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zsh/Src/mkmakemod.sh

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#!/bin/sh
#
# mkmakemod.sh: generate Makefile.in files for module building
#
# Options:
# -m = file is already generated; only build the second stage
# -i = do not build second stage
#
# Args:
# $1 = subdirectory to look in, relative to $top_srcdir
# $2 = final output filename, within the $1 directory
#
# This script must be run from the top-level build directory, and $top_srcdir
# must be set correctly in the environment.
#
# This looks in $1, and uses all the *.mdd files there. Each .mdd file
# defines one module. The .mdd file is actually a shell script, which will
# be sourced. It may define the following shell variables:
#
# name name of this module
# moddeps modules on which this module depends (default none)
# nozshdep non-empty indicates no dependence on the `zsh/main' pseudo-module
# alwayslink if non-empty, always link the module into the executable
# autofeatures features defined by the module, for autoloading
# autofeatures_emu As autofeatures, but for non-zsh emulation modes
# objects .o files making up this module (*must* be defined)
# proto .syms files for this module (default generated from $objects)
# headers extra headers for this module (default none)
# hdrdeps extra headers on which the .mdh depends (default none)
# otherincs extra headers that are included indirectly (default none)
#
# The .mdd file may also include a Makefile.in fragment between lines
# `:<<\Make' and `Make' -- this will be copied into Makemod.in.
#
# The resulting Makemod.in knows how to build each module that is defined.
# For each module it also knows how to build a .mdh file. Each source file
# should #include the .mdh file for the module it is a part of. The .mdh
# file #includes the .mdh files for any module dependencies, then each of
# $headers, and then each .epro (for global declarations). It will
# be recreated if any of the dependency .mdh files changes, or if any of
# $headers or $hdrdeps changes. When anything depends on it, all the .epros
# and $otherincs will be made up to date, but the .mdh file won't actually
# be rebuilt if those files change.
#
# The order of sections of the output file is thus:
# simple generated macros
# macros generated from *.mdd
# included Makemod.in.in
# rules generated from *.mdd
# The order dependencies are basically that the generated macros are required
# in Makemod.in.in, but some of the macros that it creates are needed in the
# later rules.
#
# sed script to normalise a pathname
sed_normalise='
s,^,/,
s,$,/,
:1
s,/\./,/,
t1
:2
s,/[^/.][^/]*/\.\./,/,
s,/\.[^/.][^/]*/\.\./,/,
s,/\.\.[^/][^/]*/\.\./,/,
t2
s,^/$,.,
s,^/,,
s,\(.\)/$,\1,
'
# decide which stages to process
first_stage=true
second_stage=true
if test ."$1" = .-m; then
shift
first_stage=false
elif test ."$1" = .-i; then
shift
second_stage=false
fi
top_srcdir=`echo $top_srcdir | sed "$sed_normalise"`
the_subdir=$1
the_makefile=$2
if $first_stage; then
dir_top=`echo $the_subdir | sed 's,[^/][^/]*,..,g'`
trap "rm -f $the_subdir/${the_makefile}.in; exit 1" 1 2 15
echo "creating $the_subdir/${the_makefile}.in"
exec 3>&1 >$the_subdir/${the_makefile}.in
echo "##### ${the_makefile}.in generated automatically by mkmakemod.sh"
echo "##### DO NOT EDIT!"
