scons -c install don't work

Installation & Configuration Linux
#1

scons install works perfect

but i can not uninstall ardour

scons -c install give this error
pkg-config >= 0.8.0 not found.

but
scons install say this

scons: Reading SConscript files …
Checking for pkg-config version >= 0.8.0… (cached) yes
Checking for gthread-2.0… (cached) yes
Checking for lrdf… (cached) yes
Checking for libgnomecanvas-2.0… (cached) yes
Checking for gtk±2.0… (cached) yes
Checking for jack… (cached) yes
Checking for samplerate… (cached) yes
Checking for glib-2.0… (cached) yes
Checking for libxml-2.0… (cached) yes
Checking for raptor… (cached) yes

how can i uninstall ardour???
thx wolke

#2 
rm /usr/local/bin/ardour2
rm -rf /usr/local/share/ardour2
rm -rf /usr/local/lib/ardour2

that should do the trick if you really want to get rid of it.