New target - autoconf-changelog
This commit is contained in:
Andrew Cagney
parent
3c83da8ac4
commit
b69cc8ab14
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@ -1,5 +1,5 @@
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# Makefile template for Configure for the sim library.
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# Copyright (C) 1993, 1995 Free Software Foundation, Inc.
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# Copyright (C) 1993, 1995, 1997 Free Software Foundation, Inc.
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# Written by Cygnus Support.
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#
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# This file is part of BFD, the Binary File Descriptor library.
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@ -77,6 +77,11 @@ CC_FOR_BUILD = $(CC)
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# @target_makefile_frag@
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###
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RUNTEST = `if [ -f $${srcdir}/../dejagnu/runtest ] ; then \
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echo $${srcdir}/../dejagnu/runtest ; else echo runtest; \
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fi`
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RUNTESTFLAGS=
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FLAGS_TO_PASS = \
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"prefix=$(prefix)" \
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"exec_prefix=$(exec_prefix)" \
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@ -90,11 +95,37 @@ FLAGS_TO_PASS = \
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"MAKEINFO=$(MAKEINFO)" \
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"INSTALL=$(INSTALL)" \
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"INSTALL_DATA=$(INSTALL_DATA)" \
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"INSTALL_PROGRAM=$(INSTALL_PROGRAM)"
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"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
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"RUNTEST=$(RUNTEST)" \
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"RUNTESTFLAGS=$(RUNTESTFLAGS)"
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# The use of $$(x_FOR_TARGET) reduces the command line length by not
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# duplicating the lengthy definition.
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TARGET_FLAGS_TO_PASS = \
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"prefix=$(prefix)" \
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"exec_prefix=$(exec_prefix)" \
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"against=$(against)" \
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'CC=$$(CC_FOR_TARGET)' \
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"CC_FOR_TARGET=$(CC_FOR_TARGET)" \
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"CFLAGS=$(CFLAGS)" \
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"CHILLFLAGS=$(CHILLFLAGS)" \
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'CHILL=$$(CHILL_FOR_TARGET)' \
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"CHILL_FOR_TARGET=$(CHILL_FOR_TARGET)" \
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"CHILL_LIB=$(CHILL_LIB)" \
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'CXX=$$(CXX_FOR_TARGET)' \
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"CXX_FOR_TARGET=$(CXX_FOR_TARGET)" \
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"CXXFLAGS=$(CXXFLAGS)" \
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"INSTALL=$(INSTALL)" \
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"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
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"INSTALL_DATA=$(INSTALL_DATA)" \
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"MAKEINFO=$(MAKEINFO)" \
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"RUNTEST=$(RUNTEST)" \
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"RUNTESTFLAGS=$(RUNTESTFLAGS)"
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all:
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@rootme=`pwd` ; export rootme ; \
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for dir in . ${SUBDIRS}; do \
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for dir in . `echo ${SUBDIRS} | sed 's/testsuite//'` ; do \
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if [ "$$dir" = "." ]; then \
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true; \
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elif [ -d $$dir ]; then \
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@ -102,16 +133,6 @@ all:
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else true; fi; \
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done
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clean mostlyclean:
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@rootme=`pwd` ; export rootme ; \
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for dir in . ${SUBDIRS}; do \
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if [ "$$dir" = "." ]; then \
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true; \
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elif [ -d $$dir ]; then \
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(cd $$dir; $(MAKE) $(FLAGS_TO_PASS) $@); \
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else true; fi; \
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done
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distclean maintainer-clean realclean:
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@rootme=`pwd` ; export rootme ; \
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for dir in . ${SUBDIRS}; do \
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@ -133,6 +154,23 @@ install:
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else true; fi; \
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done
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installcheck:
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@echo No installcheck target is available yet for the GNU simulators.
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installcheck:
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# The check target can not use subdir_do, because subdir_do does not
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# use TARGET_FLAGS_TO_PASS.
