| 1240 |
|
fi dnl |
| 1241 |
|
|
| 1242 |
|
])dnl EOMACRO DEF |
| 1243 |
+ |
|
| 1244 |
+ |
AC_DEFUN([ACX_CHECK_ZLIB], |
| 1245 |
+ |
# |
| 1246 |
+ |
# Handle user hints |
| 1247 |
+ |
# |
| 1248 |
+ |
[AC_MSG_CHECKING(if zlib is wanted) |
| 1249 |
+ |
AC_ARG_WITH(zlib, |
| 1250 |
+ |
[ --with-zlib=DIR root directory path of zlib installation [defaults to |
| 1251 |
+ |
/usr/local or /usr if not found in /usr/local] |
| 1252 |
+ |
--without-zlib to disable zlib usage completely], |
| 1253 |
+ |
[if test "$withval" != no ; then |
| 1254 |
+ |
AC_MSG_RESULT(yes) |
| 1255 |
+ |
if test -d "$withval" |
| 1256 |
+ |
then |
| 1257 |
+ |
ZLIB_HOME="$withval" |
| 1258 |
+ |
else |
| 1259 |
+ |
AC_MSG_WARN([Sorry, $withval does not exist, checking usual places]) |
| 1260 |
+ |
fi |
| 1261 |
+ |
else |
| 1262 |
+ |
AC_MSG_RESULT(no) |
| 1263 |
+ |
fi]) |
| 1264 |
+ |
|
| 1265 |
+ |
ZLIB_HOME=/usr/local |
| 1266 |
+ |
if test ! -f "${ZLIB_HOME}/include/zlib.h" |
| 1267 |
+ |
then |
| 1268 |
+ |
ZLIB_HOME=/usr |
| 1269 |
+ |
fi |
| 1270 |
+ |
|
| 1271 |
+ |
# |
| 1272 |
+ |
# Locate zlib, if wanted |
| 1273 |
+ |
# |
| 1274 |
+ |
if test -n "${ZLIB_HOME}" |
| 1275 |
+ |
then |
| 1276 |
+ |
ZLIB_OLD_LDFLAGS=$LDFLAGS |
| 1277 |
+ |
ZLIB_OLD_CPPFLAGS=$LDFLAGS |
| 1278 |
+ |
LDFLAGS="$LDFLAGS -L${ZLIB_HOME}/lib" |
| 1279 |
+ |
CPPFLAGS="$CPPFLAGS -I${ZLIB_HOME}/include" |
| 1280 |
+ |
AC_LANG_SAVE |
| 1281 |
+ |
AC_LANG_C |
| 1282 |
+ |
AC_CHECK_LIB(z, inflateEnd, [zlib_cv_libz=yes], [zlib_cv_libz=no]) |
| 1283 |
+ |
AC_CHECK_HEADER(zlib.h, [zlib_cv_zlib_h=yes], [zlib_cv_zlib_h=no]) |
| 1284 |
+ |
AC_LANG_RESTORE |
| 1285 |
+ |
if test "$zlib_cv_libz" = "yes" -a "$zlib_cv_zlib_h" = "yes" |
| 1286 |
+ |
then |
| 1287 |
+ |
# |
| 1288 |
+ |
# If both library and header were found, use them |
| 1289 |
+ |
# |
| 1290 |
+ |
AC_CHECK_LIB(z, inflateEnd) |
| 1291 |
+ |
AC_MSG_CHECKING(zlib in ${ZLIB_HOME}) |
| 1292 |
+ |
AC_MSG_RESULT(ok) |
| 1293 |
+ |
else |
| 1294 |
+ |
# |
| 1295 |
+ |
# If either header or library was not found, revert and bomb |
| 1296 |
+ |
# |
| 1297 |
+ |
AC_MSG_CHECKING(zlib in ${ZLIB_HOME}) |
| 1298 |
+ |
LDFLAGS="$ZLIB_OLD_LDFLAGS" |
| 1299 |
+ |
CPPFLAGS="$ZLIB_OLD_CPPFLAGS" |
| 1300 |
+ |
AC_MSG_RESULT(failed) |
| 1301 |
+ |
AC_MSG_ERROR(either specify a valid zlib installation with --with-zlib=DIR or disable zlib usage with --without-zlib) |
| 1302 |
+ |
fi |
| 1303 |
+ |
fi |
| 1304 |
+ |
|
| 1305 |
+ |
]) |
