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# -*- Autotest -*-
AT_BANNER([Low level compiling/preprocessing macros.])
# Copyright (C) 2000, 2001, 2003, 2005, 2006, 2007, 2008, 2009 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.
# 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.
## ------------------------------------- ##
## AC_LANG, AC_LANG_PUSH & AC_LANG_POP. ##
## ------------------------------------- ##
AT_SETUP([[AC_LANG, AC_LANG_PUSH & AC_LANG_POP]])
AT_DATA([configure.ac],
[[AC_INIT
# C
AC_LANG([C])
# C
AC_LANG_PUSH([C])
# C C
AC_LANG_PUSH([C++])
# C++ C C
AC_LANG([C++])
# C++ C C
AC_LANG_PUSH([Erlang])
# Erlang C++ C C
AC_LANG_PUSH([Fortran 77])
# F77 Erlang C++ C C
AC_LANG_POP([Fortran 77])
# Erlang C++ C C
AC_LANG_POP([Erlang])
# C++ C C
AC_LANG([C++])
# C++ C C
AC_LANG_POP([C++])
# C C
AC_LANG_POP([C])
# C
]])
AT_CHECK_AUTOCONF
AT_CHECK([sed -n 's/^ac_ext=//p' configure], 0,
[c
c
c
cpp
cpp
erl
f
erl
cpp
cpp
c
c
])
AT_CLEANUP
## ---------------------- ##
## AC_REQUIRE & AC_LANG. ##
## ---------------------- ##
AT_SETUP([AC_REQUIRE & AC_LANG])
AT_DATA([configure.ac],
[[AC_DEFUN([AC_F77_1],
[AC_LANG_PUSH([Fortran 77])
if test $ac_ext != f; then
AC_MSG_ERROR([F77_1: current shell language is $ac_ext, expected Fortran])
fi
AC_LANG_POP
])
AC_DEFUN([AC_F77_2],
[AC_LANG_PUSH([Fortran 77])
AC_REQUIRE([AC_F77_1])
if test $ac_ext != f; then
AC_MSG_ERROR([F77_2: current shell language is $ac_ext, expected Fortran])
fi
AC_LANG_POP
])
AC_INIT
AC_F77_2
AS_EXIT(0)
]])
AT_CHECK_AUTOCONF
AT_CHECK_CONFIGURE
AT_CLEANUP
## --------------- ##
## AC_RUN_IFELSE. ##
## --------------- ##
AT_SETUP([AC_RUN_IFELSE])
AT_DATA([configure.ac],
[[AC_INIT
AC_RUN_IFELSE([AC_LANG_PROGRAM([], [return 0])],
[],
[AC_MSG_ERROR([saw `return 0' as a failure])])
AC_RUN_IFELSE([AC_LANG_PROGRAM([], [return 2])],
[AC_MSG_ERROR([saw `return 2' as a success])],
[estatus=$?
test $estatus != 2 &&
AC_MSG_ERROR([did not get as 2 exit status: $estatus])])
# The old stinky one.
AC_TRY_RUN([int main () { return 3; }],
[AC_MSG_ERROR([saw `return 3' as a success])],
[estatus=$?
test $estatus != 3 &&
AC_MSG_ERROR([did not get 3 as exit status: $estatus])])
]])
AT_CHECK_AUTOCONF
AT_CHECK_CONFIGURE([-q])
AT_CLEANUP
## -------------------------- ##
## Order of `rm' and actions. ##
## -------------------------- ##
AT_SETUP([Order of user actions and cleanup])
AT_DATA([configure.ac],
[[AC_INIT
AC_PROG_CC
AC_PREPROC_IFELSE([AC_LANG_PROGRAM([int ok;], [])],
[test -f conftest.err || AS_EXIT([1])],
[AS_EXIT([1])])
AC_PREPROC_IFELSE([AC_LANG_PROGRAM([#define 12 34], [])],
[AS_EXIT([1])],
[test -f conftest.err || AS_EXIT([1])])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([int ok;], [])],
[test -f conftest.$ac_objext || AS_EXIT([1])],
[AS_EXIT([1])])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([int bad bad;], [])],
[AS_EXIT([1])],
[test -f conftest.err || AS_EXIT([1])])
AC_LINK_IFELSE([AC_LANG_PROGRAM([int ok;], [])],
[test -f conftest$ac_exeext || AS_EXIT([1])],
[AS_EXIT([1])])
AC_LINK_IFELSE([AC_LANG_PROGRAM([int bad bad;], [])],
[AS_EXIT([1])],
[test -f conftest.err || AS_EXIT([1])])
AC_RUN_IFELSE([AC_LANG_PROGRAM([int ok;], [])],
[./conftest$ac_exeext || AS_EXIT([1])],
[AS_EXIT([1])])
d@&t@nl conftest.err not generated by AC_RUN_IFELSE?
AC_RUN_IFELSE([AC_LANG_PROGRAM([int bad bad;], [])],
[AS_EXIT([1])],
[])
]])
AT_CHECK_AUTOCONF
AT_CHECK_CONFIGURE([-q])
AT_CLEANUP
## ------------------ ##
## AC_TRY_LINK_FUNC. ##
## ------------------ ##
AT_CHECK_MACRO([AC_TRY_LINK_FUNC],
[AC_TRY_LINK_FUNC(printf,,
[AC_MSG_ERROR([cannot find `printf'])])
AC_TRY_LINK_FUNC(Be_doomed_if_your_libc_has_a_function_named_like_this,
[AC_MSG_ERROR([found a nonexistent function])])])
## -------------------- ##
## Multiple languages. ##
## -------------------- ##
AT_SETUP([Multiple languages])
# This test should be skipped if the C compiler is a C++ compiler.
AT_DATA([configure.ac],
[[AC_INIT
AC_PROG_CC
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#ifdef __cplusplus
choke me
#endif
]])], [], AS_EXIT([77]))
]])
AT_CHECK_AUTOCONF
AT_CHECK_CONFIGURE
# This test should be skipped on systems without a C++ compiler.
AT_DATA([configure.ac],
[[AC_INIT
AC_PROG_CXX
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#ifndef __cplusplus
choke me
#endif
]])], [], AS_EXIT([77]))
AC_LANG_POP([C++])
]])
AT_CHECK_AUTOCONF
AT_CHECK_CONFIGURE
AT_DATA([configure.ac],
[[AC_INIT
AC_PROG_CC
AC_PROG_CXX
AC_LANG_PUSH([C])
AC_MSG_CHECKING([a simple C program that is not valid C++])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([enum a { A, B, C };
enum a f(enum a in) { return in++; }], [])],
[AC_MSG_RESULT([ok])],
[AC_MSG_RESULT([failed])
AC_MSG_ERROR([could not compile test program])])
AC_LANG_POP([C])
AC_LANG_PUSH([C++])
AC_MSG_CHECKING([a simple C++ program that is not valid C])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([class A {};], [])],
[AC_MSG_RESULT([ok])],
[AC_MSG_RESULT([failed])
AC_MSG_ERROR([could not compile test program])])
AC_CHECK_HEADER([cstring])
AC_LANG_POP([C++])
]])
AT_CHECK_AUTOCONF
AT_CHECK_CONFIGURE([-q])
AT_CLEANUP
|
