crosscompiling dlls (linux-windows)

2001-04-13 Thread Guido Draheim
I did lately try out the newest cvs version of the autotools, and I was amazed that libtool can not create dlls with it. I had been using the libtool-version from the libsdl.org project, and it did work fine. Sam told me, that his changed were not merged into the original libtool project. That's

Re: crosscompiling dll linux-mingw32

2001-04-26 Thread Guido Draheim
Alexandre Oliva wrote: On Apr 26, 2001, Guido Draheim [EMAIL PROTECTED] wrote: I did just need to change a single line in ltmain.sh which enabled me afterwards to actually *build* a dll. Looks like you were not using -no-undefined when creating the library. This is required to build

crosscompiled .exe (Re: crosscompiling dll linux-mingw32)

2001-04-26 Thread Guido Draheim
Guido Draheim wrote: from that I'd say libtool knows that CC has created a pfe.exe but the automake-rules/vardefs expect a builddir/pfe.exe too. A copy of builddir' pfe to pfe.exe does indeed work. Who's to blame, libtool or automake? It is libtool's fault - even that the final link-line

darwin sharedlib questions.

2001-05-18 Thread Guido Draheim
Hi libtool'ers, using a remote-login account on a darwin-1.3 machine, I did currently looking for support of sharedlib/dlopen support for this platfrom, but I am a bit confused a the moment, so may be you could enlighten me. the current libtool (1.4 (1.920 2001/04/24 23:26:18)) does let us

Re: Auto-tools Win32 Borland C++ Builder

2001-05-23 Thread Guido Draheim
This is not restricted to borland compilers, there are quite some C-compilers on unix-systems that quite some people like to see supported, however most of the autotools developers do live in a quite gnu'ish/gcc'ish environment, and every now and then, a gmake'ish/gcc pecularity slips in that

Re: [ 100058 ] 1.4 - $buildir-path may not contain ~

2001-06-16 Thread Guido Draheim
Perhaps the problem will go away when we have a binary ltmain in a couple of releases? In the mean while, I think the only workaround is to not use '~' in pathnames. *sigh* ... actually, I just wonder why it did work in 1.3.x and it must be left as is in 1.4 - well, then again,

Re: dll cross-compile, .libs/impgen is a win-exe, not a linux-binary

2001-06-19 Thread Guido Draheim
(whatever that is anyway) Guido Draheim wrote: no further comment needed, here's the output (libtool 1.4, 1.920) any ideas? /bin/sh ./libtool --mode=link i386-mingw32msvc-gcc -D_export=__dllexport -W,-E -W,--warn-common -o mforth.la -rpath /programs/pfe/pfe -export-dynamic -module -avoid

Re: dll compile, can not resolve with -module libs

2001-06-19 Thread Guido Draheim
apropriatly. It is interesting that we break windows' name-conventions for libraries, happily adding lib before the basename - am I right that this has changed from former tools targetting windows? okay, need some sleep now, bye, guido Guido Draheim wrote: As everyone knows, compiling a win-dll

Re: dll cross-compile, .libs/impgen is a win-exe, not a linux-binary

2001-06-20 Thread Guido Draheim
Gary V. Vaughan wrote: On Wednesday 20 June 2001 10:58 am, Guido Draheim wrote: Anyway, libtool.m4 and libtool-content are out of sync in this case, it is clearly buggy, don't you think Gary? ;-) The last time I used the impgen code in libtool, it worked fine for me. However, I must

Re: sys_lib_search_patch_spec/path_separator (Re: Suggested pathes to CVC libtool: Mingw improvement, .rc support)

2001-09-23 Thread Guido Draheim
Gary V. Vaughan wrote: On Sat, Sep 22, 2001 at 11:15:43PM +0300, Tor Lillqvist wrote: The chance of a Unix system having directory names containing semicolons is practically nil, isn't it? Yup. It is possible technically, but anyone who uses semicolons in PATH has got to expect

Re: libtool RFE

2001-09-11 Thread Guido Draheim
[EMAIL PROTECTED] wrote: On Tue, Sep 11, 2001 at 12:14:42PM -0700, Bruce Korb wrote: It seems I need to be able to build both 32 and 64 bit libraries. Since nobody seems to have anything to do, maybe we can add this to our copious spare time activities: Construction of multiple

