diff --git a/src/libFLAC/Makefile.am b/src/libFLAC/Makefile.am
index bce6a9a7..371cdae8 100644
--- a/src/libFLAC/Makefile.am
+++ b/src/libFLAC/Makefile.am
@@ -36,9 +36,11 @@ if FLaC__CPU_PPC
 # The -force_cpusubtype_ALL is needed to insert a ppc64 instruction
 # into cpu.c with an asm().
 if FLaC__SYS_DARWIN
-CPUCFLAGS = -faltivec -force_cpusubtype_ALL
+#@@@@@@ PPC optimizations temporarily disabled
+CPUCFLAGS = -faltivec -force_cpusubtype_ALL -DFLAC__NO_ASM
 else
-CPUCFLAGS = -maltivec -mabi=altivec -force_cpusubtype_ALL
+#@@@@@@ PPC optimizations temporarily disabled
+CPUCFLAGS = -maltivec -mabi=altivec -force_cpusubtype_ALL -DFLAC__NO_ASM
 endif
 endif
 CFLAGS = @CFLAGS@ $(DEBUGCFLAGS) $(CPUCFLAGS)
diff --git a/src/libFLAC/ppc/as/Makefile.am b/src/libFLAC/ppc/as/Makefile.am
index 30c63862..4ff20d04 100644
--- a/src/libFLAC/ppc/as/Makefile.am
+++ b/src/libFLAC/ppc/as/Makefile.am
@@ -28,7 +28,8 @@
 #  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 #  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-if FLaC__HAS_AS
+#@@@@@@
+if FLaC__HAS_AS__TEMPORARILY_DISABLED
 
 SUFFIXES = .s .lo
 
diff --git a/src/libFLAC/ppc/gas/Makefile.am b/src/libFLAC/ppc/gas/Makefile.am
index eded72d9..6f534de3 100644
--- a/src/libFLAC/ppc/gas/Makefile.am
+++ b/src/libFLAC/ppc/gas/Makefile.am
@@ -28,7 +28,8 @@
 #  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 #  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-if FLaC__HAS_GAS
+#@@@@@@
+if FLaC__HAS_GAS__TEMPORARILY_DISABLED
 
 SUFFIXES = .s .lo