Use quote characters around arguments.
AC_CHECK_HEADERS(zlib.h)
AS_IF([test "x$ac_cv_header_zlib_h" = "xyes"],
[
AC_CHECK_HEADERS(zlib.h)
AS_IF([test "x$ac_cv_header_zlib_h" = "xyes"],
[
- AC_CHECK_LIB(z, gzopen,LIBS="-lz ${LIBS}"; HAVE_ZLIB_LIB="yes", HAVE_ZLIB_LIB="")
+ AC_CHECK_LIB([z],[gzopen],
+ [
+ LIBS="-lz ${LIBS}"
+ HAVE_ZLIB_LIB="yes"
+ ],[
+ HAVE_ZLIB_LIB=""
+ ])
AS_IF([test "x$HAVE_ZLIB_LIB" != "xyes"],[AC_MSG_ERROR([zlib was not found])])
],[
zlib_status="not found"
AS_IF([test "x$HAVE_ZLIB_LIB" != "xyes"],[AC_MSG_ERROR([zlib was not found])])
],[
zlib_status="not found"