diff options
Diffstat (limited to 'config/zlib.m4')
| -rw-r--r-- | config/zlib.m4 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/config/zlib.m4 b/config/zlib.m4 new file mode 100644 index 0000000..b017499 --- /dev/null +++ b/config/zlib.m4 @@ -0,0 +1,18 @@ +dnl A function to check for zlib availability. zlib is used by default +dnl unless the user configured with --disable-nls. + +AC_DEFUN([AM_ZLIB], +[ + # See if the user specified whether he wants zlib support or not. + AC_ARG_WITH(zlib, + [ --with-zlib include zlib support (auto/yes/no) [default=auto]], + [], [with_zlib=auto]) + + if test "$with_zlib" != "no"; then + AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)]) + if test "$with_zlib" = "yes" -a "$ac_cv_header_zlib_h" != "yes"; then + AC_MSG_ERROR([zlib (libz) library was explicitly requested but not found]) + fi + fi +]) + |