Вот привожу содержимое CMakeLists.txt
DOS
# (c) 2008 by BogDan Vatra < bogdan@licentia.eu >
project(quazip)
set(quazip_SRCS ioapi.c
quazip.cpp
quazipfile.cpp
quazipnewinfo.cpp
unzip.c
zip.c )
QT4_WRAP_CPP(quazip_SRCS quazipfile.h)
add_library(quazip SHARED ${quazip_SRCS})
set_target_properties(quazip PROPERTIES VERSION ${QUAZIP_VERSION}
SOVERSION ${QUAZIP_VERSION})
target_link_libraries(quazip ${QT_QTCORE_LIBRARY} ${ZLIB_LIBRARY} )
install(TARGETS quazip LIBRARY DESTINATION lib)
install(FILES crypt.h ioapi.h quazipfile.h quazipfileinfo.h quazip.h quazipnewinfo.h unzip.h zip.h
DESTINATION include/quazip COMPONENT Devel)
Я так понимаю ошибка здесь:
install(TARGETS quazip LIBRARY DESTINATION lib)