A) Instalar o SVN.
itamar@itamar-desktop:~$ svn
Comando 'svn' não encontrado, mas poder ser instalado com:
sudo apt install subversion
Baixando os fontes do SVN
itamar@itamar-desktop:~$ svn checkout https://svn.code.sf.net/p/hwgui/code/trunk hwgui-fonte
A hwgui-fonte/hwgui
A hwgui-fonte/hwgui/contrib
A hwgui-fonte/hwgui/contrib/hwmake
A hwgui-fonte/hwgui/contrib/hwreport
A hwgui-fonte/hwgui/contrib/misc
A hwgui-fonte/hwgui/contrib/activex
A hwgui-fonte/hwgui/contrib/hwreport/test.dbf
A hwgui-fonte/hwgui/contrib/make_w32.bat
A hwgui-fonte/hwgui/contrib/build.sh
...
Gerando o LIB usando GTK2
itamar@itamar-desktop:~$ cd hwgui-fonte/
itamar@itamar-desktop:~/hwgui-fonte$ cd hwgui/
itamar@itamar-desktop:~/hwgui-fonte/hwgui$ hbmk2 hwgui.hbp
hbmk2: Harbour: Compilando módulos...
hbmk2: Compilando...
Saudações,
Itamar M. Lins Jr.