build log:
[  104s] g++ -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector-strong
-funwind-tables -fasynchronous-unwind-tables -fstack-clash-protection
-Werror=return-type -flto=auto -DOPENSSL_LOAD_CONF -g -Wall -fprofile-arcs
-ftest-coverage -fno-access-control -O0 -O2 -std=gnu++11 -pthread -Wall -Wextra
-D_REENTRANT -fPIC -DVERSION=5.9.13 -DQT_NO_DEBUG_OUTPUT
-DQT_DEPRECATED_WARNINGS -DQT_NO_DEBUG -DQT_PRINTSUPPORT_LIB -DQT_WIDGETS_LIB
-DQT_GUI_LIB -DQT_SQL_LIB -DQT_DBUS_LIB -DQT_TESTLIB_LIB -DQT_CORE_LIB
-DQT_TESTCASE_BUILDDIR='"/home/abuild/rpmbuild/BUILD/deepin-reader-5.9.13/tests"'
-c ./qrc_files.cpp -o ./qrc_files.tmp.o 
[  104s] /usr/lib64/qt5/bin/rcc -name files files.qrc -pass 2 -temp
./qrc_files.tmp.o -o qrc_files.o
[  104s] No data signature found
[  104s] make[1]: *** [Makefile:884: qrc_files.o] Error 1
[  104s] make[1]: Leaving directory
'/home/abuild/rpmbuild/BUILD/deepin-reader-5.9.13/tests'
[  105s] make[1]: Entering directory
'/home/abuild/rpmbuild/BUILD/deepin-reader-5.9.13/tests'

Removing resources_big from .pro can workaround this issue. But it will be out
of memory.