2:10 p.m.
Hello, XEmacs.
When I try to build XEmacs-21.4.22 on a fully normal Gnu/Linux system, I
get the following errors:
gcc -c -g -O3 -Wall -Wno-switch -Winline -Wmissing-prototypes -Wsign-compare
-fno-strict-aliasing -Wshadow -Demacs -I. -DHAVE_CONFIG_H glyphs-eimage.c
glyphs-eimage.c: In function 'png_instantiate':
glyphs-eimage.c:940:22: error: dereferencing pointer to incomplete type
glyphs-eimage.c:941:21: error: dereferencing pointer to incomplete type
glyphs-eimage.c:993:17: error: dereferencing pointer to incomplete type
glyphs-eimage.c:996:17: error: dereferencing pointer to incomplete type
glyphs-eimage.c:997:17: error: dereferencing pointer to incomplete type
glyphs-eimage.c:1000:17: error: dereferencing pointer to incomplete type
glyphs-eimage.c:1003:17: error: dereferencing pointer to incomplete type
glyphs-eimage.c:1006:17: error: dereferencing pointer to incomplete type
glyphs-eimage.c:1008:14: error: dereferencing pointer to incomplete type
make[1]: *** [glyphs-eimage.o] Error 1
This used to work fine. I think I've upgraded GCC in the meantime.
Has anybody else seen this, or can anybody offer me any suggestions?
Thanks!
--
Alan Mackenzie (Nuremberg, Germany).
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3:11 p.m.
On 2012-02-11, Alan Mackenzie <acm(a)muc.de> wrote:
When I try to build XEmacs-21.4.22 on a fully normal Gnu/Linux
system, I
get the following errors:
gcc -c -g -O3 -Wall -Wno-switch -Winline -Wmissing-prototypes -Wsign-compare
-fno-strict-aliasing -Wshadow -Demacs -I. -DHAVE_CONFIG_H glyphs-eimage.c
glyphs-eimage.c: In function 'png_instantiate':
glyphs-eimage.c:940:22: error: dereferencing pointer to incomplete type
Has anybody else seen this, or can anybody offer me any suggestions?
Suggestion: google the error message and png, and read the first
few hits.
XEmacs is using no longer supported direct access to png structures.
Downgrade your png, or change the code to use the advertised methods.
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11:40 p.m.
Hi, Julian.
On Sat, Feb 11, 2012 at 03:11:06PM +0000, Julian Bradfield wrote:
On 2012-02-11, Alan Mackenzie <acm(a)muc.de> wrote:
> When I try to build XEmacs-21.4.22 on a fully normal Gnu/Linux system, I
> get the following errors:
> gcc -c -g -O3 -Wall -Wno-switch -Winline -Wmissing-prototypes
-Wsign-compare -fno-strict-aliasing -Wshadow -Demacs -I. -DHAVE_CONFIG_H glyphs-eimage.c
> glyphs-eimage.c: In function 'png_instantiate':
> glyphs-eimage.c:940:22: error: dereferencing pointer to incomplete type
> Has anybody else seen this, or can anybody offer me any
suggestions?
Suggestion: google the error message and png, and read the first
few hits.
XEmacs is using no longer supported direct access to png structures.
Downgrade your png, or change the code to use the advertised methods.
I did just that, and it was indeed so. In one of the hits I found,
Adrian Kehoe recommended "with-png=no" in ./configure. I did that, and
it now builds. Thanks!
--
Alan Mackenzie (Nuremberg, Germany).
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6:20 a.m.
Alan Mackenzie writes:
This used to work fine. I think I've upgraded GCC in the
meantime.
Has anybody else seen this, or can anybody offer me any suggestions?
See Julian's message for explanation. I believe there's already a
patch in the 21.4 tree. I'll try to get it for you later.
Steve
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7:19 a.m.
On Mon, 2012-02-13 at 15:20 +0900, Stephen J. Turnbull wrote:
Alan Mackenzie writes:
> This used to work fine. I think I've upgraded GCC in the meantime.
>
> Has anybody else seen this, or can anybody offer me any suggestions?
See Julian's message for explanation. I believe there's already a
patch in the 21.4 tree. I'll try to get it for you later.
We have fixes for this in our Gentoo patch set:
http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/app-editors/xemac...
Kind regards,
Hans
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10:25 a.m.
Ar an naoú lá déag de mí Feabhra, scríobh Hans de Graaff:
On Mon, 2012-02-13 at 15:20 +0900, Stephen J. Turnbull wrote:
> Alan Mackenzie writes:
>
> > This used to work fine. I think I've upgraded GCC in the meantime.
> >
> > Has anybody else seen this, or can anybody offer me any suggestions?
>
> See Julian's message for explanation. I believe there's already a
> patch in the 21.4 tree. I'll try to get it for you later.
We have fixes for this in our Gentoo patch set:
http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/app-editors/xemac...
Your patch there (xemacs-21.4.22-libpng15.patch) has a bug:
47 {
49 png_textp text;
50 int num_text;
51
53 for (i = 0 ; i < num_text ; i++)
54 {
55 /* How paranoid do I have to be about no trailing NULLs, and
56 using (int)info_ptr->text[i].text_length, and strncpy and a temp
57 string somewhere? */
58
59 warn_when_safe (Qpng, Qinfo, "%s - %s",
62 text[i].key,
63 text[i].text);
64 }
65 }
num_text is never initialised. The 21.5 change should work,
https://bitbucket.org/xemacs/xemacs/changeset/6c3a695f54f5 .
--
‘Iodine deficiency was endemic in parts of the UK until, through what has been
described as “an unplanned and accidental public health triumph”, iodine was
added to cattle feed to improve milk production in the 1930s.’
(EN Pearce, Lancet, June 2011)
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6:37 p.m.
On Sun, Feb 19, 2012 at 2:19 AM, Hans de Graaff <graaff(a)gentoo.org> wrote:
On Mon, 2012-02-13 at 15:20 +0900, Stephen J. Turnbull wrote:
> Alan Mackenzie writes:
>
> > This used to work fine. I think I've upgraded GCC in the meantime.
> >
> > Has anybody else seen this, or can anybody offer me any suggestions?
>
> See Julian's message for explanation. I believe there's already a
> patch in the 21.4 tree. I'll try to get it for you later.
I finally checked in a fix for this last night (including a fix for
the issue Aidan identified in the unenabled code).
Hans - are there more gentoo fixes I should apply to the 21.4 branch?
Thanks,
Vin
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7:08 a.m.
On Thu, 2012-07-12 at 13:37 -0400, Vin Shelton wrote:
I finally checked in a fix for this last night (including a fix for
the issue Aidan identified in the unenabled code).
Hans - are there more gentoo fixes I should apply to the 21.4 branch?
Our ebuilds and patches are here:
http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/app-editors/xemacs/
I think some of the other patches are already applied, and I know the db
patch is probably specific to how we deal with db in Gentoo.
Kind regards,
Hans
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7 comments
6 participants
participants (6)
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Aidan Kehoe -
Alan Mackenzie -
Hans de Graaff -
Julian Bradfield -
Stephen J. Turnbull -
Vin Shelton