excinfo.h is not available on Termux environment
Add an extra macro check for __ANDROID__ so it's excluded
--- src/src/plugins/debugger/shared/backtrace.cpp	2020-07-07 06:44:20.000000000 +0000
+++ src.mod/src/plugins/debugger/shared/backtrace.cpp	2021-05-24 10:38:54.023502983 +0000
@@ -27,7 +27,7 @@
 #include <QDebug>
 #include <QProcess>
 
-#if defined(Q_OS_LINUX)
+#if defined(Q_OS_LINUX) && !defined(__ANDROID__)
 #include <stdio.h>
 #include <signal.h>
 #include <execinfo.h>
@@ -40,7 +40,7 @@
 {
     if (maxdepth == -1)
         maxdepth = 200;
-#if defined(Q_OS_LINUX)
+#if defined(Q_OS_LINUX) && !defined(__ANDROID__)
     void *bt[200] = {nullptr};
     qDebug() << "BACKTRACE:";
     int size = backtrace(bt, sizeof(bt) / sizeof(bt[0]));