dnl
dnl libresample configure.in script
dnl
dnl Dominic Mazzoni
dnl

AC_PREREQ(2.59)
AC_INIT(libresample, 0.13, BUG-REPORT-ADDRESS)
AC_CONFIG_AUX_DIR(build)
AM_INIT_AUTOMAKE(libresample,0.13)
AC_CONFIG_SRCDIR([src/resample.c])

AC_PREFIX_DEFAULT(/usr/local/freeswitch)
#Set default language
AC_LANG_C
# Checks for programs.
AC_PROG_CC
AC_PROG_AWK
AC_PROG_MAKE_SET
AC_PROG_INSTALL
AC_PROG_LIBTOOL

#Check for compiler vendor
AX_COMPILER_VENDOR

#  Optimize
AC_ARG_ENABLE(optimization,
[AC_HELP_STRING([--enable-optimization],[Set if you want us to add max optimising compiler flags])],[enable_optimizer="$enableval"],[enable_optimizer="no"])

if test "${enable_optimizer}" = "yes" ; then
        AC_DEFINE([OPTIMZER],[],[Enable Optimization.])
        AX_CC_MAXOPT
fi

#  Enable debugging
AC_ARG_ENABLE(debug,
[AC_HELP_STRING([--enable-debug],[build with debug information])],[enable_debug="$enable_debug"],[enable_debug="yes"])

if test "${enable_debug}" = "yes"; then
        AC_DEFINE([DEBUG],[],[Enable extra debugging.])
        AX_CFLAGS_WARN_ALL_ANSI
fi

AM_CONDITIONAL([WANT_DEBUG],[test "${enable_debug}" = "yes"])


case "$host" in
                *-solaris2*)
                        if test "x${ax_cv_c_compiler_vendor}"  =  "xsun" ; then                                SOLINK="-Bdynamic -dy -G"
                                new_AM_CFLAGS="-KPIC -DPIC"
                                new_AM_LDFLAGS="-L${prefix}/lib -R${prefix}/lib"
                                FUNC_DEF=__func__
                                IN_LINE=""
                        elif test "x${ax_cv_c_compiler_vendor}" = "xgnu" ; then                                SOLINK="-Bdynamic -dy -G"
                                new_AM_CFLAGS="-fPIC"
                                new_AM_LDFLAGS=""
                                IN_LINE=inline
                        fi
                        DYNAMIC_LIB_EXTEN="so"
                ;;
                *-darwin*)
                        if test "x${ax_cv_c_compiler_vendor}"="xgnu" ; then
                                SOLINK="-dynamic -bundle -undefined-surpress -force-flat-namespace"
                                new_AM_CFLAGS="-DMACOSX"
                                new_AM_LDFLAGS=""
                        fi
                        DYNAMIC_LIB_EXTEN="dylib"
                ;;
                x86_64-*-linux-gnu)
                        if test "x${ax_cv_c_compiler_vendor}" = "xsun" ; then
                                SOLINK="-Bdynamic -dy -G"
                                new_AM_CFLAGS="-KPIC -DPIC"
                                new_AM_LDFLAGS="-L${prefix}/lib -R${prefix}/lib"
                                FUNC_DEF=__func__
                        elif test "x${ax_cv_c_compiler_vendor}"="xgnu" ; then
                                SOLINK="-shared -Xlinker -x"
                                new_AM_CFLAGS="-fPIC"
                                new_AM_LDFLAGS=""
                        fi
                        DYNAMIC_LIB_EXTEN="so"
                ;;
                i*6-*-linux-gnu)
                        if test "x${ax_cv_c_compiler_vendor}" = "xsun" ; then
                                SOLINK="-Bdynamic -dy -G"
                                new_AM_CFLAGS="-KPIC -DPIC"
                                new_AM_LDFLAGS="-L${prefix}/lib -R${prefix}/lib"
                                FUNC_DEF=__func__
                        elif test "x${ax_cv_c_compiler_vendor}"="xgnu" ; then
                                SOLINK="-shared -Xlinker -x"
                                new_AM_CFLAGS="-fpic"
                                new_AM_LDFLAGS=""
                        fi
                        DYNAMIC_LIB_EXTEN="so"
                ;;
esac
AC_SUBST(new_AM_CFLAGS)
AC_SUBST(new_AM_LDFLAGS)
AC_SUBST(SOLINK)
AC_SUBST(DYNAMIC_LIB_EXTEN)
AC_DEFINE_UNQUOTED([__FUNCTION__],[$FUNC_DEF],[define it the right way ;)])
AC_DEFINE_UNQUOTED([inline],[$IN_LINE],[sunpro is bad at inline])

AC_CHECK_LIB(sndfile, sf_open, have_libsndfile=yes, have_libsndfile=no)

AC_CHECK_LIB(samplerate, src_simple, have_libsamplerate=yes, have_libsamplerate=no)


AM_CONDITIONAL([SAMPLE], [test $have_libsamplerate = "yes"])
AM_CONDITIONAL([SNDFILE],[test $have_libsndfile = "yes"])


AC_CHECK_HEADERS(inttypes.h)

AC_CONFIG_HEADER(src/config.h:src/configtemplate.h)
AC_OUTPUT([Makefile])

echo ""

if [[ $have_libsamplerate = "yes" ]] ; then
	echo "Configured to build tests/resample-sndfile using libsndfile"
	echo ""
else
	echo "Could not find libsndfile - needed if you want to"
	echo "compile tests/resample-sndfile"
	echo ""
fi

if [[ $have_libsamplerate = "yes" ]] ; then
	echo "Configured to build tests/compareresample to compare against"
   echo "Erik de Castro Lopo's libsamplerate library."
	echo ""
else
	echo "Could not find libsamplerate - only needed if you want to"
	echo "compile tests/compareresample to compare their performance."
	echo ""
fi

echo "Type 'configure --help' to see options."
echo ""
echo "Type 'make' to build libresample and tests."
