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Installation of Hemera and third-party tools

configure: error: no acceptable C compiler found in $PATH

You must prepare your computer for compiling source code.

make: *** No targets specified and no makefile found. Stop.

First, you must prepare your computer for compiling source code to ensure having GNU version of make.

Then, ensure a Makefile is available in the directory in which you launched the command.
The most of third-party tools uses autotools, so you usually need to launch ./configure to create such Makefile.

Hemera use

There is WARNING or ERROR when using Hemera

In this case, follow these instructions until you find a solution:

  • fix the issue if the message gives instruction
  • check the log (indicated on standard output) for more details
  • lookup solution on other section of this Troubleshooting page
  • ask for solution on the Help Forum

GNU version of which not found. Please install it

Hemera requires GNU version of which, which is natively provided by some GNU/Linux distribution.
Anyway, it is not the case of Debian-like GNU/Linux, in which case you must install it from source.

Unable to record sound with microphone / Speech recognition system does nothing

You must ensure you can record with your microphone.
You can then perform sound check.

Speech core module

/usr/share/mbrola/voices/fr1 not found

Seen under Debian-like GNU/Linux distribution; to fix it, you can create a symbolic link:

ln -s /usr/share/mbrola/voices/fr4 /usr/share/mbrola/voices/fr1

Speech Recognition core module

lia_phon is stuck on "Initialisation des tableaux 1.2.3-grams"

If you have an x86_64 OS architecture, you must force lia_phon compilation to ix86.
You can use the patch provided by the Hemera little speech recognition model creation project .

sphinx3_decode failed in Segmentation Fault

There is some incompatibility between x86_64 old version of sphinx3_decode and UTF-8 language model.
You may follow these instructions.