Re: Darwin Dynamic modules

2001-09-14 Thread Guido Draheim
Max Horn wrote: OK, I think I just found out that this is the reason modules are not built right on darwin: # Commands used to build and install a shared archive. archive_cmds=\$CC \$(test \\x\$module\\ = xyes echo -bundle || echo -dynamiclib) \$allow_undefined_flag -o \$lib \$libobjs

Re: HOST_CC for windows DLL cross-compile

2001-10-19 Thread Guido Draheim
Es schrieb Kevin Ryde: I tried using the Debian packaged mingw32 cross-compiler to build a windows DLL with cvs libtool but didn't at first realize I had to set HOST_CC manually. Perhaps libtool could probe for a build system compiler itself when it needs one (for impgen.c). I don't

Re: Does libtool really support cross compile?

2001-10-31 Thread Guido Draheim
please be a bit more specific, what cross compiler do you use? Otherwise, 2.95.x crosscompiling does work smoothly for a lot of platforms under my hands, but I did not check 3.0.x so far. What version is that libtool in gcc 3.x. I guess it is not the fault of libtool as seen in cvs, but feel

Re: Does libtool really support cross compile?

2001-10-31 Thread Guido Draheim
Es schrieb H . J . Lu: On Wed, Oct 31, 2001 at 08:18:28PM +0100, Guido Draheim wrote: please be a bit more specific, what cross compiler do you use? Otherwise, 2.95.x crosscompiling does work smoothly for a lot of Does 2.95.x even use libtool? yupp, but I was amazed to see it calls

Re: Does libtool really support cross compile?

2001-10-31 Thread Guido Draheim
Es schrieb H . J . Lu: The problem I am running into is kde 3.0-alpha1. Yes, I am cross compiling kde from RedHat 7.1/x86 to a different Linux arch. On RedHat 7.1/x86, # ls -l /usr/lib/libjpeg.* -rw-r--r--1 root root 165144 Dec 11 2000 /usr/lib/libjpeg.a -rwxr-xr-x1

Re: Does libtool really support cross compile?

2001-10-31 Thread Guido Draheim
Es schrieb Guido Draheim: a patch like the following. I did not test it even in a single run, but one might use it as a guideline. *bg* ... spot the typo ;-) ___ Libtool mailing list [EMAIL PROTECTED] http://mail.gnu.org/mailman/listinfo/libtool

Re: GNU autoconf, automake, make, m4 32/64-bit Support

2001-10-10 Thread Guido Draheim
Torok-1, Maria wrote: Anything you could tell me regarding 32-bit and 64-bit versions of automake, make, and m4 would also be appreciated! [..] E-mail: [EMAIL PROTECTED] Torok-1, Maria wrote: We're currently using GNU libtool v1.4 on Solaris 2.6, ... before you flood the mailing-list,

Re: DLL_EXPORT and MinGW/Cygwin

2001-12-21 Thread Guido Draheim
Es schrieb Jon Leichter: #ifdef DLL_EXPORT # define EXTERN extern __declspec(dllexport) #else # define EXTERN extern #endif I am sure everyone who had been compiling a dll had seen this and they have been hit by the declspec-problems that

Re: problem: sys_lib_search_path_spec for MinGW

2001-12-21 Thread Guido Draheim
Es schrieb Jon Leichter: Cygwin sets this variable to the global default: sys_lib_search_path_spec=/lib /usr/lib /usr/local/lib MinGW executes the following command: sys_lib_search_path_spec=`$CC -print-search-dirs | grep ^libraries: | sed -e

Re: DLL_EXPORT and MinGW/Cygwin

2001-12-27 Thread Guido Draheim
Es schrieb Jon Leichter: [..] describe - using just a DLL_EXPORT or EXTERN in an installable header file is simply wrong. Agreed. Is someone going to fix this in libtool? well, it's not particularly a libtool problem that people tend to put a dependency of their code I would more or

Re: confusion with host,build,target

2002-01-05 Thread Guido Draheim
Es schrieb stefan: Hello list, I recently setup a cross compiler from linux-mingw32. Using --host, --build and --target I am able to reproduce software successfully. But with a little bit of confusion about the above parameters. Reading `info Autoconf' tells me: --host : the

