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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.57)
AC_INIT([rsyncrypto],[1.14])
AM_INIT_AUTOMAKE
AC_CONFIG_SRCDIR([rsyncrypto.h])
AM_CONFIG_HEADER([config.h])
#AM_MAINTAINER_MODE
AC_COPYRIGHT([Copyright (C) 2005-2008,2016,2017 Shachar Shemesh for Lingnu Open Source Consulting ltd.])
# Checks for programs.
AC_PROG_CXX
AC_LANG(C++)
AC_PROG_INSTALL
AC_PROG_MKDIR_P
AC_PROG_AWK
# Checks for libraries.
dnl Checks for openssl
AC_ARG_WITH([openssl],AC_HELP_STRING([--with-openssl=DIR],[use openssl install directory]),
[AC_MSG_CHECKING(for openssl path override)
case "$withval" in
yes|no)
AC_MSG_RESULT(no)
;;
*)
AC_MSG_RESULT($withval)
CPPFLAGS="$CPPFLAGS -I$withval/include"
LDFLAGS="$LDFLAGS -L$withval/lib"
;;
esac])
AC_CHECK_LIB([crypto], [AES_encrypt],,[AC_MSG_FAILURE([AES implementation in openssl not found])])
AC_CHECK_LIB([crypto], [RSA_get0_factors],,[AC_MSG_FAILURE([Need openssl 1.1.0 or higher])])
dnl Checks for libargtable2
AC_ARG_WITH([argtable2],AC_HELP_STRING([--with-argtable2=DIR],[use argtable2 build directory]),
[AC_MSG_CHECKING(for argtable2 path override)
case "$withval" in
yes|no)
AC_MSG_RESULT(no)
;;
*)
AC_MSG_RESULT($withval)
CPPFLAGS="$CPPFLAGS -I$withval"
LDFLAGS="$LDFLAGS -L$withval/.libs"
esac])
AC_CHECK_LIB([argtable2], [arg_parse],,[AC_MSG_FAILURE([argtable2 not found])])
AC_MSG_CHECKING([whether platform supports lstat])
AC_LINK_IFELSE([AC_LANG_FUNC_LINK_TRY([lstat])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_LSTAT],1,[Define to 1 if your platform has the "lstat" function call])],
[AC_MSG_RESULT(no)])
# Checks for header files.
AC_SYS_LARGEFILE
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS([fcntl.h netinet/in.h stdlib.h string.h strings.h sys/time.h unistd.h utime.h sys/mman.h])
AC_CHECK_HEADERS([argtable2.h] [map],[],[AC_MSG_FAILURE([Mandatory header file not found])])
# Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_CHECK_MEMBERS([struct stat.st_rdev])
AC_HEADER_TIME
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT8_T
AC_MSG_CHECKING([for O_NOATIME support in open])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>],
[int fd=open("/dev/null", O_RDONLY|O_NOATIME)])],
[AC_DEFINE([HAVE_NOATIME],[1],[Define to 1 if "open" supports O_NOATIME])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
AC_MSG_CHECKING([whether struct stat has nanosecond resolution])
AC_COMPILE_IFELSE([ dnl check for Linux st_mtim
AC_LANG_PROGRAM([[#include <sys/stat.h>]],[[struct stat st; st.st_mtim.tv_nsec=0;]])],
[AC_DEFINE([HAVE_STAT_NSEC],[1], [Define to 1 if struct stat supports nanosecond resolution])
AC_DEFINE([st_mtime_nsec],[st_mtim.tv_nsec],[mtime nsec access replacement])
AC_DEFINE([st_atime_nsec],[st_atim.tv_nsec],[atime nsec access replacement])
AC_DEFINE([st_ctime_nsec],[st_ctim.tv_nsec],[ctime nsec access replacement])
AC_MSG_RESULT([st_mtim is a struct timespec])],
[ dnl check for FreeBSD st_mtimespec
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]],[[struct stat st; st.st_mtimespec.tv_nsec=0;]])],
[AC_DEFINE([HAVE_STAT_NSEC],[1])
AC_DEFINE([st_mtime_nsec],[st_mtimespec.tv_nsec])
AC_DEFINE([st_atime_nsec],[st_atimespec.tv_nsec])
AC_DEFINE([st_ctime_nsec],[st_ctimespec.tv_nsec])
AC_MSG_RESULT([st_mtimespec is a struct timespec])],
[AC_MSG_RESULT([no])
AC_MSG_WARN([file times will have a 1 second resolution])])])
AC_FUNC_CLOSEDIR_VOID
AC_FUNC_ERROR_AT_LINE
AC_FUNC_FORK
AC_FUNC_LSTAT
AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
AC_FUNC_STAT
AC_CHECK_FUNCS([bzero dup2 memset mkdir munmap rmdir strchr strerror strtoul])
dnl Define a few necessary stuff
AC_DEFINE([DIRSEP_S], ["/"], [Directory separator as string])
AC_DEFINE([DIRSEP_C], ['/'], [Directory separator as char])
dnl Find out whether we have a "rsyncable" supporting gzip
AC_MSG_CHECKING([for gzip with "rsyncable" support])
if ([ gzip --rsyncable >/dev/null 2>conftest.out </dev/null && [ "$(ls -l conftest.out | tr -s ' ' | cut -d ' ' -f 5)" = 0 ] ])
then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no!])
AC_MSG_WARN([!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!])
AC_MSG_WARN([! gzip must support the "--rsyncable" flag for proper rsyncrypto operation. !])
AC_MSG_WARN([! This does not affect compilation, but a proper gzip must be available at runtime. !])
AC_MSG_WARN([!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!])
fi
# Checks for library functions.
# Checks for compiler precompiled headers support
AC_MSG_CHECKING([whether compiler supports gcc style precompiled headers])
# Force to "no" as it is incompatible with deb building
rm -f a.out
AM_CONDITIONAL(PRECOMPILED_HEADERS, false)
AC_MSG_RESULT([Debian forced no])
AC_CONFIG_FILES(Makefile)
AC_OUTPUT
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