configure.ac

AC_PREREQ([2.66])
AC_INIT([fs-utils], [1.10], [http://github.com/stacktic/fs-utils])

AC_CONFIG_SRCDIR([lib/fattr.c])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])

AC_CANONICAL_TARGET

AM_INIT_AUTOMAKE([1.11 foreign subdir-objects -Wall -Werror])
AM_MAINTAINER_MODE

# Checks for programs.
AC_PROG_CC
AC_PROG_CC_C_O
AC_PROG_LIBTOOL

AC_SYS_LARGEFILE

# Checks for libraries.
AC_CHECK_LIB([dl], [dlopen])
AC_CHECK_LIB([util], [forkpty])
AC_CHECK_LIB([socket], [socket])

AC_TRY_LINK_FUNC([clock_nanosleep],,
        AC_CHECK_LIB([rt], [clock_nanosleep])
)

# Checks for header files.
AC_CHECK_HEADERS([err.h sys/cdefs.h sys/mkdev.h sys/sysmacros.h])

# librump depends on librumpuser which has platform specific
# dependencies.  trust that things are ok if rump.h is found.
# need to fix this later to autodetect the dependencies.
# AC_CHECK_LIB([rump], [rump__init],, AC_MSG_ERROR([rump kernel required]))

AC_CHECK_HEADERS([rump/rump.h],, AC_MSG_ERROR([rump kernel required]))

AC_C_BIGENDIAN

AC_CHECK_TYPES([u_int16_t, u_int32_t])

# Checks for library functions.
AC_CHECK_FUNCS([emalloc getprogname humanize_number setmode strmode strlcpy strsep strvis])

AC_TRY_LINK_FUNC([lchmod],
	[AC_DEFINE([HAVE_LCHMOD], 1, [define if lchmod() is supported])
	  WRAP_LCHMOD="-Wl,--wrap=lchmod"]
)
AC_SUBST([WRAP_LCHMOD])

AC_CHECK_DECL([optreset],
	[AC_DEFINE(HAVE_GETOPT_OPTRESET, 1, [define for getopt/optreset])],,
	[#include <getopt.h>])

AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
AC_CHECK_MEMBERS([struct dirent.d_namlen],,,[#include <dirent.h>])
AC_CHECK_MEMBERS([struct dirent.d_reclen],,,[#include <dirent.h>])
AC_CHECK_MEMBERS([struct dirent.d_ino],,,[#include <dirent.h>])
AC_CHECK_MEMBERS([struct stat.st_atimespec],,,[#include <sys/stat.h>])
AC_CHECK_MEMBERS([struct stat.st_flags],,,[#include <sys/stat.h>])
AC_CHECK_MEMBERS([struct stat.st_gen],,,[#include <sys/stat.h>])
AC_CHECK_MEMBERS([struct sockaddr.sa_len],,,[#include <sys/socket.h>])
AC_CHECK_MEMBERS([struct sockaddr_in.sin_len],,,[#include <netinet/in.h>])

EXTRA_LIBS=""
AS_CASE([$target_os],
	[linux*], [EXTRA_LIBS="-lrumpnet_sockin -lrumpnet_net -lrumpnet -lrumpkern_sys_linux"],
	[solaris*], [EXTRA_LIBS="-lrumpkern_sys_sunos"],
	[cygwin*], [EXTRA_LIBS="-lrumpkern_sys_cygwin"],
	[netbsd*], [],
	[AC_MSG_ERROR([Conversions for $target_os data types not available])])
AC_SUBST([EXTRA_LIBS])
AM_CONDITIONAL([STATIC_RUMPKERNEL], [test $target_os = cygwin])

AC_CACHE_CHECK([whether linker requires --no-as-needed],
	[my_cv_as_needed],
	[if $CC -Wl,--help 2>&1 | grep -q as-needed; then
		LINKER_NO_AS_NEEDED="-Wl,--no-as-needed"
		my_cv_as_needed=yes;
	else
		LINKER_NO_AS_NEEDED=""
		my_cv_as_needed=no;
	fi])
AC_SUBST([LINKER_NO_AS_NEEDED])

AC_CONFIG_FILES([Makefile])

AC_OUTPUT