+dnl ------ libgcrypt
+AC_SUBST([GCRYPT_LIBS])
+libgcryptpath=NONE
+AC_ARG_WITH(libgcrypt, [ --with-libgcrypt=DIR use libgcrypt-config in DIR],[libgcryptpath=$withval])
+if test "$libgcryptpath" != "no"; then
+ if test "$libgcryptpath" = "NONE"; then
+ AC_PATH_PROG([libgcrypt],[libgcrypt-config],[NONE])
+ elif test -x $libgcryptpath/libgcrypt-config; then
+ libgcrypt=$libgcryptpath/libgcrypt-config
+ else
+ libgcrypt=$libgcryptpath
+ fi
+ AC_MSG_CHECKING([for libgcrypt])
+ if "$libgcrypt" --version >/dev/null 2>&1; then
+ libgcryptversion=`$libgcrypt --version`
+ libgcryptversion2=`echo "$libgcryptversion" | awk 'BEGIN { FS = "."; } { printf "%d", [$]1 * 1000 + [$]2;}'`
+ AC_MSG_RESULT([$libgcryptversion])
+ if test $libgcryptversion2 -ge 1002; then
+ GCRYPT_LIBS="`$libgcrypt --libs`"
+ CFLAGS="$CFLAGS `$libgcrypt --cflags`"
+ AC_DEFINE([HAVE_GCRYPT_H],[1],[Define to 1 if libgcrypt is present])
+ else
+ if test "$libgcryptpath" = "NONE"; then
+ AC_MSG_WARN([Only libgcrypt version 1.2 and later supported])
+ else
+ AC_MSG_ERROR([Only libgcrypt version 1.2 and later supported])
+ fi
+ libgcryptversion=""
+ fi
+ else
+ AC_MSG_RESULT([no])
+ fi
+fi
+dnl ------ redis
+hiredis=default
+AC_SUBST([HIREDIS_LIBS])
+AC_ARG_WITH([redis], [ --with-redis hiredis library], [hiredis=$withval])
+if test "$hiredis" != "no" -a "$pkgconfigpath" != "NONE" -a "$libgcryptversion"; then
+ AC_CHECK_LIB([hiredis],[redisCommandArgv],[HIREDIS_LIBS=-lhiredis])
+ AC_MSG_CHECKING([for redis])
+ if $pkgconfigpath --cflags hiredis >/dev/null 2>&1 ; then
+ if $pkgconfigpath --atleast-version 0.10 hiredis; then
+ AC_MSG_RESULT([yes])
+ CFLAGS="$CFLAGS `$pkgconfigpath --cflags hiredis`"
+ HIREDIS_LIBS="`$pkgconfigpath --libs hiredis`"
+ AC_DEFINE([HAVE_HIREDIS],[1],[Define to 1 if hiredis is enabled])
+ else
+ AC_MSG_RESULT([no. Version 0.10 required])
+ if test "$hiredis" != "default"; then
+ AC_MSG_ERROR([hiredis libraries missing])
+ fi
+ fi
+ else
+ if test "$ac_cv_lib_hiredis_redisCommandArgv" = "yes"; then
+ AC_DEFINE([HAVE_HIREDIS],[1])
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ if test "$hiredis" != "default"; then
+ AC_MSG_ERROR([hiredis libraries missing])
+ fi
+ fi
+ fi
+fi
+dnl ------ memcached
+memcached=default
+AC_SUBST([MEMCACHED_LIBS])
+AC_ARG_WITH([memcached], [ --with-memcached Memcached library], [memcached=$withval])
+if test "$memcached" != "no" -a -n "$libgcryptversion" -a "$pkgconfigpath" != "NONE"; then
+ AC_MSG_CHECKING([for libmemcached])
+ if $pkgconfigpath --cflags libmemcached >/dev/null 2>&1 ; then
+ if $pkgconfigpath --atleast-version 0.40 libmemcached; then
+ AC_MSG_RESULT([yes])
+ CFLAGS="$CFLAGS `$pkgconfigpath --cflags libmemcached`"
+ MEMCACHED_LIBS="`$pkgconfigpath --libs libmemcached`"
+ AC_DEFINE([HAVE_LIBMEMCACHED],[1],[Define to 1 if memcached is enabled])
+ else
+ AC_MSG_RESULT([no. Version 0.40 required])
+ if test "$memcached" != "default"; then
+ AC_MSG_ERROR([libmemcached libraries missing])
+ fi
+ fi
+ else
+ AC_MSG_RESULT([no])
+ if test "$memcached" != "default"; then
+ AC_MSG_ERROR([libmemcached libraries missing])
+ fi
+ fi
+fi