Use Cool Reader Engine

[johndoe71rus]

вручную применил #17 реквест к основному коду, собрал myrulib.
решил собрать с cool reader. конфиг прошел нормально. при сборке вылезла ошибка

./3rdparty/crengine/src/../include/lvref.h: In member function ‘void LVDocView::requestRender()’:
./3rdparty/crengine/src/../include/lvref.h:34:28: note: declared here
   34 |     static ref_count_rec_t null_ref;
      |                            ^~~~~~~~
/home/johndoe/build/myrulib/myrulib/bk-deps g++ -c -o mrl_crengine_lvdrawbuf.o -I3rdparty/crengine/include -I./3rdparty/crengine/png -I./3rdparty/wxsqlite3/include -I/usr/lib/x86_64-linux-gnu/wx/include/gtk3-unicode-3.0 -I/usr/include/wx-3.0 -D_FILE_OFFSET_BITS=64 -DWXUSINGDLL -D__WXGTK__ -pthread  -g -O2 -I/usr/include/libxml2 -DFB_PARSE_LIBXML2  -DFB_INCLUDE_READER -I./3rdparty/crengine/include ./3rdparty/crengine/src/lvdrawbuf.cpp
/home/johndoe/build/myrulib/myrulib/bk-deps g++ -c -o mrl_crengine_lvfnt.o -I3rdparty/crengine/include -I./3rdparty/crengine/png -I./3rdparty/wxsqlite3/include -I/usr/lib/x86_64-linux-gnu/wx/include/gtk3-unicode-3.0 -I/usr/include/wx-3.0 -D_FILE_OFFSET_BITS=64 -DWXUSINGDLL -D__WXGTK__ -pthread  -g -O2 -I/usr/include/libxml2 -DFB_PARSE_LIBXML2  -DFB_INCLUDE_READER -I./3rdparty/crengine/include ./3rdparty/crengine/src/lvfnt.cpp
./3rdparty/crengine/src/lvfnt.cpp: In function ‘int lvfontOpen(const char*, void**)’:
./3rdparty/crengine/src/lvfnt.cpp:74:10: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   74 |     fread( *pfont, sz, 1, f );
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~
/home/johndoe/build/myrulib/myrulib/bk-deps g++ -c -o mrl_crengine_lvfntman.o -I3rdparty/crengine/include -I./3rdparty/crengine/png -I./3rdparty/wxsqlite3/include -I/usr/lib/x86_64-linux-gnu/wx/include/gtk3-unicode-3.0 -I/usr/include/wx-3.0 -D_FILE_OFFSET_BITS=64 -DWXUSINGDLL -D__WXGTK__ -pthread  -g -O2 -I/usr/include/libxml2 -DFB_PARSE_LIBXML2  -DFB_INCLUDE_READER -I./3rdparty/crengine/include ./3rdparty/crengine/src/lvfntman.cpp
./3rdparty/crengine/src/lvfntman.cpp:50:10: fatal error: freetype/config/ftheader.h: Нет такого файла или каталога
   50 | #include <freetype/config/ftheader.h>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make: *** [Makefile:586: mrl_crengine_lvfntman.o] Ошибка 1

lubuntu 22.04.4

[johndoe71rus]

попробовал еще раз собрать, были комменты. ну а вдруг. заметил варнинг при конфиге

checking for freetype-config... no
checking for FreeType -- version >= 2.3.0... no
configure: WARNING:

  The freetype-config script installed by FreeType 2 could not be found.
  If FreeType 2 was installed in PREFIX, make sure PREFIX/bin is in
  your path, or set the FT2_CONFIG environment variable to the
  full path to freetype-config.  

libfreetype-dev, libfreetype6-dev установлены.