Mark generated files as "DO NOT EDIT".

diff --git a/ChangeLog b/ChangeLog
index 7555b06..023eb6a 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,28 @@
+2006-10-07  Bruno Haible  <bruno@clisp.org>
+
+       * modules/alloca-opt (alloca.h): Add a "BO NOT EDIT" comment.
+       * modules/argz (argz.h): Likewise.
+       * modules/arpa_inet (arpa/inet.h): Likewise.
+       * modules/byteswap (byteswap.h): Likewise.
+       * modules/configmake (configmake.h): Likewise.
+       * modules/fcntl (fcntl.h): Likewise.
+       * modules/fnmatch (fnmatch.h): Likewise.
+       * modules/getopt (getopt.h): Likewise.
+       * modules/glob (glob.h): Likewise.
+       * modules/inttypes (inttypes.h): Likewise.
+       * modules/netinet_in (netinet/in.h): Likewise.
+       * modules/poll (poll.h): Likewise.
+       * modules/stdbool (stdbool.h): Likewise.
+       * modules/stdint (stdint.h): Likewise.
+       * modules/sys_select (sys/select.h): Likewise.
+       * modules/sys_socket (sys/socket.h): Likewise.
+       * modules/sys_stat (sys/stat.h): Likewise.
+       * modules/sysexits (sysexits.h): Likewise.
+       * modules/unistd (unistd.h): Likewise.
+       * gnulib-tool (func_emit_lib_Makefile_am, func_emit_tests_Makefile_am):
+       Add a "BO NOT EDIT" comment to the generated file.
+       (func_import): Likewise for gnulib-comp.m4.
+
 2006-10-03  Bruno Haible  <bruno@clisp.org>
 
        * modules/sublist: New file.

diff --git a/gnulib-tool b/gnulib-tool
index 5d39ed8..4fb7d5e 100755 (executable)
--- a/gnulib-tool
+++ b/gnulib-tool
@@ -22,7 +22,7 @@
 
 progname=$0
 package=gnulib
-cvsdatestamp='$Date: 2006-10-02 11:40:10 $'
+cvsdatestamp='$Date: 2006-10-07 14:54:51 $'
 last_checkin_date=`echo "$cvsdatestamp" | sed -e 's,^\$[D]ate: ,,'`
 version=`echo "$last_checkin_date" | sed -e 's/ .*$//' -e 's,/,-,g'`
 nl='
@@ -1086,6 +1086,7 @@ func_emit_lib_Makefile_am ()
     perhapsLT=
     sed_eliminate_LDFLAGS='/^lib_LDFLAGS[       ]*+=/d'
   fi
+  echo "## DO NOT EDIT! GENERATED AUTOMATICALLY!"
   echo "## Process this file with automake to produce Makefile.in."
   func_emit_copyright_notice
   if test -n "$actioncmd"; then
@@ -1199,6 +1200,7 @@ func_emit_tests_Makefile_am ()
     sed_eliminate_LDFLAGS='/^lib_LDFLAGS[       ]*+=/d'
   fi
   testsbase_inverse=`echo "$testsbase" | sed -e 's,/$,,' | sed -e 's,[^/][^/]*,..,g'`
+  echo "## DO NOT EDIT! GENERATED AUTOMATICALLY!"
   echo "## Process this file with automake to produce Makefile.in."
   func_emit_copyright_notice
   echo
@@ -1846,6 +1848,7 @@ func_import ()
   # Create m4/gnulib-comp.m4.
   func_dest_tmpfilename $m4base/gnulib-comp.m4
   (
+    echo "# DO NOT EDIT! GENERATED AUTOMATICALLY!"
     func_emit_copyright_notice
     echo "#"
     echo "# This file represents the compiled summary of the specification in"