echo
echo "##### ===== DEFINITIONS ===== #####"
echo
echo "makefile = ${the_makefile}"
echo "dir_top = ${dir_top}"
echo "subdir = ${the_subdir}"
echo
bin_mods=`grep link=static ./config.modules | \
sed -e '/^#/d' -e 's/ .*/ /' -e 's/^name=/ /'`
dyn_mods="`grep link=dynamic ./config.modules | \
sed -e '/^#/d' -e 's/ .*/ /' -e 's/^name=/ /'`"
module_list="${bin_mods}${dyn_mods}"
if grep '^#define DYNAMIC ' config.h >/dev/null; then
is_dynamic=true
else
is_dynamic=false
fi
here_mddnames=
all_subdirs=
all_modobjs=
all_modules=
all_mdds=
all_mdhs=
all_proto=
lastsub=//
for module in $module_list; do
modfile="`grep '^name='$module' ' ./config.modules | \
sed -e 's/^.* modfile=//' -e 's/ .*//'`"
case $modfile in
$the_subdir/$lastsub/*) ;;
$the_subdir/*/*)
lastsub=`echo $modfile | sed 's,^'$the_subdir'/,,;s,/[^/]*$,,'`
case "$all_subdirs " in
*" $lastsub "* ) ;;
* )
all_subdirs="$all_subdirs $lastsub"
;;
esac
;;
$the_subdir/*)
mddname=`echo $modfile | sed 's,^.*/,,;s,\.mdd$,,'`
here_mddnames="$here_mddnames $mddname"
build=$is_dynamic
case $is_dynamic@$bin_mods in
*" $module "*)
build=true
all_modobjs="$all_modobjs modobjs.${mddname}" ;;
true@*)
all_modules="$all_modules ${mddname}.\$(DL_EXT)" ;;
esac
all_mdds="$all_mdds ${mddname}.mdd"
$build && all_mdhs="$all_mdhs ${mddname}.mdh"
$build && all_proto="$all_proto proto.${mddname}"
;;
esac
done
echo "MODOBJS =$all_modobjs"
echo "MODULES =$all_modules"
echo "MDDS =$all_mdds"
echo "MDHS =$all_mdhs"
echo "PROTOS =$all_proto"
echo "SUBDIRS =$all_subdirs"
echo
echo "ENTRYOBJ = \$(dir_src)/modentry..o"
echo "NNTRYOBJ ="
echo "ENTRYOPT = -emodentry"
echo "NNTRYOPT ="
echo
echo "##### ===== INCLUDING Makemod.in.in ===== #####"
echo
cat $top_srcdir/Src/Makemod.in.in
echo
case $the_subdir in
Src) modobjs_sed= ;;
Src/*) modobjs_sed="| sed 's\" \" "`echo $the_subdir | sed 's,^Src/,,'`"/\"g' " ;;
*) modobjs_sed="| sed 's\" \" ../$the_subdir/\"g' " ;;
esac
other_mdhs=
remote_mdhs=
other_exports=
remote_exports=
other_modules=
remote_modules=
for mddname in $here_mddnames; do
unset name moddeps nozshdep alwayslink hasexport
unset autofeatures autofeatures_emu
unset objects proto headers hdrdeps otherincs
. $top_srcdir/$the_subdir/${mddname}.mdd
q_name=`echo $name | sed 's,Q,Qq,g;s,_,Qu,g;s,/,Qs,g'`
test -n "${moddeps+set}" || moddeps=
test -n "$nozshdep" || moddeps="$moddeps zsh/main"
test -n "${proto+set}" ||
proto=`echo $objects '' | sed 's,\.o ,.syms ,g'`
dobjects=`echo $objects '' | sed 's,\.o ,..o ,g'`
modhdeps=
mododeps=
exportdeps=
imports=
q_moddeps=
for dep in $moddeps; do
depfile="`grep '^name='$dep' ' ./config.modules | \
sed -e 's/^.* modfile=//' -e 's/ .*//'`"
