I'm trying to run pip install zbar and for some reason I can't seem to find an answer to solve this dependency issue. Any help would be extremely appreciated. See traceback below:

Downloading/unpacking zbarDownloading zbar-0.10.tar.bz2Running setup.py egg_info for package zbarInstalling collected packages: zbarRunning setup.py install for zbarbuilding 'zbar' extensionclang -fno-strict-aliasing -fno-common -dynamic -I/usr/local/include -I/usr/local/opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/local/Cellar/python/2.7.7_2/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c zbarmodule.c -o build/temp.macosx-10.9-x86_64-2.7/zbarmodule.oIn file included from zbarmodule.c:24:./zbarmodule.h:26:10: fatal error: 'zbar.h' file not found#include <zbar.h>^1 error generated.error: command 'clang' failed with exit status 1running installrunning buildrunning build_extbuilding 'zbar' extensioncreating buildcreating build/temp.macosx-10.9-x86_64-2.7clang -fno-strict-aliasing -fno-common -dynamic -I/usr/local/include -I/usr/local/opt/sqlite/include -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/usr/local/Cellar/python/2.7.7_2/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c zbarmodule.c -o build/temp.macosx-10.9-x86_64-2.7/zbarmodule.oIn file included from zbarmodule.c:24:./zbarmodule.h:26:10: fatal error: 'zbar.h' file not foundinclude <zbar.h>^1 error generated.error: command 'clang' failed with exit status 1

In my case I was running Ubuntu and had to install libzbar-dev package:
sudo apt-get install libzbar-dev