ref: 8e6d4a76d616b39464f4e4a08915871f14cef1f8
dir: /configure.ac/
AC_INIT([libopusfile], [0.0])
AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE
AM_INIT_AUTOMAKE([1.11 foreign])
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=0
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"],
[openssl="openssl"
AC_DEFINE([OP_ENABLE_HTTP], [1], [Enable HTTP support])
])
PKG_CHECK_MODULES([DEPS], [ogg opus ]${openssl})
AC_ARG_ENABLE([fixed-point],
AS_HELP_STRING([--enable-fixed-point], [Enable fixed-point calculation]),,
enable_fixed_point=no)
AC_ARG_ENABLE([float],
AS_HELP_STRING([--disable-float], [Disable floating-point API]),,
enable_float=yes)
AS_IF([test "x$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() ....... : ${ac_cv_search_lrintf}"
])
]
)
CC_ATTRIBUTE_VISIBILITY([default], [
CC_FLAG_VISIBILITY([CFLAGS="${CFLAGS} -fvisibility=hidden"])
])
CC_CHECK_CFLAGS_APPEND([-std=c89 -pedantic -Wall -Wextra -Wno-parentheses -Wno-long-long])
dnl Check for doxygen
AC_ARG_ENABLE([doc],
AS_HELP_STRING([--disable-doc], [Do not build API documentation]),,
[enable_doc=yes]
)
if test "x$enable_doc" != "xno"; then
AC_CHECK_PROG(HAVE_DOXYGEN, doxygen, true, false)
if test "x$HAVE_DOXYGEN" = "xfalse" -a "x$enable_doc" = "xyes" ; then
AC_MSG_ERROR([*** Doxygen not found. Cannot build API documentation. ***])
fi
else
HAVE_DOXYGEN=false
fi
AM_CONDITIONAL(HAVE_DOXYGEN,$HAVE_DOXYGEN)
AC_OUTPUT([
Makefile
doc/Doxyfile
])
AC_MSG_NOTICE([
Summary:
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}
])