Bugzilla bug 212797: added Linux2.6.mk so that we can build on Linux 2.6

kernels.

security/coreconf/Linux2.6.mk

@@ -0,0 +1,49 @@
+#
+# The contents of this file are subject to the Mozilla Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/MPL/
+# 
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+# 
+# The Original Code is the Netscape security libraries.
+# 
+# The Initial Developer of the Original Code is Netscape
+# Communications Corporation.  Portions created by Netscape are 
+# Copyright (C) 1994-2000 Netscape Communications Corporation.  All
+# Rights Reserved.
+# 
+# Contributor(s):
+# 
+# Alternatively, the contents of this file may be used under the
+# terms of the GNU General Public License Version 2 or later (the
+# "GPL"), in which case the provisions of the GPL are applicable 
+# instead of those above.  If you wish to allow use of your 
+# version of this file only under the terms of the GPL and not to
+# allow others to use your version of this file under the MPL,
+# indicate your decision by deleting the provisions above and
+# replace them with the notice and other provisions required by
+# the GPL.  If you do not delete the provisions above, a recipient
+# may use your version of this file under either the MPL or the
+# GPL.
+#
+# Config stuff for Linux 2.6 (ELF)
+#
+
+include $(CORE_DEPTH)/coreconf/Linux.mk
+
+OS_REL_CFLAGS   += -DLINUX2_1
+MKSHLIB         = $(CC) -shared -Wl,-soname -Wl,$(@:$(OBJDIR)/%.so=%.so)
+ifdef BUILD_OPT
+            OPTIMIZER       = -O2
+endif
+
+ifdef MAPFILE
+	MKSHLIB += -Wl,--version-script,$(MAPFILE)
+endif
+PROCESS_MAP_FILE = grep -v ';-' $(LIBRARY_NAME).def | \
+        sed -e 's,;+,,' -e 's; DATA ;;' -e 's,;;,,' -e 's,;.*,;,' > $@
+