multimeter plugin: Check the return value of `write'.

[collectd.git] / configure.in

diff --git a/configure.in b/configure.in
index 88b13da..6fd080a 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1338,12 +1338,24 @@ then
 
        if test $mysql_config_status -ne 0
        then
-               with_libmysql="no"
+               with_libmysql="no ($with_mysql_config failed)"
        else
                SAVE_CPPFLAGS="$CPPFLAGS"
                CPPFLAGS="$CPPFLAGS $with_mysql_cflags"
 
-               AC_CHECK_HEADERS(mysql/mysql.h, [], [with_libmysql="no (mysql/mysql.h not found)"], [])
+               have_mysql_h="no"
+               have_mysql_mysql_h="no"
+               AC_CHECK_HEADERS(mysql.h, [have_mysql_h="yes"])
+
+               if test "x$have_mysql_h" = "xno"
+               then
+                       AC_CHECK_HEADERS(mysql/mysql.h, [have_mysql_mysql_h="yes"])
+               fi
+
+               if test "x$have_mysql_h$have_mysql_mysql_h" = "xnono"
+               then
+                       with_libmysql="no (mysql.h not found)"
+               fi
 
                CPPFLAGS="$SAVE_CPPFLAGS"
        fi
@@ -1355,7 +1367,7 @@ then
 
        if test $mysql_config_status -ne 0
        then
-               with_libmysql="no"
+               with_libmysql="no ($with_mysql_config failed)"
        else
                AC_CHECK_LIB(mysqlclient, mysql_init,
                 [with_libmysql="yes"],
@@ -2276,12 +2288,15 @@ AC_DEFUN(
             enable_plugin="no"
      fi
     ])
-    if test "x$enable_plugin" = "xyes" && test "x$2" = "xyes"
+    if test "x$enable_plugin" = "xyes"
     then
-           AC_DEFINE([HAVE_PLUGIN_]my_toupper([$1]), 1, [Define to 1 if the $1 plugin is enabled.])
-    else
-           dependency_error="yes"
-           test "x$enable_plugin" = "xyes" && enable_plugin="failed (missing dependency)"
+           if test "x$2" = "xyes"
+           then
+                   AC_DEFINE([HAVE_PLUGIN_]my_toupper([$1]), 1, [Define to 1 if the $1 plugin is enabled.])
+           else # User passed "yes" but dependency checking yielded "no" => Dependency problem.
+                   dependency_error="yes"
+                   enable_plugin="no (dependency error)"
+           fi
     fi
     AM_CONDITIONAL([BUILD_PLUGIN_]my_toupper([$1]), test "x$enable_plugin" = "xyes")
     enable_$1="$enable_plugin"