cannam@154: # autoconf source script for generating configure
cannam@154: 
cannam@154: dnl The package_version file will be automatically synced to the git revision
cannam@154: dnl by the update_version script when configured in the repository, but will
cannam@154: dnl remain constant in tarball releases unless it is manually edited.
cannam@154: m4_define([CURRENT_VERSION],
cannam@154:           m4_esyscmd([ ./update_version 2>/dev/null || true
cannam@154:                        if test -e package_version; then
cannam@154:                            . ./package_version
cannam@154:                            printf "$PACKAGE_VERSION"
cannam@154:                        else
cannam@154:                            printf "unknown"
cannam@154:                        fi ]))
cannam@154: 
cannam@154: AC_INIT([opusfile],[CURRENT_VERSION],[opus@xiph.org])
cannam@154: AC_CONFIG_SRCDIR([src/opusfile.c])
cannam@154: AC_CONFIG_MACRO_DIR([m4])
cannam@154: 
cannam@154: AC_USE_SYSTEM_EXTENSIONS
cannam@154: AC_SYS_LARGEFILE
cannam@154: 
cannam@154: AM_INIT_AUTOMAKE([1.11 foreign no-define dist-zip subdir-objects])
cannam@154: AM_MAINTAINER_MODE([enable])
cannam@154: LT_INIT
cannam@154: 
cannam@154: m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
cannam@154: 
cannam@154: dnl Library versioning for libtool.
cannam@154: dnl Please update these for releases.
cannam@154: dnl CURRENT, REVISION, AGE
cannam@154: dnl - library source changed -> increment REVISION
cannam@154: dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0
cannam@154: dnl - interfaces added -> increment AGE
cannam@154: dnl - interfaces removed -> AGE = 0
cannam@154: 
cannam@154: OP_LT_CURRENT=4
cannam@154: OP_LT_REVISION=2
cannam@154: OP_LT_AGE=4
cannam@154: 
cannam@154: AC_SUBST(OP_LT_CURRENT)
cannam@154: AC_SUBST(OP_LT_REVISION)
cannam@154: AC_SUBST(OP_LT_AGE)
cannam@154: 
cannam@154: CC_CHECK_CFLAGS_APPEND(
cannam@154:   [-std=c89 -pedantic -Wall -Wextra -Wno-parentheses -Wno-long-long])
cannam@154: 
cannam@154: # Platform-specific tweaks
cannam@154: case $host in
cannam@154:   *-mingw*)
cannam@154:     # -std=c89 causes some warnings under mingw.
cannam@154:     CC_CHECK_CFLAGS_APPEND([-U__STRICT_ANSI__])
cannam@154:     # We need WINNT>=0x501 (WindowsXP) for getaddrinfo/freeaddrinfo.
cannam@154:     # It's okay to define this even when HTTP support is disabled, as it only
cannam@154:     #  affects header declarations, not linking (unless we actually use some
cannam@154:     #  XP-only functions).
cannam@154:     AC_DEFINE_UNQUOTED(_WIN32_WINNT,0x501,
cannam@154:      [We need at least WindowsXP for getaddrinfo/freeaddrinfo])
cannam@154:     host_mingw=true
cannam@154:     ;;
cannam@154: esac
cannam@154: AM_CONDITIONAL(OP_WIN32, test "$host_mingw" = "true")
cannam@154: 
cannam@154: AC_ARG_ENABLE([assertions],
cannam@154:   AS_HELP_STRING([--enable-assertions], [Enable assertions in code]),,
cannam@154:   enable_assertions=no)
cannam@154: 
cannam@154: AS_IF([test "$enable_assertions" = "yes"], [
cannam@154:   AC_DEFINE([OP_ENABLE_ASSERTIONS], [1], [Enable assertions in code])
cannam@154: ])
cannam@154: 
cannam@154: AC_ARG_ENABLE([http],
cannam@154:   AS_HELP_STRING([--disable-http], [Disable HTTP support]),,
cannam@154:   enable_http=yes)
cannam@154: 
cannam@154: AM_COND_IF(OP_WIN32,
cannam@154:   AS_IF([test "$enable_http" != "no"],
cannam@154:     AC_CHECK_HEADER([winsock2.h],,
cannam@154:       AC_MSG_WARN([HTTP support requires a Winsock socket library.])
cannam@154:       enable_http=no
cannam@154:     )
cannam@154:   ),
cannam@154:   AS_IF([test "$enable_http" != "no"],
cannam@154:     AC_CHECK_HEADER([sys/socket.h],,
cannam@154:       AC_MSG_WARN([HTTP support requires a POSIX socket library.])
cannam@154:       enable_http=no
cannam@154:     )
cannam@154:   )
cannam@154: )
cannam@154: AC_SEARCH_LIBS(ftime, [compat], , [enable_http=no])
cannam@154: 
cannam@154: m4_ifndef([PKG_PROG_PKG_CONFIG],
cannam@154:   [m4_fatal([Could not locate the pkg-config autoconf macros.
cannam@154: Please make sure pkg-config is installed and, if necessary, set the environment
cannam@154: variable ACLOCAL="aclocal -I/path/to/pkg.m4".])])