diff --git a/modules/alloca-opt b/modules/alloca-opt
index ae0084c..895741b 100644 (file)
--- a/modules/alloca-opt
+++ b/modules/alloca-opt
@@ -19,7 +19,9 @@ EXTRA_DIST += alloca_.h
 # We need the following in order to create <alloca.h> when the system
 # doesn't have one that works with the given compiler.
 alloca.h: alloca_.h
-       cp -f $(srcdir)/alloca_.h $@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         cat $(srcdir)/alloca_.h; \
+       } > $@-t
        mv -f $@-t $@
 MOSTLYCLEANFILES += alloca.h alloca.h-t
 

diff --git a/modules/argz b/modules/argz
index 63a6a29..d516b5f 100644 (file)
--- a/modules/argz
+++ b/modules/argz
@@ -18,7 +18,9 @@ EXTRA_DIST += argz_.h
 # We need the following in order to create <argz.h> when the system
 # doesn't have one that works with the given compiler.
 argz.h: argz_.h
-       cp -f $(srcdir)/argz_.h $@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         cat $(srcdir)/argz_.h; \
+       } > $@-t
        mv -f $@-t $@
 MOSTLYCLEANFILES += argz.h argz.h-t
 

diff --git a/modules/arpa_inet b/modules/arpa_inet
index cbbae09..250c15b 100644 (file)
--- a/modules/arpa_inet
+++ b/modules/arpa_inet
@@ -18,7 +18,9 @@ BUILT_SOURCES += $(ARPA_INET_H)
 arpa/inet.h:
        test -d arpa || mkdir arpa
        rm -f $@-t $@
-       echo '#include <sys/socket.h>' >$@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         echo '#include <sys/socket.h>'; \
+       } > $@-t
        mv $@-t $@
 MOSTLYCLEANFILES += arpa/inet.h arpa/inet.h-t
 MOSTLYCLEANDIRS += arpa

diff --git a/modules/byteswap b/modules/byteswap
index 3f50ab6..d76542d 100644 (file)
--- a/modules/byteswap
+++ b/modules/byteswap
@@ -17,7 +17,9 @@ EXTRA_DIST += byteswap_.h
 # We need the following in order to create <byteswap.h> when the system
 # doesn't have one.
 byteswap.h: byteswap_.h
-       cp -f $(srcdir)/byteswap_.h $@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         cat $(srcdir)/byteswap_.h; \
+       } > $@-t
        mv -f $@-t $@
 MOSTLYCLEANFILES += byteswap.h byteswap.h-t
 

diff --git a/modules/configmake b/modules/configmake
index c0354e4..a19d29b 100644 (file)
--- a/modules/configmake
+++ b/modules/configmake
@@ -27,7 +27,7 @@ Makefile.am:
 # listed in the Automake documentation.
 configmake.h: Makefile
        rm -f $@-t $@
-       ( \
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
          echo '#define PREFIX "$(prefix)"'; \
          echo '#define EXEC_PREFIX "$(exec_prefix)"'; \
          echo '#define BINDIR "$(bindir)"'; \
@@ -54,7 +54,7 @@ configmake.h: Makefile
          echo '#define PKGLIBDIR "$(pkglibdir)"'; \
          echo '#define PKGINCLUDEDIR "$(pkgincludedir)"'; \
          echo '#define PKGDATADIR "$(pkgdatadir)"'; \
-       :) | sed '/""/d' >$@-t
+       } | sed '/""/d' > $@-t
        mv $@-t $@
 BUILT_SOURCES += configmake.h
 CLEANFILES += configmake.h configmake.h-t

diff --git a/modules/fcntl b/modules/fcntl
index 357bdfa..350ca50 100644 (file)
--- a/modules/fcntl
+++ b/modules/fcntl
@@ -20,8 +20,10 @@ EXTRA_DIST += fcntl_.h
 # doesn't have one that works with the given compiler.
 fcntl.h: fcntl_.h
        rm -f $@-t $@
-       sed -e 's|@''ABSOLUTE_FCNTL_H''@|$(ABSOLUTE_FCNTL_H)|g' \
-           < $(srcdir)/fcntl_.h > $@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         sed -e 's|@''ABSOLUTE_FCNTL_H''@|$(ABSOLUTE_FCNTL_H)|g' \
+             < $(srcdir)/fcntl_.h; \
+       } > $@-t
        mv $@-t $@
 MOSTLYCLEANFILES += fcntl.h fcntl.h-t
 

