configure.in

dnl Process this file with autoconf to produce a configure script.
AC_INIT(viterbi27.c)
AC_CONFIG_HEADER(config.h)
SO_NAME=3
VERSION=3.0.0
AC_SUBST(SO_NAME)
AC_SUBST(VERSION)

dnl Checks for programs.
AC_PROG_CC
if test $GCC != "yes"
then
	AC_MSG_ERROR([Need GNU C compiler])
fi
dnl Checks for libraries.
AC_CHECK_LIB(c, malloc)

dnl Checks for header files.
AC_CHECK_HEADERS(getopt.h stdio.h stdlib.h memory.h string.h)
if test -z "$HAVE_stdio.h"
then
	AC_MSG_ERROR([Need stdio.h!])
fi
if test -z "$HAVE_stdlib.h"
then
	AC_MSG_ERROR([Need stdlib.h!])
fi
if test -z "$HAVE_stdlib.h"
then
	AC_MSG_ERROR([Need memory.h!])
fi
if test -z "$HAVE_string.h"
then
	AC_MSG_ERROR([Need string.h])
fi

AC_PROG_RANLIB

AN_MAKEVAR([AS], [AC_PROG_AS])
AN_PROGRAM([as], [AC_PROG_AS])
AC_DEFUN([AC_PROG_AS], [AC_CHECK_TOOL(AS, as, :)])
AC_PROG_AS

AN_MAKEVAR([AR], [AC_PROG_AR])
AN_PROGRAM([ar], [AC_PROG_AR])
AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL(AR, ar, :)])
AC_PROG_AR

AC_CANONICAL_SYSTEM
case $target_cpu in
i386|i486|i586|i686)
	ARCH_OPTION="-march=$target_cpu"
	MLIBS="viterbi27_mmx.o mmxbfly27.o viterbi27_sse.o ssebfly27.o viterbi27_sse2.o sse2bfly27.o \
	viterbi29_mmx.o mmxbfly29.o viterbi29_sse.o ssebfly29.o viterbi29_sse2.o sse2bfly29.o \
	viterbi39_sse2.o viterbi39_sse.o viterbi39_mmx.o \
	viterbi615_mmx.o viterbi615_sse.o viterbi615_sse2.o \
	dotprod_mmx.o dotprod_mmx_assist.o \
	dotprod_sse2.o dotprod_sse2_assist.o \
	peakval_mmx.o peakval_mmx_assist.o \
	peakval_sse.o peakval_sse_assist.o \
	peakval_sse2.o peakval_sse2_assist.o \
	sumsq.o sumsq_port.o \
	sumsq_sse2.o sumsq_sse2_assist.o \
	sumsq_mmx.o sumsq_mmx_assist.o \
	cpu_features.o cpu_mode_x86.o"
	;;
powerpc*)
	ARCH_OPTION="-fno-common -faltivec"
	MLIBS="viterbi27_av.o viterbi29_av.o viterbi39_av.o viterbi615_av.o \
	encode_rs_av.o \
	dotprod_av.o sumsq_av.o peakval_av.o cpu_mode_ppc.o"
	;;
x86_64*)
	MLIBS="cpu_mode_unknown.o"
	;;
*)
	MLIBS="cpu_mode_unknown.o"
	;;
esac
case $target_os in
darwin*)
	SH_LIB=libfec.dylib
	REBIND=""
	;;
*)
	SH_LIB=libfec.so
	REBIND=ldconfig
	;;
esac
if test "$target" != "$build"
then
	echo "skipping ldconfig for cross-compiling"
	REBIND=""
fi
AC_SUBST(SH_LIB)
AC_SUBST(REBIND)
AC_SUBST(MLIBS)
AC_SUBST(ARCH_OPTION)


dnl Checks for library functions.
AC_CHECK_FUNCS(getopt_long memset memmove)

AC_OUTPUT(makefile)