q_dep=`echo $dep | sed 's,Q,Qq,g;s,_,Qu,g;s,/,Qs,g'`
q_moddeps="$q_moddeps $q_dep"
eval `echo $depfile | sed 's,/\([^/]*\)\.mdd$,;depbase=\1,;s,^,loc=,'`
case "$binmod" in
*" $dep "* )
dep=zsh/main
;;
esac
case $the_subdir in
$loc)
mdh="${depbase}.mdh"
export="${depbase}.export"
case "$dep" in
zsh/main )
mdll="\$(dir_top)/Src/libzsh-\$(VERSION).\$(DL_EXT) "
;;
* )
mdll="${depbase}.\$(DL_EXT) "
;;
esac
;;
$loc/*)
mdh="\$(dir_top)/$loc/${depbase}.mdh"
case "$other_mdhs " in
*" $mdh "*) ;;
*) other_mdhs="$other_mdhs $mdh" ;;
esac
export="\$(dir_top)/$loc/${depbase}.export"
case "$other_exports " in
*" $export "*) ;;
*) other_exports="$other_exports $export" ;;
esac
case "$dep" in
zsh/main )
mdll="\$(dir_top)/Src/libzsh-\$(VERSION).\$(DL_EXT) "
;;
* )
mdll="\$(dir_top)/$loc/${depbase}.\$(DL_EXT) "
;;
esac
case "$other_modules " in
*" $mdll "*) ;;
*) other_modules="$other_modules $mdll" ;;
esac
;;
*)
mdh="\$(dir_top)/$loc/${depbase}.mdh"
case "$remote_mdhs " in
*" $mdh "*) ;;
*) remote_mdhs="$remote_mdhs $mdh" ;;
esac
export="\$(dir_top)/$loc/${depbase}.export"
case "$remote_exports " in
*" $export "*) ;;
*) remote_exports="$remote_exports $export" ;;
esac
case "$dep" in
zsh/main )
mdll="\$(dir_top)/Src/libzsh-\$(VERSION).\$(DL_EXT) "
;;
* )
mdll="\$(dir_top)/$loc/${depbase}.\$(DL_EXT) "
;;
esac
case "$remote_modules " in
*" $mdll "*) ;;
*) remote_modules="$remote_modules $mdll" ;;
esac
;;
esac
modhdeps="$modhdeps $mdh"
exportdeps="$exportdeps $export"
imports="$imports \$(IMPOPT)$export"
case "$mododeps " in
*" $mdll "* )
:
;;
* )
mododeps="$mododeps $mdll"
;;
esac
done
echo "##### ===== DEPENDENCIES GENERATED FROM ${mddname}.mdd ===== #####"
echo
echo "MODOBJS_${mddname} = $objects"
echo "MODDOBJS_${mddname} = $dobjects \$(@E@NTRYOBJ)"
echo "SYMS_${mddname} = $proto"
echo "EPRO_${mddname} = "`echo $proto '' | sed 's,\.syms ,.epro ,g'`
echo "INCS_${mddname} = \$(EPRO_${mddname}) $otherincs"
echo "EXPIMP_${mddname} = $imports \$(EXPOPT)$mddname.export"
echo "NXPIMP_${mddname} ="
echo "LINKMODS_${mddname} = $mododeps"
echo "NOLINKMODS_${mddname} = "
echo
echo "proto.${mddname}: \$(EPRO_${mddname})"
echo "\$(SYMS_${mddname}): \$(PROTODEPS)"
echo
echo "${mddname}.export: \$(SYMS_${mddname})"
echo " @( echo '#!'; cat \$(SYMS_${mddname}) | sed -n '/^X/{s/^X//;p;}' | sort -u ) > \$@"
echo
echo "modobjs.${mddname}: \$(MODOBJS_${mddname})"
echo " @echo '' \$(MODOBJS_${mddname}) $modobjs_sed>> \$(dir_src)/stamp-modobjs.tmp"
echo
if test -z "$alwayslink"; then
case " $all_modules" in *" ${mddname}."*)
echo "install.modules-here: install.modules.${mddname}"
echo "uninstall.modules-here: uninstall.modules.${mddname}"
echo
;; esac
instsubdir=`echo $name | sed 's,^,/,;s,/[^/]*$,,'`
