From 3378685f25b34ce1f1462ee5284c2289f5a1ddc7 Mon Sep 17 00:00:00 2001 From: Matthew Fioravante Date: Fri, 18 Jan 2013 10:55:48 +0000 Subject: Add conditional build of subsystems to configure.ac The toplevel Makefile still works without running configure and will default build everything Signed-off-by: Matthew Fioravante Acked-by: Ian Campbell Committed-by: Ian Campbell --- Makefile | 10 +- config/Toplevel.mk.in | 1 + configure | 576 +++++++++++++++++++++++++++++++++++++++++++++++++- configure.ac | 11 +- m4/subsystem.m4 | 32 +++ 5 files changed, 625 insertions(+), 5 deletions(-) create mode 100644 config/Toplevel.mk.in create mode 100644 m4/subsystem.m4 diff --git a/Makefile b/Makefile index a6ed8beccf..aa3c7bdb25 100644 --- a/Makefile +++ b/Makefile @@ -6,6 +6,11 @@ .PHONY: all all: dist +-include config/Toplevel.mk +SUBSYSTEMS?=xen kernels tools stubdom docs +TARGS_DIST=$(patsubst %, dist-%, $(SUBSYSTEMS)) +TARGS_INSTALL=$(patsubst %, install-%, $(SUBSYSTEMS)) + export XEN_ROOT=$(CURDIR) include Config.mk @@ -15,7 +20,7 @@ include buildconfigs/Rules.mk # build and install everything into the standard system directories .PHONY: install -install: install-xen install-kernels install-tools install-stubdom install-docs +install: $(TARGS_INSTALL) .PHONY: build build: kernels @@ -37,7 +42,7 @@ test: # build and install everything into local dist directory .PHONY: dist dist: DESTDIR=$(DISTDIR)/install -dist: dist-xen dist-kernels dist-tools dist-stubdom dist-docs dist-misc +dist: $(TARGS_DIST) dist-misc dist-misc: $(INSTALL_DIR) $(DISTDIR)/ @@ -151,6 +156,7 @@ endif # clean, but blow away kernel build tree plus tarballs .PHONY: distclean distclean: + -rm config/Toplevel.mk $(MAKE) -C xen distclean $(MAKE) -C tools distclean $(MAKE) -C stubdom distclean diff --git a/config/Toplevel.mk.in b/config/Toplevel.mk.in new file mode 100644 index 0000000000..4db7eafcab --- /dev/null +++ b/config/Toplevel.mk.in @@ -0,0 +1 @@ +SUBSYSTEMS := @SUBSYSTEMS@ diff --git a/configure b/configure index 3cbeea0f39..2c1f5bce39 100755 --- a/configure +++ b/configure @@ -561,6 +561,12 @@ ac_default_prefix=/usr enable_option_checking=no ac_subst_vars='LTLIBOBJS LIBOBJS +SUBSYSTEMS +docs +stubdom +tools +kernels +xen subdirs target_alias host_alias @@ -603,11 +609,20 @@ SHELL' ac_subst_files='' ac_user_opts=' enable_option_checking +enable_xen +enable_kernels +enable_tools +enable_stubdom +enable_docs ' ac_precious_vars='build_alias host_alias target_alias' -ac_subdirs_all='tools stubdom' +ac_subdirs_all='xen +kernels +tools +stubdom +docs' # Initialize some variables set by options. ac_init_help= @@ -1214,6 +1229,16 @@ if test -n "$ac_init_help"; then esac cat <<\_ACEOF +Optional Features: + --disable-option-checking ignore unrecognized --enable/--with options + --disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no) + --enable-FEATURE[=ARG] include FEATURE [ARG=yes] + --disable-xen Disable build and install of xen + --disable-kernels Disable build and install of kernels + --disable-tools Disable build and install of tools + --disable-stubdom Disable build and install of stubdom + --disable-docs Disable build and install of docs + Report bugs to . Xen Hypervisor home page: . _ACEOF @@ -1645,6 +1670,22 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu +ac_config_files="$ac_config_files ./config/Toplevel.mk" + + + + + + + + + + + + + + + ac_aux_dir= for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do @@ -1677,7 +1718,113 @@ ac_configure="$SHELL $ac_aux_dir/configure" # Please don't use this var. -subdirs="$subdirs tools stubdom" + +# Check whether --enable-xen was given. +if test "${enable_xen+set}" = set; then : + enableval=$enable_xen; +xen=n + +else + +xen=y +SUBSYSTEMS="$SUBSYSTEMS xen" +if test -e "xen/configure"; then : + +subdirs="$subdirs xen" + + +fi + +fi + + + + +# Check whether --enable-kernels was given. +if test "${enable_kernels+set}" = set; then : + enableval=$enable_kernels; +kernels=n + +else + +kernels=y +SUBSYSTEMS="$SUBSYSTEMS kernels" +if test -e "kernels/configure"; then : + +subdirs="$subdirs kernels" + + +fi + +fi + + + + +# Check whether --enable-tools was given. +if test "${enable_tools+set}" = set; then : + enableval=$enable_tools; +tools=n + +else + +tools=y +SUBSYSTEMS="$SUBSYSTEMS tools" +if test -e "tools/configure"; then : + +subdirs="$subdirs tools" + + +fi + +fi + + + + +# Check whether --enable-stubdom was given. +if test "${enable_stubdom+set}" = set; then : + enableval=$enable_stubdom; +stubdom=n + +else + +stubdom=y +SUBSYSTEMS="$SUBSYSTEMS stubdom" +if test -e "stubdom/configure"; then : + +subdirs="$subdirs stubdom" + + +fi + +fi + + + + +# Check whether --enable-docs was given. +if test "${enable_docs+set}" = set; then : + enableval=$enable_docs; +docs=n + +else + +docs=y +SUBSYSTEMS="$SUBSYSTEMS docs" +if test -e "docs/configure"; then : + +subdirs="$subdirs docs" + + +fi + +fi + + + + + cat >confcache <<\_ACEOF @@ -2236,11 +2383,15 @@ on `(hostname || uname -n) 2>/dev/null | sed 1q` _ACEOF +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 # Files that config.status was made for. +config_files="$ac_config_files" _ACEOF @@ -2259,6 +2410,11 @@ Usage: $0 [OPTION]... [TAG]... do not print progress messages -d, --debug don't remove temporary files --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + +Configuration files: +$config_files Report bugs to . Xen Hypervisor home page: ." @@ -2313,6 +2469,14 @@ do $as_echo "$ac_cs_config"; exit ;; --debug | --debu | --deb | --de | --d | -d ) debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + '') as_fn_error $? "missing file argument" ;; + esac + as_fn_append CONFIG_FILES " '$ac_optarg'" + ac_need_defaults=false;; --he | --h | --help | --hel | -h ) $as_echo "$ac_cs_usage"; exit ;; -q | -quiet | --quiet | --quie | --qui | --qu | --q \ @@ -2369,12 +2533,420 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 for ac_config_target in $ac_config_targets do case $ac_config_target in + "./config/Toplevel.mk") CONFIG_FILES="$CONFIG_FILES ./config/Toplevel.mk" ;; *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5 ;; esac done +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= + trap 'exit_status=$? + { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -n "$tmp" && test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done +rm -f conf$$subs.sh + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +cat >>"\$tmp/subs1.awk" <<\\_ACAWK && +_ACEOF +sed -n ' +h +s/^/S["/; s/!.*/"]=/ +p +g +s/^[^!]*!// +:repl +t repl +s/'"$ac_delim"'$// +t delim +:nl +h +s/\(.\{148\}\)..*/\1/ +t more1 +s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/ +p +n +b repl +:more1 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t nl +:delim +h +s/\(.\{148\}\)..*/\1/ +t more2 +s/["\\]/\\&/g; s/^/"/; s/$/"/ +p +b +:more2 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t delim +' >$CONFIG_STATUS || ac_write_fail=1 +rm -f conf$$subs.awk +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACAWK +cat >>"\$tmp/subs1.awk" <<_ACAWK && + for (key in S) S_is_set[key] = 1 + FS = "" + +} +{ + line = $ 0 + nfields = split(line, field, "@") + substed = 0 + len = length(field[1]) + for (i = 2; i < nfields; i++) { + key = field[i] + keylen = length(key) + if (S_is_set[key]) { + value = S[key] + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3) + len += length(value) + length(field[++i]) + substed = 1 + } else + len += 1 + keylen + } + + print line +} + +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g" +else + cat +fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \ + || as_fn_error $? "could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + + +eval set X " :F $CONFIG_FILES " +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5 ;; + :[FH]-) ac_tag=-:-;; + :[FH]*) ac_tag=$ac_tag:$ac_tag.in;; + esac + ac_save_IFS=$IFS + IFS=: + set x $ac_tag + IFS=$ac_save_IFS + shift + ac_file=$1 + shift + + case $ac_mode in + :L) ac_source=$1;; + :[FH]) + ac_file_inputs= + for ac_f + do + case $ac_f in + -) ac_f="$tmp/stdin";; + *) # Look for the file first in the build tree, then in the source tree + # (if the path is not absolute). The absolute path cannot be DOS-style, + # because $ac_f cannot contain `:'. + test -f "$ac_f" || + case $ac_f in + [\\/$]*) false;; + *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";; + esac || + as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5 ;; + esac + case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac + as_fn_append ac_file_inputs " '$ac_f'" + done + + # Let's still pretend it is `configure' which instantiates (i.e., don't + # use $as_me), people would be surprised to read: + # /* config.h. Generated by config.status. */ + configure_input='Generated from '` + $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g' + `' by configure.' + if test x"$ac_file" != x-; then + configure_input="$ac_file. $configure_input" + { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5 +$as_echo "$as_me: creating $ac_file" >&6;} + fi + # Neutralize special characters interpreted by sed in replacement strings. + case $configure_input in #( + *\&* | *\|* | *\\* ) + ac_sed_conf_input=`$as_echo "$configure_input" | + sed 's/[\\\\&|]/\\\\&/g'`;; #( + *) ac_sed_conf_input=$configure_input;; + esac + + case $ac_tag in + *:-:* | *:-) cat >"$tmp/stdin" \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;; + esac + ;; + esac + + ac_dir=`$as_dirname -- "$ac_file" || +$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$ac_file" : 'X\(//\)[^/]' \| \ + X"$ac_file" : 'X\(//\)$' \| \ + X"$ac_file" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$ac_file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir="$ac_dir"; as_fn_mkdir_p + ac_builddir=. + +case "$ac_dir" in +.) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;; +*) + ac_dir_suffix=/`$as_echo "$ac_dir" | sed 's|^\.[\\/]||'` + # A ".." for each directory in $ac_dir_suffix. + ac_top_builddir_sub=`$as_echo "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'` + case $ac_top_builddir_sub in + "") ac_top_builddir_sub=. ac_top_build_prefix= ;; + *) ac_top_build_prefix=$ac_top_builddir_sub/ ;; + esac ;; +esac +ac_abs_top_builddir=$ac_pwd +ac_abs_builddir=$ac_pwd$ac_dir_suffix +# for backward compatibility: +ac_top_builddir=$ac_top_build_prefix + +case $srcdir in + .) # We are building in place. + ac_srcdir=. + ac_top_srcdir=$ac_top_builddir_sub + ac_abs_top_srcdir=$ac_pwd ;; + [\\/]* | ?:[\\/]* ) # Absolute name. + ac_srcdir=$srcdir$ac_dir_suffix; + ac_top_srcdir=$srcdir + ac_abs_top_srcdir=$srcdir ;; + *) # Relative name. + ac_srcdir=$ac_top_build_prefix$srcdir$ac_dir_suffix + ac_top_srcdir=$ac_top_build_prefix$srcdir + ac_abs_top_srcdir=$ac_pwd/$srcdir ;; +esac +ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix + + + case $ac_mode in + :F) + # + # CONFIG_FILE + # + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# If the template does not know about datarootdir, expand it. +# FIXME: This hack should be removed a few years after 