Fix FTBFS on ppc64el hosts

lib/ffts/debian/rules

@@ -18,16 +18,24 @@ DEB_BUILD_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_BUILD_GNU_TYPE)
 DEB_DH_BUILDDEB_ARGS += -- -Z$(shell dpkg-deb --help | grep -q ":.* xz[,.]" \
                                && echo xz || echo bzip2)
 
+# Generic architecture default
+cdbs_configure_flags := --enable-single --disable-dynamic-code --enable-shared --disable-rpath
+
 ifneq (,$(findstring x86_64-,$(DEB_BUILD_GNU_TYPE)))
 	cdbs_configure_flags := --enable-single --enable-sse --enable-shared --disable-rpath
-else ifneq (,$(findstring arm-,$(DEB_BUILD_GNU_TYPE)))
-ifneq(,$(findstring armhf,$(DEB_HOST_ARCH)))
+endif
+
+ifneq (,$(findstring powerpc-,$(DEB_BUILD_GNU_TYPE)))
+	cdbs_configure_flags := --enable-single --disable-dynamic-code --enable-shared --disable-rpath
+endif
+
+ifneq (,$(findstring arm-,$(DEB_BUILD_GNU_TYPE)))
+  ifneq(,$(findstring armhf,$(DEB_HOST_ARCH)))
 	cdbs_configure_flags := --enable-single --enable-neon --float_abi=hard --enable-shared --disable-rpath
-else ifneq (,$(findstring aarch64-,$(DEB_BUILD_GNU_TYPE)))
+  endif
+  ifneq (,$(findstring aarch64-,$(DEB_BUILD_GNU_TYPE)))
 	cdbs_configure_flags := --enable-single --enable-neon --float_abi=hard --enable-shared --disable-rpath
-else
-	cdbs_configure_flags := --enable-single --enable-shared --disable-rpath
-endif
+  endif
 
 post-patches:: debian/stamp-bootstrap
 

lib/ffts/src/Makefile.am

@@ -6,7 +6,7 @@ libffts_la_SOURCES = ffts.c ffts_nd.c ffts_real.c ffts_real_nd.c ffts_transpose.
 libffts_la_SOURCES += codegen.h codegen_arm.h codegen_sse.h ffts.h ffts_nd.h ffts_real.h ffts_real_nd.h ffts_small.h ffts_static.h macros-alpha.h macros-altivec.h macros-neon.h macros-sse.h macros.h neon.h neon_float.h patterns.h types.h vfp.h
 
 if DYNAMIC_DISABLED
-libffts_la_SOURCES += ffts_static.c
+#libffts_la_SOURCES += ffts_static.c
 else
 libffts_la_SOURCES += codegen.c
 endif

lib/ffts/src/ffts_internal.h

@@ -228,7 +228,7 @@ ffts_aligned_malloc(size_t size)
 #elif defined(HAVE_MEMALIGN)
     p = memalign(32, size);
 #elif defined(__ALTIVEC__)
-    p = vec_malloc(size);
+    p = malloc(size);
 #elif defined(_MSC_VER) || defined(WIN32)
     p = _aligned_malloc(size, 32);
 #elif defined(HAVE_VALLOC)
@@ -249,7 +249,7 @@ void ffts_aligned_free(void *p)
 #elif defined(HAVE_POSIX_MEMALIGN) || defined(HAVE_MEMALIGN)
     free(p);
 #elif defined(__ALTIVEC__)
-    vec_free(p);
+    free(p);
 #elif defined(_MSC_VER) || defined(WIN32)
     _aligned_free(p);
 #else

lib/ffts/src/ffts_real.c

@@ -738,7 +738,7 @@ ffts_execute_1d_real_inv(ffts_plan_t *p, const void *input, void *output)
 FFTS_API ffts_plan_t*
 ffts_init_1d_real(size_t N, int sign)
 {
-#ifndef __ARM_NEON__
+#if !defined( __ARM_NEON__ ) && !defined( __ALTIVEC__ )
     int cpu_flags = ffts_cpu_detect(NULL);
 #endif
     ffts_plan_t *p;
@@ -799,4 +799,4 @@ ffts_init_1d_real(size_t N, int sign)
 cleanup:
     ffts_free_1d_real(p);
     return NULL;
-}
+}