Re: confusion with host,build,target

2002-01-06 Thread Guido Draheim
Es schrieb stefan: On Sat, 5 Jan 2002, Guido Draheim wrote: Es schrieb stefan: Hello list, I recently setup a cross compiler from linux-mingw32. Using --host, --build and --target I am able to reproduce software successfully. But with a little bit of confusion about

re: HOST_CC, crossgcc, mingw32, again/summarized - Re: confusion with host,build,target

2002-01-06 Thread Guido Draheim
Es schrieb stefan: On Sun, 6 Jan 2002, Guido Draheim wrote: Thus libtool should set the program compiling the `impgen' program when creating the import library to a `--build' gcc and should not default to the `--host' gcc which it in fact does. This fails of course, because

Re: cross-compiling question: static libraries and binaries to different places?

2002-03-08 Thread Guido Draheim
Es schrieb Dan Kegel: Guido Draheim wrote: ... See - the libtool crossgcc support (to which I did contribute some of the time) can simply ask the cross-gcc for the local searchpath via `gcc -print-search-dirs` - this is needed for win32 compiles atleast, and I have a patch on my disk

Re: Patch to make libtool support cross-compile

2002-03-09 Thread Guido Draheim
Es schrieb Dan Kegel: As pointed out by H. Lu in October ( http://mail.gnu.org/pipermail/bug-libtool/2001-October/002869.html ) and seconded by Guido ( http://mail.gnu.org/pipermail/bug-libtool/2001-October/002872.html ) libtool improperly searches /lib and /usr/lib when doing a

Re: Patch to make libtool support cross-compile

2002-03-09 Thread Guido Draheim
Es schrieb Dan Kegel: Guido Draheim wrote: ... you put the patch before the big case-series for the target-platform, so I guess that the libpath will be overridden immediately. Only if the case statement below decides to override it. Linux doesn't. Putting it above the case

Re: Darwin module problem (pfe-0.32.56)

2002-04-20 Thread Guido Draheim
to be a very old correction even that I did not find the exact location. well, let's hope there is a libtool release somewhen that can do darwin compiling then cheers, guido Es schrieb David N. Williams: Guido Draheim wrote: [..] oh no, it's the old overquoting problem along with zsh

Re: [Mingw-users] Re: Re: libbfd, libtool Win32 and Re: Buildinga MinGW GLibetc...

2002-09-17 Thread Guido Draheim
Bob Friesenhahn wrote: On Tue, 17 Sep 2002, Max Bowsher wrote: I agree that this is inelegant. Ideally, we would calculate the relative path to bindir from libdir, but I don't know how to do that. Anyone? There is no requirement that bindir from libdir even be on the same filesystem,

Re: [Mingw-users] Re: libbfd, libtool Win32

2002-09-17 Thread Guido Draheim
Max Bowsher wrote: Earnie Boyd wrote: Guido Draheim wrote: hmm, perhaps, the LD can now link with dlls directly, and that should Yes, indeed it can, and will search for it in the LIBRARY_PATH. If it can't find libfoo.dll.a or libfoo.a it will look for libfoo.dll when -lfoo is given

Re: [Mingw-users] Re: Re: libbfd, libtool Win32 and Re: Buildinga MinGW GLibetc...

2002-09-17 Thread Guido Draheim
Earnie Boyd wrote: Guido Draheim wrote: Max Bowsher wrote: Guido Draheim wrote: How old may a gcc/binutils pair be? My oldest crosscompilers are gcc 2.95.3 and ld --version reports 2.11.90.8. And for all I know, these are in fact the oldest versions around, no one want to go back beyond

Re: libtool -release 2.1 does not add release to library name

2002-09-18 Thread Guido Draheim
Frank Kemmer wrote: Wouldn't it be nice, if libtool had versioned the '.a' files, too, if the -release option is given? Or may be another option -staticlib-release? This is just a question? Or is there another style of versioning intended for the static libs? we had a talk about

Re: [Mingw-users] Re: libbfd, libtool Win32

2002-09-20 Thread Guido Draheim
David Olofson wrote: On Wednesday 18 September 2002 22:37, Danny Smith wrote: [...] or does that mean we either have to make assumptions, or just *require* import libs to be present? The latter is certainly safer. Yeah, but it doesn't work if you can't get an import lib that works

Re: how about a bug fix release?

