This patch removes a harmless but annoying warning. thi
___________________________________________________________________________ >From 39fd870610ff2cc1177e0cd0aba845806f0213c6 Mon Sep 17 00:00:00 2001 From: Thien-Thi Nguyen <t...@gnuvola.org> Date: Sat, 9 Jan 2010 14:17:20 +0100 Subject: [PATCH] Declare `GC_dump' ourselves if <gc/gc.h> doesn't. * configure.ac: Check for `GC_dump' declaration. Define `HAVE_DECL_GC_DUMP' if <gc/gc.h> provides it. * libguile/gc.c [!HAVE_DECL_GC_DUMP] (GC_dump): Declare it. Signed-off-by: Thien-Thi Nguyen <t...@gnuvola.org> --- configure.ac | 8 ++++++++ libguile/gc.c | 4 ++++ 2 files changed, 12 insertions(+), 0 deletions(-) diff --git a/configure.ac b/configure.ac index 5143dcc..78c6418 100644 --- a/configure.ac +++ b/configure.ac @@ -1227,6 +1227,14 @@ PKG_CHECK_MODULES([BDW_GC], [bdw-gc]) CFLAGS="$BDW_GC_CFLAGS $CFLAGS" LIBS="$BDW_GC_LIBS $LIBS" +# `GC_dump' is available in GC 6.8 but not declared. +AC_CHECK_FUNCS([GC_dump]) +AC_CHECK_DECL([GC_dump], + [AC_DEFINE([HAVE_DECL_GC_DUMP], [1], + [Define this if the `GC_dump' function is declared])], + [], + [#include <gc/gc.h>]) + # `GC_do_blocking ()' is available in GC 7.1 but not declared. AC_CHECK_FUNCS([GC_do_blocking]) AC_CHECK_DECL([GC_do_blocking], diff --git a/libguile/gc.c b/libguile/gc.c index 700f3a4..295b663 100644 --- a/libguile/gc.c +++ b/libguile/gc.c @@ -69,6 +69,10 @@ extern unsigned long * __libc_ia64_register_backing_store_base; #include <unistd.h> #endif +#ifndef HAVE_DECL_GC_DUMP +extern void GC_dump (void); +#endif + /* Lock this mutex before doing lazy sweeping. */ scm_i_pthread_mutex_t scm_i_sweep_mutex = SCM_I_PTHREAD_MUTEX_INITIALIZER; -- 1.6.3.2