New comment by zenny on void-packages repository

https://github.com/void-linux/void-packages/issues/26349#issuecomment-781905495

Comment:
> @zenny is this still necessary given work on #27193 on espeak-ng?
> 

Yep, because espeak-ng produces robotic voice whereas rhvoice has more natural output.

> The `build` and `package` functions aren't doing anything, void uses `do_build` and `do_install` for this functionality. You don't really need them, though. Just make `post_install` with
> 
> ```
> ln -s "../lib/speech-dispatcher-modules/sd_rhvoice" "${DESTDIR}/usr/bin/sd_rhvoice"


```
# Template file for 'RHVoice'
pkgname=rhvoice
version=1.2.3
revision=1
wrksrc="RHVoice-${version}"
build_style=scons
depends="speech-dispatcher libpulseaudio"
makedepends="scons portaudio libao"
optdepends="'portaudio: for portaudio backend' 'libao: for ao backend'"
backup="etc/RHVoice/RHVoice.conf"
short_desc="Free and open source speech synthesizer for Russian and other languages"
maintainer="zenny <garbytrash@gmail.com>"
license="GPL-3.0-or-later"
homepage="https://github.com/Olga-Yakovleva/RHVoice"
distfiles="https://github.com/Olga-Yakovleva/RHVoice/archive/${version}.tar.gz"
checksum=d104f20dc75fcd133d21751a6e894d34b423e12e4784350b4b9573c727fb71cd


do_build() {
	cd "$wrksrc/RHVoice-${version}"
	scons prefix="/usr" sysconfdir="/etc" CPPFLAGS="$CPPFLAGS" CCFLAGS="$CFLAGS" \
	      LINKFLAGS="$LDFLAGS"
}

post_install() {
	cd "$wrksrc/RHVoice-${version}"
	mkdir -p "${DESTDIR}/usr/lib/speech-dispatcher-modules"
scons install DESTDIR="${DESTDIR}" prefix="/usr" sysconfdir="/etc" \
	      CPPFLAGS="$CPPFLAGS" CCFLAGS="$CFLAGS" LINKFLAGS="$LDFLAGS"
	      ln -s "../lib/speech-dispatcher-modules/sd_rhvoice" "${DESTDIR}/usr/bin/sd_rhvoice"
}
```

With above, error reported were missing `[runtime] speech-dispatcher-0.10.1_3` among others:

 ```
$ ./xbps-src pkg rhvoice
=> xbps-src: updating repositories for host (x86_64)...
[*] Updating repository `https://alpha.de.repo.voidlinux.org/current/x86_64-repodata' ...
[*] Updating repository `https://alpha.de.repo.voidlinux.org/current/nonfree/x86_64-repodata' ...
[*] Updating repository `https://alpha.de.repo.voidlinux.org/current/debug/x86_64-repodata' ...
[*] Updating repository `https://alpha.de.repo.voidlinux.org/current/multilib/x86_64-repodata' ...
[*] Updating repository `https://alpha.de.repo.voidlinux.org/current/multilib/nonfree/x86_64-repodata' ...
=> xbps-src: updating software in / masterdir...
=> xbps-src: cleaning up / masterdir...
=> rhvoice-1.2.3_1: removing autodeps, please wait...
=> rhvoice-1.2.3_1: building [scons] for x86_64...
   [host] scons-4.0.1_2: found (https://alpha.de.repo.voidlinux.org/current)
   [target] scons-4.0.1_2: found (https://alpha.de.repo.voidlinux.org/current)
   [target] portaudio-190600.20161030_6: found (https://alpha.de.repo.voidlinux.org/current)
   [target] libao-1.2.2_1: found (https://alpha.de.repo.voidlinux.org/current)
   [runtime] speech-dispatcher-0.10.1_3: not found
   [runtime] libpulseaudio-14.2_1: found (https://alpha.de.repo.voidlinux.org/current)
=> rhvoice-1.2.3_1: installing host dependencies: scons-4.0.1_2 ...
=> rhvoice-1.2.3_1: installing target dependencies: scons-4.0.1_2 portaudio-190600.20161030_6 libao-1.2.2_1 ...
=> rhvoice-1.2.3_1: running pre-build hook: 02-script-wrapper ...
=> rhvoice-1.2.3_1: running do_build ...
/void-packages/srcpkgs/rhvoice/template: line 20: cd: /builddir/RHVoice-1.2.3/RHVoice-1.2.3: No such file or directory
=> ERROR: rhvoice-1.2.3_1: do_build: 'cd "$wrksrc/RHVoice-${version}"' exited with 1
=> ERROR:   in do_build() at srcpkgs/rhvoice/template:20
```

> 
> and you should be good.

Cheers,