## Makefile for the include subdirectory of the GNU C++ Standard library.
##
## Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
##
## This file is part of the libstdc++ version 3 distribution.
## Process this file with automake to produce Makefile.in.

## This file is part of the GNU ISO C++ Library.  This library 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, or (at your option)
## any later version.

## This library 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; see the file COPYING.  If not, write to the Free
## Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
## USA.

include $(top_srcdir)/fragment.am

# Standard C++ includes.
std_srcdir = ${glibcxx_srcdir}/include/std
std_builddir = .
std_headers = \
	${std_srcdir}/std_algorithm.h \
	${std_srcdir}/std_bitset.h \
	${std_srcdir}/std_complex.h \
	${std_srcdir}/std_deque.h \
	${std_srcdir}/std_fstream.h \
	${std_srcdir}/std_functional.h \
	${std_srcdir}/std_iomanip.h \
	${std_srcdir}/std_ios.h \
	${std_srcdir}/std_iosfwd.h \
	${std_srcdir}/std_iostream.h \
	${std_srcdir}/std_istream.h \
	${std_srcdir}/std_iterator.h \
	${std_srcdir}/std_limits.h \
	${std_srcdir}/std_list.h \
	${std_srcdir}/std_locale.h \
	${std_srcdir}/std_map.h \
	${std_srcdir}/std_memory.h \
	${std_srcdir}/std_numeric.h \
	${std_srcdir}/std_ostream.h \
	${std_srcdir}/std_queue.h \
	${std_srcdir}/std_set.h \
	${std_srcdir}/std_sstream.h \
	${std_srcdir}/std_stack.h \
	${std_srcdir}/std_stdexcept.h \
	${std_srcdir}/std_streambuf.h \
	${std_srcdir}/std_string.h \
	${std_srcdir}/std_utility.h \
	${std_srcdir}/std_valarray.h \
	${std_srcdir}/std_vector.h
# Renamed at build time.
std_headers_rename = \
	algorithm \
	bitset \
	complex \
	deque \
	fstream \
	functional \
	iomanip \
	ios \
	iosfwd \
	iostream \
	istream \
	iterator \
	limits \
	list \
	locale \
	map \
	memory \
	numeric \
	ostream \
	queue \
	set \
	sstream \
	stack \
	stdexcept \
	streambuf \
	string \
	utility \
	valarray \
	vector

bits_srcdir = ${glibcxx_srcdir}/include/bits
bits_builddir = ./bits
bits_headers = \
	${bits_srcdir}/allocator.h \
	${bits_srcdir}/allocator_traits.h \
	${bits_srcdir}/basic_ios.h \
	${bits_srcdir}/basic_ios.tcc \
	${bits_srcdir}/basic_string.h \
	${bits_srcdir}/basic_string.tcc \
	${bits_srcdir}/boost_concept_check.h \
	${bits_srcdir}/char_traits.h \
	${bits_srcdir}/codecvt.h \
	${bits_srcdir}/concept_check.h \
	${bits_srcdir}/cpp_type_traits.h \
	${bits_srcdir}/demangle.h \
	${bits_srcdir}/deque.tcc \
	${bits_srcdir}/fstream.tcc \
	${bits_srcdir}/functexcept.h \
	${bits_srcdir}/gslice.h \
	${bits_srcdir}/gslice_array.h \
	${bits_srcdir}/indirect_array.h \
	${bits_srcdir}/ios_base.h \
	${bits_srcdir}/istream.tcc \
	${bits_srcdir}/list.tcc \
	${bits_srcdir}/locale_classes.h \
	${bits_srcdir}/locale_facets.h \
	${bits_srcdir}/locale_facets.tcc \
	${bits_srcdir}/localefwd.h \
	${bits_srcdir}/mask_array.h \
	${bits_srcdir}/ostream.tcc \
	${bits_srcdir}/stream_iterator.h \
	${bits_srcdir}/streambuf_iterator.h \
	${bits_srcdir}/slice_array.h \
	${bits_srcdir}/sstream.tcc \
	${bits_srcdir}/stl_algo.h \
	${bits_srcdir}/stl_algobase.h \
	${bits_srcdir}/stl_bvector.h \
	${bits_srcdir}/stl_construct.h \
	${bits_srcdir}/stl_deque.h \
	${bits_srcdir}/stl_function.h \
	${bits_srcdir}/stl_heap.h \
	${bits_srcdir}/stl_iterator.h \
	${bits_srcdir}/stl_iterator_base_funcs.h \
	${bits_srcdir}/stl_iterator_base_types.h \
	${bits_srcdir}/stl_list.h \
	${bits_srcdir}/stl_map.h \
	${bits_srcdir}/stl_multimap.h \
	${bits_srcdir}/stl_multiset.h \
	${bits_srcdir}/stl_numeric.h \
	${bits_srcdir}/stl_pair.h \
	${bits_srcdir}/stl_queue.h \
	${bits_srcdir}/stl_raw_storage_iter.h \
	${bits_srcdir}/stl_relops.h \
	${bits_srcdir}/stl_set.h \
	${bits_srcdir}/stl_stack.h \
	${bits_srcdir}/stl_tempbuf.h \
	${bits_srcdir}/stl_threads.h \
	${bits_srcdir}/stl_tree.h \
	${bits_srcdir}/stl_uninitialized.h \
	${bits_srcdir}/stl_vector.h \
	${bits_srcdir}/streambuf.tcc \
	${bits_srcdir}/stringfwd.h \
	${bits_srcdir}/type_traits.h \
	${bits_srcdir}/valarray_array.h \
	${bits_srcdir}/valarray_array.tcc \
	${bits_srcdir}/valarray_before.h \
	${bits_srcdir}/valarray_after.h \
	${bits_srcdir}/vector.tcc

