# autoconf source script for generating configure

dnl The package_version file will be automatically synced to the git revision

dnl by the update_version script when configured in the repository, but will

dnl remain constant in tarball releases unless it is manually edited.

m4_define([CURRENT_VERSION],

m4_esyscmd([ ./update_version 2>/dev/null || true

if test -e package_version; then

. ./package_version

printf "$PACKAGE_VERSION"

else

printf "unknown"

fi ]))

AC_INIT([opusfile],[CURRENT_VERSION],[opus@xiph.org])

AC_CONFIG_SRCDIR([src/opusfile.c])

AC_CONFIG_MACRO_DIR([m4])

AC_USE_SYSTEM_EXTENSIONS

AC_SYS_LARGEFILE

AM_INIT_AUTOMAKE([1.11 foreign no-define dist-zip subdir-objects])

AM_MAINTAINER_MODE([enable])

LT_INIT([win32-dll])

m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

dnl Library versioning for libtool.

dnl Please update these for releases.

dnl CURRENT, REVISION, AGE

dnl - library source changed -> increment REVISION

dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0

dnl - interfaces added -> increment AGE

dnl - interfaces removed -> AGE = 0

OP_LT_CURRENT=4

OP_LT_REVISION=4

OP_LT_AGE=4

AC_SUBST(OP_LT_CURRENT)

AC_SUBST(OP_LT_REVISION)

AC_SUBST(OP_LT_AGE)

CC_CHECK_CFLAGS_APPEND(

[-std=c89 -pedantic -Wall -Wextra -Wno-parentheses -Wno-long-long])

# Platform-specific tweaks

case $host in

*-mingw*)

# -std=c89 causes some warnings under mingw.

CC_CHECK_CFLAGS_APPEND([-U__STRICT_ANSI__])

# We need WINNT>=0x501 (WindowsXP) for getaddrinfo/freeaddrinfo.

# It's okay to define this even when HTTP support is disabled, as it only

# affects header declarations, not linking (unless we actually use some

# XP-only functions).

AC_DEFINE_UNQUOTED(_WIN32_WINNT,0x501,

[We need at least WindowsXP for getaddrinfo/freeaddrinfo])

host_mingw=true

;;

esac

AM_CONDITIONAL(OP_WIN32, test "$host_mingw" = "true")

AC_ARG_ENABLE([assertions],

AS_HELP_STRING([--enable-assertions], [Enable assertions in code]),,

enable_assertions=no)

AS_IF([test "$enable_assertions" = "yes"], [

AC_DEFINE([OP_ENABLE_ASSERTIONS], [1], [Enable assertions in code])

])

AC_ARG_ENABLE([http],

AS_HELP_STRING([--disable-http], [Disable HTTP support]),,

enable_http=yes)

AM_COND_IF(OP_WIN32,

AS_IF([test "$enable_http" != "no"],

AC_CHECK_HEADER([winsock2.h],,

AC_MSG_WARN([HTTP support requires a Winsock socket library.])

[enable_http=no], []

)

),

AS_IF([test "$enable_http" != "no"],

AC_CHECK_HEADER([sys/socket.h],,

AC_MSG_WARN([HTTP support requires a POSIX socket library.])

[enable_http=no], []

)

)

)

AC_SEARCH_LIBS(ftime, [compat], , [enable_http=no])

m4_ifndef([PKG_PROG_PKG_CONFIG],

[m4_fatal([Could not locate the pkg-config autoconf macros.

Please make sure pkg-config is installed and, if necessary, set the environment

variable ACLOCAL="aclocal -I/path/to/pkg.m4".])])

AS_IF([test "$enable_http" != "no"], [

openssl="openssl"

AC_DEFINE([OP_ENABLE_HTTP], [1], [Enable HTTP support])

PKG_CHECK_MODULES([URL_DEPS], [openssl])

])

AM_CONDITIONAL(OP_ENABLE_HTTP, [test "$enable_http" != "no"])

AC_SUBST([openssl])

PKG_CHECK_MODULES([DEPS], [ogg >= 1.3 opus >= 1.0.1])

AC_ARG_ENABLE([fixed-point],

AS_HELP_STRING([--enable-fixed-point], [Enable fixed-point calculation]),,

enable_fixed_point=no)

AC_ARG_ENABLE([float],

AS_HELP_STRING([--disable-float], [Disable floating-point API]),,

enable_float=yes)

AS_IF([test "$enable_float" = "no"],

[enable_fixed_point=yes

AC_DEFINE([OP_DISABLE_FLOAT_API], [1], [Disable floating-point API])

]

)

AS_IF([test "$enable_fixed_point" = "yes"],

[AC_DEFINE([OP_FIXED_POINT], [1], [Enable fixed-point calculation])],

[dnl This only has to be tested for if float->fixed conversions are required

saved_LIBS="$LIBS"

AC_SEARCH_LIBS([lrintf], [m], [

AC_DEFINE([OP_HAVE_LRINTF], [1], [Enable use of lrintf function])

lrintf_notice="

Library for lrintf() ......... ${ac_cv_search_lrintf}"

])

LIBS="$saved_LIBS"

]

)

AC_ARG_ENABLE([examples],

AS_HELP_STRING([--disable-examples], [Do not build example applications]),,

enable_examples=yes)

AM_CONDITIONAL([OP_ENABLE_EXAMPLES], [test "$enable_examples" = "yes"])

AS_CASE(["$ac_cv_search_lrintf"],

["no"],[],

["none required"],[],

[lrintf_lib="$ac_cv_search_lrintf"])

AC_SUBST([lrintf_lib])

CC_ATTRIBUTE_VISIBILITY([default], [

CC_FLAG_VISIBILITY([CFLAGS="${CFLAGS} -fvisibility=hidden"])

])

dnl Check for doxygen

AC_ARG_ENABLE([doc],

AS_HELP_STRING([--disable-doc], [Do not build API documentation]),,

[enable_doc=yes]

)

AS_IF([test "$enable_doc" = "yes"], [

AC_CHECK_PROG([HAVE_DOXYGEN], [doxygen], [yes], [no])

AC_CHECK_PROG([HAVE_DOT], [dot], [yes], [no])

],[

HAVE_DOXYGEN=no

])

AM_CONDITIONAL([HAVE_DOXYGEN], [test "$HAVE_DOXYGEN" = "yes"])

AC_CONFIG_FILES([

Makefile

opusfile.pc

opusurl.pc

opusfile-uninstalled.pc

opusurl-uninstalled.pc

doc/Doxyfile

])

AC_CONFIG_HEADERS([config.h])

AC_OUTPUT

AC_MSG_NOTICE([

------------------------------------------------------------------------

$PACKAGE_NAME $PACKAGE_VERSION: Automatic configuration OK.

Assertions ................... ${enable_assertions}

HTTP support ................. ${enable_http}

Fixed-point .................. ${enable_fixed_point}

Floating-point API ........... ${enable_float}${lrintf_notice}

Hidden visibility ............ ${cc_cv_flag_visibility}

API code examples ............ ${enable_examples}

API documentation ............ ${enable_doc}

------------------------------------------------------------------------

])