[RFA/doco 1/4] gdb/NEWS: Document that building GDB now requires GMP

[Joel Brobecker]

gdb/ChangeLog:

        * NEWS: Document that building GDB now requires GMP.
---
 gdb/NEWS | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gdb/NEWS b/gdb/NEWS
index d1f721c3953..792f4860975 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -3,6 +3,9 @@
 
 *** Changes since GDB 10
 
+* Building GDB now requires GMP (The GNU Multiple Precision Arithmetic
+  Library).
+
 * MI changes
 
  ** '-break-insert --qualified' and '-dprintf-insert --qualified'
-- 
2.25.1