Re: Linking Errors related to X11

Re: Linking Errors related to X11

[Tom Szczesny]

Yaakov wrote:
"For future reference, this package includes a very old version of libtool
which is not guaranteed to work on Cygwin. This is why running autoreconf
is standard procedure when building autoconf-based packages."

Thank you for this comment.  It gives me a place to start.
If there are any other important initial steps to the "standard procedure",
(or a place to find a list of all the steps) please let me know.

Also:  The issues that I am facing are clearly not specific to the
cygwin-xfree group.  When I do have further questions related to porting
a very old package (that does still build and work on Linux) to cygwin,
which is the best forum in which to ask them?

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Re: Linking Errors related to X11

[Yaakov (Cygwin/X)]

On 2012-03-22 14:46, Tom Szczesny wrote:
> g++ -O2 -o aplus.exe mainC.o aplus_main.o aplus_uext.o matherr.o
> -L/usr/local/aplus-fsf-4.22/src/IPC -L/usr/local/aplus-fsf-4.22/src/cxs
> -L/usr/local/aplus-fsf-4.22/src/cxb -L/usr/local/aplus-fsf-4.22/src/AplusGUI
> -L/usr/local/aplus-fsf-4.22/src/cxsys -L/usr/local/aplus-fsf-4.22/src/cxc
> -L/usr/local/aplus-fsf-4.22/src/esf -L/usr/local/aplus-fsf-4.22/src/a
> -L/usr/local/aplus-fsf-4.22/src/dap -L/usr/local/aplus-fsf-4.22/src/MSGUI
> -L/usr/local/aplus-fsf-4.22/src/MSIPC
> -L/usr/local/aplus-fsf-4.22/src/MSTypes .libs/libimp-cygX11-6.a
> .libs/libimp-cygxcb-1.a .libs/libimp-cygXau-6.a
> .libs/libimp-cygXdmcp-6.a
> ../../src/IPC/.libs/libIPC.a ../../src/cxs/.libs/libcxs.a
> ../../src/cxb/.libs/libcxb.a ../../src/AplusGUI/.libs/libAplusGUI.a
> ../../src/cxsys/.libs/libcxsys.a ../../src/cxc/.libs/libcxc.a
> ../../src/esf/.libs/libesf.a ../../src/a/.libs/liba.a
> ../../src/dap/.libs/libdap.a
> ../../src/MSGUI/.libs/libMSGUI.a ../../src/MSIPC/.libs/libMSIPC.a
> ../../src/MSTypes/.libs/libMSTypes.a -lpthread -ldl
> ../../src/AplusGUI/.libs/libAplusGUI.a(AGIF.o):AGIF.C:(.text+0x13ba):
> undefined reference to `_XWarpPointer'

For future reference, this package includes a very old version of 
libtool which is not guaranteed to work on Cygwin.  This is why running 
autoreconf is standard procedure when building autoconf-based packages.


Yaakov

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Re: Linking Errors related to X11

[Yaakov (Cygwin/X)]

On 2012-03-22 15:22, Tom Szczesny wrote:
> Yaakov wrote:
> "Especially, as I just discovered, this package unconditionally
> requires libnsl functions and defines (in src/dap/*),
> which Cygwin does not provide."
>
> How can you tell that?
>
> I get a null response when I execute:
> Tom@Toshiba /usr/local/aplus-fsf-4.22/src
> $ grep libnsl dap -r

Because the functions in libnsl don't start with libnsl.  Specifically, 
there are yp_* functions and YP* constants.


Yaakov

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Re: Linking Errors related to X11

[Larry Hall (Cygwin-X)]

On 3/22/2012 4:54 PM, Tom Szczesny wrote:
> Larry Hall wrote:
> "That's because the Makefile generated by the configure script *ignores*
> X_LIBS.  You'll need to force -lX11 into the link line of every affected
> Makefile. if you want it to link against this library.  This is a problem
> with the app's configure script, not Cygwin.  You should report this to
> the maintainers."
>
> The lib for src/dap is      ../../src/dap/.libs/libdap.a
> The lib for src/AplusGUI is     ../../src/ApluGUI/.libs/libAplusGUI.a
>
> What file contains the lib for X11 in cygwin?

The one you've been trying to tell it to use - libX11.a.  It's in
/usr/lib.  It comes from Cygwin's libX11-devel package.

