Re: f11 build error

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Dan Nicholson wrote:
> 2008/11/18 Gregory Hosler <ghosler@xxxxxxxxxx>:
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>>> On Mon, Nov 17, 2008 at 7:21 AM, Bill Nottingham <notting redhat com> wrote:
>>>> Gregory Hosler (ghosler redhat com) said:
>>>>> not sure if this is the correct fedora mailing list or not to bring this up on...
>>>> fedora-devel-list may be better, CC'ing it.
>>>>
>>>>> I came across a build error on X64, in F-11
>>>>>
>>>>> I have been seeing this exact bug report my other distso users that have been building my
>>>>> package on other distro x64 platforms, and so far I do not know what the solution might be.
>>>>>
>>>>> When i do a libtool build on a library, I am seeing the following:
>>>>>
>>>>> /bin/sh ../libtool --tag=CC   --mode=link gcc  -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2
>>>>> - -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic
>>>>> - -Wno-pointer-sign -funsigned-char -shared -fpic -fPIC  -o libgyachi.so gytreeview.o
>>>>> gy_config.o gyachi_lib.o parsecfg.o theme_support.o sound_plugin.o plugins.o -lgtk-x11-2.0
>>>>> - -lgdk-x11-2.0 -latk-1.0 -lgio-2.0 -lpangoft2-1.0 -lgdk_pixbuf-2.0 -lpangocairo-1.0 -lcairo
>>>>> - -lpango-1.0 -lfreetype -lfontconfig -lgobject-2.0 -lgmodule-2.0 -lglib-2.0   -lltdl
>>>>> - -lX11  -lpthread
>>>>> libtool: link: gcc -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
>>>>> - -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -Wno-pointer-sign
>>>>> - -funsigned-char -fpic -fPIC -o libgyachi.so gytreeview.o gy_config.o gyachi_lib.o
>>>>> parsecfg.o theme_support.o sound_plugin.o plugins.o  -lgtk-x11-2.0 -lgdk-x11-2.0 -latk-1.0
>>>>> - -lgio-2.0 -lpangoft2-1.0 -lgdk_pixbuf-2.0 -lpangocairo-1.0 -lcairo -lpango-1.0 -lfreetype
>>>>> - -lfontconfig -lgobject-2.0 -lgmodule-2.0 -lglib-2.0 -lltdl -lX11 -lpthread
>>>>> /usr/lib/gcc/x86_64-redhat-linux/4.3.2/../../../../lib64/crt1.o: In function `_start':
>>>>> (.text+0x20): undefined reference to `main'
>>>>> collect2: ld returned 1 exit status
>>>>>
>>>>> ld is not treating this as a shared library, rather it is treating this as a main program.
>>>> The F-11 tree has libtool-2.2.6, instead of libtool-1.5 as in Fedora 10 and
>>>> earlier. I suspect that's what's tripping you up.
>>> Is automake being used?
>> Yes
>>
>>> How are you invoking libtool?
>> in my autogen.sh script (which runs the automake tool set) i do:
>>
>>        libtoolize --copy --force --automake
>>
>> which generates a libtool script.
>>
>>> I would suspect the correct way to do this in automake is:
>>>
>>> wherever_LTLIBRARIES = libgyachi.la
>>> libgyachi_la_LDFLAGS = -avoid-version
>> hmm... My libtool script does not have any references to anything *_LTLIBRARIES
>> so i'm kinda at a loss as to the above 2 statements, or how to make them happen
> 
> Not in the libtool script, in Makefile.am.

ah.

> I.e., how is libgyachi
> being defined to be built by libtool. In most autotooled packages,
> you'd do this in Makefile.am, and automake would expand it to
> something usable:
> 
> lib_LTLIBRARIES = libfoo.la
> libfoo_la_SOURCES = foo.c bar.c
> 
> That will make a libtool library installed to $(libdir). Since
> libgyachi appears to be a module without an soversion (correct me if
> I'm wrong), you can tell libtool to do that by adding "-avoid-version"
> to the LDFLAGS.

libgyachi is defined in the Makefile.am (attached) as follows:

gyachilib_PROGRAMS = libgyachi.so

gyachilibdir = @libdir@

libgyachi_so_SOURCES =  gytreeview.c gytreeview.h \
	.
	.
	.

and ...

now that you mention it, I think I understand what's happening. I was using a _PROGRAMS as
opposed to a _LTLIBRARIES.

I'm mostly all set now.

Remind me again, what is the purpose of the ".la" file. If my package's .so file is not
intended to be linked against, then i believe that there is no point to distribute the
".la" file, correct? (la is "link archive" I think).


> --
> Dan
> 


- --
+---------------------------------------------------------------------+

Please also check the log file at "/dev/null" for additional information.
		(from /var/log/Xorg.setup.log)

| Greg Hosler					ghosler@xxxxxxxxxx    |
+---------------------------------------------------------------------+
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gyachilib_PROGRAMS = libgyachi.so

#gyachilib_SOURCES = theme_support.c theme_support.h

gyachilibdir = @libdir@

libgyachi_so_SOURCES =	gytreeview.c gytreeview.h \
			gy_config.c gy_config.h   \
			gyachi_lib.c gyachi_lib.h \
			parsecfg.c parsecfg.h     \
			theme_support.c theme_support.h \
			sound_plugin.c sound_plugin.h \
			plugin_api.h \
			plugins.c plugins.h


libgyachi_so_LDADD  = @GTK_LIBS@ @LTDL_LIBS@  
libgyachi_so_LDFLAGS = -shared -fpic -fPIC

# Required for localization
localedir = $(datadir)/locale

INCLUDES = $(DEPS_CFLAGS) -DLOCALEDIR=\"$(localedir)\" @GTK_CFLAGS@ -fpic -FPIC

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