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# This file is part of Autoconf. -*- Autoconf -*-
# Erlang/OTP language support.
# Copyright (C) 2006 Free Software Foundation, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
#
# As a special exception, the Free Software Foundation gives unlimited
# permission to copy, distribute and modify the configure scripts that
# are the output of Autoconf. You need not follow the terms of the GNU
# General Public License when using or distributing such scripts, even
# though portions of the text of Autoconf appear in them. The GNU
# General Public License (GPL) does govern all other use of the material
# that constitutes the Autoconf program.
#
# Certain portions of the Autoconf source text are designed to be copied
# (in certain cases, depending on the input) into the output of
# Autoconf. We call these the "data" portions. The rest of the Autoconf
# source text consists of comments plus executable code that decides which
# of the data portions to output in any given case. We call these
# comments and executable code the "non-data" portions. Autoconf never
# copies any of the non-data portions into its output.
#
# This special exception to the GPL applies to versions of Autoconf
# released by the Free Software Foundation. When you make and
# distribute a modified version of Autoconf, you may extend this special
# exception to the GPL to apply to your modified version as well, *unless*
# your modified version has the potential to copy into its output some
# of the text that was the non-data portion of the version that you started
# with. (In other words, unless your change moves or copies text from
# the non-data portions to the data portions.) If your modification has
# such potential, you must delete any notice of this special exception
# to the GPL from your modified version.
#
# Written by Romain Lenglet.
# Table of Contents:
#
# 0. Utility macros
#
# 1. Language selection
# and routines to produce programs in a given language.
#
# 2. Producing programs in a given language.
#
# 3. Looking for a compiler
# And possibly the associated preprocessor.
## ------------------- ##
## 0. Utility macros. ##
## ------------------- ##
# AC_ERLANG_PATH_ERLC([VALUE-IF-NOT-FOUND], [PATH])
# -------------------------------------------------
AC_DEFUN([AC_ERLANG_PATH_ERLC],
[AC_ARG_VAR([ERLC], [Erlang/OTP compiler command [autodetected]])dnl
if test -n "$ERLC"; then
AC_MSG_CHECKING([for erlc])
AC_MSG_RESULT([$ERLC])
else
AC_PATH_TOOL(ERLC, erlc, [$1], [$2])
fi
AC_ARG_VAR([ERLCFLAGS], [Erlang/OTP compiler flags [none]])dnl
])
# AC_ERLANG_NEED_ERLC([PATH])
# ---------------------------
AC_DEFUN([AC_ERLANG_NEED_ERLC],
[AC_ERLANG_PATH_ERLC([not found], [$1])
if test "$ERLC" = "not found"; then
AC_MSG_ERROR([Erlang/OTP compiler (erlc) not found but required])
fi
])
# AC_ERLANG_PATH_ERL([VALUE-IF-NOT-FOUND], [PATH])
# ------------------------------------------------
AC_DEFUN([AC_ERLANG_PATH_ERL],
[AC_ARG_VAR([ERL], [Erlang/OTP interpreter command [autodetected]])dnl
if test -n "$ERL"; then
AC_MSG_CHECKING([for erl])
AC_MSG_RESULT([$ERL])
else
AC_PATH_TOOL(ERL, erl, [$1], [$2])[]dnl
fi
])
# AC_ERLANG_NEED_ERL([PATH])
# --------------------------
AC_DEFUN([AC_ERLANG_NEED_ERL],
[AC_ERLANG_PATH_ERL([not found], [$1])
if test "$ERL" = "not found"; then
AC_MSG_ERROR([Erlang/OTP interpreter (erl) not found but required])
fi
])
## ----------------------- ##
## 1. Language selection. ##
## ----------------------- ##
# AC_LANG(Erlang)
# ---------------
m4_define([AC_LANG(Erlang)],
[ac_ext=erl
ac_compile='$ERLC $ERLCFLAGS -b beam conftest.$ac_ext >&AS_MESSAGE_LOG_FD'
ac_link='$ERLC $ERLCFLAGS -b beam conftest.$ac_ext >&AS_MESSAGE_LOG_FD ; echo "#!/bin/sh" > conftest$ac_exeext ; AS_ECHO(["\"$ERL\" -run conftest start -run init stop -noshell"]) >> conftest$ac_exeext ; chmod +x conftest$ac_exeext'
])
# AC_LANG_ERLANG
# --------------
m4_define([AC_LANG_ERLANG], [AC_LANG(Erlang)])
# _AC_LANG_ABBREV(Erlang)
# -----------------------
m4_define([_AC_LANG_ABBREV(Erlang)], [erl])
# _AC_LANG_PREFIX(Erlang)
# -----------------------
m4_define([_AC_LANG_PREFIX(Erlang)], [ERL])
## ---------------------- ##
## 2.Producing programs. ##
## ---------------------- ##
# AC_LANG_SOURCE(Erlang)(BODY)
# ----------------------------
m4_define([AC_LANG_SOURCE(Erlang)],
[$1])
# AC_LANG_PROGRAM(Erlang)([PROLOGUE], [BODY])
# -------------------------------------------
m4_define([AC_LANG_PROGRAM(Erlang)],
[[-module(conftest).