backward_srcdir = ${glibcxx_srcdir}/include/backward
backward_builddir = ./backward
backward_headers = \
	${backward_srcdir}/complex.h \
	${backward_srcdir}/iomanip.h \
	${backward_srcdir}/istream.h \
	${backward_srcdir}/ostream.h \
	${backward_srcdir}/stream.h \
	${backward_srcdir}/streambuf.h \
	${backward_srcdir}/algo.h \
	${backward_srcdir}/algobase.h \
	${backward_srcdir}/alloc.h \
	${backward_srcdir}/bvector.h \
	${backward_srcdir}/defalloc.h \
	${backward_srcdir}/deque.h \
	${backward_srcdir}/function.h \
	${backward_srcdir}/hash_map.h \
	${backward_srcdir}/hash_set.h \
	${backward_srcdir}/hashtable.h \
	${backward_srcdir}/heap.h \
	${backward_srcdir}/iostream.h \
	${backward_srcdir}/iterator.h \
	${backward_srcdir}/list.h \
	${backward_srcdir}/map.h \
	${backward_srcdir}/multimap.h \
	${backward_srcdir}/new.h \
	${backward_srcdir}/multiset.h \
	${backward_srcdir}/pair.h \
	${backward_srcdir}/queue.h \
	${backward_srcdir}/rope.h \
	${backward_srcdir}/set.h \
	${backward_srcdir}/slist.h \
	${backward_srcdir}/stack.h \
	${backward_srcdir}/tempbuf.h \
	${backward_srcdir}/tree.h \
	${backward_srcdir}/vector.h \
	${backward_srcdir}/fstream.h \
	${backward_srcdir}/strstream \
	${backward_srcdir}/backward_warning.h

ext_srcdir = ${glibcxx_srcdir}/include/ext
ext_builddir = ./ext
ext_headers = \
	${ext_srcdir}/algorithm \
	${ext_srcdir}/debug_allocator.h \
	${ext_srcdir}/enc_filebuf.h \
	${ext_srcdir}/stdio_filebuf.h \
	${ext_srcdir}/stdio_sync_filebuf.h \
	${ext_srcdir}/functional \
	${ext_srcdir}/hash_map \
	${ext_srcdir}/hash_set \
	${ext_srcdir}/iterator \
	${ext_srcdir}/malloc_allocator.h \
	${ext_srcdir}/memory \
	${ext_srcdir}/mt_allocator.h \
	${ext_srcdir}/new_allocator.h \
	${ext_srcdir}/numeric \
	${ext_srcdir}/pod_char_traits.h \
	${ext_srcdir}/pool_allocator.h \
	${ext_srcdir}/rb_tree \
	${ext_srcdir}/rope \
	${ext_srcdir}/ropeimpl.h \
	${ext_srcdir}/slist \
	${ext_srcdir}/hash_fun.h \
	${ext_srcdir}/hashtable.h