cannam@154: 
cannam@154: AS_IF([test "$enable_http" != "no"], [
cannam@154:    openssl="openssl"
cannam@154:    AC_DEFINE([OP_ENABLE_HTTP], [1], [Enable HTTP support])
cannam@154:    PKG_CHECK_MODULES([URL_DEPS], [openssl])
cannam@154: ])
cannam@154: AM_CONDITIONAL(OP_ENABLE_HTTP, [test "$enable_http" != "no"])
cannam@154: AC_SUBST([openssl])
cannam@154: 
cannam@154: PKG_CHECK_MODULES([DEPS], [ogg >= 1.3 opus >= 1.0.1])
cannam@154: 
cannam@154: AC_ARG_ENABLE([fixed-point],
cannam@154:   AS_HELP_STRING([--enable-fixed-point], [Enable fixed-point calculation]),,
cannam@154:   enable_fixed_point=no)
cannam@154: AC_ARG_ENABLE([float],
cannam@154:   AS_HELP_STRING([--disable-float], [Disable floating-point API]),,
cannam@154:   enable_float=yes)
cannam@154: 
cannam@154: AS_IF([test "$enable_float" = "no"],
cannam@154:   [enable_fixed_point=yes
cannam@154:    AC_DEFINE([OP_DISABLE_FLOAT_API], [1], [Disable floating-point API])
cannam@154:   ]
cannam@154: )
cannam@154: 
cannam@154: AS_IF([test "$enable_fixed_point" = "yes"],
cannam@154:   [AC_DEFINE([OP_FIXED_POINT], [1], [Enable fixed-point calculation])],
cannam@154:   [dnl This only has to be tested for if float->fixed conversions are required
cannam@154:    saved_LIBS="$LIBS"
cannam@154:    AC_SEARCH_LIBS([lrintf], [m], [
cannam@154:       AC_DEFINE([OP_HAVE_LRINTF], [1], [Enable use of lrintf function])
cannam@154:       lrintf_notice="
cannam@154:     Library for lrintf() ......... ${ac_cv_search_lrintf}"
cannam@154:    ])
cannam@154:    LIBS="$saved_LIBS"
cannam@154:   ]
cannam@154: )
cannam@154: 
cannam@154: AC_ARG_ENABLE([examples],
cannam@154:   AS_HELP_STRING([--disable-examples], [Do not build example applications]),,
cannam@154:   enable_examples=yes)
cannam@154: AM_CONDITIONAL([OP_ENABLE_EXAMPLES], [test "$enable_examples" = "yes"])
cannam@154: 
cannam@154: AS_CASE(["$ac_cv_search_lrintf"],
cannam@154:   ["no"],[],
cannam@154:   ["none required"],[],
cannam@154:   [lrintf_lib="$ac_cv_search_lrintf"])
cannam@154: 
cannam@154: AC_SUBST([lrintf_lib])
cannam@154: 
cannam@154: CC_ATTRIBUTE_VISIBILITY([default], [
cannam@154:   CC_FLAG_VISIBILITY([CFLAGS="${CFLAGS} -fvisibility=hidden"])
cannam@154: ])
cannam@154: 
cannam@154: dnl Check for doxygen
cannam@154: AC_ARG_ENABLE([doc],
cannam@154:   AS_HELP_STRING([--disable-doc], [Do not build API documentation]),,
cannam@154:   [enable_doc=yes]
cannam@154: )
cannam@154: 
cannam@154: AS_IF([test "$enable_doc" = "yes"], [
cannam@154:   AC_CHECK_PROG([HAVE_DOXYGEN], [doxygen], [yes], [no])
cannam@154:   AC_CHECK_PROG([HAVE_DOT], [dot], [yes], [no])
cannam@154: ],[
cannam@154:   HAVE_DOXYGEN=no
cannam@154: ])
cannam@154: 
cannam@154: AM_CONDITIONAL([HAVE_DOXYGEN], [test "$HAVE_DOXYGEN" = "yes"])
cannam@154: 
cannam@154: AC_CONFIG_FILES([
cannam@154:   Makefile
cannam@154:   opusfile.pc
cannam@154:   opusurl.pc
cannam@154:   opusfile-uninstalled.pc
cannam@154:   opusurl-uninstalled.pc
cannam@154:   doc/Doxyfile
cannam@154: ])
cannam@154: AC_CONFIG_HEADERS([config.h])
cannam@154: AC_OUTPUT
cannam@154: 
cannam@154: AC_MSG_NOTICE([
cannam@154: ------------------------------------------------------------------------
cannam@154:   $PACKAGE_NAME $PACKAGE_VERSION: Automatic configuration OK.
cannam@154: 
cannam@154:     Assertions ................... ${enable_assertions}
cannam@154: 
cannam@154:     HTTP support ................. ${enable_http}
cannam@154:     Fixed-point .................. ${enable_fixed_point}
cannam@154:     Floating-point API ........... ${enable_float}${lrintf_notice}
cannam@154: 
cannam@154:     Hidden visibility ............ ${cc_cv_flag_visibility}
cannam@154: 
cannam@154:     API code examples ............ ${enable_examples}
cannam@154:     API documentation ............ ${enable_doc}
cannam@154: ------------------------------------------------------------------------
cannam@154: ])