-export([start/0]).]]
[$1
start() ->
$2
.
])
## -------------------------------------------- ##
## 3. Looking for Compilers and Preprocessors. ##
## -------------------------------------------- ##
# AC_LANG_PREPROC(Erlang)
# -----------------------
# Find the Erlang preprocessor. Must be AC_DEFUN'd to be AC_REQUIRE'able.
AC_DEFUN([AC_LANG_PREPROC(Erlang)],
[m4_warn([syntax],
[$0: No preprocessor defined for ]_AC_LANG)])
# AC_LANG_COMPILER(Erlang)
# ------------------------
# Find the Erlang compiler. Must be AC_DEFUN'd to be AC_REQUIRE'able.
AC_DEFUN([AC_LANG_COMPILER(Erlang)],
[AC_REQUIRE([AC_ERLANG_PATH_ERLC])])
# AC_ERLANG_CHECK_LIB(LIBRARY, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
# ----------------------------------------------------------------------
# Macro for checking if an Erlang library is installed, and to
# determine its version
#
AC_DEFUN([AC_ERLANG_CHECK_LIB],
[AC_REQUIRE([AC_ERLANG_PATH_ERLC])[]dnl
AC_REQUIRE([AC_ERLANG_PATH_ERL])[]dnl
AC_CACHE_CHECK([for Erlang/OTP '$1' library subdirectory],
[erlang_cv_lib_dir_$1],
[AC_LANG_PUSH(Erlang)[]dnl
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([], [dnl
ReturnValue = case code:lib_dir("[$1]") of
{error, bad_name} ->
file:write_file("conftest.out", "not found\n"),
1;
LibDir ->
file:write_file("conftest.out", LibDir),
0
end,
halt(ReturnValue)])],
[erlang_cv_lib_dir_$1=`cat conftest.out`],
[if test ! -f conftest.out; then
AC_MSG_FAILURE([test Erlang program execution failed])
else
erlang_cv_lib_dir_$1="not found"
fi])
AC_LANG_POP(Erlang)[]dnl
])
AC_CACHE_CHECK([for Erlang/OTP '$1' library version],
[erlang_cv_lib_ver_$1],
[AS_IF([test "$erlang_cv_lib_dir_$1" = "not found"],
[erlang_cv_lib_ver_$1="not found"],
[erlang_cv_lib_ver_$1=`AS_ECHO(["$erlang_cv_lib_dir_$1"]) | sed -n -e 's,^.*-\([[^/-]]*\)$,\1,p'`])[]dnl
])
AC_SUBST([ERLANG_LIB_DIR_$1], [$erlang_cv_lib_dir_$1])
AC_SUBST([ERLANG_LIB_VER_$1], [$erlang_cv_lib_ver_$1])
AS_IF([test "$erlang_cv_lib_dir_$1" = "not found"], [$3], [$2])
])# AC_ERLANG_CHECK_LIB
# AC_ERLANG_SUBST_ROOT_DIR
# ------------------------
# Determines the Erlang/OTP root directory
#
AC_DEFUN([AC_ERLANG_SUBST_ROOT_DIR],
[AC_REQUIRE([AC_ERLANG_NEED_ERLC])[]dnl
AC_REQUIRE([AC_ERLANG_NEED_ERL])[]dnl
AC_CACHE_CHECK([for Erlang/OTP root directory],
[erlang_cv_root_dir],
[AC_LANG_PUSH(Erlang)[]dnl
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([], [dnl
