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AC_DEFUN([MATIO_CHECK_ZLIB],
[
AC_ARG_WITH(zlib,AS_HELP_STRING([--with-zlib=DIR],
[Prefix where zlib Library is installed]))
if test "x$with_zlib" != "xno"
then
saved_LIBS="$LIBS"
saved_CFLAGS="$CFLAGS"
AC_MSG_CHECKING([for zlib Library])
if test "x$with_zlib" = "x" -o "x$with_zlib" = "xyes"
then
# Try system zlib
ZLIB_LDOPTS="-lz"
ZLIB_CFLAGS=""
else
ZLIB_LDOPTS="-L$with_zlib/$acl_libdirstem -lz"
ZLIB_CFLAGS="-I$with_zlib/include"
fi
LIBS="$saved_LIBS $ZLIB_LDOPTS"
CFLAGS="$saved_CFLAGS $ZLIB_CFLAGS"
Z_PREFIX=0
AC_TRY_LINK( [
#include <stdlib.h>
#include <zlib.h>
],
[inflateCopy(NULL,NULL);], ac_have_zlib=yes, ac_have_zlib=no)
if test "$ac_have_zlib" = "no"
then
# Try again with Z_PREFIX
AC_TRY_LINK( [
#include <stdlib.h>
#define Z_PREFIX
#include <zlib.h>
],[inflateCopy(NULL,NULL);],ac_have_zlib=yes,ac_have_zlib=no)
Z_PREFIX=1
fi
LIBS="$saved_LIBS"
CFLAGS="$saved_CFLAGS"
if test "$ac_have_zlib" = "yes"
then
ZLIB_LIBS="$ZLIB_LDOPTS"
AC_DEFINE_UNQUOTED([HAVE_ZLIB],[1],[Have zlib])
AC_SUBST(ZLIB_LIBS)
AC_SUBST(ZLIB_CFLAGS)
if test "$Z_PREFIX" = "1"
then
AC_DEFINE_UNQUOTED([Z_PREFIX],[1],[Z prefix])
fi
AC_MSG_RESULT([$ZLIB_LIBS])
else
AC_MSG_NOTICE($ac_have_zlib)
fi
else
ac_have_zlib=no
fi
AM_CONDITIONAL(HAVE_ZLIB, test "$ac_have_zlib" = "yes" )
])
|