2.60. +ac_datarootdir_hack=; ac_datarootdir_seen= +ac_sed_dataroot=' +/datarootdir/ { + p + q +} +/@datadir@/p +/@docdir@/p +/@infodir@/p +/@localedir@/p +/@mandir@/p' +case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in +*datarootdir*) ac_datarootdir_seen=yes;; +*@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*) + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5 +$as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;} +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + ac_datarootdir_hack=' + s&@datadir@&$datadir&g + s&@docdir@&$docdir&g + s&@infodir@&$infodir&g + s&@localedir@&$localedir&g + s&@mandir@&$mandir&g + s&\\\${datarootdir}&$datarootdir&g' ;; +esac +_ACEOF + +# Neutralize VPATH when `$srcdir' = `.'. +# Shell code in configure.ac might set extrasub. +# FIXME: do we really want to maintain this feature? +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_sed_extra="$ac_vpsub +$extrasub +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +:t +/@[a-zA-Z_][a-zA-Z_0-9]*@/!b +s|@configure_input@|$ac_sed_conf_input|;t t +s&@top_builddir@&$ac_top_builddir_sub&;t t +s&@top_build_prefix@&$ac_top_build_prefix&;t t +s&@srcdir@&$ac_srcdir&;t t +s&@abs_srcdir@&$ac_abs_srcdir&;t t +s&@top_srcdir@&$ac_top_srcdir&;t t +s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t +s&@builddir@&$ac_builddir&;t t +s&@abs_builddir@&$ac_abs_builddir&;t t +s&@abs_top_builddir@&$ac_abs_top_builddir&;t t +$ac_datarootdir_hack +" +eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + +test -z "$ac_datarootdir_hack$ac_datarootdir_seen" && + { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } && + { ac_out=`sed -n '/^[ ]*datarootdir[ ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } && + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined" >&5 +$as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir' +which seems to be undefined. Please make sure it is defined" >&2;} + + rm -f "$tmp/stdin" + case $ac_file in + -) cat "$tmp/out" && rm -f "$tmp/out";; + *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";; + esac \ + || as_fn_error $? "could not create $ac_file" "$LINENO" 5 + ;; + + + + esac + +done # for ac_tag + + as_fn_exit 0 _ACEOF ac_clean_files=$ac_clean_files_save diff --git a/configure.ac b/configure.ac index 5dacb46203..fcbc4ae574 100644 --- a/configure.ac +++ b/configure.ac @@ -6,7 +6,16 @@ AC_INIT([Xen Hypervisor], m4_esyscmd([./version.sh ./xen/Makefile]), [xen-devel@lists.xen.org], [xen], [http://www.xen.org/]) AC_CONFIG_SRCDIR([./xen/common/kernel.c]) AC_PREFIX_DEFAULT([/usr]) +AC_CONFIG_FILES([./config/Toplevel.mk]) -AC_CONFIG_SUBDIRS([tools stubdom]) +m4_include([m4/features.m4]) +m4_include([m4/subsystem.m4]) + +AX_SUBSYSTEM_DEFAULT_ENABLE([xen]) +AX_SUBSYSTEM_DEFAULT_ENABLE([kernels]) +AX_SUBSYSTEM_DEFAULT_ENABLE([tools]) +AX_SUBSYSTEM_DEFAULT_ENABLE([stubdom]) +AX_SUBSYSTEM_DEFAULT_ENABLE([docs]) +AX_SUBSYSTEM_FINISH AC_OUTPUT() diff --git a/m4/subsystem.m4 b/m4/subsystem.m4 new file mode 100644 index 0000000000..d3eb8c96f8 --- /dev/null +++ b/m4/subsystem.m4 @@ -0,0 +1,32 @@ +AC_DEFUN([AX_SUBSYSTEM_DEFAULT_ENABLE], [ +AC_ARG_ENABLE([$1], +AS_HELP_STRING([--disable-$1], [Disable build and install of $1]),[ +$1=n +],[ +$1=y +SUBSYSTEMS="$SUBSYSTEMS $1" +AS_IF([test -e "$1/configure"], [ +AC_CONFIG_SUBDIRS([$1]) +]) +]) +AC_SUBST($1) +]) + +AC_DEFUN([AX_SUBSYSTEM_DEFAULT_DISABLE], [ +AC_ARG_ENABLE([$1], +AS_HELP_STRING([--enable-$1], [Enable build and install of $1]),[ +$1=y +SUBSYSTEMS="$SUBSYSTEMS $1" +AS_IF([test -e "$1/configure"], [ +AC_CONFIG_SUBDIRS([$1]) +]) +],[ +$1=n +]) +AC_SUBST($1) +]) + + +AC_DEFUN([AX_SUBSYSTEM_FINISH], [ +AC_SUBST(SUBSYSTEMS) +]) -- cgit v1.2.3