isync/configure.ac

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AC_INIT([isync], [1.1.0])
AC_CONFIG_HEADERS([config.h])
AM_INIT_AUTOMAKE
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AM_MAINTAINER_MODE
AC_PROG_CC
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if test "$GCC" = yes; then
CFLAGS="$CFLAGS -pipe -W -Wall -Wshadow -Wstrict-prototypes -ansi -pedantic -Wno-overlength-strings"
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fi
CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
AC_CACHE_CHECK([whether strftime supports %z], ob_cv_strftime_z,
[AC_TRY_RUN(
[#include <time.h>
#include <string.h>
int main(void)
{
time_t t = 0;
char buf[32];
strftime(buf, sizeof(buf), "%z", gmtime(&t));
return !!strcmp(buf, "+0000");
}
], [ob_cv_strftime_z=yes], [ob_cv_strftime_z=no], [ob_cv_strftime_z="yes (assumed)"])])
if test "x$ob_cv_strftime_z" = x"no"; then
AC_MSG_ERROR([libc lacks necessary feature])
fi
AC_CHECK_HEADERS(sys/poll.h sys/select.h)
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AC_CHECK_FUNCS(vasprintf memrchr)
AC_CHECK_LIB(socket, socket, [SOCK_LIBS="-lsocket"])
AC_CHECK_LIB(nsl, inet_ntoa, [SOCK_LIBS="$SOCK_LIBS -lnsl"])
AC_SUBST(SOCK_LIBS)
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have_ssl_paths=
AC_ARG_WITH(ssl,
AC_HELP_STRING([--with-ssl[=PATH]], [where to look for SSL [detect]]),
[ob_cv_with_ssl=$withval])
if test "x$ob_cv_with_ssl" != xno; then
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case $ob_cv_with_ssl in
""|yes)
dnl Detect the pkg-config tool, as it may have extra info about the openssl
dnl installation we can use. I *believe* this is what we are expected to do
dnl on really recent Redhat Linux hosts.
AC_PATH_PROG(PKGCONFIG, pkg-config, no, $PATH:/usr/bin:/usr/local/bin)
if test "$PKGCONFIG" != "no" ; then
AC_MSG_CHECKING([OpenSSL presence with pkg-config])
if $PKGCONFIG --exists openssl; then
SSL_LIBS=`$PKGCONFIG --libs-only-l openssl`
SSL_LDFLAGS=`$PKGCONFIG --libs-only-L openssl`
SSL_CPPFLAGS=`$PKGCONFIG --cflags-only-I openssl`
have_ssl_paths=yes
AC_MSG_RESULT([found])
else
AC_MSG_RESULT([not found])
fi
fi
;;
*)
SSL_LDFLAGS=-L$ob_cv_with_ssl/lib$libsuff
SSL_CPPFLAGS=-I$ob_cv_with_ssl/include
;;
esac
if test -z "$have_ssl_paths"; then
sav_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS $SSL_LDFLAGS"
AC_CHECK_LIB(dl, dlopen, [LIBDL=-ldl])
AC_CHECK_LIB(crypto, CRYPTO_lock, [LIBCRYPTO=-lcrypto])
AC_CHECK_LIB(ssl, SSL_connect,
[SSL_LIBS="-lssl $LIBCRYPTO $LIBDL" have_ssl_paths=yes])
LDFLAGS=$sav_LDFLAGS
fi
sav_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$CPPFLAGS $SSL_CPPFLAGS"
AC_CHECK_HEADER(openssl/ssl.h, , [have_ssl_paths=])
CPPFLAGS=$sav_CPPFLAGS
if test -z "$have_ssl_paths"; then
if test -n "$ob_cv_with_ssl"; then
AC_MSG_ERROR([OpenSSL libs and/or includes were not found where specified])
fi
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else
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AC_DEFINE(HAVE_LIBSSL, 1, [if you have the OpenSSL libraries])
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CPPFLAGS="$CPPFLAGS $SSL_CPPFLAGS"
LDFLAGS="$LDFLAGS $SSL_LDFLAGS"
fi
fi
AC_SUBST(SSL_LIBS)
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AC_CACHE_CHECK([for Berkley DB >= 4.2], ac_cv_berkdb4,
[ac_cv_berkdb4=no
AC_TRY_LINK([#include <db.h>],
[DB *db;
db->truncate(db, 0, 0, 0);
db->open(db, 0, "foo", "foo", DB_HASH, DB_CREATE, 0)],
[ac_cv_berkdb4=yes])])
if test "x$ac_cv_berkdb4" = xno; then
AC_MSG_ERROR([Berkley DB >= 4.2 not found.])
fi
AC_ARG_ENABLE(compat,
AC_HELP_STRING([--disable-compat], [don't include isync compatibility wrapper [no]]),
[ob_cv_enable_compat=$enableval])
if test "x$ob_cv_enable_compat" != xno; then
AC_CHECK_FUNCS(getopt_long)
fi
AM_CONDITIONAL(with_compat, test "x$ob_cv_enable_compat" != xno)
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AC_CONFIG_FILES([Makefile src/Makefile src/compat/Makefile isync.spec])
AC_OUTPUT
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if test -n "$have_ssl_paths"; then
AC_MSG_RESULT([
Using SSL
])
else
AC_MSG_RESULT([
Not using SSL
])
fi