# This is the common subset of files that all three "C" header models use.
c_base_srcdir = $(C_INCLUDE_DIR)
c_base_builddir = .
c_base_headers = \
	${c_base_srcdir}/std_cassert.h \
	${c_base_srcdir}/std_cctype.h \
	${c_base_srcdir}/std_cerrno.h \
	${c_base_srcdir}/std_cfloat.h \
	${c_base_srcdir}/std_ciso646.h \
	${c_base_srcdir}/std_climits.h \
	${c_base_srcdir}/std_clocale.h \
	${c_base_srcdir}/std_cmath.h \
	${c_base_srcdir}/std_csetjmp.h \
	${c_base_srcdir}/std_csignal.h \
	${c_base_srcdir}/std_cstdarg.h \
	${c_base_srcdir}/std_cstddef.h \
	${c_base_srcdir}/std_cstdio.h \
	${c_base_srcdir}/std_cstdlib.h \
	${c_base_srcdir}/std_cstring.h \
	${c_base_srcdir}/std_ctime.h \
	${c_base_srcdir}/std_cwchar.h \
	${c_base_srcdir}/std_cwctype.h
c_base_headers_rename = \
	cassert \
	cctype \
	cerrno \
	cfloat \
	ciso646 \
	climits \
	clocale \
	cmath \
	csetjmp \
	csignal \
	cstdarg \
	cstddef \
	cstdio \
	cstdlib \
	cstring \
	ctime \
	cwchar \
	cwctype

# "C" compatibility headers.
c_compatibility_srcdir = ${glibcxx_srcdir}/include/c_compatibility
c_compatibility_builddir = .
c_compatibility_headers = \
	${c_compatibility_srcdir}/assert.h \
	${c_compatibility_srcdir}/ctype.h \
	${c_compatibility_srcdir}/errno.h \
	${c_compatibility_srcdir}/float.h \
	${c_compatibility_srcdir}/iso646.h \
	${c_compatibility_srcdir}/limits.h \
	${c_compatibility_srcdir}/locale.h \
	${c_compatibility_srcdir}/math.h \
	${c_compatibility_srcdir}/setjmp.h \
	${c_compatibility_srcdir}/signal.h \
	${c_compatibility_srcdir}/stdarg.h \
	${c_compatibility_srcdir}/stddef.h \
	${c_compatibility_srcdir}/stdio.h \
	${c_compatibility_srcdir}/stdlib.h \
	${c_compatibility_srcdir}/string.h \
	${c_compatibility_srcdir}/time.h \
	${c_compatibility_srcdir}/wchar.h \
	${c_compatibility_srcdir}/wctype.h

# Some of the different "C" header models need extra files.
# Some "C" header schemes require the "C" compatibility headers.
# For --enable-cheaders=c_std
if GLIBCXX_C_HEADERS_C_STD
c_base_headers_extra = ${c_base_srcdir}/cmath.tcc
else
c_base_headers_extra =
endif

if GLIBCXX_C_HEADERS_COMPATIBILITY
c_compatibility_headers_extra = ${c_compatibility_headers}
else
c_compatibility_headers_extra =
endif

host_srcdir = ${glibcxx_srcdir}/$(OS_INC_SRCDIR)
host_builddir = ./${host_alias}/bits
host_headers = \
	${host_srcdir}/ctype_base.h \
	${host_srcdir}/ctype_inline.h \
	${host_srcdir}/ctype_noninline.h \
	${host_srcdir}/os_defines.h \
	${glibcxx_srcdir}/$(ATOMICITY_INC_SRCDIR)/atomicity.h \
	${glibcxx_srcdir}/$(FPOS_INC_SRCDIR)/fpos.h

# Non-installed host_header files.
host_headers_noinst = \
	${glibcxx_srcdir}/$(CLOCALE_INTERNAL_H)

# These host_headers_extra files are all built with ad hoc naming rules.
host_headers_extra = \
	${host_builddir}/basic_file.h \
	${host_builddir}/c++config.h \
	${host_builddir}/c++io.h \
	${host_builddir}/c++locale.h \
	${host_builddir}/messages_members.h \
	${host_builddir}/time_members.h \
	${host_builddir}/codecvt_specializations.h

thread_host_headers = \
	${host_builddir}/gthr.h \
	${host_builddir}/gthr-single.h \
	${host_builddir}/gthr-posix.h \
	${host_builddir}/gthr-default.h

pch_input = ${host_builddir}/stdc++.h
pch_output_builddir = ${host_builddir}/stdc++.h.gch
pch_source = ${glibcxx_srcdir}/include/stdc++.h
PCHFLAGS=-Winvalid-pch -Wno-deprecated -x c++-header $(CXXFLAGS)
if GLIBCXX_BUILD_PCH
pch_build = ${pch_input}
pch_install = install-pch
else
pch_build =
pch_install =
endif

