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Diffstat (limited to 'lib/autoconf/erlang.m4')
| -rw-r--r-- | lib/autoconf/erlang.m4 | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/lib/autoconf/erlang.m4 b/lib/autoconf/erlang.m4 new file mode 100644 index 0000000..953ffb0 --- /dev/null +++ b/lib/autoconf/erlang.m4 @@ -0,0 +1,320 @@ +# This file is part of Autoconf. -*- Autoconf -*- +# Erlang/OTP language support. +# Copyright (C) 2006, 2008-2012 Free Software Foundation, Inc. + +# This file is part of Autoconf. 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 3 of the License, 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. +# +# Under Section 7 of GPL version 3, you are granted additional +# permissions described in the Autoconf Configure Script Exception, +# version 3.0, as published by the Free Software Foundation. +# +# You should have received a copy of the GNU General Public License +# and a copy of the Autoconf Configure Script Exception along with +# this program; see the files COPYINGv3 and COPYING.EXCEPTION +# respectively. If not, see <http://www.gnu.org/licenses/>. + +# 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) +# --------------- +AC_LANG_DEFINE([Erlang], [erl], [ERL], [ERLC], [], +[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 +# -------------- +AU_DEFUN([AC_LANG_ERLANG], [AC_LANG(Erlang)]) + + + +## ----------------------- ## +## 2. Producing programs. ## +## ----------------------- ## + + +# AC_LANG_PROGRAM(Erlang)([PROLOGUE], [BODY]) +# ------------------------------------------- +m4_define([AC_LANG_PROGRAM(Erlang)], +[[-module(conftest). +-export([start/0]).]] +[$1 +start() -> +$2 +. +]) + + +# _AC_LANG_NULL_PROGRAM(Erlang) +# ----------------------------- +# Produce source that does nothing. +m4_define([_AC_LANG_NULL_PROGRAM(Erlang)], +[AC_LANG_PROGRAM([], [halt(0)])]) + + +# _AC_LANG_IO_PROGRAM(Erlang) +# --------------------------- +# Produce source that performs I/O. +m4_define([_AC_LANG_IO_PROGRAM(Erlang)], +[AC_LANG_PROGRAM([], [dnl + ReturnValue = case file:write_file("conftest.out", "") of + {error, _} -> 1; + ok -> 0 + end, + halt(ReturnValue)])]) + + +## -------------------------------------------- ## +## 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], + [ac_cv_erlang_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)])], + [ac_cv_erlang_lib_dir_$1=`cat conftest.out` + rm -f conftest.out], + [if test ! -f conftest.out; then + AC_MSG_FAILURE([test Erlang program execution failed]) + else + ac_cv_erlang_lib_dir_$1="not found" + rm -f conftest.out + fi]) + AC_LANG_POP(Erlang)[]dnl + ]) +AC_CACHE_CHECK([for Erlang/OTP '$1' library version], + [ac_cv_erlang_lib_ver_$1], + [AS_IF([test "$ac_cv_erlang_lib_dir_$1" = "not found"], + [ac_cv_erlang_lib_ver_$1="not found"], + [ac_cv_erlang_lib_ver_$1=`AS_ECHO(["$ac_cv_erlang_lib_dir_$1"]) | sed -n -e 's,^.*-\([[^/-]]*\)$,\1,p'`])[]dnl + ]) +AC_SUBST([ERLANG_LIB_DIR_$1], [$ac_cv_erlang_lib_dir_$1]) +AC_SUBST([ERLANG_LIB_VER_$1], [$ac_cv_erlang_lib_ver_$1]) +AS_IF([test "$ac_cv_erlang_lib_dir_$1" = "not found"], [$3], [$2]) +])# AC_ERLANG_CHECK_LIB + + +# AC_ERLANG_SUBST_ROOT_DIR +# ------------------------ +# Determines the Erlang/OTP root directory. +AC_DEFUN([AC_ERLANG_SUBST_ROOT_DIR], +[AC_REQUIRE([AC_ERLANG_NEED_ERLC])[]dnl +AC_REQUIRE([AC_ERLANG_NEED_ERL])[]dnl +AC_CACHE_CHECK([for Erlang/OTP root directory], + [ac_cv_erlang_root_dir], + [AC_LANG_PUSH(Erlang)[]dnl + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([], [dnl + RootDir = code:root_dir(), + file:write_file("conftest.out", RootDir), + ReturnValue = 0, + halt(ReturnValue)])], + [ac_cv_erlang_root_dir=`cat conftest.out` + rm -f conftest.out], + [rm -f conftest.out + AC_MSG_FAILURE([test Erlang program execution failed])]) + AC_LANG_POP(Erlang)[]dnl + ]) +AC_SUBST([ERLANG_ROOT_DIR], [$ac_cv_erlang_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], + [ac_cv_erlang_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)])], + [ac_cv_erlang_lib_dir=`cat conftest.out` + rm -f conftest.out], + [rm -f conftest.out + AC_MSG_FAILURE([test Erlang program execution failed])]) + AC_LANG_POP(Erlang)[]dnl + ]) +AC_SUBST([ERLANG_LIB_DIR], [$ac_cv_erlang_lib_dir]) +])# AC_ERLANG_SUBST_LIB_DIR + + +# AC_ERLANG_SUBST_INSTALL_LIB_DIR +# ------------------------------- +# Directories for installing Erlang/OTP packages are separated from the +# directories determined by running the Erlang/OTP installation that is used +# for building. +AC_DEFUN([AC_ERLANG_SUBST_INSTALL_LIB_DIR], +[AC_MSG_CHECKING([for Erlang/OTP library installation base directory]) +AC_ARG_VAR([ERLANG_INSTALL_LIB_DIR], + [Erlang/OTP library installation base directory [LIBDIR/erlang/lib]]) +if test -n "$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-$2]) +fi +])# AC_ERLANG_SUBST_INSTALL_LIB_SUBDIR + + +# AC_ERLANG_SUBST_ERTS_VER +# ------------------------ +# Determines the Erlang runtime system version. +AC_DEFUN([AC_ERLANG_SUBST_ERTS_VER], +[AC_REQUIRE([AC_ERLANG_NEED_ERLC])[]dnl +AC_REQUIRE([AC_ERLANG_NEED_ERL])[]dnl +AC_CACHE_CHECK([for Erlang/OTP ERTS version], + [ac_cv_erlang_erts_ver], + [AC_LANG_PUSH([Erlang])[]dnl + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([], [dnl + Version = erlang:system_info(version), + file:write_file("conftest.out", Version), + ReturnValue = 0, + halt(ReturnValue)])], + [ac_cv_erlang_erts_ver=`cat conftest.out` + rm -f conftest.out], + [rm -f conftest.out + AC_MSG_FAILURE([test Erlang program execution failed])]) + AC_LANG_POP([Erlang])[]dnl + ]) +AC_SUBST([ERLANG_ERTS_VER], [$ac_cv_erlang_erts_ver]) +])# AC_ERLANG_SUBST_ERTS_VER |