diff --git a/modules/fnmatch b/modules/fnmatch
index 83bd17e..c086b19 100644 (file)
--- a/modules/fnmatch
+++ b/modules/fnmatch
@@ -22,7 +22,9 @@ EXTRA_DIST += fnmatch_.h fnmatch_loop.c
 # We need the following in order to create <fnmatch.h> when the system
 # doesn't have one that supports the required API.
 fnmatch.h: fnmatch_.h
-       cp -f $(srcdir)/fnmatch_.h $@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         cat $(srcdir)/fnmatch_.h; \
+       } > $@-t
        mv -f $@-t $@
 MOSTLYCLEANFILES += fnmatch.h fnmatch.h-t
 

diff --git a/modules/getopt b/modules/getopt
index ee754bc..bf1da55 100644 (file)
--- a/modules/getopt
+++ b/modules/getopt
@@ -22,7 +22,9 @@ EXTRA_DIST += getopt_.h getopt_int.h
 # We need the following in order to create <getopt.h> when the system
 # doesn't have one that works with the given compiler.
 getopt.h: getopt_.h
-       cp -f $(srcdir)/getopt_.h $@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         cat $(srcdir)/getopt_.h; \
+       } > $@-t
        mv -f $@-t $@
 MOSTLYCLEANFILES += getopt.h getopt.h-t
 

diff --git a/modules/glob b/modules/glob
index 2dc8ce1..77a6da0 100644 (file)
--- a/modules/glob
+++ b/modules/glob
@@ -30,7 +30,9 @@ EXTRA_DIST += glob_.h glob-libc.h
 # We need the following in order to create <glob.h> when the system
 # doesn't have one that works with the given compiler.
 glob.h: glob_.h
-       cp -f $(srcdir)/glob_.h $@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         cat $(srcdir)/glob_.h; \
+       } > $@-t
        mv -f $@-t $@
 MOSTLYCLEANFILES += glob.h glob.h-t
 

diff --git a/modules/inttypes b/modules/inttypes
index a5b9358..d61614b 100644 (file)
--- a/modules/inttypes
+++ b/modules/inttypes
@@ -21,16 +21,18 @@ EXTRA_DIST += inttypes_.h
 # doesn't have one that works with the given compiler.
 inttypes.h: inttypes_.h
        rm -f $@-t $@
-       sed -e 's/@''HAVE_INTTYPES_H''@/$(HAVE_INTTYPES_H)/g' \
-           -e 's|@''ABSOLUTE_INTTYPES_H''@|$(ABSOLUTE_INTTYPES_H)|g' \
-           -e 's/@''PRI_MACROS_BROKEN''@/$(PRI_MACROS_BROKEN)/g' \
-           -e 's/@''HAVE_LONG_LONG_INT''@/$(HAVE_LONG_LONG_INT)/g' \
-           -e 's/@''PRIPTR_PREFIX''@/$(PRIPTR_PREFIX)/g' \
-           -e 's/@''HAVE_DECL_IMAXABS''@/$(HAVE_DECL_IMAXABS)/g' \
-           -e 's/@''HAVE_DECL_IMAXDIV''@/$(HAVE_DECL_IMAXDIV)/g' \
-           -e 's/@''HAVE_DECL_STRTOIMAX''@/$(HAVE_DECL_STRTOIMAX)/g' \
-           -e 's/@''HAVE_DECL_STRTOUMAX''@/$(HAVE_DECL_STRTOUMAX)/g' \
-           < $(srcdir)/inttypes_.h > $@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         sed -e 's/@''HAVE_INTTYPES_H''@/$(HAVE_INTTYPES_H)/g' \
+             -e 's/@''ABSOLUTE_INTTYPES_H''@/$(ABSOLUTE_INTTYPES_H)/g' \
+             -e 's/@''PRI_MACROS_BROKEN''@/$(PRI_MACROS_BROKEN)/g' \
+             -e 's/@''HAVE_LONG_LONG_INT''@/$(HAVE_LONG_LONG_INT)/g' \
+             -e 's/@''PRIPTR_PREFIX''@/$(PRIPTR_PREFIX)/g' \
+             -e 's/@''HAVE_DECL_IMAXABS''@/$(HAVE_DECL_IMAXABS)/g' \
+             -e 's/@''HAVE_DECL_IMAXDIV''@/$(HAVE_DECL_IMAXDIV)/g' \
+             -e 's/@''HAVE_DECL_STRTOIMAX''@/$(HAVE_DECL_STRTOIMAX)/g' \
+             -e 's/@''HAVE_DECL_STRTOUMAX''@/$(HAVE_DECL_STRTOUMAX)/g' \
+             < $(srcdir)/inttypes_.h; \
+       } > $@-t
        mv $@-t $@
 MOSTLYCLEANFILES += inttypes.h inttypes.h-t
 

