1# 2# CDDL HEADER START 3# 4# The contents of this file are subject to the terms of the 5# Common Development and Distribution License (the "License"). 6# You may not use this file except in compliance with the License. 7# 8# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9# or http://www.opensolaris.org/os/licensing. 10# See the License for the specific language governing permissions 11# and limitations under the License. 12# 13# When distributing Covered Code, include this CDDL HEADER in each 14# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15# If applicable, add the following below this CDDL HEADER, with the 16# fields enclosed by brackets "[]" replaced with your own identifying 17# information: Portions Copyright [yyyy] [name of copyright owner] 18# 19# CDDL HEADER END 20# 21# 22# Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23# Use is subject to license terms. 24# 25# ident "%Z%%M% %I% %E% SMI" 26# 27 28# Note: libast headers are generated by the AST build system outside OS/Net 29# (and then copied here) and depend on the architecture (e.g. "i386", "amd64", 30# "sparc", "sparcv9" etc. ...), we later merge them into one unified file 31# (see below) 32 33ROOTHDRDIR= $(ROOT)/usr/include/ast 34 35# Define the symbol used to distinguish between 32bit and 64bit parts of the 36# include file. We cannot use |_LP64| here because not every compiler (like 37# Studio 10/11/12) sets it by default (this doesn't harm because the AST 38# includes are OS- and platform-specific anyway) and we can't rely on the 39# system includes like <sys/isa_defs.h> because "/usr/bin/diff -D<symbol>" 40# adds the "#ifdef <symbol>" before any other content and "injecting" an 41# "#include <sys/isa_defs.h>" will alter the behaviour of the AST code 42# in unpredictable ways (e.g. the resulting code will not longer work). 43# Sun-Bug #6524070 ("RFE: Please set |_LP64| for 64bit platforms by default 44# (like gcc does)") has been filed against the Sun Studio compiler as RFE 45# to set |_LP64| for 64bit targets. 46# (INTEL_BLD is '#' for a Sparc build and SPARC_BLD is '#' for an Intel build) 47$(SPARC_BLD)AST64BITCPPSYMBOL = __sparcv9 48$(INTEL_BLD)AST64BITCPPSYMBOL = __amd64 49 50# We use a custom install sequence here to unify 32bit and 64bit AST includes 51# since we can only ship one set of includes. Therefore we use 52# "/usr/bin/diff -D <64bit>" (and for some exceptions a manual path) to 53# generate an unified version of the include files (and add a boilerplate text 54# which explains the interface stability status). 55# ToDo: Rewrite this in ksh93 to simplify the boilerplate generation 56$(ROOTHDRDIR)/%: $(HDRDIR32)/% $(HDRDIR64)/% 57 @mkdir -p tmpastinclude ; \ 58 boilerplate="" \ 59 boilerplate="$${boilerplate}/*\n" \ 60 boilerplate="$${boilerplate} * BEGIN OpenSolaris section\n" \ 61 boilerplate="$${boilerplate} * This is an unstable interface; changes may be made\n" \ 62 boilerplate="$${boilerplate} * without notice.\n" \ 63 boilerplate="$${boilerplate} * END OpenSolaris section\n" \ 64 boilerplate="$${boilerplate} */\n" ; \ 65 if [[ "$(@F)" = "ast_limits.h" || \ 66 "$(@F)" = "ast_dirent.h" ]] ; then \ 67 print "# Building (concatenation) $(@F)" ; \ 68 ( \ 69 print -n "$${boilerplate}" ; \ 70 print '#ifndef $(AST64BITCPPSYMBOL)' ; \ 71 cat "$(HDRDIR32)/$(@F)" ; \ 72 print '#else /* $(AST64BITCPPSYMBOL) */' ; \ 73 cat "$(HDRDIR64)/$(@F)" ; \ 74 print '#endif /* $(AST64BITCPPSYMBOL) */' ; \ 75 ) >"tmpastinclude/$(@F)" ; \ 76 else \ 77 print "# Building (diff) $(@F)" ; \ 78 ( \ 79 set +o errexit ; \ 80 print -n "$${boilerplate}" ; \ 81 /usr/bin/diff -D $(AST64BITCPPSYMBOL) "$(HDRDIR32)/$(@F)" "$(HDRDIR64)/$(@F)" ; true ;\ 82 ) >"tmpastinclude/$(@F)" ; \ 83 fi 84 $(INS) -s -m $(FILEMODE) -f $(@D) "tmpastinclude/$(@F)" 85 86# Add temporary include files to the list of files to "clobber" 87CLOBBERFILES += tmpastinclude/* 88