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When compiling against libpng12, an error is thrown:
pngconf.h __dont__ does not name a type
This is known in Ubuntu and other OS's:
https://bugs.launchpad.net/ubuntu/+source/libpng/+bug/218409
The patch is as given in the above (/usr/include/libpng12/pngconf.h):
--- libpng12/pngconf.h
+++ libpng12/pngconf.h
@@ -323,8 +323,8 @@
/* If you encounter a compiler error here, see the explanation
* near the end of INSTALL.
*/
- __pngconf.h__ already includes setjmp.h;
- __dont__ include it again.;
+#warning __pngconf.h__ already includes setjmp.h;
+#warning __dont__ include it again.;
# endif
# endif /* __linux__ */
This is not a bug. libpng will not work correctly if you include <setjmp.h> in the wrong place, and that syntax error is trying to ensure that you don't end up with a malfunctioning program. Downgrading it to a warning would not be an improvement.
Thanks for the info. I ran into this porting MySQL Gui Tools to RHEL-6. I've fixed most of the other issues, but ran into that one, googled, and patched as indicated. I appreciate the response.