I'm having problems installing "Building BRITE Integration" on ns-3.45.

[Wagner de Oliveira]

Good morning, my name is Wagner. I'm new to this software. I'm using VMware Workstation 17.5.1 and Ubuntu 24.04. I'm trying to install "Building BRITE Integration" on ns-3.45, according to the document "ns-3 Model Library, release ns-3.45, ns-3 project, June 2, 2025."

However, the directories and folders "brite/lib/libbrite.a" and "brite/include/brite.h" won't install.

1) I used the "hg" commands:
$ hg clone http://code.nsnam.org/BRITE
$ cd BRITE
$ make
$ ./ns3 configure --with-brite=/your/path/to/brite/source --enable-examples
$ ./ns3

2) These folders and files won't install.

ls .../ns-allinone-3.45/brite/lib/libbrite.a
ls .../ns-allinone-3.45/brite/include/Brite.h

3) I uninstalled and reinstalled.

4) I also used the "gitlab" command.
$ cd ~/ns-allinone-3.45
$ git clone https://gitlab.com/nsnam/brite.git
$ cd brite
$ make

./ns3 build
./ns3 show | grep -i brite

5) Install minimal dependencies

$ sudo apt update
$ sudo apt install -y build-essential bison flex

Can you please help me? I've already tried everything to install it, but it seems like a bug.

[Tom Henderson]

Sorry about that; we need to update our documentation.  brite has migrated to our GitLab.com and is using CMake; see:

https://gitlab.com/nsnam/BRITE.git

So instead of mercurial clone, I recommend that you instead git clone the above and use CMake.  I just tried this, successfully:

git clone https://gitlab.com/nsnam/BRITE.git

cd BRITE

mkdir build && cd build

cmake ..

make

This built a libbrite.so in the build directory.

I'll file a bug report to fix the documentation.

There is also another alternative to the above.  The following command is used by the ns-3 CI system to check the brite module; it will build brite internally and place it in build/lib/libbrite.so

./ns3 configure --enable-examples --enable-tests -- -DNS3_FETCH_OPTIONAL_COMPONENTS=ON
./ns3 build

(the above optional components flag will cause brite, click, and openflow libraries to be built within the ns-3 directory)

- Tom

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[Wagner de Oliveira]

Hello "Tom Henderson"

Thanks (Obrigado)