The following messages appear when building gwenview:

/opt/trinity/include/ntqglobal.h:711: error: 'INT32' has a previous declaration as 'typedef int INT32'

Configure output:

checking libmng.h usability... no
checking libmng.h presence... yes
configure: WARNING: libmng.h: present but cannot be compiled
configure: WARNING: libmng.h:     check for missing prerequisite headers?
configure: WARNING: libmng.h: see the Autoconf documentation
configure: WARNING: libmng.h:     section "Present But Cannot Be Compiled"
configure: WARNING: libmng.h: proceeding with the compiler's result
checking for libmng.h... no

Configure.log:

#include <libmng.h>
configure:25086: result: no
configure:25086: checking libmng.h presence
configure:25086: g++ -E  -DQT_THREAD_SUPPORT  -D_REENTRANT -I/opt/trinity/include -I. -include tqt.h  -I/opt/trinity/include/tde -I/usr/include/tqt conftest.cpp
configure:25086: $? = 0
configure:25086: result: yes
configure:25086: WARNING: libmng.h: present but cannot be compiled
configure:25086: WARNING: libmng.h:     check for missing prerequisite headers?
configure:25086: WARNING: libmng.h: see the Autoconf documentation
configure:25086: WARNING: libmng.h:     section "Present But Cannot Be Compiled"
configure:25086: WARNING: libmng.h: proceeding with the compiler's result
configure:25086: checking for libmng.h
configure:25086: result: no
configure:25161: WARNING: Can't find libmng.h, Gwenview won't be compiled with MNG support

Darrell