2015-03-31 20:53:39 +08:00
|
|
|
dnl A function to check if the system's zlib library should be used. The
|
|
|
|
|
dnl builtin zlib dnl is used by default unless the user configured with
|
|
|
|
|
dnl --with-system-zlib.
|
2009-11-25 06:35:29 +08:00
|
|
|
|
|
|
|
|
AC_DEFUN([AM_ZLIB],
|
|
|
|
|
[
|
2015-03-31 20:53:39 +08:00
|
|
|
# Use the system's zlib library.
|
2015-04-02 20:37:09 +08:00
|
|
|
zlibdir="-L\$(top_builddir)/../zlib"
|
|
|
|
|
zlibinc="-I\$(top_srcdir)/../zlib"
|
2015-03-31 20:53:39 +08:00
|
|
|
AC_ARG_WITH(system-zlib,
|
|
|
|
|
[AS_HELP_STRING([--with-system-zlib], [use installed libz])],
|
2015-04-01 19:51:55 +08:00
|
|
|
if test x$with_system_zlib = xyes ; then
|
|
|
|
|
zlibdir=
|
|
|
|
|
zlibinc=
|
|
|
|
|
fi
|
2015-03-31 20:53:39 +08:00
|
|
|
)
|
|
|
|
|
AC_SUBST(zlibdir)
|
|
|
|
|
AC_SUBST(zlibinc)
|
2009-11-25 06:35:29 +08:00
|
|
|
])
|
