gdb.texinfo: Document GMP as mandatory requirement to build GDB

gdb/doc/ChangeLog

        * gdb.texinfo (Requirements): Add GMP to list of requirements.

diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index ee67703ecbc0b2bb1a91fa90cf9c2372e73a980e..d56cec23ff9d03c9941d6a55da8a12645333cd52 100644 (file)
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,7 @@
+2020-12-21  Joel Brobecker  <brobecker@adacore.com>
+
+       * gdb.texinfo (Requirements): Add GMP to list of requirements.
+
 2020-12-18  Hannes Domani  <ssbssa@yahoo.de>
 
        * python.texi (TUI Windows In Python): Remove erroneous 'a'.

diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 2693306d3d40198885ee5e759d862f06ed8ec706..617a3641382ea60a759c72e83e67f49047fcdcac 100644 (file)
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -37832,6 +37832,15 @@ recent C@t{++}11 compiler, e.g.@: GCC.
 @item GNU make
 @value{GDBN}'s build system relies on features only found in the GNU
 make program.  Other variants of @code{make} will not work.
+
+@item GMP (The GNU Multiple Precision Arithmetic Library)
+@value{GDBN} now uses GMP to perform some of its arithmetics.
+This library may be included with your operating system distribution;
+if it is not, you can get the latest version from
+@url{https://gmplib.org/}. If GMP is installed at an unusual path,
+you can use the @option{--with-libgmp-prefix} option to specify
+its location.
+
 @end table
 
 @heading Tools/Packages Optional for Building @value{GDBN}