diff --git a/modules/netinet_in b/modules/netinet_in
index f65dbcc..2aac90e 100644 (file)
--- a/modules/netinet_in
+++ b/modules/netinet_in
@@ -18,7 +18,9 @@ BUILT_SOURCES += $(NETINET_IN_H)
 netinet/in.h:
        test -d netinet || mkdir netinet
        rm -f $@-t $@
-       echo '#include <sys/socket.h>' >$@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         echo '#include <sys/socket.h>'; \
+       } > $@-t
        mv $@-t $@
 MOSTLYCLEANFILES += netinet/in.h netinet/in.h-t
 MOSTLYCLEANDIRS += netinet

diff --git a/modules/poll b/modules/poll
index 9784c43..9fad24d 100644 (file)
--- a/modules/poll
+++ b/modules/poll
@@ -18,7 +18,9 @@ EXTRA_DIST += poll_.h
 # We need the following in order to create <poll.h> when the system
 # doesn't have one.
 poll.h: poll_.h
-       cp -f $(srcdir)/poll_.h $@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         cat $(srcdir)/poll_.h; \
+       } > $@-t
        mv -f $@-t $@
 MOSTLYCLEANFILES += poll.h poll.h-t
 

diff --git a/modules/stdbool b/modules/stdbool
index 51fc36f..00e63c8 100644 (file)
--- a/modules/stdbool
+++ b/modules/stdbool
@@ -19,7 +19,9 @@ EXTRA_DIST += stdbool_.h
 # doesn't have one that works.
 stdbool.h: stdbool_.h
        rm -f $@-t $@
-       sed -e 's/@''HAVE__BOOL''@/$(HAVE__BOOL)/g' < $(srcdir)/stdbool_.h > $@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         sed -e 's/@''HAVE__BOOL''@/$(HAVE__BOOL)/g' < $(srcdir)/stdbool_.h; \
+       } > $@-t
        mv $@-t $@
 MOSTLYCLEANFILES += stdbool.h stdbool.h-t
 

