From 470c4a283fa6ff65795ce3755e90dc4d06cbc9ae Mon Sep 17 00:00:00 2001
From: Adam Samalik <asamalik@redhat.com>
Date: Wed, 21 Jun 2023 13:02:58 +0200
Subject: [PATCH] import sources

---
 .gitignore                                    |  4 +-
 libvisual-0.2.0-ifdef.patch                   | 11 +++
 ...isual-0.5.0-better-altivec-detection.patch | 70 +++++++++++++++++++
 3 files changed, 83 insertions(+), 2 deletions(-)
 create mode 100644 libvisual-0.2.0-ifdef.patch
 create mode 100644 libvisual-0.5.0-better-altivec-detection.patch

diff --git a/.gitignore b/.gitignore
index 7f4094f..d5182a9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
-SOURCES/libvisual-0.4.0.tar.gz
-/libvisual-0.4.0.tar.gz
+libvisual-0.4.0.tar.gz
+/libvisual-0.5.0-7e4bc9a.tar.gz
diff --git a/libvisual-0.2.0-ifdef.patch b/libvisual-0.2.0-ifdef.patch
new file mode 100644
index 0000000..269b7fa
--- /dev/null
+++ b/libvisual-0.2.0-ifdef.patch
@@ -0,0 +1,11 @@
+--- libvisual-0.2.0/libvisual/lv_cpu.c.orig	2005-02-14 00:00:13.242204989 +0000
++++ libvisual-0.2.0/libvisual/lv_cpu.c	2005-02-14 00:00:36.535144982 +0000
+@@ -423,7 +423,7 @@ void visual_cpu_initialize ()
+ #endif
+ #endif /* VISUAL_ARCH_X86 */
+ 
+-#if VISUAL_ARCH_POWERPC
++#if defined(VISUAL_ARCH_POWERPC)
+ 	check_os_altivec_support ();
+ #endif /* VISUAL_ARCH_POWERPC */
+ 
diff --git a/libvisual-0.5.0-better-altivec-detection.patch b/libvisual-0.5.0-better-altivec-detection.patch
new file mode 100644
index 0000000..f7da60a
--- /dev/null
+++ b/libvisual-0.5.0-better-altivec-detection.patch
@@ -0,0 +1,70 @@
+diff -up libvisual/libvisual/lv_cpu.c.altivec-detection libvisual/libvisual/lv_cpu.c
+--- libvisual/libvisual/lv_cpu.c.altivec-detection	2013-08-23 09:34:16.000000000 -0400
++++ libvisual/libvisual/lv_cpu.c	2013-12-03 14:50:24.922718258 -0500
+@@ -59,8 +59,19 @@
+ #endif
+ 
+ #if defined(VISUAL_OS_LINUX)
++#if defined(VISUAL_ARCH_POWERPC)
++#include <sys/types.h>
++#include <sys/stat.h>
++#include <fcntl.h>
++#include <unistd.h>
++#include <stdio.h>
++
++#include <linux/auxvec.h>
++#include <asm/cputable.h>
++#else /* VISUAL_ARCH_POWERPC */
+ #include <signal.h>
+ #endif
++#endif
+ 
+ #if defined(VISUAL_OS_WIN32)
+ #include <windows.h>
+@@ -170,6 +181,46 @@ static void check_os_altivec_support (vo
+ 	if (err == 0)
+ 		if (has_vu != 0)
+ 			cpu_caps.hasAltiVec = 1;
++#elif defined (VISUAL_OS_LINUX)
++	static int available = -1;
++	int new_avail = 0;
++	char fname[64];
++	unsigned long buf[64];
++	ssize_t count;
++	pid_t pid;
++	int fd, i;
++
++	if (available != -1)
++		return;
++
++	pid = getpid();
++	snprintf(fname, sizeof(fname)-1, "/proc/%d/auxv", pid);
++
++	fd = open(fname, O_RDONLY);
++	if (fd < 0)
++		goto out;
++more:
++	count = read(fd, buf, sizeof(buf));
++	if (count < 0)
++		goto out_close;
++
++	for (i=0; i < (count / sizeof(unsigned long)); i += 2) {
++		if (buf[i] == AT_HWCAP) {
++			new_avail = !!(buf[i+1] & PPC_FEATURE_HAS_ALTIVEC);
++			goto out_close;
++		} else if (buf[i] == AT_NULL) {
++			goto out_close;
++		}
++	}
++
++	if (count == sizeof(buf))
++		goto more;
++out_close:
++	close(fd);
++out:
++	available = new_avail;
++	if (available)
++		cpu_caps.hasAltiVec = 1;
+ #else /* !VISUAL_OS_DARWIN */
+ 	/* no Darwin, do it the brute-force way */
+ 	/* this is borrowed from the libmpeg2 library */