From c4aa9c615e83500cf79944e7c649a4854b66d0fa Mon Sep 17 00:00:00 2001
From: Sergey Fedorov <barracuda@macos-powerpc.org>
Date: Wed, 8 Jul 2026 21:25:57 +0800
Subject: [PATCH 1/5] build/make update

---
 build/make/Makefile     | 2 ++
 build/make/configure.sh | 6 ++++++
 build/make/rtcd.pl      | 4 ++--
 configure               | 1 +
 4 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/build/make/Makefile b/build/make/Makefile
index 39dff825b..a260dd44a 100644
--- a/build/make/Makefile
+++ b/build/make/Makefile
@@ -156,6 +156,8 @@ $(BUILD_PFX)%_sve2.c.o: CFLAGS += -march=armv9-a+i8mm+sve2
 # POWER
 $(BUILD_PFX)%_vsx.c.d: CFLAGS += -maltivec -mvsx
 $(BUILD_PFX)%_vsx.c.o: CFLAGS += -maltivec -mvsx
+$(BUILD_PFX)%_altivec.c.d: CFLAGS += -maltivec
+$(BUILD_PFX)%_altivec.c.o: CFLAGS += -maltivec
 
 # MIPS
 $(BUILD_PFX)%_msa.c.d: CFLAGS += -mmsa
diff --git a/build/make/configure.sh b/build/make/configure.sh
index ebaec96a5..542f2f51c 100644
--- a/build/make/configure.sh
+++ b/build/make/configure.sh
@@ -895,6 +895,12 @@ process_common_toolchain() {
       ;;
     ppc*)
       enable_feature ppc
+      case ${tgt_os} in
+        darwin*)
+          # Enable AltiVec for macOS PPC (10.5+)
+          check_cflags -maltivec && soft_enable altivec
+          ;;
+      esac
       ;;
     loongarch*)
       soft_enable lsx
diff --git a/build/make/rtcd.pl b/build/make/rtcd.pl
index 7c876fc9d..502600731 100755
--- a/build/make/rtcd.pl
+++ b/build/make/rtcd.pl
@@ -459,7 +459,7 @@ my @PRIORITY_ARCH = qw/
   mmx sse sse2 sse3 ssse3 sse4_1 sse4_2 avx avx2 avx512
   arm_crc32 neon neon_dotprod neon_i8mm sve sve2
   rvv
-  vsx
+  altivec vsx
   dspr2 msa
 /;
 my %PRIORITY_INDEX;
@@ -525,7 +525,7 @@ if ($opts{arch} eq 'x86') {
   }
   arm;
 } elsif ($opts{arch} =~ /^ppc/ ) {
-  @ALL_ARCHS = filter(qw/vsx/);
+  @ALL_ARCHS = filter(qw/altivec vsx/);
   ppc;
 } elsif ($opts{arch} =~ /loongarch/ ) {
   @ALL_ARCHS = filter(qw/lsx lasx/);
diff --git a/configure b/configure
index 9e9d80bba..d42f24d16 100755
--- a/configure
+++ b/configure
@@ -301,6 +301,7 @@ ARCH_EXT_LIST="
     x86_asm
     ${ARCH_EXT_LIST_X86}
 
+    altivec
     vsx
 
     ${ARCH_EXT_LIST_LOONGSON}