AC_INIT([FedStage DRMAA utilities library], [2.0.1], [drmaa-pbspro-users@lists.fedstage.com], [drmaa_utils])
AC_PREREQ(2.59)
AC_REVISION([$Id: configure.ac 1673 2008-11-21 20:17:05Z lukasz $])
AC_COPYRIGHT([
FedStage DRMAA utilities library
Copyright (C) 2006-2008  FedStage Systems

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/>.
])

DRMAA_UTILS_MAJOR=2
DRMAA_UTILS_MINOR=0
DRMAA_UTILS_MICRO=1
DRMAA_UTILS_VERSION_INFO=2:1:0
AC_SUBST([DRMAA_UTILS_MAJOR])
AC_SUBST([DRMAA_UTILS_MINOR])
AC_SUBST([DRMAA_UTILS_MICRO])
AC_SUBST([DRMAA_UTILS_VERSION_INFO])

AC_CONFIG_SRCDIR([drmaa_utils/xmalloc.c])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_AUX_DIR([scripts])

AM_INIT_AUTOMAKE
DEVELOPER_MODE="no"
AM_CONDITIONAL([DEVELOPER_MODE], [test "x$DEVELOPER_MODE" = "xyes"])

# command-line arguments:
AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug],
			[produce code suiteable for debugging and print logs at runtime]))
AC_ARG_ENABLE(development, AC_HELP_STRING([--enable-development],
			[enable development mode: make additional checks (suiteable for FedStage DRMAA utilities library developers)]))

AC_ARG_WITH(drmaa-utils, AC_HELP_STRING([--with-drmaa-utils=...],
		[used only to detect that drmaa utils is sub packaged]))
AM_CONDITIONAL([DRMAA_UTILS_STANDALONE],
		[test x$with_drmaa_utils = x])

# programs:
AC_PROG_CC
AC_PROG_CPP
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PROG_LIBTOOL
AC_PROG_MAKE_SET
AC_PROG_LN_S


# code generation tools:
AC_PROG_YACC
AX_GPERF
AC_CHECK_PROGS([RAGEL], [ragel], [sh m4/missing-dev-prog.sh ragel])

# reStructuredText processing:
AX_DOCUTILS
# documentation generation:
AC_CHECK_PROGS([DOT], [dot])
if test x$DOT != x; then
	HAVE_DOT=yes
else
	HAVE_DOT=no
fi
AC_SUBST([HAVE_DOT])

# check compiler / set basic flags:
if test x$ac_cv_prog_cc_stdc = xno; then
	AC_MSG_ERROR([ANSI C compiler is required])
fi

if test x$GCC = xyes; then
	CFLAGS="-pedantic -ansi ${CFLAGS}"
fi
AM_CONDITIONAL([GCC], [test x$GCC = xyes])

AX_GCC_WARNINGS()

AH_TEMPLATE([DEBUGGING], [Produce debugging code])
if test x$enable_debug = xyes; then
	AC_DEFINE(DEBUGGING,[1])
	CFLAGS="${CFLAGS} -O0"
else
	CPPFLAGS="-DNDEBUG ${CPPFLAGS}"
fi

AH_TEMPLATE([DEVELOPMENT], [Development mode])
if test x$enable_development = xyes; then
	AC_DEFINE(DEVELOPMENT, [1])
fi

AH_BOTTOM([
#ifndef __GNUC__
#	define __attribute__ /* nothing */
#endif
])

# system:
CPPFLAGS="-D_REENTRANT -D_THREAD_SAFE ${CPPFLAGS}"

AC_CANONICAL_HOST
case "$host_os" in
	*linux*)
		CPPFLAGS="${CPPFLAGS} -D_GNU_SOURCE"
		;;
	*solaris*)
		CPPFLAGS="${CPPFLAGS} -D_XOPEN_SOURCE=500 -D__EXTENSIONS__"
		;;
	*freebsd*)
		;;
	*darwin*)
		CPPFLAGS="${CPPFLAGS} -D_XOPEN_SOURCE=400"
		;;
	*aix*)                                                                                                                                                                                                                                  
		CPPFLAGS="${CPPFLAGS} -D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED=1 -D__linux__"  
		;;
	*)
		CPPFLAGS="${CPPFLAGS} -D_XOPEN_SOURCE=500 -D__USE_BSD"
		;;
esac


AC_C_BIGENDIAN_CROSS

# project prerequisites:

# libraries:
ACX_PTHREAD([CFLAGS="$CFLAGS $PTHREAD_CFLAGS" LIBS="$PTHREAD_LIBS $LIBS"],
		[AC_MSG_ERROR([POSIX threads library is required by DRMAA.])])

# headers:
AC_CHECK_HEADERS([execinfo.h fcntl.h inttypes.h libintl.h limits.h malloc.h stddef.h stdint.h stdlib.h string.h sys/time.h unistd.h])
AC_HEADER_STDBOOL
AC_HEADER_TIME

# types and structures:
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_MODE_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT8_T
AC_STRUCT_TM
AC_CHECK_MEMBER(struct tm.tm_gmtoff,[AC_DEFINE([HAVE_STRUCT_TM_GMTOFF],[1],[gmtoff in struct tm])],,[#include <time.h>])

# compiler characteristic
AC_C_CONST
AC_C_INLINE
AC_C_VOLATILE

# functions:
AC_FUNC_ALLOCA
AC_FUNC_STRERROR_R
AC_FUNC_STRFTIME
AC_CHECK_FUNCS([ \
	asprintf \
	fstat \
	getcwd \
	gettimeofday \
	localtime_r \
	memset \
	strchr \
	strdup \
	strerror \
	strlcpy \
	strndup \
	strstr \
	vasprintf])
AX_FUNC_GETTID
AX_FUNC_VA_COPY
AC_SEARCH_LIBS([backtrace], [execinfo])

# system services:

# turn on warning after all tests
if test x$GCC = xyes; then
	if test x$enable_development = xyes; then
		CFLAGS="-Werror ${CFLAGS}"
	fi
	CFLAGS="-Wall -W -Wno-unused  $GCC_W_NO_FORMAT_ZERO_LENGTH  $GCC_W_NO_MISSING_FIELD_INITIALIZERS ${CFLAGS}"
fi

AC_CONFIG_FILES([
	Makefile
	drmaa_utils/Makefile
	test/Makefile
	Doxyfile
])
AC_CONFIG_HEADERS([config.h])
AC_OUTPUT

echo
echo "Run 'make' now."