Doxygen - make: Nothing to be done for `doc'.

[Hoang Nguyen]

Hi,

I'm compiling Doxygen (v1.8.14) to generate documentations locally for MoFEM which has been installed using spack.

At the directory

~/mofem_install/lib

this command is executed

make doc

then only following message appeared

make: Nothing to be done for `doc'.

Can anyone help in this case please?

Thank you.

Regards,

Hoang

[Lukasz Kaczmraczyk]

Hello,

If you do

cat CMakeCache.txt | grep doxygen

you should see 

DOXYGEN_EXECUTABLE:FILEPATH=/usr/local/bin/doxygenor any other path to doxygen.

or any other path to doxygen. If you have nothing, it means that mofem does not see doxygen in your system. That could be case If you installed doxygen after installation of mofem, mofem does not know that doxygen has been installed. 

To fix this;

1) 

You have to check if you can access doxygen from command line. You can load doxygen, by doing 

spak load doxygen

Chceck if your doxygen is installed with the graphviz. 

I using doxygen from homebrew, installed as following

brew install --with-graphviz doxygen

2)

You have to rebuild cmake configuration, by rerunning for core library 

./spconfig $PATH_TO_YOUR_SORCE

Kind regards,

Lukasz