Merge branch 'master' into boehm-demers-weiser-gc

[bpt/guile.git] / configure.in

diff --git a/configure.in b/configure.in
index e67e1d8..817a1e5 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1177,6 +1177,18 @@ main ()
               [],
               [AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h)])
 
+#--------------------------------------------------------------------
+#
+# Boehm's GC library
+#
+#--------------------------------------------------------------------
+AC_CHECK_LIB([gc], [GC_collect_a_little],
+  [LIBS="-lgc $LIBS"],
+  [AC_MSG_ERROR([`libgc' (Boehm's GC library) not found.])])
+AC_CHECK_HEADER([gc/gc.h], [],
+  [AC_MSG_ERROR([`libgc' (Boehm's GC library) header files not found.])])
+
+
 AC_CHECK_SIZEOF(float)
 if test "$ac_cv_sizeof_float" -le "$ac_cv_sizeof_long"; then
     AC_DEFINE(SCM_SINGLES, 1,