From: Sven Joachim <svenjoac@gmx.de>
To: 17429@debbugs.gnu.org
Cc: Sven Joachim <svenjoac@gmx.de>
Subject: bug#17429: 24.4.50; __pngconf.h__ in libpng already includes setjmp.h
Date: Wed, 07 May 2014 08:34:51 +0200 [thread overview]
Message-ID: <87r4462j1w.fsf@turtle.gmx.de> (raw)
Trunk does not build for me, I get an error when compiling image.c:
,----
| In file included from /usr/include/libpng12/png.h:540:0,
| from image.c:5515:
| /usr/include/libpng12/pngconf.h:371:21: error: expected '=', ',', ';', 'asm' or '__attribute__' before '.' token
| __pngconf.h__ in libpng already includes setjmp.h;
| ^
| /usr/include/libpng12/pngconf.h:372:12: error: unknown type name '__dont__'
| __dont__ include it again.;
| ^
| /usr/include/libpng12/pngconf.h:372:29: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'it'
| __dont__ include it again.;
| ^
| /usr/include/libpng12/pngconf.h:372:29: error: unknown type name 'it'
| Makefile:339: recipe for target 'image.o' failed
`----
In pngconf.h there is the following explanation:
,----
| #ifdef PNG_SETJMP_SUPPORTED
| /* This is an attempt to force a single setjmp behaviour on Linux. If
| * the X config stuff didn't define _BSD_SOURCE we wouldn't need this.
| *
| * You can bypass this test if you know that your application uses exactly
| * the same setjmp.h that was included when libpng was built. Only define
| * PNG_SKIP_SETJMP_CHECK while building your application, prior to the
| * application's '#include "png.h"'. Don't define PNG_SKIP_SETJMP_CHECK
| * while building a separate libpng library for general use.
| */
|
| # ifndef PNG_SKIP_SETJMP_CHECK
| # ifdef __linux__
| # ifdef _BSD_SOURCE
| # define PNG_SAVE_BSD_SOURCE
| # undef _BSD_SOURCE
| # endif
| # ifdef _SETJMP_H
| /* If you encounter a compiler error here, see the explanation
| * near the end of INSTALL.
| */
| __pngconf.h__ in libpng already includes setjmp.h;
| __dont__ include it again.;
| # endif
| # endif /* __linux__ */
| # endif /* PNG_SKIP_SETJMP_CHECK */
`----
This is with libpng 1.2.50.
next reply other threads:[~2014-05-07 6:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-07 6:34 Sven Joachim [this message]
2014-05-07 17:42 ` bug#17429: 24.4.50; __pngconf.h__ in libpng already includes setjmp.h Glenn Morris
2014-05-07 18:22 ` Paul Eggert
2014-05-07 18:41 ` Sven Joachim
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