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「ﾗﾌﾞｴｰｼﾞｪﾝﾄ」です。 お客様はすでに仮登録状態にあります。登録を続けるには下記ｱﾄﾞﾚｽにｱｸｾｽしてください。 今なら特別に1000円分の無料ﾎﾟｲﾝﾄがついてます！ http://www.007love.jp/reg/regUsr.php/MCZ8fCU0tvPRvObgg 本ﾒｰﾙはﾗﾌﾞｴｰｼﾞｪﾝﾄに仮登録された方に送らせていただいております。 覚えのない方はお手数ですが削除してください。 [EMAIL PROTECTED] ___ http://lists.gnu.org/mailman/listinfo/libtool
Problem with LT 1.5.12: -pthread
It looks like LT 1.5.12 changed some behavior with respect to the
-pthread flag and the GNU compilers. Here's a snipit of output from
building my project (using AM + LT):
/bin/sh ../../../libtool --mode=link g++ -g -Wall -Wundef
-Wno-long-long -finline-functions -pthread -export-dynamic -o
ompi_info components.o ompi_info.o output.o param.o version.o
../../../src/libmpi.la
# So far, so good -- this is pretty normal.
mkdir .libs
# Also so far, so good.
g++ -g -Wall -Wundef -Wno-long-long -finline-functions -o ompi_info
components.o ompi_info.o output.o param.o version.o
-Wl,--export-dynamic ../../../src/.libs/libmpi.a -ldl
# Whoa! What happened to -pthread?
From here, I get lots of [expected] messages about missing pthread
symbols. This is somewhat of a Big Problem; it did not happen with
1.5.10 -- meaning that -pthead was passed down to the final link in
(ditto for LT <1.5.10 that I can remember).
What happened?
--
{+} Jeff Squyres
{+} [EMAIL PROTECTED]
{+} http://www.lam-mpi.org/
___
http://lists.gnu.org/mailman/listinfo/libtool
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「ﾗﾌﾞｴｰｼﾞｪﾝﾄ」です。 お客様はすでに仮登録状態にあります。登録を続けるには下記ｱﾄﾞﾚｽにｱｸｾｽしてください。 今なら特別に1000円分の無料ﾎﾟｲﾝﾄがついてます！ http://www.007love.jp/reg/regUsr.php/MCZ8fCU0tvPRvObgg 本ﾒｰﾙはﾗﾌﾞｴｰｼﾞｪﾝﾄに仮登録された方に送らせていただいております。 覚えのない方はお手数ですが削除してください。 [EMAIL PROTECTED] ___ http://lists.gnu.org/mailman/listinfo/libtool
Re: Problem with LT 1.5.12: -pthread
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Jeff Squyres wrote: | | From here, I get lots of [expected] messages about missing pthread | symbols. This is somewhat of a Big Problem; it did not happen with | 1.5.10 -- meaning that -pthead was passed down to the final link in | (ditto for LT <1.5.10 that I can remember). | | What happened? | I broke it :( I applied the attached patch to the branch last night. The ltmain.in bit should apply to your ltmain.sh too. Opinions on how badly broken this is are welcome, perhaps I need to release a 1.5.14? :(( Peter - -- Peter O'Gorman - http://www.pogma.com -BEGIN PGP SIGNATURE- Version: GnuPG v1.2.6 (Darwin) iQCVAwUBQgg5fLiDAg3OZTLPAQKvpgP+Kwk7tSTDicU5k7fd0NUgNAqmqUUNeTux lbY02iohCZJyXoUOSc1b96N+kl7JQo1eMUsTX9RUV+hViXKc6BlUpWhy58OsDGMl TdQ0B4izFqz2d7RLP1q5iTvXe3UKHsfzyGHl+z0f0A/lO2ECN8i8rdhlUOfDJMuN RsXSPOpnD/I= =bLom -END PGP SIGNATURE- Index: ChangeLog 2005-02-07 Peter O'Gorman <[EMAIL PROTECTED]> * ltmain.in: Add -pthread like flags when linking executables too. Reported by Andreas Schwab <[EMAIL PROTECTED]> Index: ltmain.in === RCS file: /cvsroot/libtool/libtool/Attic/ltmain.in,v retrieving revision 1.334.2.60 diff -u -3 -p -u -r1.334.2.60 ltmain.in --- ltmain.in 5 Feb 2005 13:59:47 - 1.334.2.60 +++ ltmain.in 7 Feb 2005 14:02:09 - @@ -1525,6 +1525,8 @@ EOF -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe) compiler_flags="$compiler_flags $arg" + compile_command="$compile_command $arg" + finalize_command="$finalize_command $arg" continue ;; ___ http://lists.gnu.org/mailman/listinfo/libtool
Re: Problem with LT 1.5.12: -pthread
I would clearly vote for it. :D
I think that any project that uses AM+LT for compiling multi-threaded
applications that uses any of those flags will fail to link properly,
right? And these flags (-pthread, -mt, etc.) are typically the
recommended method of compiling / linking multi-threaded applications.
So I'd say that it's probably a pretty big problem. :-\
On Feb 7, 2005, at 11:01 PM, Peter O'Gorman wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Jeff Squyres wrote:
|
| From here, I get lots of [expected] messages about missing pthread
| symbols. This is somewhat of a Big Problem; it did not happen with
| 1.5.10 -- meaning that -pthead was passed down to the final link in
| (ditto for LT <1.5.10 that I can remember).
|
| What happened?
|
I broke it :(
I applied the attached patch to the branch last night. The ltmain.in
bit
should apply to your ltmain.sh too.