2002-09-22 Thread Guido Draheim
Troy Cauble wrote: So the Stable Release is over a year old and only works because the Linux distro teams are patching it. Maybe it's time for a bug fix release? Or at least pointers to the best patches on the home page? please, let's have one, as soon as possible. hmm, tomorrow?

Re: [Mingw-users] Whats the latest on libtool and the stub dll libraries?

2002-09-24 Thread Guido Draheim
Elizabeth Barham wrote: Earnie Boyd [EMAIL PROTECTED] writes: Not, totally, but it's being worked upon. I've joined the libtool list as well in order to help with resolving the issues with mingw32 host/build/target issues. Hopefully, others that have been actively working with mingw32

Re: libtool 1.4.2 on Darwin

2002-10-08 Thread Guido Draheim
Isn't that the old zsh qouting bug? Well, people still refuse to give us an 1.4.3 anysoon, so may be you want to expand your configure scripts with: http://ac-archive.sf.net/Installed_Packages/patch_libtool_on_darwin_zsh_overquoting.html Christoph Egger wrote: Usually I don't reply myself, but

Re: how about a bug fix release?

2002-10-08 Thread Guido Draheim
no news Troy Cauble wrote: Using 1.4.2, I was bitten by the test/pic_mode quoting bug in ltmain.sh. I pulled branch-1-4 from cvs but for that version, ltmain.sh needs ${SED} defined by a new macro and still has issues with non-quoted test values anyway. After realizing that I

Re: libtool 1.4.2 on Darwin

2002-10-08 Thread Guido Draheim
Christoph Egger wrote: All what I want are three things: 1) That my above fix becomes part of one of the next libtool releases 2) That libtool calls gcc with the right params, so that gcc doesn't break the compiling process with 'gcc: -install_name only allowed with -dynamiclib' 3)

Re: Libtool 1.4.3

2002-10-08 Thread Guido Draheim
a new-feature release is the same work as a bugfix release? ye kiddin'... Bob Friesenhahn wrote: Wouldn't it be better to get libtool 1.5 out the door? The resources required to achieve a releasable product are similar and CVS libtool already contains most of the fixes that would go into a

Re: libtool 1.4.2 on Darwin

2002-10-08 Thread Guido Draheim
Bruce Korb wrote: Christoph Egger wrote: Ok, here we come: I just did 2) The fix is replacing this line archive_cmds='$nonopt $(test x$module = xyes echo -bundle || echo -dynamiclib) $allow_undefined_flag -o $lib $libobjs $deplibs$linker_flags -install_name $rpath/$soname $verstring' by

Re: Libtool 1.5

2002-10-09 Thread Guido Draheim
Bob Friesenhahn wrote: Time spent on libtool 1.4.3 is time spent doing work which must either be done a second time, or has already been done, for libtool 1.5. Not true. There were some patches backported even before now, I was doing some of the work under the expectation that we can see a

Re: MinGW libtool DLL failure

2002-10-11 Thread Guido Draheim
Elizabeth Barham wrote: yes,mingw*) -library_names_spec='${libname}`echo ${release} | sed -e 's/[[.]]/-/g'`${versuffix}.dll' +soname_spec='$libname.dll' +library_names_spec='$libname.dll.a' don't cut away the release spec. libtool link --release 10.56 -o libfoo.la

Re: [Mingw-msys] Re: MinGW libtool DLL failure

2002-10-15 Thread Guido Draheim
Earnie Boyd wrote: Max Bowsher wrote: Earnie Boyd wrote: Unfortunately not - make install bindir=/alternatelocation. I prefer that over a switch, with a default value for the variable of ../bin. I think that a switch is the only way, if we are to deal with the case I cite above.

Re: libtool module behavior and darwin

2002-11-24 Thread Guido Draheim
Benjamin Reed wrote: [...] ---(snip!)--- kbackgammon_la_LDFLAGS = $(all_libraries) $(KDE_RPATH) -module -avoid-version kbackgammon_LDADD = kbackgammon.la $(LIB_KDEGAMES) $(LIB_KSYCOCA) kbackgammon_SOURCES = dummy.cpp ---(snip!)--- ...this is a no-no, kbackgammon is trying to link against a