# List of all timestamp files.  By keeping only one copy of this list, both
# CLEANFILES and all-local are kept up-to-date.
allstamped = \
	stamp-std stamp-bits stamp-c_base stamp-c_compatibility \
	stamp-backward stamp-ext stamp-host

# List of all files that are created by explicit building, editing, or
# catenation.
allcreated = \
	${host_builddir}/c++config.h \
	${thread_host_headers} \
	${pch_build}

# Here are the rules for building the headers
all-local: ${allstamped} ${allcreated}

# This rule is slightly different, in that we must change the name of the
# local file from std_foo.h to foo.
stamp-std: ${std_headers}
	@if [ ! -d "${std_builddir}" ]; then \
	  mkdir -p ${std_builddir} ;\
	fi ;\
	if [ ! -f stamp-std ]; then \
	  (cd ${std_builddir} && for h in $?; do \
	    official_name=`echo $$h | sed -e 's,.*/std_,,' -e 's,\.h$$,,'` ;\
	    $(LN_S) $$h ./$${official_name} || true ;\
	  done) ;\
	fi ;\
	$(STAMP) stamp-std

stamp-bits: ${bits_headers}
	@if [ ! -d "${bits_builddir}" ]; then \
	  mkdir -p ${bits_builddir} ;\
	fi ;\
	if [ ! -f stamp-bits ]; then \
	  (cd ${bits_builddir} && $(LN_S) $? . || true) ;\
	fi ;\
	$(STAMP) stamp-bits

stamp-c_base: stamp-bits ${c_base_headers} ${c_base_headers_extra}
	@if [ ! -d "${c_base_builddir}" ]; then \
	  mkdir -p ${c_base_builddir} ;\
	fi ;\
	if [ ! -f stamp-c_base ]; then \
	  (cd ${c_base_builddir} && for h in ${c_base_headers}; do \
	    official_name=`echo $$h | sed -e 's,.*/std_,,' -e 's,\.h$$,,'` ;\
	    $(LN_S) $$h ./$${official_name} || true ;\
	  done) ;\
	  if [ ! -z "${c_base_headers_extra}" ]; then \
	  (cd ${bits_builddir} && $(LN_S) ${c_base_headers_extra}  . || true) ;\
	  fi ;\
	fi ;\
	$(STAMP) stamp-c_base

stamp-c_compatibility: ${c_compatibility_headers_extra}
	@if [ ! -d "${c_compatibility_builddir}" ]; then \
	  mkdir -p ${c_compatibility_builddir} ;\
	fi ;\
	if [ ! -f stamp-c_compatibility ]; then \
	  if [ ! -z "${c_compatibility_headers_extra}" ]; then \
	    (cd ${c_compatibility_builddir} && $(LN_S) $? . || true) ;\
	  fi ;\
	fi ;\
	$(STAMP) stamp-c_compatibility

stamp-backward: ${backward_headers}
	@if [ ! -d "${backward_builddir}" ]; then \
	  mkdir -p ${backward_builddir} ;\
	fi ;\
	if [ ! -f stamp-backward ]; then \
	  (cd ${backward_builddir} && $(LN_S) $? . || true) ;\
	fi ;\
	$(STAMP) stamp-backward

stamp-ext: ${ext_headers}
	@if [ ! -d "${ext_builddir}" ]; then \
	    mkdir -p ${ext_builddir} ;\
	fi ;\
	if [ ! -f stamp-ext ]; then \
	  (cd ${ext_builddir} && $(LN_S) $? . || true) ;\
	fi ;\
	$(STAMP) stamp-ext

stamp-${host_alias}:
	@if [ ! -d ${host_builddir} ]; then \
	  mkdir -p ${host_builddir} ;\
	fi ;\
	$(STAMP) stamp-${host_alias}