-- 
Larry

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

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Re: Linking Errors related to X11

[Tom Szczesny]

Larry Hall wrote:
"That's because the Makefile generated by the configure script *ignores*
X_LIBS.  You'll need to force -lX11 into the link line of every affected
Makefile. if you want it to link against this library.  This is a problem
with the app's configure script, not Cygwin.  You should report this to
the maintainers."

The lib for src/dap is      ../../src/dap/.libs/libdap.a
The lib for src/AplusGUI is     ../../src/ApluGUI/.libs/libAplusGUI.a

What file contains the lib for X11 in cygwin?

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Re: Linking Errors related to X11

[Tom Szczesny]

I also get a null response when I execute:

Tom@Toshiba /usr/local/aplus-fsf-4.22
$ grep libnsl src -r

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Re: Linking Errors related to X11

[Tom Szczesny]

Yaakov wrote:
"Especially, as I just discovered, this package unconditionally
requires libnsl functions and defines (in src/dap/*),
which Cygwin does not provide."

How can you tell that?

I get a null response when I execute:
Tom@Toshiba /usr/local/aplus-fsf-4.22/src
$ grep libnsl dap -r

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Re: Linking Errors related to X11

[Yaakov (Cygwin/X)]

On 2012-03-22 14:23, Christopher Faylor wrote:
> But, again, even if you get this to link, if you are still playing
> around with things like ioctl definitions this is not going to work.
> And, sorry to be blunt but if your level of understanding about this
> does not include comprehension of what /usr/include is then it is
> unlikely that you are going to be successful here.

Especially, as I just discovered, this package unconditionally requires 
libnsl functions and defines (in src/dap/*), which Cygwin does not provide.


Yaakov

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Re: Linking Errors related to X11

[Larry Hall (Cygwin-X)]

On 3/22/2012 3:46 PM, Tom Szczesny wrote:
> Blunt is fine ( I don't mind).
>
> To repeat what I reported in an earlier note:
> When I set:
>
> X_INCLUDES =
> X_LIBS = -lX11
>
> I get:
> g++ -O2 -o aplus.exe mainC.o aplus_main.o aplus_uext.o matherr.o
> -L/usr/local/aplus-fsf-4.22/src/IPC -L/usr/local/aplus-fsf-4.22/src/cxs
> -L/usr/local/aplus-fsf-4.22/src/cxb -L/usr/local/aplus-fsf-4.22/src/AplusGUI
> -L/usr/local/aplus-fsf-4.22/src/cxsys -L/usr/local/aplus-fsf-4.22/src/cxc
> -L/usr/local/aplus-fsf-4.22/src/esf -L/usr/local/aplus-fsf-4.22/src/a
> -L/usr/local/aplus-fsf-4.22/src/dap -L/usr/local/aplus-fsf-4.22/src/MSGUI
> -L/usr/local/aplus-fsf-4.22/src/MSIPC
> -L/usr/local/aplus-fsf-4.22/src/MSTypes .libs/libimp-cygX11-6.a
> .libs/libimp-cygxcb-1.a .libs/libimp-cygXau-6.a
> .libs/libimp-cygXdmcp-6.a
> ../../src/IPC/.libs/libIPC.a ../../src/cxs/.libs/libcxs.a
> ../../src/cxb/.libs/libcxb.a ../../src/AplusGUI/.libs/libAplusGUI.a
> ../../src/cxsys/.libs/libcxsys.a ../../src/cxc/.libs/libcxc.a
> ../../src/esf/.libs/libesf.a ../../src/a/.libs/liba.a
> ../../src/dap/.libs/libdap.a
> ../../src/MSGUI/.libs/libMSGUI.a ../../src/MSIPC/.libs/libMSIPC.a
> ../../src/MSTypes/.libs/libMSTypes.a -lpthread -ldl
> ../../src/AplusGUI/.libs/libAplusGUI.a(AGIF.o):AGIF.C:(.text+0x13ba):
> undefined reference to `_XWarpPointer'

That's because the Makefile generated by the configure script *ignores*
X_LIBS.  You'll need to force -lX11 into the link line of every affected
Makefile. if you want it to link against this library.  This is a problem
with the app's configure script, not Cygwin.  You should report this to
the maintainers.

-- 
Larry

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

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Re: Linking Errors related to X11

[Tom Szczesny]

Blunt is fine ( I don't mind).

