er1
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } &&
+ 	 { ac_try='test -z "$ac_c_werror_flag"
+ 			 || test ! -s conftest.err'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; } &&
+ 	 { ac_try='test -s conftest.$ac_objext'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; }; then
+   break
+ else
+   echo "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+ 
+ fi
+ rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+   cat >conftest.$ac_ext <<_ACEOF
+ /* confdefs.h.  */
+ _ACEOF
+ cat confdefs.h >>conftest.$ac_ext
+ cat >>conftest.$ac_ext <<_ACEOF
+ /* end confdefs.h.  */
+ #define _FILE_OFFSET_BITS 64
+ #include <sys/types.h>
+  /* Check that off_t can represent 2**63 - 1 correctly.
+     We can't simply define LARGE_OFF_T to be 9223372036854775807,
+     since some C++ compilers masquerading as C compilers
+     incorrectly reject 9223372036854775807.  */
+ #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ 		       && LARGE_OFF_T % 2147483647 == 1)
+ 		      ? 1 : -1];
+ int
+ main ()
+ {
+ 
+   ;
+   return 0;
+ }
+ _ACEOF
+ rm -f conftest.$ac_objext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+   (eval $ac_compile) 2>conftest.er1
+   ac_status=$?
+   grep -v '^ *+' conftest.er1 >conftest.err
+   rm -f conftest.er1
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } &&
+ 	 { ac_try='test -z "$ac_c_werror_flag"
+ 			 || test ! -s conftest.err'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; } &&
+ 	 { ac_try='test -s conftest.$ac_objext'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; }; then
+   ac_cv_sys_file_offset_bits=64; break
+ else
+   echo "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+ 
+ fi
+ rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+   break
+ done
+ fi
+ echo "$as_me:$LINENO: result: $ac_cv_sys_file_offset_bits" >&5
+ echo "${ECHO_T}$ac_cv_sys_file_offset_bits" >&6
+ if test "$ac_cv_sys_file_offset_bits" != no; then
+ 
+ cat >>confdefs.h <<_ACEOF
+ #define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits
+ _ACEOF
+ 
+ fi
+ rm -f conftest*
+   echo "$as_me:$LINENO: checking for _LARGE_FILES value needed for large files" >&5
+ echo $ECHO_N "checking for _LARGE_FILES value needed for large files... $ECHO_C" >&6
+ if test "${ac_cv_sys_large_files+set}" = set; then
+   echo $ECHO_N "(cached) $ECHO_C" >&6
+ else
+   while :; do
+   ac_cv_sys_large_files=no
+   cat >conftest.$ac_ext <<_ACEOF
+ /* confdefs.h.  */
+ _ACEOF
+ cat confdefs.h >>conftest.$ac_ext
+ cat >>conftest.$ac_ext <<_ACEOF
+ /* end confdefs.h.  */
+ #include <sys/types.h>
+  /* Check that off_t can represent 2**63 - 1 correctly.
+     We can't simply define LARGE_OFF_T to be 9223372036854775807,
+     since some C++ compilers masquerading as C compilers
+     incorrectly reject 9223372036854775807.  */
+ #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ 		       && LARGE_OFF_T % 2147483647 == 1)
+ 		      ? 1 : -1];
+ int
+ main ()
+ {
+ 
+   ;
+   return 0;
+ }
+ _ACEOF
+ rm -f conftest.$ac_objext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+   (eval $ac_compile) 2>conftest.er1
+   ac_status=$?
+   grep -v '^ *+' conftest.er1 >conftest.err
+   rm -f conftest.er1
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } &&
+ 	 { ac_try='test -z "$ac_c_werror_flag"
+ 			 || test ! -s conftest.err'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; } &&
+ 	 { ac_try='test -s conftest.$ac_objext'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; }; then
+   break
+ else
+   echo "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+ 
+ fi
+ rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+   cat >conftest.$ac_ext <<_ACEOF
+ /* confdefs.h.  */
+ _ACEOF
+ cat confdefs.h >>conftest.$ac_ext
+ cat >>conftest.$ac_ext <<_ACEOF
+ /* end confdefs.h.  */
+ #define _LARGE_FILES 1
+ #include <sys/types.h>
+  /* Check that off_t can represent 2**63 - 1 correctly.
+     We can't simply define LARGE_OFF_T to be 9223372036854775807,
+     since some C++ compilers masquerading as C compilers
+     incorrectly reject 9223372036854775807.  */
+ #define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+   int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ 		       && LARGE_OFF_T % 2147483647 == 1)
+ 		      ? 1 : -1];
+ int
+ main ()
+ {
+ 
+   ;
+   return 0;
+ }
+ _ACEOF
+ rm -f conftest.$ac_objext
+ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+   (eval $ac_compile) 2>conftest.er1
+   ac_status=$?
+   grep -v '^ *+' conftest.er1 >conftest.err
+   rm -f conftest.er1
+   cat conftest.err >&5
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } &&
+ 	 { ac_try='test -z "$ac_c_werror_flag"
+ 			 || test ! -s conftest.err'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; } &&
+ 	 { ac_try='test -s conftest.$ac_objext'
+   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+   (eval $ac_try) 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }; }; then
+   ac_cv_sys_large_files=1; break
+ else
+   echo "$as_me: failed program was:" >&5
+ sed 's/^/| /' conftest.$ac_ext >&5
+ 
+ fi
+ rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+   break
+ done
+ fi
+ echo "$as_me:$LINENO: result: $ac_cv_sys_large_files" >&5
+ echo "${ECHO_T}$ac_cv_sys_large_files" >&6
+ if test "$ac_cv_sys_large_files" != no; then
+ 
+ cat >>confdefs.h <<_ACEOF
+ #define _LARGE_FILES $ac_cv_sys_large_files
+ _ACEOF
+ 
+ fi
+ rm -f conftest*
+ fi
+ 
  
    echo "$as_me:$LINENO: checking for nl_langinfo and CODESET" >&5
  echo $ECHO_N "checking for nl_langinfo and CODESET... $ECHO_C" >&6
Index: libcpp/configure.ac
===================================================================
*** libcpp/configure.ac	(revision 144104)
--- libcpp/configure.ac	(working copy)
*************** AC_CHECK_DECLS(m4_split(m4_normalize(abo
*** 62,67 ****
--- 62,68 ----
  # Checks for library functions.
  AC_FUNC_ALLOCA
  AC_HEADER_STDC
+ AC_SYS_LARGEFILE
  AM_LANGINFO_CODESET
  ZW_GNU_GETTEXT_SISTER_DIR
  
Index: libcpp/config.in
===================================================================
*** libcpp/config.in	(revision 144104)
--- libcpp/config.in	(working copy)
***************
*** 266,271 ****
--- 266,277 ----
  /* Define to 1 if your <sys/time.h> declares `struct tm'. */
  #undef TM_IN_SYS_TIME
  
+ /* Number of bits in a file offset, on hosts where this is settable. */
+ #undef _FILE_OFFSET_BITS
+ 
+ /* Define for large files, on AIX-style hosts. */
+ #undef _LARGE_FILES
+ 
  /* Define to empty if `const' does not conform to ANSI C. */
  #undef const
  


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