dnl Process this file with autoconf to produce a configure script.
+dnl
+dnl Copyright 2012 Free Software Foundation
+dnl
+dnl This file is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3 of the License, or
+dnl (at your option) any later version.
+dnl
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; see the file COPYING3. If not see
+dnl <http://www.gnu.org/licenses/>.
+dnl
AC_PREREQ(2.59)
AH_VERBATIM([00_CONFIG_H_CHECK],
[/* Check that config.h is #included before system headers
(this works only for glibc, but that should be enough). */
-#if defined(__GLIBC__) && !defined(__CONFIG_H__)
+#if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
# error config.h must be #included before system headers
#endif
#define __CONFIG_H__ 1])
fi
# Link in zlib if we can. This allows us to write compressed sections.
-AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)])
-AM_CONDITIONAL(HAVE_ZLIB, test "$ac_cv_search_zlibVersion" != "no")
+AM_ZLIB
+AM_CONDITIONAL(HAVE_ZLIB, test "$ac_cv_header_zlib_h" = "yes")
dnl We have to check these in C, not C++, because autoconf generates
dnl tests which have no type information, and current glibc provides