From 80cd79992540f33479f272cd4024d97e554b4220 Mon Sep 17 00:00:00 2001
From: Solomon Peachy <pizza@shaftnet.org>
Date: Thu, 20 Jun 2024 20:51:40 -0400
Subject: voice:  If $POOL is not set, use <build-dir>/voice-pool by default

It will _vastly_ speed up repeated voice builds.

The voice pool directory will not be erased by a 'make clean'

Change-Id: Ice58d5c5355abfa5a385dfca749f8063e2ee8622
---
 tools/configure | 3 +++
 tools/root.make | 4 ++++
 tools/voice.pl  | 4 ++--
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/tools/configure b/tools/configure
index 2579a38933..43f02f5643 100755
--- a/tools/configure
+++ b/tools/configure
@@ -1078,6 +1078,9 @@ Win(6)4 crosscompile, (T)est plugins, (O)mit plugins, S(m)all C lib, Logf to Ser
     for thislang in `echo $voicelanguage | sed 's/,/ /g'`; do
       voiceconfig "$thislang"
     done
+    if [ -z "$POOL" ] ; then
+	echo " \$POOL is not set, will use <builddir>/voice-pool by default"
+    fi
   fi
   if [ "yes" = "$use_debug" ]; then
     debug="-DDEBUG"
diff --git a/tools/root.make b/tools/root.make
index 6e96844465..b8637dc923 100644
--- a/tools/root.make
+++ b/tools/root.make
@@ -374,6 +374,10 @@ ifdef TTS_ENGINE
 
 voice: voicetools $(BUILDDIR)/apps/features
 	$(SILENT)for f in `cat $(BUILDDIR)/apps/features`; do feat="$$feat:$$f" ; done ; \
+	if [ -z "$$POOL" ] ; then \
+		export POOL="$(BUILDDIR)/voice-pool" ; \
+	fi;\
+	mkdir -p $${POOL} ;\
 	for lang in `echo $(VOICELANGUAGE) |sed "s/,/ /g"`; do $(TOOLSDIR)/voice.pl -V -l=$$lang -t=$(MODELNAME)$$feat -i=$(TARGET_ID) -e="$(ENCODER)" -E="$(ENC_OPTS)" -s=$(TTS_ENGINE) -S="$(TTS_OPTS)"; done
 
 talkclips: voicetools
diff --git a/tools/voice.pl b/tools/voice.pl
index c62e4c164a..0e58bad503 100755
--- a/tools/voice.pl
+++ b/tools/voice.pl
@@ -666,9 +666,9 @@ if ($V == 1) {
     $SIG{INT} = \&panic_cleanup;
     $SIG{KILL} = \&panic_cleanup;
 
-    printf("Generating voice\n  Target: %s\n  Language: %s\n  Encoder (options): %s (%s)\n  TTS Engine (options): %s (%s)\n",
+    printf("Generating voice\n  Target: %s\n  Language: %s\n  Encoder (options): %s (%s)\n  TTS Engine (options): %s (%s)\n  Pool directory: %s\n",
            defined($t) ? $t : "unknown",
-           $l, $e, $E, $s, $S);
+           $l, $e, $E, $s, $S, defined($ENV{'POOL'}) ? $ENV{'POOL'} : "<none>");
     generateclips($l, $t, $e, $E, $tts_object, $S, $f);
     shutdown_tts($tts_object);
     createvoice($l, $i, $f);
-- 
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