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diff -Naurd PortMidi-0.2.0.0/portmidi/pm_linux/pmlinuxalsa.c PortMidi-0.2.0.0-alsafix/portmidi/pm_linux/pmlinuxalsa.c
--- PortMidi-0.2.0.0/portmidi/pm_linux/pmlinuxalsa.c 2023-12-13 11:35:12.517413022 +0000
+++ PortMidi-0.2.0.0-alsafix/portmidi/pm_linux/pmlinuxalsa.c 2023-12-13 11:35:12.565413037 +0000
@@ -719,6 +719,18 @@
}
+static void set_alsa_plugin_path( void )
+{
+ char *existing;
+
+ existing = getenv("ALSA_PLUGIN_DIR");
+ if (NULL != existing) {
+ return;
+ }
+ setenv("ALSA_PLUGIN_DIR", "@alsa_plugin_dir@", 0);
+}
+
+
PmError pm_linuxalsa_init( void )
{
int err;
@@ -726,6 +738,8 @@
snd_seq_port_info_t *pinfo;
unsigned int caps;
+ set_alsa_plugin_path();
+
/* Previously, the last parameter was SND_SEQ_NONBLOCK, but this
* would cause messages to be dropped if the ALSA buffer fills up.
* The correct behavior is for writes to block until there is
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