diff --git a/modules/stdint b/modules/stdint
index d7dd073..df793ee 100644 (file)
--- a/modules/stdint
+++ b/modules/stdint
@@ -25,28 +25,30 @@ EXTRA_DIST += stdint_.h
 # doesn't have one that works with the given compiler.
 stdint.h: stdint_.h
        rm -f $@-t $@
-       sed -e 's/@''HAVE_WCHAR_H''@/$(HAVE_WCHAR_H)/g' \
-           -e 's/@''HAVE_STDINT_H''@/$(HAVE_STDINT_H)/g' \
-           -e 's|@''ABSOLUTE_STDINT_H''@|$(ABSOLUTE_STDINT_H)|g' \
-           -e 's/@''HAVE_SYS_TYPES_H''@/$(HAVE_SYS_TYPES_H)/g' \
-           -e 's/@''HAVE_INTTYPES_H''@/$(HAVE_INTTYPES_H)/g' \
-           -e 's/@''HAVE_SYS_INTTYPES_H''@/$(HAVE_SYS_INTTYPES_H)/g' \
-           -e 's/@''HAVE_SYS_BITYPES_H''@/$(HAVE_SYS_BITYPES_H)/g' \
-           -e 's/@''HAVE_LONG_LONG_INT''@/$(HAVE_LONG_LONG_INT)/g' \
-           -e 's/@''BITSIZEOF_PTRDIFF_T''@/$(BITSIZEOF_PTRDIFF_T)/g' \
-           -e 's/@''PTRDIFF_T_SUFFIX''@/$(PTRDIFF_T_SUFFIX)/g' \
-           -e 's/@''BITSIZEOF_SIG_ATOMIC_T''@/$(BITSIZEOF_SIG_ATOMIC_T)/g' \
-           -e 's/@''HAVE_SIGNED_SIG_ATOMIC_T''@/$(HAVE_SIGNED_SIG_ATOMIC_T)/g' \
-           -e 's/@''SIG_ATOMIC_T_SUFFIX''@/$(SIG_ATOMIC_T_SUFFIX)/g' \
-           -e 's/@''BITSIZEOF_SIZE_T''@/$(BITSIZEOF_SIZE_T)/g' \
-           -e 's/@''SIZE_T_SUFFIX''@/$(SIZE_T_SUFFIX)/g' \
-           -e 's/@''BITSIZEOF_WCHAR_T''@/$(BITSIZEOF_WCHAR_T)/g' \
-           -e 's/@''HAVE_SIGNED_WCHAR_T''@/$(HAVE_SIGNED_WCHAR_T)/g' \
-           -e 's/@''WCHAR_T_SUFFIX''@/$(WCHAR_T_SUFFIX)/g' \
-           -e 's/@''BITSIZEOF_WINT_T''@/$(BITSIZEOF_WINT_T)/g' \
-           -e 's/@''HAVE_SIGNED_WINT_T''@/$(HAVE_SIGNED_WINT_T)/g' \
-           -e 's/@''WINT_T_SUFFIX''@/$(WINT_T_SUFFIX)/g' \
-           < $(srcdir)/stdint_.h > $@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         sed -e 's/@''HAVE_WCHAR_H''@/$(HAVE_WCHAR_H)/g' \
+             -e 's/@''HAVE_STDINT_H''@/$(HAVE_STDINT_H)/g' \
+             -e 's|@''ABSOLUTE_STDINT_H''@|$(ABSOLUTE_STDINT_H)|g' \
+             -e 's/@''HAVE_SYS_TYPES_H''@/$(HAVE_SYS_TYPES_H)/g' \
+             -e 's/@''HAVE_INTTYPES_H''@/$(HAVE_INTTYPES_H)/g' \
+             -e 's/@''HAVE_SYS_INTTYPES_H''@/$(HAVE_SYS_INTTYPES_H)/g' \
+             -e 's/@''HAVE_SYS_BITYPES_H''@/$(HAVE_SYS_BITYPES_H)/g' \
+             -e 's/@''HAVE_LONG_LONG_INT''@/$(HAVE_LONG_LONG_INT)/g' \
+             -e 's/@''BITSIZEOF_PTRDIFF_T''@/$(BITSIZEOF_PTRDIFF_T)/g' \
+             -e 's/@''PTRDIFF_T_SUFFIX''@/$(PTRDIFF_T_SUFFIX)/g' \
+             -e 's/@''BITSIZEOF_SIG_ATOMIC_T''@/$(BITSIZEOF_SIG_ATOMIC_T)/g' \
+             -e 's/@''HAVE_SIGNED_SIG_ATOMIC_T''@/$(HAVE_SIGNED_SIG_ATOMIC_T)/g' \
+             -e 's/@''SIG_ATOMIC_T_SUFFIX''@/$(SIG_ATOMIC_T_SUFFIX)/g' \
+             -e 's/@''BITSIZEOF_SIZE_T''@/$(BITSIZEOF_SIZE_T)/g' \
+             -e 's/@''SIZE_T_SUFFIX''@/$(SIZE_T_SUFFIX)/g' \
+             -e 's/@''BITSIZEOF_WCHAR_T''@/$(BITSIZEOF_WCHAR_T)/g' \
+             -e 's/@''HAVE_SIGNED_WCHAR_T''@/$(HAVE_SIGNED_WCHAR_T)/g' \
+             -e 's/@''WCHAR_T_SUFFIX''@/$(WCHAR_T_SUFFIX)/g' \
+             -e 's/@''BITSIZEOF_WINT_T''@/$(BITSIZEOF_WINT_T)/g' \
+             -e 's/@''HAVE_SIGNED_WINT_T''@/$(HAVE_SIGNED_WINT_T)/g' \
+             -e 's/@''WINT_T_SUFFIX''@/$(WINT_T_SUFFIX)/g' \
+             < $(srcdir)/stdint_.h; \
+       } > $@-t
        mv $@-t $@
 MOSTLYCLEANFILES += stdint.h stdint.h-t
 