# Host includes static.
# XXX Missing dependency info for {host_headers_extra}
stamp-host: ${host_headers} ${host_headers_noinst} stamp-${host_alias}
	@if [ ! -f stamp-host ]; then \
	  (cd ${host_builddir} ;\
	  $(LN_S) ${host_headers} . || true ;\
	  $(LN_S) ${glibcxx_srcdir}/$(BASIC_FILE_H) basic_file.h || true ;\
	  $(LN_S) ${glibcxx_srcdir}/$(CSTDIO_H) c++io.h || true ;\
	  $(LN_S) ${glibcxx_srcdir}/$(CLOCALE_H) c++locale.h || true ;\
	  $(LN_S) ${glibcxx_srcdir}/$(CLOCALE_INTERNAL_H) . || true ;\
	  $(LN_S) ${glibcxx_srcdir}/$(CMESSAGES_H) messages_members.h || true ;\
	  $(LN_S) ${glibcxx_srcdir}/$(CTIME_H) time_members.h || true ;\
	  $(LN_S) ${glibcxx_srcdir}/$(CCODECVT_H) codecvt_specializations.h || true);\
	fi ;\
	$(STAMP) stamp-host

# Host includes dynamic.
${host_builddir}/c++config.h: ${top_builddir}/config.h \
				${glibcxx_srcdir}/include/bits/c++config \
				stamp-${host_alias}
	@cat ${glibcxx_srcdir}/include/bits/c++config > $@ ;\
	sed -e 's/HAVE_/_GLIBCXX_HAVE_/g' \
	    -e 's/PACKAGE/_GLIBCXX_PACKAGE/g' \
	    -e 's/VERSION/_GLIBCXX_VERSION/g' \
	    -e 's/WORDS_/_GLIBCXX_WORDS_/g' \
	    < ${CONFIG_HEADER} >> $@ ;\
	echo "#endif // _CXXCONFIG_" >>$@

# Host includes for threads
uppercase = [ABCDEFGHIJKLMNOPQRSTUVWXYZ_]

${host_builddir}/gthr.h: ${toplevel_srcdir}/gcc/gthr.h stamp-${host_alias}
	sed -e '/^#/s/\(${uppercase}${uppercase}*\)/_GLIBCXX_\1/g' \
	    -e 's,^#include "\(.*\)",#include <bits/\1>,g' \
	    < ${toplevel_srcdir}/gcc/gthr.h > $@

${host_builddir}/gthr-single.h: ${toplevel_srcdir}/gcc/gthr-single.h \
				  stamp-${host_alias}
	sed -e 's/\(UNUSED\)/_GLIBCXX_\1/g' \
	    -e 's/\(GCC${uppercase}*_H\)/_GLIBCXX_\1/g' \
	    < ${toplevel_srcdir}/gcc/gthr-single.h > $@

${host_builddir}/gthr-posix.h: ${toplevel_srcdir}/gcc/gthr-posix.h \
				   stamp-${host_alias}
	sed -e 's/\(UNUSED\)/_GLIBCXX_\1/g' \
	    -e 's/\(GCC${uppercase}*_H\)/_GLIBCXX_\1/g' \
	    -e 's/\(${uppercase}*WEAK\)/_GLIBCXX_\1/g' \
	    < ${toplevel_srcdir}/gcc/gthr-posix.h > $@

${host_builddir}/gthr-default.h: ${toplevel_srcdir}/gcc/${glibcxx_thread_h} \
				   stamp-${host_alias}
	sed -e 's/\(UNUSED\)/_GLIBCXX_\1/g' \
	    -e 's/\(GCC${uppercase}*_H\)/_GLIBCXX_\1/g' \
	    -e 's/\(${uppercase}*WEAK\)/_GLIBCXX_\1/g' \
	    -e 's,^#include "\(.*\)",#include <bits/\1>,g' \
	    < ${toplevel_srcdir}/gcc/${glibcxx_thread_h} > $@

# Build a precompiled C++ include, stdc++.h.gch.
${pch_input}: ${allstamped} ${host_builddir}/c++config.h ${pch_source}
	touch ${pch_input}; \
	if [ ! -d "${pch_output_builddir}" ]; then \
	  mkdir -p ${pch_output_builddir}; \
	fi; \
	$(CXX) $(PCHFLAGS) $(AM_CPPFLAGS) ${pch_source} -O0 -g -o ${pch_output_builddir}/O0g; \
	$(CXX) $(PCHFLAGS) $(AM_CPPFLAGS) ${pch_source} -O2 -g -o ${pch_output_builddir}/O2g;

