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-rw-r--r--gdb/selftest.m43
1 files changed, 2 insertions, 1 deletions
diff --git a/gdb/selftest.m4 b/gdb/selftest.m4
index a88aa96..3624f25 100644
--- a/gdb/selftest.m4
+++ b/gdb/selftest.m4
@@ -26,7 +26,8 @@ AC_DEFUN([GDB_AC_SELFTEST],[
#
# The default value of this option changes depending whether we're on
# development mode (in which case it's "true") or not (in which case
-# it's "false").
+# it's "false"). The $development variable is set by the GDB_AC_COMMON
+# macro, which must therefore be used before GDB_AC_SELFTEST.
AS_IF([test "x$development" != xtrue && test "x$development" != xfalse],
[AC_MSG_ERROR([Invalid value for \$development, got "$development", expecting "true" or "false".])])