Re: libtool module behavior and darwin

2002-11-24 Thread Guido Draheim
Guido Draheim wrote: Benjamin Reed wrote: [...] ---(snip!)--- kbackgammon_la_LDFLAGS = $(all_libraries) $(KDE_RPATH) -module -avoid-version kbackgammon_LDADD = kbackgammon.la $(LIB_KDEGAMES) $(LIB_KSYCOCA) kbackgammon_SOURCES = dummy.cpp ---(snip!)--- ...this is a no-no, kbackgammon

Re: libtool module behavior and darwin

2002-11-24 Thread Guido Draheim
Benjamin Reed wrote: On Sunday, November 24, 2002, at 05:13 PM, Guido Draheim wrote: I mean, that should also be seen on other platforms than darwin, right? Or am I mistaken here? (I wouldn't count myself to know large parts of libtool indepth, well, then again, who still does ;-) ...) Well

Re: libtool module behavior and darwin

2002-11-24 Thread Guido Draheim
Benjamin Reed wrote: On Sunday, November 24, 2002, at 04:54 PM, Guido Draheim wrote: The only hint that I can give has the form of a question: Did you try kbackgammon_LDADD = -static kbackgammon.la $(LIB_KDEGAMES) $(LIB_KSYCOCA) kbackgammon_SOURCES = dummy.cpp $ ./libtool --help --mode

Re: [Fink-devel] Re: libtool module behavior and darwin

2002-11-24 Thread Guido Draheim
Benjamin Reed wrote: On Sunday, November 24, 2002, at 05:44 PM, Guido Draheim wrote: You mean they are listed as .la on the link-line? To stick with the example, there is a LIB_KDEGAMES = libkdegames.la in your makefiles? aargh, kde maniacs at work No, it would be, libfoo_la_LIBADD

Re: libtool module behavior and darwin

2002-11-25 Thread Guido Draheim
It's the correct solution AFAICS - from the same sources two libtool libraries are built - one is a system library that gets linked to the system binary. And the module libtool archive is separate from that. Both .la will be able to pick up the same .lo being compiled along, so it is nothing more

Re: libtool module behavior and darwin

2002-11-25 Thread Guido Draheim
link with a .dylib and everything gets resolved nicely? cheers, -- guido Nick Hudson wrote: On Monday 25 November 2002 10:04 am, Guido Draheim wrote: It's the correct solution AFAICS - from the same sources two libtool libraries are built - one is a system library that gets linked to the system

Re: Wrong path at linking

2002-11-25 Thread Guido Draheim
** do you have a /usr/local/lib/.libs/ directory ? ** Szekely Izabella wrote: Hy! I use libtool 1.4.2, automake 1.4-p5, autoconf 2.13 on RedHat linux 7.3. The is the folowing error ...: PREPROCESSING ... /bin/sh ../../libtool --mode=link c++ -g -O0

Re: Wrong path at linking

2002-11-25 Thread Guido Draheim
To clarify a bit - the link-line does not have a -L for some .libs. Any .libs of a -L is searched automatically. If that is not the case then the next guess comes at some .la to be copied manually around instead of being installed. May be libmp3lame.la and libshout.la are somewhere around? -

Re: DESTDIR installs

2002-11-25 Thread Guido Draheim
[EMAIL PROTECTED] wrote: == pw == Philip Willoughby [EMAIL PROTECTED] writes: pw I have the following in a Makefile.am: pw pkglib_LTLIBRARIES=libapttlog.la pw libapttlog_la_SOURCES=aptt/log/log.c AM_CPPFLAGS=@INCLTDL@ pw -I$(top_srcdir)/src -I$(top_builddir)/src pw

Re: DESTDIR installs

2002-11-25 Thread Guido Draheim
Carl D. Roth wrote: I had the same problem - libtool does not like destdir-install with two libraries being interdependent. I had a look through the sources how to pass it down to libtool - but the automake generated install-line for the .la will now pass an extra argument. Without help from

Re: [PATCH] Re: Problem on rs6000-ibm-aix4.3.2.0 (Fortran) -DPIC

2003-01-16 Thread Guido Draheim
Simon Richter schrieb: Robert, Ok, here it is. This patch changes AC_LIBTOOL_PROG_COMPILER_PIC so that it only appends -DPIC to the default C tag and the CXX tag for C++. I would also like to deprecate -DPIC in the 1.5 release to make it clear we intend to do away with it. I would also like