To repeat what I reported in an earlier note:
When I set:

X_INCLUDES =
X_LIBS = -lX11

I get:
g++ -O2 -o aplus.exe mainC.o aplus_main.o aplus_uext.o matherr.o
-L/usr/local/aplus-fsf-4.22/src/IPC -L/usr/local/aplus-fsf-4.22/src/cxs
-L/usr/local/aplus-fsf-4.22/src/cxb -L/usr/local/aplus-fsf-4.22/src/AplusGUI
-L/usr/local/aplus-fsf-4.22/src/cxsys -L/usr/local/aplus-fsf-4.22/src/cxc
-L/usr/local/aplus-fsf-4.22/src/esf -L/usr/local/aplus-fsf-4.22/src/a
-L/usr/local/aplus-fsf-4.22/src/dap -L/usr/local/aplus-fsf-4.22/src/MSGUI
-L/usr/local/aplus-fsf-4.22/src/MSIPC
-L/usr/local/aplus-fsf-4.22/src/MSTypes .libs/libimp-cygX11-6.a
.libs/libimp-cygxcb-1.a .libs/libimp-cygXau-6.a
.libs/libimp-cygXdmcp-6.a
../../src/IPC/.libs/libIPC.a ../../src/cxs/.libs/libcxs.a
../../src/cxb/.libs/libcxb.a ../../src/AplusGUI/.libs/libAplusGUI.a
../../src/cxsys/.libs/libcxsys.a ../../src/cxc/.libs/libcxc.a
../../src/esf/.libs/libesf.a ../../src/a/.libs/liba.a
../../src/dap/.libs/libdap.a
../../src/MSGUI/.libs/libMSGUI.a ../../src/MSIPC/.libs/libMSIPC.a
../../src/MSTypes/.libs/libMSTypes.a -lpthread -ldl
../../src/AplusGUI/.libs/libAplusGUI.a(AGIF.o):AGIF.C:(.text+0x13ba):
undefined reference to `_XWarpPointer'

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Re: Linking Errors related to X11

[Christopher Faylor]

On Thu, Mar 22, 2012 at 01:55:04PM -0400, Tom Szczesny wrote:
>This question was answered in the cygwin list, but the proposed
>solutions did not work.
>Someone on the list suggested that I send the question to
>cygwin-xfree, so I did.
>
>When I delete the -I and the -L and try:
>    X_INCLUDES =
>    X_LIBS = /usr/include -lX11
>I get:

When I said to "just delete" I meant to delete them from your
original example.

It should be:

X_INCLUDES =
X_LIBS = -lX11

But, again, even if you get this to link, if you are still playing
around with things like ioctl definitions this is not going to work.
And, sorry to be blunt but if your level of understanding about this
does not include comprehension of what /usr/include is then it is
unlikely that you are going to be successful here.

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Re: Linking Errors related to X11

[Jack]

The beginning of that (unwrapped)
   g++ -O2 -o aplus.exe /usr/include mainC.o aplus_main.o aplus_uext.o  
matherr.o  -L/usr/local/aplus-fsf-4.22/src/IPC

should probably be
   g++ -O2 -o aplus.exe mainC.o aplus_main.o aplus_uext.o matherr.o   
-I/usr/include  -L/usr/local/aplus-fsf-4.22/src/IPC

/usr/include is a directory to look for includes, not one of the files  
to be compiled


