Add our modified SDL sources under distrib/sdl-1.2.12

Fix distrib/make-distrib.sh script to work with git
Fix distrib/build-emulator.sh to accomodate for new SDL configure script
Handle Tiger SDK usage in SDL configure script

1 files changed, 148 insertions, 0 deletions

diff --git a/distrib/sdl-1.2.12/src/thread/amigaos/SDL_syssem.c b/distrib/sdl-1.2.12/src/thread/amigaos/SDL_syssem.c
new file mode 100644
index 0000000..a31a213
--- /dev/null
+++ b/distrib/sdl-1.2.12/src/thread/amigaos/SDL_syssem.c
@@ -0,0 +1,148 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2006 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+/* An implementation of semaphores using mutexes and condition variables */
+
+#include "SDL_thread.h"
+#include "SDL_systhread_c.h"
+
+
+struct SDL_semaphore
+{
+	struct SignalSemaphore Sem;
+};
+
+#undef D
+
+#define D(x)
+
+SDL_sem *SDL_CreateSemaphore(Uint32 initial_value)
+{
+	SDL_sem *sem;
+
+	sem = (SDL_sem *)SDL_malloc(sizeof(*sem));
+
+	if ( ! sem ) {
+		SDL_OutOfMemory();
+		return(0);
+	}
+
+	D(bug("Creating semaphore %lx...\n",sem));
+
+	SDL_memset(sem,0,sizeof(*sem));
+
+	InitSemaphore(&sem->Sem);
+
+	return(sem);
+}
+
+void SDL_DestroySemaphore(SDL_sem *sem)
+{
+	D(bug("Destroying semaphore %lx...\n",sem));
+
+	if ( sem ) {
+// Condizioni per liberare i task in attesa?
+		SDL_free(sem);
+	}
+}
+
+int SDL_SemTryWait(SDL_sem *sem)
+{
+	if ( ! sem ) {
+		SDL_SetError("Passed a NULL semaphore");
+		return -1;
+	}
+
+	D(bug("TryWait semaphore...%lx\n",sem));
+
+	ObtainSemaphore(&sem->Sem);
+//	ReleaseSemaphore(&sem->Sem);
+
+	return 1;
+}
+
+int SDL_SemWaitTimeout(SDL_sem *sem, Uint32 timeout)
+{
+	int retval;
+
+
+	if ( ! sem ) {
+		SDL_SetError("Passed a NULL semaphore");
+		return -1;
+	}
+
+	D(bug("WaitTimeout (%ld) semaphore...%lx\n",timeout,sem));
+
+	/* A timeout of 0 is an easy case */
+	if ( timeout == 0 ) {
+		ObtainSemaphore(&sem->Sem);
+		return 1;
+	}
+	if(!(retval=AttemptSemaphore(&sem->Sem)))
+	{
+		SDL_Delay(timeout);
+		retval=AttemptSemaphore(&sem->Sem);
+	}
+
+	if(retval==TRUE)
+	{
+//		ReleaseSemaphore(&sem->Sem);
+		retval=1;
+	}
+
+	return retval;
+}
+
+int SDL_SemWait(SDL_sem *sem)
+{
+	ObtainSemaphore(&sem->Sem);
+	return 0;
+}
+
+Uint32 SDL_SemValue(SDL_sem *sem)
+{
+	Uint32 value;
+
+	value = 0;
+	if ( sem ) {
+		#ifdef STORMC4_WOS
+		value = sem->Sem.ssppc_SS.ss_NestCount;
+		#else
+		value = sem->Sem.ss_NestCount;
+		#endif
+	}
+	return value;
+}
+
+int SDL_SemPost(SDL_sem *sem)
+{
+	if ( ! sem ) {
+		SDL_SetError("Passed a NULL semaphore");
+		return -1;
+	}
+	D(bug("SemPost semaphore...%lx\n",sem));
+
+	ReleaseSemaphore(&sem->Sem);
+	return 0;
+}
+