X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=base%2Fcommon.make;h=d914b5144149d0c1c48d75946b67d4a5dfb2f2b7;hb=5dc0c5b5a5d8b47aebe392186cf9afcdfc1d221f;hp=2ebd133a18031bb1836772910079b04b7fc26380;hpb=82f88c53ddb84e42c770c23feb9bb0ee18341188;p=chiark-tcl.git

diff --git a/base/common.make b/base/common.make
index 2ebd133..d914b51 100644
--- a/base/common.make
+++ b/base/common.make
@@ -1,13 +1,44 @@
+# base code for various Tcl extensions
+# Copyright 2006-2012 Ian Jackson
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this library; if not, see <http://www.gnu.org/licenses/>.
+
+
+VERSION ?=	1
+FAMILY ?=	chiark_tcl
+TCL_VERSION ?=	8.5
+TCL_INCLUDEDIR ?= /usr/include/tcl$(TCL_VERSION)
+
 OPTIMISE ?=		-O2
 TCL_MEM_DEBUG ?=	-DTCL_MEM_DEBUG
 
 TCMDIFGEN ?=	$(BASE_DIR)/tcmdifgen
 BASE_TCT ?=	$(BASE_DIR)/base.tct
+BASE_SHLIB ?=	lib$(FAMILY)-$(VERSION)
 
 CFLAGS +=	-g -Wall -Wmissing-prototypes -Wstrict-prototypes -Werror \
-		-Wno-pointer-sign \
 		$(OPTIMISE)
-CPPFLAGS +=	-I$(BASE_DIR)
+
+ifeq ($(shell $(CC) -Wno-pointer-sign -E -x c /dev/null >/dev/null || echo x),)
+CFLAGS +=	-Wno-pointer-sign
+endif
+
+ifeq ($(shell $(CC) -fno-strict-aliasing -E -x c /dev/null >/dev/null || echo x),)
+CFLAGS +=	-fno-strict-aliasing
+endif
+
+CPPFLAGS +=	-I$(TCL_INCLUDEDIR) -I$(BASE_DIR)
 CPPFLAGS +=	$(TCL_MEM_DEBUG)
 
 AUTOS +=	$(AUTO_SRCS) $(AUTO_HDRS)