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check: force
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@if [ -f testsuite/Makefile ]; then \
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rootme=`pwd`; export rootme; \
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rootsrc=`cd $(srcdir); pwd`; export rootsrc; \
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cd testsuite; \
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$(MAKE) $(TARGET_FLAGS_TO_PASS) check; \
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else true; fi
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info:
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install-info:
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dvi:
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@ -170,3 +208,24 @@ autoconf-common:
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fi ; \
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fi ; \
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done
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autoconf-changelog:
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user="`finger $$USER | sed -n 's/^.*Name: //p'` <$$USER@`hostname`>" ; \
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date="`date | sed 's/ [^ ]* \([0-9]*\)$$/ \1/'`" ; \
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echo "$$date $$user" ; \
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for d in * ; \
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do \
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if [ -d $$d -a -f $$d/configure.in ] ; \
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then \
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if grep SIM_AC_COMMON $$d/configure.in >/dev/null ; \
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then \
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echo "Creating new-ChangeLog in $$d ..." ; \
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( echo "$$date $$user" ; \
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echo "" ; \
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echo " * configure: Regenerated to track ../common/aclocal.m4 changes." ; \
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echo "" ; \
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cat $$d/ChangeLog \
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) > $$d/new-ChangeLog ; \
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fi ; \
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fi ; \
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done
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@ -0,0 +1,126 @@
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This is a loose collection of notes for people hacking on simulators.
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If this document gets big enough it can be prettied it up then.
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Contents
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- The "common" directory
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- Common Makefile Support
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- Generating "configure" files
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The "common" directory
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======================
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The common directory contains:
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- common documentation files (e.g. run.1, and maybe in time .texi files)
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- common source files (e.g. run.c)
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- common Makefile fragment and configury (e.g. Make-common.in, aclocal.m4).
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In addition "common" contains portions of the system call support
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(e.g. callback.c, nltvals.def).
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Even though no files are built in this directory, it is still configured
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so support for regenerating nltvals.def is present.
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Common Makefile Support
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=======================
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A common configuration framework is available for simulators that want
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to use it. The common framework exists to remove a lot of duplication
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in configure.in and Makefile.in, and it also provides a foundation for
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enhancing the simulators uniformly (e.g. the more they share in common
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the easier a feature added to one is added to all).
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The configure.in of a simulator using the common framework should look like:
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--- snip ---
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dnl Process this file with autoconf to produce a configure script.
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sinclude(../common/aclocal.m4)
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AC_PREREQ(2.5)dnl
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AC_INIT(Makefile.in)
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SIM_AC_COMMON
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... target specific additions ...
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SIM_AC_OUTPUT
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--- snip ---
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SIM_AC_COMMON:
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- invokes the autoconf macros most often used by the simulators
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- defines --enable/--with options usable by all simulators
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- initializes sim_link_files/sim_link_links as the set of symbolic links
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to set up
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SIM_AC_OUTPUT:
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- creates the symbolic links defined in sim_link_{files,links}
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- creates config.h
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- creates the Makefile
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The Makefile.in of a simulator using the common framework should look like:
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--- snip ---
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# Makefile for blah ...
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# Copyright blah ...
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## COMMON_PRE_CONFIG_FRAG
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# These variables are given default values in COMMON_PRE_CONFIG_FRAG.
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# We override the ones we need to here.
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# Not all of these need to be mentioned, only the necessary ones.
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# List of object files, less common parts.
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SIM_OBJS =
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# List of flags to always pass to $(CC).
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SIM_EXTRA_CFLAGS =
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# List of extra libraries to link with.
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SIM_EXTRA_LIBS =
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# List of extra program dependencies.
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SIM_EXTRA_LIBDEPS =
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# List of main object files for `run'.
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SIM_RUN_OBJS = run.o
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# Dependency of `all' to build any extra files.
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SIM_EXTRA_ALL =
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# Dependency of `install' to install any extra files.
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SIM_EXTRA_INSTALL =
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# Dependency of `clean' to clean any extra files.
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SIM_EXTRA_CLEAN =
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## COMMON_POST_CONFIG_FRAG
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# Rules need to build $(SIM_OBJS), plus whatever else the target wants.
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... target specific rules ...
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--- snip ---
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COMMON_{PRE,POST}_CONFIG_FRAG are markers for SIM_AC_OUTPUT to tell it
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where to insert the two pieces of common/Make-common.in.
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The resulting Makefile is created by doing autoconf substitions on
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both the target's Makefile.in and Make-common.in, and inserting
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the two pieces of Make-common.in into the target's Makefile.in at
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COMMON_{PRE,POST}_CONFIG_FRAG.
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Generating "configure" files
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============================
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For target's using the common framework, "configure" can be generated
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by running autoconf. This works because configure.in contains
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"sinclude(../common/aclocal.m4)".
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To regenerate the configure files for all targets using the common framework:
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$ cd devo/sim
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$ make -f Makefile.in autoconf-common
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To add a change-log entry to the ChangeLog file for each updated
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directory (WARNING - check the modified new-ChangeLog files before
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renaming):
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$ make -f Makefile.in autoconf-changelog
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$ more */new-ChangeLog
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$ for f in */new-ChangeLog ; do echo $f ; mv $f `dirname $f`/ChangeLog ; done
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