#							-*- Autotest -*-

AT_BANNER([Erlang low level compiling and utility macros.])

# Copyright (C) 2009-2012 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 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.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# Since the macros which compile are required by most tests, check

# them first.  But remember that looking for a compiler is even more

# primitive, so check those first.

## ----------------- ##

## Erlang Compiler.  ##

## ----------------- ##

AT_CHECK_MACRO([Erlang],

[[AC_ERLANG_PATH_ERL([no])

AC_ERLANG_PATH_ERLC([no])

if test "$ERL" = "no" || test "$ERLC" = "no"; then AS_EXIT([77]); fi

AC_LANG([Erlang])

## Can't compile, but can run an Erlang module:

AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [halt(0)])],

		  [AC_MSG_RESULT([ok])

		   AC_MSG_ERROR([compiling Erlang program should fail])],

		  [AC_MSG_RESULT([failed])])

AC_RUN_IFELSE([AC_LANG_PROGRAM([], [halt(0)])],

	      [AC_MSG_RESULT([ok])],

	      [AC_MSG_RESULT([failed])

	       AC_MSG_ERROR([could not run test program])])

]],

[AT_KEYWORDS([Erlang])])

## ---------------------- ##

## Erlang lib detection.  ##

## ---------------------- ##

AT_CHECK_MACRO([AC_ERLANG_CHECK_LIB],

[[AC_ERLANG_PATH_ERL([no])

AC_ERLANG_PATH_ERLC([no])

if test "$ERL" = "no" || test "$ERLC" = "no"; then AS_EXIT([77]); fi

AC_ERLANG_CHECK_LIB([stdlib],

		    [AC_MSG_RESULT([ok])],

		    [AC_MSG_RESULT([failed])])

## Test that the lib path detection really detected a directory:

if test "$ERLANG_LIB_DIR_stdlib" != "not found" \

  && test ! -d "$ERLANG_LIB_DIR_stdlib"; then

	AC_MSG_ERROR([incorrect ERLANG_LIB_DIR_stdlib variable])

fi

]],

[AT_KEYWORDS([Erlang])])

## --------------------------- ##

## Erlang root dir detection.  ##

## --------------------------- ##

AT_CHECK_MACRO([AC_ERLANG_SUBST_ROOT_DIR],

[[AC_ERLANG_PATH_ERL([no])

AC_ERLANG_PATH_ERLC([no])

if test "$ERL" = "no" || test "$ERLC" = "no"; then AS_EXIT([77]); fi

AC_ERLANG_SUBST_ROOT_DIR

## Test that the root path detection really detected a directory:

if test ! -d "$ERLANG_ROOT_DIR"; then

	AC_MSG_ERROR([incorrect ERLANG_ROOT_DIR variable])

fi

]],

[AT_KEYWORDS([Erlang])])

## -------------------------- ##

## Erlang lib dir detection.  ##

## -------------------------- ##

AT_CHECK_MACRO([AC_ERLANG_SUBST_LIB_DIR],

[[AC_ERLANG_PATH_ERL([no])

AC_ERLANG_PATH_ERLC([no])

if test "$ERL" = "no" || test "$ERLC" = "no"; then AS_EXIT([77]); fi

AC_ERLANG_SUBST_LIB_DIR

## Test that the lib path detection really detected a directory:

if test ! -d "$ERLANG_LIB_DIR"; then

	AC_MSG_ERROR([incorrect ERLANG_LIB_DIR variable])

fi

]],

[AT_KEYWORDS([Erlang])])

## ----------------------------------- ##

## Erlang install base dir detection.  ##

## ----------------------------------- ##

AT_CHECK_MACRO([AC_ERLANG_SUBST_INSTALL_LIB_DIR],

	       [AT_KEYWORDS([Erlang])])

## ---------------------------------- ##

## Erlang install lib dir detection.  ##

## ---------------------------------- ##

AT_CHECK_MACRO([AC_ERLANG_SUBST_INSTALL_LIB_SUBDIR],

[[AC_ERLANG_SUBST_INSTALL_LIB_SUBDIR([test_blah], [1.24-b])

## Test that the generated directory name is well-formed:

if test `echo "$ERLANG_INSTALL_LIB_DIR_test_blah" | sed -e 's/^.*\///'` != "test_blah-1.24-b"; then

	AC_MSG_ERROR([incorrect ERLANG_INSTALL_LIB_DIR_test_blah variable])

fi

]],

[AT_KEYWORDS([Erlang])])

## -------------------------- ##

## Erlang version detection.  ##

## -------------------------- ##

AT_CHECK_MACRO([AC_ERLANG_SUBST_ERTS_VER],

[[AC_ERLANG_PATH_ERL([no])

AC_ERLANG_PATH_ERLC([no])

if test "$ERL" = "no" || test "$ERLC" = "no"; then AS_EXIT([77]); fi

AC_ERLANG_SUBST_ERTS_VER

]],

[AT_KEYWORDS([Erlang])])