mpg123.patch

diff '--color=auto' -Naur mpg123-1.28.1-orig/configure.ac mpg123-1.28.1/configure.ac
--- mpg123-1.28.1-orig/configure.ac	2021-07-12 00:49:40.906632272 +0200
+++ mpg123-1.28.1/configure.ac	2021-07-12 00:52:50.956634812 +0200
@@ -1318,6 +1318,20 @@
 # Optionally use platform macros for byte swapping.
 AC_CHECK_HEADERS([byteswap.h])
 
+if test x"$ac_cv_header_sys_signal_h" = xyes; then
+	AC_CHECK_FUNCS( sigemptyset sigaddset sigprocmask sigaction )
+	if test x"$ac_cv_func_sigemptyset" = xno ||
+	   test x"$ac_cv_func_sigaddset" = xno ||
+	   test x"$ac_cv_func_sigprocmask" = xno ||
+	   test x"$ac_cv_func_sigaction" = xno; then
+		AC_DEFINE(DONT_CATCH_SIGNALS, 1, [ Signal handling is not supported on this platform ])
+	fi
+else
+	AC_DEFINE(DONT_CATCH_SIGNALS, 1, [ Signal handling is not supported on this platform ])
+fi
+
+AC_CHECK_FUNCS( sleep, [ have_sleep=yes ], [ have_sleep=no ] )
+
 dnl ############## Choose compiler flags and CPU
 
 # do not assume gcc here, so no flags by default
diff '--color=auto' -Naur mpg123-1.28.1-orig/src/compat/compat.h mpg123-1.28.1/src/compat/compat.h
--- mpg123-1.28.1-orig/src/compat/compat.h	2021-07-12 00:49:40.876632271 +0200
+++ mpg123-1.28.1/src/compat/compat.h	2021-07-12 00:52:50.956634812 +0200
@@ -86,7 +86,8 @@
 #include <sys/time.h>
 #endif
 /* For select(), I need select.h according to POSIX 2001, else: sys/time.h sys/types.h unistd.h */
-#ifdef HAVE_SYS_SELECT_H
+/* PSP2: Including sys/select.h results in fd_set undefined error */
+#if defined(HAVE_SYS_SELECT_H) && !defined(PSP2)
 #include <sys/select.h>
 #endif
 
diff '--color=auto' -Naur mpg123-1.28.1-orig/src/control_generic.c mpg123-1.28.1/src/control_generic.c
--- mpg123-1.28.1-orig/src/control_generic.c	2021-07-12 00:49:40.876632271 +0200
+++ mpg123-1.28.1/src/control_generic.c	2021-07-12 00:54:20.726636012 +0200
@@ -28,8 +28,10 @@
 #include <ctype.h>
 #if !defined (WIN32) || defined (__CYGWIN__)
 #include <sys/wait.h>
+#ifdef NETWORK
 #include <sys/socket.h>
 #endif
+#endif
 #include <errno.h>
 #include <string.h>
 
@@ -397,7 +399,10 @@
 		outstream = stdout;
 		out_is_term = stdout_is_term;
 	}
-#ifndef _WIN32
+#if defined(GEKKO) || defined(_3DS) || defined(__SWITCH__)
+	fprintf(outstream, "The control interface is not supported on this platform\n");
+	return 0;
+#elif !defined(WIN32)
  	setlinebuf(outstream);
 #else /* perhaps just use setvbuf as it's C89 */
 	/*
diff '--color=auto' -Naur mpg123-1.28.1-orig/src/mpg123.c mpg123-1.28.1/src/mpg123.c
--- mpg123-1.28.1-orig/src/mpg123.c	2021-07-12 00:49:40.876632271 +0200
+++ mpg123-1.28.1/src/mpg123.c	2021-07-12 00:52:50.956634812 +0200
@@ -1353,6 +1353,8 @@
 			if(param.verbose > 2) fprintf(stderr, "Note: pausing %i seconds before next track.\n", param.delay);
 #ifdef WIN32
 			Sleep(param.delay*1000);
+#elif !defined(HAVE_SLEEP)
+			fprintf(stderr, "sleep not supported on this platform\n");
 #else
 			sleep(param.delay);
 #endif