Help to build on ubuntu 18.04/automake 1.15

In ./configure@1844:

-am__api_version='1.11'
+am__api_version='1.15'

$ ./configure
$ make
>> configure.ac:3: error: required file './compile' not found
$ automake --add-missing
$ make
>> hoards of gtk errors:
>> g++  -g -O2 -lusb `pkg-config --cflags --libs gtk+-2.0`  -o oscope2100 oscope2100_common.o ConfigFile.o oscope2100_interface.o oscope2100_usb.o -lusb 
>> oscope2100_common.o: In function `main':
>> [...]/oscope2100-1.1.0/src/oscope2100_common.cpp:347: undefined reference to `gtk_set_locale'
$ cd src
$ g++  -g -O2 -lusb `pkg-config --cflags gtk+-2.0`  -o oscope2100 oscope2100_common.o ConfigFile.o oscope2100_interface.o oscope2100_usb.o -lusb `pkg-config --cflags --libs gtk+-2.0`

$ cd ..
$ sudo make install