RootDir = code:root_dir(),
file:write_file("conftest.out", RootDir),
ReturnValue = 0,
halt(ReturnValue)])],
[erlang_cv_root_dir=`cat conftest.out`],
[AC_MSG_FAILURE([test Erlang program execution failed])])
AC_LANG_POP(Erlang)[]dnl
])
AC_SUBST([ERLANG_ROOT_DIR], [$erlang_cv_root_dir])
])# AC_ERLANG_SUBST_ROOT_DIR
# AC_ERLANG_SUBST_LIB_DIR
# -----------------------
AC_DEFUN([AC_ERLANG_SUBST_LIB_DIR],
[AC_REQUIRE([AC_ERLANG_NEED_ERLC])[]dnl
AC_REQUIRE([AC_ERLANG_NEED_ERL])[]dnl
AC_CACHE_CHECK([for Erlang/OTP library base directory],
[erlang_cv_lib_dir],
[AC_LANG_PUSH(Erlang)[]dnl
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([], [dnl
LibDir = code:lib_dir(),
file:write_file("conftest.out", LibDir),
ReturnValue = 0,
halt(ReturnValue)])],
[erlang_cv_lib_dir=`cat conftest.out`],
[AC_MSG_FAILURE([test Erlang program execution failed])])
AC_LANG_POP(Erlang)[]dnl
])
AC_SUBST([ERLANG_LIB_DIR], [$erlang_cv_lib_dir])
])# AC_ERLANG_SUBST_LIB_DIR
# AC_ERLANG_SUBST_INSTALL_LIB_DIR
# -------------------------------
#
# Directories for installing Erlang/OTP packages are separated from the
# directories determined by running the Erlang/OTP installation that is used
# for building.
#
AC_DEFUN([AC_ERLANG_SUBST_INSTALL_LIB_DIR],
[AC_MSG_CHECKING([for Erlang/OTP library installation base directory])
AC_ARG_VAR([ERLANG_INSTALL_LIB_DIR],
[Erlang/OTP library installation base directory [LIBDIR/erlang/lib]])
if test -n "$ERLANG_INSTALL_LIB_DIR"; then
AC_MSG_RESULT([$ERLANG_INSTALL_LIB_DIR])
else
AC_SUBST([ERLANG_INSTALL_LIB_DIR], ['${libdir}/erlang/lib'])
AC_MSG_RESULT([$libdir/erlang/lib])
fi
])# AC_ERLANG_SUBST_INSTALL_LIB_DIR
# AC_ERLANG_SUBST_INSTALL_LIB_SUBDIR(PACKAGE_TARNAME, PACKAGE_VERSION)
# --------------------------------------------------------------------
AC_DEFUN([AC_ERLANG_SUBST_INSTALL_LIB_SUBDIR],
[AC_REQUIRE([AC_ERLANG_SUBST_INSTALL_LIB_DIR])[]dnl
AC_MSG_CHECKING([for Erlang/OTP '$1' library installation subdirectory])
AC_ARG_VAR([ERLANG_INSTALL_LIB_DIR_$1],
[Erlang/OTP '$1' library installation subdirectory [ERLANG_INSTALL_LIB_DIR/$1-$2]])
if test -n "$ERLANG_INSTALL_LIB_DIR_$1"; then
AC_MSG_RESULT([$ERLANG_INSTALL_LIB_DIR_$1])
else
AC_SUBST([ERLANG_INSTALL_LIB_DIR_$1], ['${ERLANG_INSTALL_LIB_DIR}/$1-$2'])
AC_MSG_RESULT([$ERLANG_INSTALL_LIB_DIR/$1-$2])
fi
])# AC_ERLANG_SUBST_INSTALL_LIB_SUBDIR