# For robustness sake (in light of junk files or in-source
# configuration), copy from the build or source tree to the install
# tree using only the human-maintained file lists and directory
# components.  Yes, with minor differences, this is sheer duplication
# of the staging rules above using $(INSTALL_DATA) instead of LN_S and
# `$(mkinstalldirs)' instead of `mkdir -p'.  In particular,
# host_headers_extra are taken out of the build tree staging area;
# the rest are taken from the original source tree.

if GLIBCXX_HOSTED
install-data-local: install-headers ${pch_install}
else
install-data-local: install-freestanding-headers
endif

# This is a subset of the full install-headers rule.  We only need <cstddef>,
# <limits>, <cstdlib>, <cstdarg>, <new>, <typeinfo>, <exception>, and any
# files which they include (and which we provide).  The last three headers
# are installed by libsupc++, so only the first four and the sub-includes
# are copied here.
install-freestanding-headers:
	$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}
	$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${host_builddir}
	for file in ${host_srcdir}/os_defines.h ${host_builddir}/c++config.h; do \
	  $(INSTALL_DATA) $${file} $(DESTDIR)${gxx_include_dir}/${host_builddir}; done
	$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${std_builddir}
	$(INSTALL_DATA) ${std_builddir}/limits $(DESTDIR)${gxx_include_dir}/${std_builddir}
	$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${c_base_builddir}
	for file in cstddef cstdlib cstdarg; do \
	  $(INSTALL_DATA) ${c_base_builddir}/$${file} $(DESTDIR)${gxx_include_dir}/${c_base_builddir}; done

# The real deal.
install-headers:
	$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}
	$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${bits_builddir}
	for file in ${bits_headers}; do \
	  $(INSTALL_DATA) $${file} $(DESTDIR)${gxx_include_dir}/${bits_builddir}; done
	$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${backward_builddir}
	for file in ${backward_headers}; do \
	  $(INSTALL_DATA) $${file} $(DESTDIR)${gxx_include_dir}/${backward_builddir}; done
	$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${ext_builddir}
	for file in ${ext_headers}; do \
	  $(INSTALL_DATA) $${file} $(DESTDIR)${gxx_include_dir}/${ext_builddir}; done
	$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${c_base_builddir}
	for file in ${c_base_headers_rename}; do \
	  $(INSTALL_DATA) ${c_base_builddir}/$${file} $(DESTDIR)${gxx_include_dir}/${c_base_builddir}; done
	c_base_headers_extra_install='$(c_base_headers_extra)';\
	for file in $$c_base_headers_extra_install; do \
	  $(INSTALL_DATA) $$file $(DESTDIR)${gxx_include_dir}/${bits_builddir}; done
	c_compatibility_headers_install='$(c_compatibility_headers_extra)';\
	for file in $$c_compatibility_headers_install; do \
	  $(INSTALL_DATA) $$file $(DESTDIR)${gxx_include_dir}; done
	$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${std_builddir}
	for file in ${std_headers_rename}; do \
	  $(INSTALL_DATA) ${std_builddir}/$${file} $(DESTDIR)${gxx_include_dir}/${std_builddir}; done
	$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${host_builddir}
	for file in ${host_headers} ${host_headers_extra} \
	 ${thread_host_headers}; do \
	  $(INSTALL_DATA) $${file} $(DESTDIR)${gxx_include_dir}/${host_builddir}; done

install-pch:
	$(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${pch_output_builddir}
	for file in ${pch_output_builddir}/*; do \
	  $(INSTALL_DATA) $$file $(DESTDIR)${gxx_include_dir}/${pch_output_builddir}; done

# By adding these files here, automake will remove them for 'make clean'
CLEANFILES = ${pch_input} ${pch_output_builddir}/*

# Stop implicit '.o' make rules from ever stomping on extensionless
# headers, in the improbable case where some foolish, crack-addled
# developer tries to create them via make in the include build
# directory. (This is more of an example of how this kind of rule can
# be made.)
.PRECIOUS: $(std_headers_rename) $(c_base_headers_rename)
$(std_headers_rename): ; @:
$(c_base_headers_rename): ; @: