47f87072ad
Previously there was the problem that all files read by nix-env etc. should be reachable and readable by the Nix user. So for instance building a Nix expression in your home directory meant that the home directory should have at least g+x or o+x permission so that the Nix user could reach the Nix expression. Now we just switch back to the original user just prior to reading sources and the like. The places where this happens are somewhat arbitrary, however. Any scope that has a live SwitchToOriginalUser object in it is executed as the original user. * Back out r1385. setreuid() sets the saved uid to the new real/effective uid, which prevents us from switching back to the original uid. setresuid() doesn't have this problem (although the manpage has a bug: specifying -1 for the saved uid doesn't leave it unchanged; an explicit value must be specified).
202 lines
5.8 KiB
Text
202 lines
5.8 KiB
Text
AC_INIT(nix, "0.6")
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AC_CONFIG_SRCDIR(README)
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AC_CONFIG_AUX_DIR(config)
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AM_INIT_AUTOMAKE
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# Change to `1' to produce a `stable' release (i.e., the `preREVISION'
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# suffix is not added).
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STABLE=0
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# Put the revision number in the version.
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if test "$STABLE" != "1"; then
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if REVISION=`test -d $srcdir/.svn && svnversion $srcdir 2> /dev/null`; then
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VERSION="${VERSION}pre${REVISION}"
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elif REVISION=`cat $srcdir/svn-revision 2> /dev/null`; then
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VERSION="${VERSION}pre${REVISION}"
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fi
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fi
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AC_PREFIX_DEFAULT(/nix)
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AC_CANONICAL_HOST
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# Construct a Nix system name (like "i686-linux").
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AC_MSG_CHECKING([for the canonical Nix system name])
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cpu_name=$(uname -p | tr 'A-Z ' 'a-z_')
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machine_name=$(uname -m | tr 'A-Z ' 'a-z_')
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case $machine_name in
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i*86)
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machine_name=i686
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;;
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*)
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if test "$cpu_name" != "unknown"; then
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machine_name=$cpu_name
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fi
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;;
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esac
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sys_name=$(uname -s | tr 'A-Z ' 'a-z_')
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AC_ARG_WITH(system, AC_HELP_STRING([--with-system=SYSTEM],
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[platform identifier (e.g., `i686-linux')]),
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system=$withval, system="${machine_name}-${sys_name}")
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AC_MSG_RESULT($system)
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AC_SUBST(system)
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AC_DEFINE_UNQUOTED(SYSTEM, ["$system"], [platform identifier (`cpu-os')])
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AC_PROG_CC
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AC_PROG_CXX
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AC_PROG_RANLIB
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# Check for pubsetbuf.
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AC_MSG_CHECKING([for pubsetbuf])
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AC_LANG_PUSH(C++)
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <iostream>
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using namespace std;
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static char buf[1024];]],
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[[cerr.rdbuf()->pubsetbuf(buf, sizeof(buf));]])],
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[AC_MSG_RESULT(yes) AC_DEFINE(HAVE_PUBSETBUF, 1, [whether pubsetbuf is available])],
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AC_MSG_RESULT(no))
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AC_LANG_POP(C++)
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# Check for <locale>
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AC_LANG_PUSH(C++)
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AC_CHECK_HEADERS([locale])
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AC_LANG_POP(C++)
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AC_DEFUN([NEED_PROG],
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[
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AC_PATH_PROG($1, $2)
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if test -z "$$1"; then
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AC_MSG_ERROR([$2 is required])
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fi
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])
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NEED_PROG(curl, curl)
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NEED_PROG(bzip2, bzip2)
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NEED_PROG(bunzip2, bunzip2)
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NEED_PROG(shell, sh)
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AC_PATH_PROG(xmllint, xmllint, false)
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AC_PATH_PROG(xsltproc, xsltproc, false)
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AC_PATH_PROG(flex, flex, false)
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AC_PATH_PROG(bison, bison, false)
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NEED_PROG(perl, perl)
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AC_ARG_WITH(docbook-catalog, AC_HELP_STRING([--with-docbook-catalog=PATH],
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[path of the DocBook XML DTD]),
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docbookcatalog=$withval, docbookcatalog=/docbook-dtd-missing)
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AC_SUBST(docbookcatalog)
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AC_ARG_WITH(docbook-ebnf-catalog, AC_HELP_STRING([--with-docbook-ebnf-catalog=PATH],
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[path of the DocBook XML EBNF module DTD]),
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docbookebnfcatalog=$withval, docbookcatalog=/docbook-ebnf-dtd-missing)
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AC_SUBST(docbookebnfcatalog)
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AC_ARG_WITH(docbook-xsl, AC_HELP_STRING([--with-docbook-xsl=PATH],
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[path of the DocBook XSL stylesheets]),
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docbookxsl=$withval, docbookxsl=/docbook-xsl-missing)
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AC_SUBST(docbookxsl)
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AC_ARG_WITH(xml-flags, AC_HELP_STRING([--with-xml-flags=FLAGS],
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[extra flags to be passed to xmllint and xsltproc]),
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xmlflags=$withval, xmlflags=)
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AC_SUBST(xmlflags)
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AC_ARG_WITH(store-dir, AC_HELP_STRING([--with-store-dir=PATH],
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[path of the Nix store]),
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storedir=$withval, storedir='${prefix}/store')
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AC_SUBST(storedir)
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AC_ARG_WITH(bdb, AC_HELP_STRING([--with-bdb=PATH],
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[prefix of Berkeley DB]),
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bdb=$withval, bdb=)
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AM_CONDITIONAL(HAVE_BDB, test -n "$bdb")
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if test -z "$bdb"; then
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bdb_lib='-L${top_builddir}/externals/inst-bdb/lib -ldb_cxx'
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bdb_include='-I${top_builddir}/externals/inst-bdb/include'
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else
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bdb_lib="-L$bdb/lib -ldb_cxx"
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bdb_include="-I$bdb/include"
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fi
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AC_SUBST(bdb_lib)
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AC_SUBST(bdb_include)
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AC_ARG_WITH(aterm, AC_HELP_STRING([--with-aterm=PATH],
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[prefix of CWI ATerm library]),
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aterm=$withval, aterm=)
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AM_CONDITIONAL(HAVE_ATERM, test -n "$aterm")
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if test -z "$aterm"; then
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aterm_lib='-L${top_builddir}/externals/inst-aterm/lib -lATerm'
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aterm_include='-I${top_builddir}/externals/inst-aterm/include'
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else
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aterm_lib="-L$aterm/lib -lATerm"
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aterm_include="-I$aterm/include"
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fi
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AC_SUBST(aterm_lib)
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AC_SUBST(aterm_include)
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AC_CHECK_LIB(pthread, pthread_mutex_init)
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AC_ARG_ENABLE(init-state, AC_HELP_STRING([--disable-init-state],
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[do not initialise DB etc. in `make install']),
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init_state=$enableval, init_state=yes)
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AM_CONDITIONAL(INIT_STATE, test "$init_state" = "yes")
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AC_ARG_ENABLE(setuid, AC_HELP_STRING([--enable-setuid],
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[install Nix setuid]),
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setuid_hack=$enableval, setuid_hack=no)
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AM_CONDITIONAL(SETUID_HACK, test "$setuid_hack" = "yes")
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if test "$setuid_hack" = "yes"; then
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AC_DEFINE(SETUID_HACK, 1, [whether to install Nix setuid])
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fi
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AC_CHECK_FUNC(setresuid, [HAVE_SETRESUID=1], [HAVE_SETRESUID=])
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AM_CONDITIONAL(HAVE_SETRESUID, test "$HAVE_SETRESUID" = "1")
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if test "$HAVE_SETRESUID" = "1"; then
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AC_DEFINE(HAVE_SETRESUID, 1, [whether we have setresuid()])
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fi
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AC_ARG_WITH(nix-user, AC_HELP_STRING([--with-nix-user=USER],
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[user for Nix setuid binaries]),
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NIX_USER=$withval, NIX_USER=nix)
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AC_SUBST(NIX_USER)
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AC_DEFINE_UNQUOTED(NIX_USER, ["$NIX_USER"], [Nix user])
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AC_ARG_WITH(nix-group, AC_HELP_STRING([--with-nix-group=USER],
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[group for Nix setuid binaries]),
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NIX_GROUP=$withval, NIX_GROUP=nix)
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AC_SUBST(NIX_GROUP)
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AC_DEFINE_UNQUOTED(NIX_GROUP, ["$NIX_GROUP"], [Nix group])
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AM_CONFIG_HEADER([config.h])
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AC_CONFIG_FILES([Makefile
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externals/Makefile
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src/Makefile
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src/bin2c/Makefile
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src/boost/Makefile
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src/boost/format/Makefile
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src/libutil/Makefile
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src/libstore/Makefile
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src/libmain/Makefile
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src/nix-store/Makefile
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src/nix-hash/Makefile
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src/libexpr/Makefile
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src/nix-instantiate/Makefile
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src/nix-env/Makefile
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src/log2xml/Makefile
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scripts/Makefile
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corepkgs/Makefile
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corepkgs/fetchurl/Makefile
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corepkgs/nar/Makefile
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corepkgs/buildenv/Makefile
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corepkgs/channels/Makefile
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corepkgs/nix-pull/Makefile
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doc/Makefile
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doc/manual/Makefile
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misc/Makefile
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misc/emacs/Makefile
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tests/Makefile
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])
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AC_OUTPUT
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