increase garbage collection rate if the process is growing

[bpt/guile.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 0211996..d63dd63 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -35,7 +35,8 @@ AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR(GUILE-VERSION)
 
-AM_INIT_AUTOMAKE([gnu no-define -Wall -Wno-override])
+dnl `AM_SUBST_NOTMAKE' was introduced in Automake 1.11.
+AM_INIT_AUTOMAKE([1.11 gnu no-define -Wall -Wno-override dist-xz])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])], [AC_SUBST([AM_DEFAULT_VERBOSITY],1)])
 
 AC_COPYRIGHT(GUILE_CONFIGURE_COPYRIGHT)
@@ -68,7 +69,9 @@ dnl Gnulib.
 gl_INIT
 dnl FIXME: remove me and the acinclude.m4 code when clock-gettime is
 dnl fixed for clock_getcpuclockid and can be imported normally from
-dnl gnulib.
+dnl gnulib.  See
+dnl <http://lists.gnu.org/archive/html/bug-gnulib/2011-06/msg00227.html>
+dnl for details.
 gl_CLOCK_TIME
 
 AC_PROG_CC_C89
@@ -232,6 +235,8 @@ dnl files which are destined for separate modules.
 
 if test "$use_modules" != no; then
    AC_LIBOBJ([dynl])
+   AC_DEFINE([HAVE_MODULES], 1,
+     [Define this if you want support for dynamically loaded modules in Guile.])
 fi
 
 if test "$enable_posix" = yes; then
@@ -1209,7 +1214,7 @@ GUILE_UNISTRING_ICONVEH_VALUES
 #
 # Which way does the stack grow?
 #
-# Following code comes from Autoconf 2.61's internal _AC_LIBOBJ_ALLOCA
+# Following code comes from Autoconf 2.69's internal _AC_LIBOBJ_ALLOCA
 # macro (/usr/share/autoconf/autoconf/functions.m4).  Gnulib has
 # very similar code, so in future we could look at using that.
 #
@@ -1224,23 +1229,20 @@ SCM_I_GSC_STACK_GROWS_UP=0
 AC_RUN_IFELSE([AC_LANG_SOURCE(
 [AC_INCLUDES_DEFAULT
 int
-find_stack_direction ()
+find_stack_direction (int *addr, int depth)
 {
-  static char *addr = 0;
-  auto char dummy;
-  if (addr == 0)
-    {
-      addr = &dummy;
-      return find_stack_direction ();
-    }
-  else
-    return (&dummy > addr) ? 1 : -1;
+  int dir, dummy = 0;
+  if (! addr)
+    addr = &dummy;
+  *addr = addr < &dummy ? 1 : addr == &dummy ? 0 : -1;
+  dir = depth ? find_stack_direction (addr, depth - 1) : 0;
+  return dir + dummy;
 }
 
 int
-main ()
+main (int argc, char **argv)
 {
-  return find_stack_direction () < 0;
+  return find_stack_direction (0, argc + !argv + 20) < 0;
 }])],
               [SCM_I_GSC_STACK_GROWS_UP=1],
               [],
@@ -1257,7 +1259,7 @@ 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])
+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_heap_usage_safe GC_get_free_space_divisor])
 
 # 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
@@ -1509,20 +1511,7 @@ AC_SUBST(CCLD_FOR_BUILD)
 HOST_CC="$CC_FOR_BUILD"
 AC_SUBST(HOST_CC)
 
-if test "$cross_compiling" = "yes"; then
-  AC_MSG_CHECKING(guile for build)
-  GUILE_FOR_BUILD="${GUILE_FOR_BUILD-guile}"
-else
-  GUILE_FOR_BUILD='this-value-will-never-be-used'
-fi   
-
-## AC_MSG_CHECKING("if we are cross compiling")
-## AC_MSG_RESULT($cross_compiling)
-if test "$cross_compiling" = "yes"; then
-   AC_MSG_RESULT($GUILE_FOR_BUILD)
-fi
-AC_ARG_VAR(GUILE_FOR_BUILD,[guile for build system])
-AM_SUBST_NOTMAKE(GUILE_FOR_BUILD)
+GUILE_CHECK_GUILE_FOR_BUILD
                        
 ## If we're using GCC, ask for aggressive warnings.
 GCC_CFLAGS=""
@@ -1634,6 +1623,10 @@ pkgdatadir="$datadir/$PACKAGE_TARNAME"
 sitedir="$pkgdatadir/site/$GUILE_EFFECTIVE_VERSION"
 AC_SUBST([sitedir])
 
+dnl Name of the `guile' program.
+guile_program_name="`echo guile | "$SED" "$program_transform_name"`"
+AC_SUBST([guile_program_name])
+
 # Additional SCM_I_GSC definitions are above.
 AC_SUBST([SCM_I_GSC_GUILE_DEBUG])
 AC_SUBST([SCM_I_GSC_ENABLE_DEPRECATED])