From c3f7d77c7934892c62838a51444b8e70d6ba64ff Mon Sep 17 00:00:00 2001
From: Timothy Pearson <tpearson@raptorengineering.com>
Date: Sun, 2 Oct 2016 17:21:47 -0500
Subject: Fix Autotools build

---
 configure.ac        | 4 ++--
 src/Makefile.am     | 5 +++--
 src/ffts.c          | 2 +-
 src/ffts_internal.h | 5 ++++-
 4 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/configure.ac b/configure.ac
index 5f1ff70..bdb19e6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_PREREQ([2.68])
+AC_PREREQ([2.65])
 AC_INIT(ffts, 0.7, amb@anthonix.com)
 AM_INIT_AUTOMAKE(ffts, 0.7)
 
@@ -109,7 +109,7 @@ AC_CHECK_DECLS([posix_memalign,
                 #include <malloc.h>])
 
 # Checks for header files.
-AC_CHECK_HEADERS([stdint.h stdlib.h string.h sys/socket.h sys/time.h unistd.h])
+AC_CHECK_HEADERS([malloc.h stddef.h stdint.h stdlib.h string.h sys/mman.h sys/socket.h sys/time.h unistd.h])
 
 # Checks for typedefs, structures, and compiler characteristics.
 AC_HEADER_STDBOOL
diff --git a/src/Makefile.am b/src/Makefile.am
index aa4c3c3..d309ceb 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -2,7 +2,7 @@
 
 lib_LTLIBRARIES = libffts.la
 
-libffts_la_SOURCES = ffts.c ffts_small.c ffts_nd.c ffts_real.c ffts_real_nd.c patterns.c 
+libffts_la_SOURCES = ffts.c ffts_nd.c ffts_real.c ffts_real_nd.c ffts_transpose.c ffts_trig.c ffts_static.c
 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
@@ -14,6 +14,7 @@ endif
 libffts_includedir=$(includedir)/ffts
 libffts_include_HEADERS = ../include/ffts.h
 
+AM_CFLAGS = -I$(top_srcdir)/include -DAUTOTOOLS_BUILD=yes
 
 if HAVE_VFP
 libffts_la_SOURCES += vfp.s 
@@ -28,7 +29,7 @@ endif
 
 else 
 if HAVE_SSE
-libffts_la_SOURCES += sse.s
+libffts_la_SOURCES += macros-sse.h
 endif
 endif
 endif
diff --git a/src/ffts.c b/src/ffts.c
index 5d72a52..7fa675a 100644
--- a/src/ffts.c
+++ b/src/ffts.c
@@ -536,4 +536,4 @@ ffts_init_1d(size_t N, int sign)
 cleanup:
     ffts_free_1d(p);
     return NULL;
-}
\ No newline at end of file
+}
diff --git a/src/ffts_internal.h b/src/ffts_internal.h
index 6b88b35..72ce8af 100644
--- a/src/ffts_internal.h
+++ b/src/ffts_internal.h
@@ -34,7 +34,10 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #ifndef FFTS_INTERNAL_H
 #define FFTS_INTERNAL_H
 
-//#include "config.h"
+#ifdef AUTOTOOLS_BUILD
+#include "config.h"
+#endif
+
 #include "ffts_attributes.h"
 #include "types.h"
 
-- 
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