Opinions on how badly broken this is are welcome, perhaps I need to
release
a 1.5.14? :((
Peter
- --
Peter O'Gorman - http://www.pogma.com
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Index: ChangeLog
2005-02-07 Peter O'Gorman <[EMAIL PROTECTED]>
* ltmain.in: Add -pthread like flags when linking executables too.
Reported by Andreas Schwab <[EMAIL PROTECTED]>
Index: ltmain.in
===
RCS file: /cvsroot/libtool/libtool/Attic/ltmain.in,v
retrieving revision 1.334.2.60
diff -u -3 -p -u -r1.334.2.60 ltmain.in
--- ltmain.in 5 Feb 2005 13:59:47 - 1.334.2.60
+++ ltmain.in 7 Feb 2005 14:02:09 -
@@ -1525,6 +1525,8 @@ EOF
-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe)
compiler_flags="$compiler_flags $arg"
+ compile_command="$compile_command $arg"
+ finalize_command="$finalize_command $arg"
continue
;;
--
{+} Jeff Squyres
{+} [EMAIL PROTECTED]
{+} http://www.lam-mpi.org/
___
http://lists.gnu.org/mailman/listinfo/libtool
Re: Problem with LT 1.5.12: -pthread
Jeff Squyres wrote: I think that any project that uses AM+LT for compiling multi-threaded applications that uses any of those flags will fail to link properly, right? And these flags (-pthread, -mt, etc.) are typically the recommended method of compiling / linking multi-threaded applications. It might even be worse than that... there are a number of applications that link to libraries that use threads (SleepyCat DB being a major one), and breaking that linking would be even worse :-( ___ http://lists.gnu.org/mailman/listinfo/libtool
Re: Problem with LT 1.5.12: -pthread
On Mon, 7 Feb 2005, Jeff Squyres wrote:
I would clearly vote for it. :D
I think that any project that uses AM+LT for compiling multi-threaded
applications that uses any of those flags will fail to link properly, right?
And these flags (-pthread, -mt, etc.) are typically the recommended method of
compiling / linking multi-threaded applications.
So I'd say that it's probably a pretty big problem. :-\
I must agree. Some operating systems like Solaris will still
successfuly link the program/library but any pthread locks will be
stubbed out as NOPs. This is due to using weak linkage. :-(
Bob
On Feb 7, 2005, at 11:01 PM, Peter O'Gorman wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Jeff Squyres wrote:
|
| From here, I get lots of [expected] messages about missing pthread
| symbols. This is somewhat of a Big Problem; it did not happen with
| 1.5.10 -- meaning that -pthead was passed down to the final link in
| (ditto for LT <1.5.10 that I can remember).
|
| What happened?
|
I broke it :(
I applied the attached patch to the branch last night. The ltmain.in bit
should apply to your ltmain.sh too.
Opinions on how badly broken this is are welcome, perhaps I need to
release
a 1.5.14? :((
Peter
- --
Peter O'Gorman - http://www.pogma.com
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.2.6 (Darwin)
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RsXSPOpnD/I=
=bLom
-END PGP SIGNATURE-
Index: ChangeLog
2005-02-07 Peter O'Gorman <[EMAIL PROTECTED]>
* ltmain.in: Add -pthread like flags when linking executables too.
Reported by Andreas Schwab <[EMAIL PROTECTED]>
Index: ltmain.in
===
RCS file: /cvsroot/libtool/libtool/Attic/ltmain.in,v
retrieving revision 1.334.2.60
diff -u -3 -p -u -r1.334.2.60 ltmain.in
--- ltmain.in 5 Feb 2005 13:59:47 - 1.334.2.60
+++ ltmain.in 7 Feb 2005 14:02:09 -
@@ -1525,6 +1525,8 @@ EOF
-mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe)
compiler_flags="$compiler_flags $arg"
+ compile_command="$compile_command $arg"
+ finalize_command="$finalize_command $arg"
continue
;;
--
{+} Jeff Squyres
{+} [EMAIL PROTECTED]
{+} http://www.lam-mpi.org/
___
http://lists.gnu.org/mailman/listinfo/libtool
==
Bob Friesenhahn
[EMAIL PROTECTED]
http://www.simplesystems.org/users/bfriesen
___
http://lists.gnu.org/mailman/listinfo/libtool
Re: Problem with LT 1.5.12: -pthread
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Lots of people wrote: | On Mon, 7 Feb 2005, Jeff Squyres wrote: | |> I would clearly vote for it. :D Okay, first note that the problem is that libtool-1.5.12 does not pass on - -pthread to the compiler/linker when building executables, it does pass it on when building libraries. Second, note that I will release another libtool either on Friday or Saturday this week. Please ensure that the stable branch works as expected on your systems. Embarrassedly, Peter - -- Peter O'Gorman - http://www.pogma.com -BEGIN PGP SIGNATURE- Version: GnuPG v1.2.6 (Darwin) iQCVAwUBQghGwbiDAg3OZTLPAQLfzAP/aq2AR9fSYxhIMy61bXEN1kOmJz54CoD+ UNSpVPhxODOMdA7ANsQFQK3dQOqofVihqUPWyyUtFN5G2SNg9SQogEwr1j2CmsTH hMVdvOp33QVmogD6jzYLXUoqFvAUNDYNi+ZegWmYv/V0ljMwwkxUGHONJ6WfsGcv A5eS3bHSsVw= =hFCm -END PGP SIGNATURE- ___ http://lists.gnu.org/mailman/listinfo/libtool