On 2012.03.22 13:55, Tom Szczesny wrote:
> This question was answered in the cygwin list, but the proposed
> solutions did not work.
> Someone on the list suggested that I send the question to
> cygwin-xfree, so I did.
> 
> When I delete the -I and the -L and try:
>     X_INCLUDES =
>     X_LIBS = /usr/include -lX11
> I get:
> 
> g++ -O2 -o aplus.exe /usr/include mainC.o aplus_main.o aplus_uext.o
> matherr.o  -L/usr/local/aplus-fsf-4.22/src/IPC
> -L/usr/local/aplus-fsf-4.22/src/cxs
> -L/usr/local/aplus-fsf-4.22/src/cxb
> -L/usr/local/aplus-fsf-4.22/src/AplusGUI
> -L/usr/local/aplus-fsf-4.22/src/cxsys
> -L/usr/local/aplus-fsf-4.22/src/cxc
> -L/usr/local/aplus-fsf-4.22/src/esf -L/usr/local/aplus-fsf-4.22/src/a
> -L/usr/local/aplus-fsf-4.22/src/dap
> -L/usr/local/aplus-fsf-4.22/src/MSGUI
> -L/usr/local/aplus-fsf-4.22/src/MSIPC
> -L/usr/local/aplus-fsf-4.22/src/MSTypes .libs/libimp-cygX11-6.a
> .libs/libimp-cygxcb-1.a .libs/libimp-cygXau-6.a
> .libs/libimp-cygXdmcp-6.a ../../src/IPC/.libs/libIPC.a
> ../../src/cxs/.libs/libcxs.a ../../src/cxb/.libs/libcxb.a
> ../../src/AplusGUI/.libs/libAplusGUI.a
> ../../src/cxsys/.libs/libcxsys.a ../../src/cxc/.libs/libcxc.a
> ../../src/esf/.libs/libesf.a ../../src/a/.libs/liba.a
> ../../src/dap/.libs/libdap.a ../../src/MSGUI/.libs/libMSGUI.a
> ../../src/MSIPC/.libs/libMSIPC.a ../../src/MSTypes/.libs/libMSTypes.a
> -lpthread -ldl
> /usr/include: file not recognized: Is a directory
> 
> When I also delete the /usr/include and try:
>      X_INCLUDES =
>      X_LIBS = -lX11
> I get:
> 
> g++ -O2 -o aplus.exe mainC.o aplus_main.o aplus_uext.o matherr.o
> -L/usr/local/aplus-fsf-4.22/src/IPC
> -L/usr/local/aplus-fsf-4.22/src/cxs
> -L/usr/local/aplus-fsf-4.22/src/cxb
> -L/usr/local/aplus-fsf-4.22/src/AplusGUI
> -L/usr/local/aplus-fsf-4.22/src/cxsys
> -L/usr/local/aplus-fsf-4.22/src/cxc
> -L/usr/local/aplus-fsf-4.22/src/esf -L/usr/local/aplus-fsf-4.22/src/a
> -L/usr/local/aplus-fsf-4.22/src/dap
> -L/usr/local/aplus-fsf-4.22/src/MSGUI
> -L/usr/local/aplus-fsf-4.22/src/MSIPC
> -L/usr/local/aplus-fsf-4.22/src/MSTypes .libs/libimp-cygX11-6.a
> .libs/libimp-cygxcb-1.a .libs/libimp-cygXau-6.a
> .libs/libimp-cygXdmcp-6.a ../../src/IPC/.libs/libIPC.a
> ../../src/cxs/.libs/libcxs.a ../../src/cxb/.libs/libcxb.a
> ../../src/AplusGUI/.libs/libAplusGUI.a
> ../../src/cxsys/.libs/libcxsys.a ../../src/cxc/.libs/libcxc.a
> ../../src/esf/.libs/libesf.a ../../src/a/.libs/liba.a
> ../../src/dap/.libs/libdap.a ../../src/MSGUI/.libs/libMSGUI.a
> ../../src/MSIPC/.libs/libMSIPC.a ../../src/MSTypes/.libs/libMSTypes.a
> -lpthread -ldl
> ../../src/AplusGUI/.libs/libAplusGUI.a(AGIF.o):AGIF.C:(.text+0x13ba):
> undefined reference to `_XWarpPointer'
> 
> I have tried numerous other variations.
> The one that appears to work best is:
>    X_INCLUDES = /usr/include
>    X_LIBS = -L /usr/include/X11 \
> but then I get errors with       am__include
> 
> The Makefile was generated by Automake 1.6.3.
> When I try to generate a new one, I get;
> 
> $ automake
> automake: `configure.ac' or `configure.in' is required
> 
> As there is no   configure.ac    or    configure.in
> I am coming to the conclusion that I may need to learn Autotools and
> construct a fresh build process.
> 
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> 


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Re: Linking Errors related to X11

[Tom Szczesny]

This question was answered in the cygwin list, but the proposed
solutions did not work.
Someone on the list suggested that I send the question to
cygwin-xfree, so I did.

When I delete the -I and the -L and try:
    X_INCLUDES =
    X_LIBS = /usr/include -lX11
I get:

