./waf configure does not find installed libraries

[ghost]

I'm trying to install Essentia with ffmpeg installed in my home, but ./waf configure fails at finding the libraries, though they are in my LD_LIBRARY_PATH. Any suggestion?

[dude@here essentia]$ echo $LD_LIBRARY_PATH 
/home/dude/.local/lib:(...)

[dude@here essentia]$ ll /home/dude/.local/lib/
total 246M
-rw-r--r-- 1 dude users 146M  2 avril 21:14 libavcodec.a
-rw-r--r-- 1 dude users 1,8M  2 avril 21:13 libavdevice.a
-rw-r--r-- 1 dude users  26M  2 avril 21:13 libavfilter.a
-rw-r--r-- 1 dude users  46M  2 avril 21:13 libavformat.a
-rw-r--r-- 1 dude users 2,0M  2 avril 21:14 libavutil.a
-rw-r--r-- 1 dude users 9,9M  2 avril 20:54 libfdk-aac.a
-rwxr-xr-x 1 dude users  954  2 avril 20:54 libfdk-aac.la
lrwxrwxrwx 1 dude users   19  2 avril 20:54 libfdk-aac.so -> libfdk-aac.so.1.0.0
lrwxrwxrwx 1 dude users   19  2 avril 20:54 libfdk-aac.so.1 -> libfdk-aac.so.1.0.0
-rwxr-xr-x 1 dude users 5,2M  2 avril 20:54 libfdk-aac.so.1.0.0
-rw-r--r-- 1 dude users 1,7M  2 avril 21:14 libpostproc.a
-rw-r--r-- 1 dude users 541K  2 avril 21:14 libswresample.a
-rw-r--r-- 1 dude users 4,4M  2 avril 21:14 libswscale.a
-rw-r--r-- 1 dude users 3,9M  2 avril 20:44 libyasm.a
drwxr-xr-x 2 dude users 4,0K  2 avril 21:14 pkgconfig
drwxr-xr-x 3 dude users   26  1 avril 16:57 python2.7

[dude@here essentia]$ ./waf configure --mode=release --with-python --with-cpptests --prefix=/home/dude/.local
Setting top to                           : /home/dude/tmp/essentia 
Setting out to                           : /home/dude/tmp/essentia/build 
→ configuring the project in /home/dude/tmp/essentia
→ Building in release mode
Checking for 'g++' (c++ compiler)        : /usr/bin/g++ 
Checking for 'gcc' (c compiler)          : /usr/bin/gcc 
Checking for program pkg-config          : /usr/bin/pkg-config 
Checking for 'libavcodec' >= 53.25.0     : not found 
Checking for 'libavformat'               : not found 
Checking for 'libavutil'                 : not found 
Checking for 'libavresample'             : not found 
Checking for 'libswresample'             : not found 
Checking for 'samplerate'                : not found 
Checking for 'taglib' >= 1.9             : not found 
Checking for 'yaml-0.1'                  : not found 
Checking for 'fftw3f'                    : yes 
Checking for program python              : /home/dude/.localpython/bin/python 
Checking for python version              : (2, 7, 9, 'final', 0) 
Checking for library python2.7 in LIBDIR : yes 
Checking for program /home/dude/.localpython/bin/python-config,python2.7-config,python-config-2.7,python2.7m-config : /home/dude/.localpython/bin/python-config 
Checking for header Python.h                                                                                          : yes 

================================ CONFIGURATION SUMMARY ================================
- fftw detected!
- FFmpeg (or LibAv on debian/ubuntu) seems to be missing.
  The following algorithms will be ignored: ['AudioLoader', 'MonoLoader', 'EqloudLoader', 'EasyLoader', 'MonoWriter', 'AudioWriter']

- libsamplerate seems to be missing.
  The following algorithms will be ignored: ['Resample', 'MonoLoader', 'EqloudLoader', 'EasyLoader']

  Examples requiring FFmpeg / libav and libsamplerate will be ignored

- TagLib seems to be missing.
  The following algorithms will be ignored: ['MetadataReader']

- libyaml seems to be missing.
  The following algorithms will be ignored: ['YamlInput', 'YamlOutput']

- Essentia is configured without Gaia2.
  The following algorithms will be ignored: ['GaiaTransform']
  Examples requiring Gaia2 will be ignored

=======================================================================================
'configure' finished successfully (1.653s)

[dbogdanov]

./waf configure is using pkg-config to detect libraries. Specify the path to your library in PKG_CONFIG_PATH environmental variable.