Squashed 'FFTS/Sources/FFTS/' content from commit d11c3e7

git-subtree-dir: FFTS/Sources/FFTS
git-subtree-split: d11c3e76200e619d35e2d898a28a1c5641a366f4

configure.ac

@@ -0,0 +1,137 @@
+#                                               -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+
+AC_PREREQ([2.65])
+AC_INIT(ffts, 0.7, amb@anthonix.com)
+AM_INIT_AUTOMAKE(ffts, 0.7)
+
+AC_CONFIG_MACRO_DIR([m4])
+
+# AC_CONFIG_SRCDIR([include/common.h])
+AC_CONFIG_HEADERS([config.h])
+
+AC_CANONICAL_HOST
+
+# Checks for programs.
+AC_PROG_CXX
+AC_PROG_CC
+#AX_COMPILER_VENDOR
+LT_INIT([disable-shared])
+AM_PROG_AS
+#CXX="clang++"
+#CXXFLAGS="$CXXFLAGS -stdlib=libc++"
+
+#SFFT_AR="/usr/bin/ar"
+#SFFT_CFLAGS="$CFLAGS"
+#SFFT_CC="$CC"
+AC_ARG_ENABLE(dynamic-code, [AC_HELP_STRING([--enable-dynamic-code],[dynamically generate code])], sfft_dynamic=$enableval, sfft_dynamic=yes)
+if test "$sfft_dynamic" = "no"; then
+	AC_DEFINE(DYNAMIC_DISABLED,1,[Define to disable dynamic code generation.])
+fi
+AM_CONDITIONAL(DYNAMIC_DISABLED, test "$sfft_dynamic" = "no")
+
+AC_ARG_ENABLE(single, [AC_HELP_STRING([--enable-single],[compile single-precision library])], sfft_single=$enableval, sfft_single=no)
+if test "$sfft_single" = "yes"; then
+	AC_DEFINE(FFTS_PREC_SINGLE,1,[Define to FFT in single precision.])
+fi
+if test "$sfft_single" = "no"; then
+	AC_DEFINE(FFTS_PREC_SINGLE,0,[Define to FFT in single precision.])
+fi
+
+AC_ARG_ENABLE(sse, [AC_HELP_STRING([--enable-sse],[enable SSE extensions])], have_sse=$enableval, have_sse=no)
+if test "$have_sse" = "yes"; then
+	SIMD=sse
+	AC_DEFINE(HAVE_SSE,1,[Define to FFT with SSE.])
+fi
+AM_CONDITIONAL(HAVE_SSE, test "$have_sse" = "yes")
+
+AC_ARG_ENABLE(neon, [AC_HELP_STRING([--enable-neon],[enable NEON extensions])], have_neon=$enableval, have_neon=no)
+if test "$have_neon" = "yes"; then
+	AC_DEFINE(HAVE_NEON,1,[Define to FFT with ARM NEON.])
+fi
+AM_CONDITIONAL(HAVE_NEON, test "$have_neon" = "yes")
+
+AC_ARG_ENABLE(vfp, [AC_HELP_STRING([--enable-vfp],[enable VFP extensions])], have_vfp=$enableval, have_vfp=no)
+if test "$have_vfp" = "yes"; then
+	AC_DEFINE(HAVE_VFP,1,[Define to FFT with ARM VFP.])
+fi
+AM_CONDITIONAL(HAVE_VFP, test "$have_vfp" = "yes")
+
+AC_ARG_WITH(float-abi, [AS_HELP_STRING([--with-float-abi=ABI],[set float abi for arm, hard or softfp (default is softfp)])],
+		       float_abi=$withval, float_abi=softfp)
+
+AC_ARG_ENABLE(jni, [AC_HELP_STRING([--enable-jni],[enable JNI binding])], have_jni=$enableval, have_jni=no)
+if test "$have_jni" = "yes"; then
+    # Java stuff
+    AX_JAVA_OPTIONS
+    AC_CHECK_JAVA_HOME
+    AC_CHECK_CLASSPATH
+    AC_PROG_JAVAC
+    # blah this whinges about something
+    #AC_PROG_JAVAH
+    AC_PROG_JAR
+    AX_JNI_INCLUDE_DIR
+    for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS
+    do
+          JNI_CPPFLAGS="$JNI_CPPFLAGS -I$JNI_INCLUDE_DIR"
+    done
+    AC_SUBST(JNI_CPPFLAGS, [$JNI_CPPFLAGS])
+
+    AC_DEFINE(ENABLE_JNI,1,[JNI being built.])
+fi
+AM_CONDITIONAL(ENABLE_JNI, test "$have_jni" = "yes")
+
+fpu=""
+AS_IF([test "$have_vfp" = "yes"],[fpu="-mfpu=vfp"],
+      [test "$have_neon" = "yes"],[fpu="-mfpu=neon"],
+      [])
+
+AC_MSG_NOTICE([host is "${host}"])
+case "${host}" in
+	arm* )
+		CFLAGS="$CFLAGS -mfloat-abi=${float_abi} ${fpu} -std=c99"
+		CCASFLAGS="$CCASFLAGS -mfloat-abi=${float_abi} ${fpu}"
+		;;
+	*)
+		;;
+esac
+
+#if test "$ord_sr" = "no"; then
+#	AC_DEFINE(SFFT_ORD_SR,0,[Define to enable ordinary split radix.])
+#fi
+
+# Checks for libraries.
+AC_CHECK_LIB([m], [cos])
+AC_CHECK_DECLS([posix_memalign,
+                memalign],,,
+               [#define _XOPEN_SOURCE 600
+                #include <stdlib.h>
+                #include <malloc.h>])
+
+# Checks for header files.
+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
+AC_C_INLINE
+AC_TYPE_INT32_T
+AC_C_RESTRICT
+AC_TYPE_SIZE_T
+AC_TYPE_UINT64_T
+AC_PROG_CC_STDC
+AC_PROG_INSTALL
+AC_PROG_LN_S
+AC_PROG_LIBTOOL
+
+# Checks for library functions.
+#AC_FUNC_MALLOC
+AC_CHECK_FUNCS([gettimeofday pow])
+
+
+AC_CONFIG_FILES([Makefile
+                 src/Makefile
+                 tests/Makefile
+		 ffts.pc
+		 java/Makefile
+                 ])
+AC_OUTPUT