Fix lock handling bug in commit aac980de43a0466b968a56607664f5ebbca6b751.

[bpt/guile.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 3a5fd0e..60d0164 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1232,7 +1232,7 @@ save_LIBS="$LIBS"
 LIBS="$BDW_GC_LIBS $LIBS"
 CFLAGS="$BDW_GC_CFLAGS $CFLAGS"
 
-AC_CHECK_FUNCS([GC_do_blocking GC_call_with_gc_active GC_pthread_exit GC_pthread_cancel GC_allow_register_threads GC_pthread_sigmask GC_set_start_callback GC_get_suspend_signal GC_move_disappearing_link GC_get_heap_usage_safe GC_get_free_space_divisor GC_gcollect_and_unmap GC_get_unmapped_bytes])
+AC_CHECK_FUNCS([GC_do_blocking GC_call_with_gc_active GC_pthread_exit GC_pthread_cancel GC_allow_register_threads GC_pthread_sigmask GC_set_start_callback GC_get_suspend_signal GC_move_disappearing_link GC_get_heap_usage_safe GC_get_free_space_divisor GC_gcollect_and_unmap GC_get_unmapped_bytes GC_set_finalizer_notifier GC_set_finalize_on_demand])
 
 # Though the `GC_do_blocking ()' symbol is present in GC 7.1, it is not
 # declared, and has a different type (returning void instead of
@@ -1495,8 +1495,6 @@ case "$GCC" in
     ## We had -Wstrict-prototypes in here for a bit, but Guile does too
     ## much stuff with generic function pointers for that to really be
     ## less than exasperating.
-    ## -Wpointer-arith was here too, but something changed in gcc/glibc
-    ## and it became equally exasperating (gcc 2.95 and/or glibc 2.1.2).
     ## -Wundef was removed because Gnulib prevented it (see
     ## <http://thread.gmane.org/gmane.lisp.guile.bugs/5329>.)
 
@@ -1505,7 +1503,7 @@ case "$GCC" in
     ## <http://lists.gnu.org/archive/html/guile-devel/2012-01/msg00487.html>.
 
     POTENTIAL_GCC_CFLAGS="-Wall -Wmissing-prototypes \
-      -Wdeclaration-after-statement \
+      -Wdeclaration-after-statement -Wpointer-arith \
       -Wswitch-enum -fno-strict-aliasing"
     # Do this here so we don't screw up any of the tests above that might
     # not be "warning free"