# ETL M4 Macro

# For GNU Autotools

# $Id$

#

# By Robert B. Quattlebaum Jr. <darco@users.sf.net></darco@users.sf.net>

#

AC_DEFUN([ETL_DEPS],

[

	AC_CHECK_LIB(user32, main)

	AC_CHECK_LIB([kernel32], [CreateMutex])

	AC_CHECK_LIB([pthread], [pthread_mutex_init])

	# This macro is obsolescent, as current systems have conforming header files. New programs need not use this macro. 

	#AC_HEADER_STDC

	AC_CHECK_HEADERS(pthread.h)

	AC_CHECK_HEADERS(sched.h)

	AC_CHECK_HEADERS(sys/time.h)

	AC_CHECK_HEADERS(unistd.h)

	AC_CHECK_HEADERS(windows.h)

	AC_CHECK_FUNCS([pthread_create])

	AC_CHECK_FUNCS([pthread_rwlock_init])

	AC_CHECK_FUNCS([sched_yield])

	AC_CHECK_FUNCS([CreateThread])

	AC_CHECK_FUNCS([QueryPerformanceCounter])

	AC_CHECK_FUNCS([gettimeofday])

	AC_CHECK_FUNCS([sscanf])

	AC_CHECK_FUNCS([vsscanf])

	AC_CHECK_FUNCS([vsprintf])

	AC_CHECK_FUNCS([vasprintf])

	AC_CHECK_FUNCS([vsnprintf],[],[

		AC_CHECK_FUNC([_vsnprintf],[

			AC_DEFINE(vsnprintf,_vsnprintf,[define if the vsnprintf function is mangled])

			AC_DEFINE(HAVE_VSNPRINTF,1)

		])

	])

])

AC_DEFUN([USING_ETL],

[

	AC_ARG_WITH(ETL-includes,

	[  --with-ETL-includes    Specify location of ETL headers],[

	CXXFLAGS="$CXXFLAGS -I$withval"

	])

	AC_PATH_PROG(ETL_CONFIG,ETL-config,no)

	if test "$ETL_CONFIG" = "no"; then

		no_ETL_config="yes"

		$2

	else

		AC_MSG_CHECKING([if $ETL_CONFIG works])

		if $ETL_CONFIG --libs >/dev/null 2>&1; then

			ETL_VERSION="`$ETL_CONFIG --version`"

			AC_MSG_RESULT([yes, $ETL_VERSION])

			CXXFLAGS="$CXXFLAGS `$ETL_CONFIG --cxxflags`"

			$1

		else

			AC_MSG_RESULT(no)

			no_ETL_config="yes"

			$2

		fi

	fi

	ETL_DEPS

])