[Guile-commits] branch master updated: Add GUILE_INSTALL_GMP_MEMORY_FUNCTIONS to NEWS; use at build-time

[Andy Wingo]

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wingo pushed a commit to branch master
in repository guile.

The following commit(s) were added to refs/heads/master by this push:
     new 75babf8  Add GUILE_INSTALL_GMP_MEMORY_FUNCTIONS to NEWS; use at 
build-time
75babf8 is described below

commit 75babf8df92b664e6118c839bad6f63e254a212b
Author: Andy Wingo <wingo@pobox.com>
AuthorDate: Tue Apr 27 21:23:08 2021 +0200

    Add GUILE_INSTALL_GMP_MEMORY_FUNCTIONS to NEWS; use at build-time
    
    * NEWS (GUILE_INSTALL_GMP_MEMORY_FUNCTIONS): Update
    * libguile/numbers.c: Add needed include.
    * meta/build-env.in (GUILE_INSTALL_GMP_MEMORY_FUNCTIONS): Set when
    building Guile.
---
 NEWS               | 6 +++++-
 libguile/numbers.c | 1 +
 meta/build-env.in  | 5 ++++-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/NEWS b/NEWS
index 397ff6c..4775923 100644
--- a/NEWS
+++ b/NEWS
@@ -67,7 +67,11 @@ GMP, and so does Guile.  Since Guile 2.0.4, Guile has 
installed libgc as
 the GMP allocator, so since then, Guile-GnuTLS has been buggy.
 
 Therefore, the default is now to not install libgc as the GMP allocator.
-This may slow down some uses of bignums.
+This may slow down some uses of bignums.  If you know that your Guile
+program will never use a library that uses GMP, you can set the
+GUILE_INSTALL_GMP_MEMORY_FUNCTIONS=1 in your environment.  Guile sets
+this environment variable when building Guile, for example.  See
+"Environment Variables" in the manual, for more.
 
 In some future, Guile may switch to GMP's more low-level "MPN" API for
 working with bignums, which would allow us to regain the ability to use
diff --git a/libguile/numbers.c b/libguile/numbers.c
index a4c8308..18bd22d 100644
--- a/libguile/numbers.c
+++ b/libguile/numbers.c
@@ -68,6 +68,7 @@
 #include "modules.h"
 #include "pairs.h"
 #include "ports.h"
+#include "simpos.h"
 #include "smob.h"
 #include "strings.h"
 #include "values.h"
diff --git a/meta/build-env.in b/meta/build-env.in
index 27e6043..299b44f 100644
--- a/meta/build-env.in
+++ b/meta/build-env.in
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-#      Copyright (C) 2003, 2006, 2008-2012, 2016, 2017 Free Software Foundation
+#      Copyright (C) 2003, 2006, 2008-2012, 2016, 2017, 2021 Free Software 
Foundation
 #
 #   This file is part of GNU Guile.
 #
@@ -90,6 +90,9 @@ done
 export LTDL_LIBRARY_PATH
 export DYLD_LIBRARY_PATH
 
+GUILE_INSTALL_GMP_MEMORY_FUNCTIONS=1
+export GUILE_INSTALL_GMP_MEMORY_FUNCTIONS
+
 if [ x"$PKG_CONFIG_PATH" = x ]
 then
     PKG_CONFIG_PATH="${top_builddir}/meta"