echo "install.modules.${mddname}: ${mddname}.\$(DL_EXT)"
echo " \$(SHELL) \$(sdir_top)/mkinstalldirs \$(DESTDIR)\$(MODDIR)${instsubdir}"
echo " \$(INSTALL_PROGRAM) \$(STRIPFLAGS) ${mddname}.\$(DL_EXT) \$(DESTDIR)\$(MODDIR)/${name}.\$(DL_EXT)"
echo
echo "uninstall.modules.${mddname}:"
echo " rm -f \$(DESTDIR)\$(MODDIR)/${name}.\$(DL_EXT)"
echo
echo "${mddname}.\$(DL_EXT): \$(MODDOBJS_${mddname}) ${mddname}.export $exportdeps \$(@LINKMODS@_${mddname})"
echo ' rm -f $@'
echo " \$(DLLINK) \$(@E@XPIMP_$mddname) \$(@E@NTRYOPT) \$(MODDOBJS_${mddname}) \$(@LINKMODS@_${mddname}) \$(LIBS) "
echo
fi
echo "${mddname}.mdhi: ${mddname}.mdhs \$(INCS_${mddname})"
echo " @test -f \$@ || echo 'do not delete this file' > \$@"
echo
echo "${mddname}.mdhs: ${mddname}.mdd"
echo " @\$(MAKE) -f \$(makefile) \$(MAKEDEFS) ${mddname}.mdh.tmp"
echo " @if cmp -s ${mddname}.mdh ${mddname}.mdh.tmp; then \\"
echo " rm -f ${mddname}.mdh.tmp; \\"
echo " echo \"\\\`${mddname}.mdh' is up to date.\"; \\"
echo " else \\"
echo " mv -f ${mddname}.mdh.tmp ${mddname}.mdh; \\"
echo " echo \"Updated \\\`${mddname}.mdh'.\"; \\"
echo " fi"
echo " echo 'timestamp for ${mddname}.mdh against ${mddname}.mdd' > \$@"
echo
echo "${mddname}.mdh: ${modhdeps} ${headers} ${hdrdeps} ${mddname}.mdhi"
echo " @\$(MAKE) -f \$(makefile) \$(MAKEDEFS) ${mddname}.mdh.tmp"
echo " @mv -f ${mddname}.mdh.tmp ${mddname}.mdh"
echo " @echo \"Updated \\\`${mddname}.mdh'.\""
echo
echo "${mddname}.mdh.tmp:"
echo " @( \\"
echo " echo '#ifndef have_${q_name}_module'; \\"
echo " echo '#define have_${q_name}_module'; \\"
echo " echo; \\"
echo " echo '# ifndef IMPORTING_MODULE_${q_name}'; \\"
echo " if test @SHORTBOOTNAMES@ = yes; then \\"
echo " echo '# ifndef MODULE'; \\"
echo " fi; \\"
echo " echo '# define boot_ boot_${q_name}'; \\"
echo " echo '# define cleanup_ cleanup_${q_name}'; \\"
echo " echo '# define features_ features_${q_name}'; \\"
echo " echo '# define enables_ enables_${q_name}'; \\"
echo " echo '# define setup_ setup_${q_name}'; \\"
echo " echo '# define finish_ finish_${q_name}'; \\"
echo " if test @SHORTBOOTNAMES@ = yes; then \\"
echo " echo '# endif /* !MODULE */'; \\"
echo " fi; \\"
echo " echo '# endif /* !IMPORTING_MODULE_${q_name} */'; \\"
echo " echo; \\"
if test -n "$moddeps"; then (
set x $q_moddeps
echo " echo '/* Module dependencies */'; \\"
for hdep in $modhdeps; do
shift
echo " echo '# define IMPORTING_MODULE_${1} 1'; \\"
echo " echo '# include \"${hdep}\"'; \\"
done
echo " echo; \\"
) fi
if test -n "$headers"; then
echo " echo '/* Extra headers for this module */'; \\"
echo " for hdr in $headers; do \\"
echo " echo '# include \"'\$\$hdr'\"'; \\"
echo " done; \\"
