ref: 1cea8f6bf1e3ffec1a408b3ead5e7ca2febf7419
dir: /configure.ac/
# autoconf source script for generating configure
AC_INIT([opusfile], m4_esyscmd([doc/git-version.sh]))
AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE
AM_INIT_AUTOMAKE([1.11 foreign])
AM_MAINTAINER_MODE([enable])
LT_INIT
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AC_CONFIG_MACRO_DIR([m4])
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=0
OP_LT_REVISION=1
OP_LT_AGE=0
AC_SUBST(OP_LT_CURRENT)
AC_SUBST(OP_LT_REVISION)
AC_SUBST(OP_LT_AGE)
AC_ARG_ENABLE([assertions],
AS_HELP_STRING([--enable-assertions], [Enable assertions in code]),,
enable_assertions=no)
AS_IF([test "x$enable_assertions" = "xyes"], [
AC_DEFINE([OP_ENABLE_ASSERTIONS], [1], [Enable assertions in code])
])
AC_ARG_ENABLE([http],
AS_HELP_STRING([--disable-http], [Disable HTTP support]),,
enable_http=yes)
AS_IF([test "x$enable_http" != "xno"],
AC_CHECK_HEADER([sys/socket.h],,
AC_MSG_WARN([HTTP support requires a posix socket library.])
enable_http=no
)
)
AS_IF([test "x$enable_http" != "xno"], [
openssl="openssl"
AC_DEFINE([OP_ENABLE_HTTP], [1], [Enable HTTP support])
])
AC_SUBST(openssl)
PKG_CHECK_MODULES([DEPS], [ogg >= 1.3 opus >= 1.0.1 ${openssl}])
AC_ARG_ENABLE([fixed-point],
AS_HELP_STRING([--enable-fixed-point], [Enable fixed-point calculation]),,
enable_fixed_point=no)
AC_ARG_ENABLE([float],
AS_HELP_STRING([--disable-float], [Disable floating-point API]),,
enable_float=yes)
AS_IF([test "x$enable_float" = "xno"],
[enable_fixed_point=yes
AC_DEFINE([OP_DISABLE_FLOAT_API], [1], [Disable floating-point API])
]
)
AS_IF([test "x$enable_fixed_point" = "xyes"],
[AC_DEFINE([OP_FIXED_POINT], [1], [Enable fixed-point calculation])],
[dnl This only has to be tested for if float->fixed conversions are required
AC_SEARCH_LIBS([lrintf], [m], [
AC_DEFINE([OP_HAVE_LRINTF], [1], [Enable use of lrintf function])
lrintf_notice="
Library for lrintf() ......... ${ac_cv_search_lrintf}"
])
]
)
AC_SUBST(ac_cv_search_lrintf)
CC_ATTRIBUTE_VISIBILITY([default], [
CC_FLAG_VISIBILITY([CFLAGS="${CFLAGS} -fvisibility=hidden"])
])
CC_CHECK_CFLAGS_APPEND([-std=c89 -pedantic -Wall -Wextra -Wno-parentheses -Wno-long-long])
# Platform-specific tweaks
case $host in
*-mingw*)
# -std=c89 causes some warnings under mingw.
CC_CHECK_CFLAGS_APPEND([-U__STRICT_ANSI__])
;;
esac
dnl Check for doxygen
AC_ARG_ENABLE([doc],
AS_HELP_STRING([--disable-doc], [Do not build API documentation]),,
[enable_doc=yes]
)
AC_CHECK_PROG(HAVE_DOXYGEN, doxygen, yes, no)
if test "$HAVE_DOXYGEN" != "yes" -o "$enable_doc" != "yes" ; then
HAVE_DOXYGEN="no"
enable_doc="no"
fi
AM_CONDITIONAL(HAVE_DOXYGEN, [test $HAVE_DOXYGEN = yes])
AC_OUTPUT([
Makefile
opusfile.pc
opusfile-uninstalled.pc
doc/Doxyfile
])
AC_MSG_NOTICE([
------------------------------------------------------------------------
$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 documentation ............ ${enable_doc}
------------------------------------------------------------------------
])