ladspa-sdk-dev software package provides virtual package provided by ladspa-sdk, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ladspa-sdk-dev
ladspa-sdk-dev is installed in your system.
Make ensure the ladspa-sdk-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep ladspa-sdk-dev*
You will get with ladspa-sdk-dev package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Virtual packages |
| Package | ladspa-sdk-dev |
| Version | |
| Description | virtual package provided by ladspa-sdk |
| Sub Section | virtual |