[Linphone-developers] problem building for android

[Ozman khaled]

Hi, I am compiling Linphone for android using ubuntu. I get the following message. The ortp folder is there but still...Please  help

> checking for pkg-config... /usr/bin/pkg-config
> checking pkg-config is at least version 0.9.0... yes
> checking for ORTP... no
> configure: error: Package requirements (ortp >= 0.16.0) were not met:
>
> No package 'ortp' found
>
> Consider adjusting the PKG_CONFIG_PATH environment variable if you
> installed software in a non-standard prefix.
>
> Alternatively, you may set the environment variables ORTP_CFLAGS
> and ORTP_LIBS to avoid the need to call pkg-config.
>
> See the pkg-config man page for more details.