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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ([2.68])
AC_INIT(ffts, 0.7, amb@anthonix.com)
AM_INIT_AUTOMAKE(ffts, 0.7)
# AC_CONFIG_SRCDIR([include/common.h])
AC_CONFIG_HEADERS([config.h])
# Checks for programs.
AC_PROG_CXX
AC_PROG_CC
#AX_COMPILER_VENDOR
#CXX="clang++"
#CXXFLAGS="$CXXFLAGS -stdlib=libc++"
#SFFT_AR="/usr/bin/ar"
#SFFT_CFLAGS="$CFLAGS"
#SFFT_CC="$CC"
AC_ARG_ENABLE(single, [AC_HELP_STRING([--enable-single],[compile single-precision library])], sfft_single=$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
#if test "$ord_sr" = "no"; then
# AC_DEFINE(SFFT_ORD_SR,0,[Define to enable ordinary split radix.])
#fi
# Checks for libraries.
# FIXME: Replace `main' with a function in `-lm':
AC_CHECK_LIB([m], [main])
# Checks for header files.
AC_CHECK_HEADERS([stdint.h stdlib.h string.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
# Checks for library functions.
AC_FUNC_MALLOC
AC_CHECK_FUNCS([gettimeofday pow])
AC_CONFIG_FILES([Makefile
src/Makefile
tests/Makefile
])
AC_OUTPUT
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