Upgrade to 1.12.0.

Add upstreamed patch for fixing non-valid .ttl files.
Add further optdepends for the various plugin types.

PKGBUILD

@@ -3,8 +3,8 @@
 # Contributor: Alessio Biancalana <dottorblaster@gmail.com>
 
 pkgname=amsynth
-pkgver=1.11.0
-pkgrel=3
+pkgver=1.12.0
+pkgrel=1
 pkgdesc="Analogue Modeling SYNTHesizer"
 arch=('x86_64')
 url="https://amsynth.github.io/"
@@ -15,16 +15,23 @@ makedepends=('atk' 'autoconf-archive' 'dssi' 'freetype2' 'glib2' 'gtk2'
 'harfbuzz' 'intltool' 'jack' 'ladspa' 'liblo' 'lv2' 'pandoc')
 checkdepends=('lv2lint')
 optdepends=('alsa-lib: for standalone application'
+            'dssi-host: for DSSI plugin'
             'jack: for standalone application'
             'liblo: for standalone application and DSSI plugin'
-            'new-session-manager: for session management with the standalone application')
-source=("${pkgname}-${pkgver}.tar.gz::https://github.com/amsynth/amsynth/archive/release-${pkgver}.tar.gz")
-sha512sums=('b5d08fa244362406afd9eed88c7fb334c80b792b3b5224f6e7bcdae0d78c620150b0d0bd028f31ce907272f1de46c26025ff172170e98a4be4df4cc1002eda7c')
-b2sums=('e2a97d0e8a73203ceae80dd3ee5104a1bf12dbf84f74b6ffe45d7046f4e25195ca4eb15c5db9ffeb89a1d8d09b3cf0a1f723f6ccc3429df72aff473a0060caa6')
+            'new-session-manager: for session management with the standalone application'
+            'lv2-host: for LV2 plugin'
+            'vst-host: for VST plugin')
+source=("${pkgname}-${pkgver}.tar.gz::https://github.com/amsynth/amsynth/archive/release-${pkgver}.tar.gz"
+        "${pkgname}-1.12.0-fix_ttl.patch::https://github.com/amsynth/amsynth/pull/179/commits/ecbb2dbe37f67cfe5ec90a4a806c3f4d24b74adb.patch")
+sha512sums=('800ae249805a470118df5d6f4bb8e790df41004c7cb09f5ef5732346bad91ed3d864357d1245cddb06960a51325ed618b4b33bcac0eda98ea45a8124cc793041'
+            '13e7f4e67aed1ddaafc06a81a3e24a8b9b2af614c346f4d2f6b80a01340597b6e86f676557958fdb896348efc90cee4290dd1766a53203dad4d9d2c2d5fd097f')
+b2sums=('c89fe6c3683b050f76d72524816bc8b490870e87592eff888766d8dfd801b94ed854433d1021b39f0981933f4b0a995749a88ff0e5a2be2cb4c6b754f24ae93c'
+        'f1a60b2f6ed614e44ed4712767914529ef3984a3532bbc24a88dac7147de3a23f2563c16887df641b0be0d738006553067cc77d864cb16b00696930ecdffe028')
 
 prepare() {
   mv -v "${pkgname}-release-${pkgver}" "${pkgname}-${pkgver}"
   cd "${pkgname}-${pkgver}"
+  patch -Np1 -i ../"${pkgname}-1.12.0-fix_ttl.patch"
   autoreconf -vfi
   intltoolize -f
 }