Re: [PATCH] Re: Problem on rs6000-ibm-aix4.3.2.0 (Fortran) -DPIC

2003-01-16 Thread Guido Draheim
Boehne, Robert schrieb: Wouldn't replacing -DPIC with -D__PIC__ break a fundamental assumption about ANSI compilers, that __ means compiler-defined and not in the userspace? [...] #if (defined(__pic__) || defined(__PIC__)) !defined(PIC) #define PIC 1 #endif The main problem with

Re: [PATCH] Re: Problem on rs6000-ibm-aix4.3.2.0 (Fortran) -DPIC

2003-01-16 Thread Guido Draheim
Boehne, Robert schrieb: IMHO, I have yet to see an example of how it could be useful to define PIC when it seems that the only way to make use of it is to have it surround severely implementation-specific stuff like inline assembler in which case the compiler _should_ be defining __PIC__ or some

Re: [PATCH] Re: Problem on rs6000-ibm-aix4.3.2.0 (Fortran) -DPIC

2003-01-16 Thread Guido Draheim
to use different options than these. It's surely the existance of -DPIC on the commandline that made developers to just pick it up, 'cause it's so easy and 'been around so long. :-)) -- cheers, guido Robert -Original Message- From: Guido Draheim [mailto:[EMAIL PROTECTED]] Sent: Thursday

release schedule

2003-03-20 Thread Guido Draheim
I did just ran into a problem with darwin libtool that refuses to link. I have noticed that current cvs contains a patch (20-03-2003) that fixes the situation. It's a big one, I do only need a small part of it (lt_cv_deplibs_check_method=pass_all). Question: what's the status, is it a good plan to

Re: win32 short name and IFS='~'

2003-03-30 Thread Guido Draheim
I have a similar problem on a different account: the version management system at my employer uses ~ in directory names to flag different branches and subversions of projects and their checkout areas. The libtool has the tendency to resolve some symlinks, so it does not help to put some

dotnet platform support / gnu config.sub (long)

2003-09-11 Thread Guido Draheim
* short The world has changed - there are commandline tools for unixish systems that take a C program (not C#!) and compile them into a MSIL binary or library. This makes it a valid crosscompile target for free software. The free projects for the dotnet platform - mono, dotgnu, portablenet and

Re: dotnet platform support / gnu config

2003-09-11 Thread Guido Draheim
Guido Draheim wrote: Bob Friesenhahn wrote: On Thu, 11 Sep 2003, Guido Draheim wrote: * short The world has changed - there are commandline tools for unixish systems that take a C program (not C#!) and compile them into a MSIL binary or library. This makes it a valid crosscompile target

Re: dotnet platform support / gnu config.sub (long)

2003-09-24 Thread Guido Draheim
Dalibor Topic wrote: Guido Draheim wrote: Dalibor Topic wrote: Guido Draheim wrote: For the java machine, the term `jvm` is used universally. I do not remember there were any dependency on pointer lengths, it runs in managed mode always. JVM, JDK, Java, etc. are all trade marks

Re: only static libraries created

2003-09-25 Thread Guido Draheim
[EMAIL PROTECTED] wrote: Hi, I want to compile gtkhtml2 (libgtkhtml) for windows, I use MinGW (gcc-3.2.3) and cygwin. My problem is that only static libraries are created, no .dlls. What could be the reason for this? The problem is that the library consists of some sub-packages

Re: only static libraries created

2003-09-25 Thread Guido Draheim
You may want to ask at mingw.org for specifics. If all dependencies are resolved then a dll should be there as $subdir/.libs/*.dll - check the content of the .la files in $subdir/*.la whether it has been configured correctly to create dynalibs (it's a text file). Then do the next step. [EMAIL

Re: dotnet platform support / gnu config.sub (long)

2003-10-03 Thread Guido Draheim
Jim Pick wrote: Anyways, the config.sub name is just going to be used to define a target - so it makes sense to call the target Java, since it's only going to be used by tools generating Java byte code, which will run on Sun's JVM. Of course it will still run on other virtual machines that

libtool.m4 correction

2005-01-13 Thread Guido Draheim
# Add /usr/xpg4/bin/sed as it is typically found on Solaris # along with /bin/sed that truncates output. for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do - test ! -f $lt_ac_sed break + test ! -f $lt_ac_sed continue cat /dev/null conftest.in lt_ac_count=0 On one of my build