g++ -O2 -o aplus.exe /usr/include mainC.o aplus_main.o aplus_uext.o
matherr.o  -L/usr/local/aplus-fsf-4.22/src/IPC
-L/usr/local/aplus-fsf-4.22/src/cxs
-L/usr/local/aplus-fsf-4.22/src/cxb
-L/usr/local/aplus-fsf-4.22/src/AplusGUI
-L/usr/local/aplus-fsf-4.22/src/cxsys
-L/usr/local/aplus-fsf-4.22/src/cxc
-L/usr/local/aplus-fsf-4.22/src/esf -L/usr/local/aplus-fsf-4.22/src/a
-L/usr/local/aplus-fsf-4.22/src/dap
-L/usr/local/aplus-fsf-4.22/src/MSGUI
-L/usr/local/aplus-fsf-4.22/src/MSIPC
-L/usr/local/aplus-fsf-4.22/src/MSTypes .libs/libimp-cygX11-6.a
.libs/libimp-cygxcb-1.a .libs/libimp-cygXau-6.a
.libs/libimp-cygXdmcp-6.a ../../src/IPC/.libs/libIPC.a
../../src/cxs/.libs/libcxs.a ../../src/cxb/.libs/libcxb.a
../../src/AplusGUI/.libs/libAplusGUI.a
../../src/cxsys/.libs/libcxsys.a ../../src/cxc/.libs/libcxc.a
../../src/esf/.libs/libesf.a ../../src/a/.libs/liba.a
../../src/dap/.libs/libdap.a ../../src/MSGUI/.libs/libMSGUI.a
../../src/MSIPC/.libs/libMSIPC.a ../../src/MSTypes/.libs/libMSTypes.a
-lpthread -ldl
/usr/include: file not recognized: Is a directory

When I also delete the /usr/include and try:
     X_INCLUDES =
     X_LIBS = -lX11
I get:

g++ -O2 -o aplus.exe mainC.o aplus_main.o aplus_uext.o matherr.o
-L/usr/local/aplus-fsf-4.22/src/IPC
-L/usr/local/aplus-fsf-4.22/src/cxs
-L/usr/local/aplus-fsf-4.22/src/cxb
-L/usr/local/aplus-fsf-4.22/src/AplusGUI
-L/usr/local/aplus-fsf-4.22/src/cxsys
-L/usr/local/aplus-fsf-4.22/src/cxc
-L/usr/local/aplus-fsf-4.22/src/esf -L/usr/local/aplus-fsf-4.22/src/a
-L/usr/local/aplus-fsf-4.22/src/dap
-L/usr/local/aplus-fsf-4.22/src/MSGUI
-L/usr/local/aplus-fsf-4.22/src/MSIPC
-L/usr/local/aplus-fsf-4.22/src/MSTypes .libs/libimp-cygX11-6.a
.libs/libimp-cygxcb-1.a .libs/libimp-cygXau-6.a
.libs/libimp-cygXdmcp-6.a ../../src/IPC/.libs/libIPC.a
../../src/cxs/.libs/libcxs.a ../../src/cxb/.libs/libcxb.a
../../src/AplusGUI/.libs/libAplusGUI.a
../../src/cxsys/.libs/libcxsys.a ../../src/cxc/.libs/libcxc.a
../../src/esf/.libs/libesf.a ../../src/a/.libs/liba.a
../../src/dap/.libs/libdap.a ../../src/MSGUI/.libs/libMSGUI.a
../../src/MSIPC/.libs/libMSIPC.a ../../src/MSTypes/.libs/libMSTypes.a
-lpthread -ldl
../../src/AplusGUI/.libs/libAplusGUI.a(AGIF.o):AGIF.C:(.text+0x13ba):
undefined reference to `_XWarpPointer'

I have tried numerous other variations.
The one that appears to work best is:
   X_INCLUDES = /usr/include
   X_LIBS = -L /usr/include/X11 \
but then I get errors with       am__include

The Makefile was generated by Automake 1.6.3.
When I try to generate a new one, I get;

$ automake
automake: `configure.ac' or `configure.in' is required

As there is no   configure.ac    or    configure.in
I am coming to the conclusion that I may need to learn Autotools and
construct a fresh build process.

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Re: Linking Errors related to X11

[Larry Hall (Cygwin-X)]

On 3/22/2012 10:33 AM, Christopher Faylor wrote:
> On Wed, Mar 21, 2012 at 07:04:54PM -0400, Larry Hall (Cygwin-X) wrote:
>> On 3/21/2012 6:19 PM, Tom Szczesny wrote:
>>> I am attempting to port the aplus-fsf-4.22 package (available at
>>> www.aplusdev.org) to cygwin,
>>> and I'm getting linking errors related to X11.
>>>
>>> I can build the package successfully on Gentoo Linux.
>>>
>>> The build on cygwin fails at   /aplus-fsf-4.22/src/main/aplus-main.c
>>> with many error messages related to X11, such as
>>>       undefined reference to '_XWarpPointer'.
>>>
>>> The Makefile.in contains the lines:
>>>      X_INCLUDES = @X_INCLUDES@
>>>      X_LIBS = @X_LIBS@
>>>
>>> which got translated (in the Makefile) to:
>>>      X_INCLUDES = -I
>>>      X_LIBS = -L -lX11
>>>
>>> While this works when building in Gentoo Linux, it does not appear to
>>> be correct for cygwin.
>>> What is the correct specification when building the package in cygwin?
>
> [I thought this was already answered in the cygwin list]

