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Support for response files with $NM.

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* libltdl/m4/libtool.m4 (_LT_CMD_GLOBAL_SYMBOLS)
<nm_file_list_spec>: New tag variable. Set it to '@' if input
files can be passed to $NM in a file named with the '@' option.
* libltdl/config/ltmain.m4sh (func_mode_link): When
nm_file_list_spec is nonempty, use it to avoid skipped_export.
* doc/libtool.texi (libtool script contents): Document
new variable.
This commit is contained in:
Peter Rosin 2010-07-01 11:36:05 +02:00
parent 1e7ce72416
commit 0b56641c03
4 changed files with 43 additions and 2 deletions
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12
ChangeLog
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@ -1,3 +1,15 @@
2010-07-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Peter Rosin <peda@lysator.liu.se>
Support for response files with $NM.
* libltdl/m4/libtool.m4 (_LT_CMD_GLOBAL_SYMBOLS)
<nm_file_list_spec>: New tag variable. Set it to '@' if input
files can be passed to $NM in a file named with the '@' option.
* libltdl/config/ltmain.m4sh (func_mode_link): When
nm_file_list_spec is nonempty, use it to avoid skipped_export.
* doc/libtool.texi (libtool script contents): Document
new variable.
2010-07-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Fix ccache test for MSVC.

4
doc/libtool.texi
View File

@ -6171,6 +6171,10 @@ Whether files must be locked to prevent conflicts when compiling
simultaneously. Set to @samp{yes} or @samp{no}.
@end defvar
@defvar nm_file_list_spec
Specify filename containing input files for @code{NM}.
@end defvar
@defvar no_builtin_flag
Compiler flag to disable builtin functions that conflict with declaring
external global symbols as @code{char}.

20
libltdl/config/ltmain.m4sh
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@ -6719,14 +6719,30 @@ EOF
$opt_dry_run || $RM $export_symbols
cmds=$export_symbols_cmds
save_ifs="$IFS"; IFS='~'
for cmd in $cmds; do
for cmd1 in $cmds; do
IFS="$save_ifs"
eval cmd=\"$cmd\"
eval cmd=\"$cmd1\"
func_len " $cmd"
len=$func_len_result
if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
func_show_eval "$cmd" 'exit $?'
skipped_export=false
elif test -n "$nm_file_list_spec"; then
output_la=`$ECHO "X$output" | $Xsed -e "$basename"`
save_libobjs=$libobjs
save_output=$output
output=${output_objdir}/${output_la}.nm
libobjs=$nm_file_list_spec$output
func_append delfiles " $output"
func_verbose "creating $NM input file list: $output"
for obj in $save_libobjs; do
$ECHO "$obj"
done > "$output"
eval cmd=\"$cmd1\"
func_show_eval "$cmd" 'exit $?'
output=$save_output
libobjs=$save_libobjs
skipped_export=false
else
# The command line is too long to execute in one step.
func_verbose "using reloadable object file for export list..."

9
libltdl/m4/libtool.m4 vendored
View File

@ -3615,6 +3615,13 @@ else
AC_MSG_RESULT(ok)
fi
# Response file support.
if test "$lt_cv_nm_interface" = "MS dumpbin"; then
nm_file_list_spec='@'
elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then
nm_file_list_spec='@'
fi
_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1],
[Take the output of nm and produce a listing of raw symbols and C names])
_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1],
@ -3625,6 +3632,8 @@ _LT_DECL([global_symbol_to_c_name_address],
_LT_DECL([global_symbol_to_c_name_address_lib_prefix],
[lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1],
[Transform the output of nm in a C name address pair when lib prefix is needed])
_LT_DECL([], [nm_file_list_spec], [1],
[Specify filename containing input files for $NM])
]) # _LT_CMD_GLOBAL_SYMBOLS