Build requirements

libsoletta and tools

Dependency	version	optional	comment
chrpath		yes	If building without chrpath the user is supposed to adjust LD_LIBRARY_PATH or so to be able to run soletta binaries from build directory
gcc	>= 4.7	no
python	>= 3.4	no
python3-jsonschema		no
libncurses5-dev		no	Required for building
libncursesw5-dev		no	Required for building
graphviz		yes	Required for 'make doc'
imagemagick		yes	Required for 'make doc'
bzip2		yes	Required for 'make doc'
doxygen		yes	Required for 'make doc'
gawk		yes	Required for 'make doc'. others as mawk and original-awk lack "-e" option used in the Makefile

Node types dependencies

Nodetype	Dependency	version	optional	comment
udev	libudev	>=204	yes	Depends on API available since libudev 183 (but 183 was not tested yet).
gtk	GTK+3	>= 3.1X	yes	Enables GTK widgets to emulate hardware components
http-client	libcurl		yes
http-server	libmicrohttpd	>=0.9.43	yes
js	duktape		yes	git submodule init && git submodule update to fetch the code

Features

Feature	Dependency	version	optional	comment
oic-server	tinycbor	>= 0.2	yes	git submodule init && git submodule update to fetch the code
MQTT	mosquitto	>= 1.4	yes
LWM2M	built-in		yes	requires a libc with long long type support in IO functions like printf/scanf (in Newlib it would be the --enable-newlib-io-long-long option turned on) to function properly

Strings

Dependency	version	optional	comment
ICU	>= 52.1	yes
libpcre	>= 8.12	yes