Me too. ;-)

>> Try these:
>>
>> X_INCLUDES = /usr/include
>> X_LIBS = -L /usr/include -lX11
>>
>> You can also override the faulty configure script values and point
>> directly at these paths with the -x-includes and -x-libraries
>> flags.
>
> The -L part is not right, Larry.  If anything, it should be -L /usr/lib
> but there's no need for that since /usr/lib is searched by default.  So
> both the -L and the -I should just be deleted.

Ugh.  Cut and paste error.  Thanks for the correction.


-- 
Larry

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

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Re: Linking Errors related to X11

[Christopher Faylor]

On Wed, Mar 21, 2012 at 07:04:54PM -0400, Larry Hall (Cygwin-X) wrote:
>On 3/21/2012 6:19 PM, Tom Szczesny wrote:
>> I am attempting to port the aplus-fsf-4.22 package (available at
>> www.aplusdev.org) to cygwin,
>> and I'm getting linking errors related to X11.
>>
>> I can build the package successfully on Gentoo Linux.
>>
>> The build on cygwin fails at   /aplus-fsf-4.22/src/main/aplus-main.c
>> with many error messages related to X11, such as
>>      undefined reference to '_XWarpPointer'.
>>
>> The Makefile.in contains the lines:
>>     X_INCLUDES = @X_INCLUDES@
>>     X_LIBS = @X_LIBS@
>>
>> which got translated (in the Makefile) to:
>>     X_INCLUDES = -I
>>     X_LIBS = -L -lX11
>>
>> While this works when building in Gentoo Linux, it does not appear to
>> be correct for cygwin.
>> What is the correct specification when building the package in cygwin?

[I thought this was already answered in the cygwin list]

>Try these:
>
>X_INCLUDES = /usr/include
>X_LIBS = -L /usr/include -lX11
>
>You can also override the faulty configure script values and point
>directly at these paths with the -x-includes and -x-libraries
>flags.

The -L part is not right, Larry.  If anything, it should be -L /usr/lib
but there's no need for that since /usr/lib is searched by default.  So
both the -L and the -I should just be deleted.

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Re: Linking Errors related to X11

[Larry Hall (Cygwin-X)]

On 3/21/2012 6:19 PM, Tom Szczesny wrote:
> I am attempting to port the aplus-fsf-4.22 package (available at
> www.aplusdev.org) to cygwin,
> and I'm getting linking errors related to X11.
>
> I can build the package successfully on Gentoo Linux.
>
> The build on cygwin fails at   /aplus-fsf-4.22/src/main/aplus-main.c
> with many error messages related to X11, such as
>      undefined reference to '_XWarpPointer'.
>
> The Makefile.in contains the lines:
>     X_INCLUDES = @X_INCLUDES@
>     X_LIBS = @X_LIBS@
>
> which got translated (in the Makefile) to:
>     X_INCLUDES = -I
>     X_LIBS = -L -lX11
>
> While this works when building in Gentoo Linux, it does not appear to
> be correct for cygwin.
> What is the correct specification when building the package in cygwin?

Try these:

X_INCLUDES = /usr/include
X_LIBS = -L /usr/include -lX11

You can also override the faulty configure script values and point
directly at these paths with the -x-includes and -x-libraries
flags.

I didn't test these settings so you may need to experiment a little.
But essentially you can find the paths you're looking for by checking
out the contents on the libX11-devel package, which you should
already have.




-- 
Larry

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

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Linking Errors related to X11

[Tom Szczesny]

I am attempting to port the aplus-fsf-4.22 package (available at
www.aplusdev.org) to cygwin,
and I'm getting linking errors related to X11.

I can build the package successfully on Gentoo Linux.

The build on cygwin fails at   /aplus-fsf-4.22/src/main/aplus-main.c
with many error messages related to X11, such as
    undefined reference to '_XWarpPointer'.

The Makefile.in contains the lines:
   X_INCLUDES = @X_INCLUDES@
   X_LIBS = @X_LIBS@

which got translated (in the Makefile) to:
   X_INCLUDES = -I
   X_LIBS = -L -lX11

While this works when building in Gentoo Linux, it does not appear to
be correct for cygwin.
What is the correct specification when building the package in cygwin?

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