echo " echo; \\"
fi
if test -n "$proto"; then
echo " echo '# undef mod_import_variable'; \\"
echo " echo '# undef mod_import_function'; \\"
echo " echo '# if defined(IMPORTING_MODULE_${q_name}) && defined(MODULE)'; \\"
echo " echo '# define mod_import_variable @MOD_IMPORT_VARIABLE@'; \\"
echo " echo '# define mod_import_function @MOD_IMPORT_FUNCTION@'; \\"
echo " echo '# else'; \\"
echo " echo '# define mod_import_function'; \\"
echo " echo '# define mod_import_variable'; \\"
echo " echo '# endif /* IMPORTING_MODULE_${q_name} && MODULE */'; \\"
echo " for epro in \$(EPRO_${mddname}); do \\"
echo " echo '# include \"'\$\$epro'\"'; \\"
echo " done; \\"
echo " echo '# undef mod_import_variable'; \\"
echo " echo '# define mod_import_variable'; \\"
echo " echo '# undef mod_import_variable'; \\"
echo " echo '# define mod_import_variable'; \\"
echo " echo '# ifndef mod_export'; \\"
echo " echo '# define mod_export @MOD_EXPORT@'; \\"
echo " echo '# endif /* mod_export */'; \\"
echo " echo; \\"
fi
echo " echo '#endif /* !have_${q_name}_module */'; \\"
echo " ) > \$@"
echo
echo "\$(MODOBJS_${mddname}) \$(MODDOBJS_${mddname}): ${mddname}.mdh"
sed -e '/^ *: *<< *\\Make *$/,/^Make$/!d' \
-e 's/^ *: *<< *\\Make *$//; /^Make$/d' \
< $top_srcdir/$the_subdir/${mddname}.mdd
echo
done
if test -n "$remote_mdhs$other_mdhs$remote_exports$other_exports$remote_modules$other_modules"; then
echo "##### ===== DEPENDENCIES FOR REMOTE MODULES ===== #####"
echo
for mdh in $remote_mdhs; do
echo "$mdh: FORCE"
echo " @cd @%@ && \$(MAKE) \$(MAKEDEFS) @%@$mdh"
echo
done | sed 's,^\(.*\)@%@\(.*\)@%@\(.*\)/\([^/]*\)$,\1\3\2\4,'
if test -n "$other_mdhs"; then
echo "${other_mdhs}:" | sed 's,^ ,,'
echo " false # should only happen with make -n"
echo
fi
for export in $remote_exports; do
echo "$export: FORCE"
echo " @cd @%@ && \$(MAKE) \$(MAKEDEFS) @%@$export"
echo
done | sed 's,^\(.*\)@%@\(.*\)@%@\(.*\)/\([^/]*\)$,\1\3\2\4,'
if test -n "$other_exports"; then
echo "${other_exports}:" | sed 's,^ ,,'
echo " false # should only happen with make -n"
echo
fi
for mdll in $remote_modules; do
echo "$mdll: FORCE"
echo " @cd @%@ && \$(MAKE) \$(MAKEDEFS) @%@$mdll"
echo
done | sed 's,^\(.*\)@%@\(.*\)@%@\(.*\)/\([^/]*\)$,\1\3\2\4,'
if test -n "$other_modules"; then
echo "${other_modules}:" | sed 's,^ ,,'
echo " false # should only happen with make -n"
echo
fi
fi
echo "##### End of ${the_makefile}.in"
exec >&3 3>&-
fi
if $second_stage ; then
trap "rm -f $the_subdir/${the_makefile}; exit 1" 1 2 15
${CONFIG_SHELL-/bin/sh} ./config.status \
--file=$the_subdir/${the_makefile}:$the_subdir/${the_makefile}.in ||
exit 1
fi
exit 0
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