diff --git a/modules/sys_select b/modules/sys_select
index 80dc8fa..76ae6f9 100644 (file)
--- a/modules/sys_select
+++ b/modules/sys_select
@@ -18,7 +18,9 @@ BUILT_SOURCES += $(SYS_SELECT_H)
 sys/select.h:
        test -d sys || mkdir sys
        rm -f $@-t $@
-       echo '#include <sys/socket.h>' >$@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         echo '#include <sys/socket.h>'; \
+       } > $@-t
        mv $@-t $@
 MOSTLYCLEANFILES += sys/select.h sys/select.h-t
 MOSTLYCLEANDIRS += sys

diff --git a/modules/sys_socket b/modules/sys_socket
index a27b87c..7700769 100644 (file)
--- a/modules/sys_socket
+++ b/modules/sys_socket
@@ -19,7 +19,9 @@ EXTRA_DIST += socket_.h
 # doesn't have one that works with the given compiler.
 sys/socket.h: socket_.h
        test -d sys || mkdir sys
-       cp -f $(srcdir)/socket_.h $@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         cat $(srcdir)/socket_.h; \
+       } > $@-t
        mv -f $@-t $@
 MOSTLYCLEANFILES += sys/socket.h sys/socket.h-t
 MOSTLYCLEANDIRS += sys

diff --git a/modules/sys_stat b/modules/sys_stat
index 4fc957f..4a50c13 100644 (file)
--- a/modules/sys_stat
+++ b/modules/sys_stat
@@ -20,8 +20,10 @@ EXTRA_DIST += stat_.h
 sys/stat.h: stat_.h
        test -d sys || mkdir sys
        rm -f $@-t $@
-       sed -e 's|@''ABSOLUTE_SYS_STAT_H''@|$(ABSOLUTE_SYS_STAT_H)|g' \
-           < $(srcdir)/stat_.h > $@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         sed -e 's|@''ABSOLUTE_SYS_STAT_H''@|$(ABSOLUTE_SYS_STAT_H)|g' \
+             < $(srcdir)/stat_.h; \
+       } > $@-t
        mv $@-t $@
 MOSTLYCLEANFILES += sys/stat.h sys/stat.h-t
 MOSTLYCLEANDIRS += sys

diff --git a/modules/sysexits b/modules/sysexits
index 2872e36..4ddacab 100644 (file)
--- a/modules/sysexits
+++ b/modules/sysexits
@@ -17,7 +17,9 @@ EXTRA_DIST += sysexit_.h
 # We need the following in order to create <sysexits.h> when the system
 # doesn't have one that works with the given compiler.
 sysexits.h: sysexit_.h
-       cp -f $(srcdir)/sysexit_.h $@-t
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         cat $(srcdir)/sysexit_.h; \
+       } > $@-t
        mv -f $@-t $@
 MOSTLYCLEANFILES += sysexits.h sysexits.h-t
 

diff --git a/modules/unistd b/modules/unistd
index f54499f..177b95c 100644 (file)
--- a/modules/unistd
+++ b/modules/unistd
@@ -15,7 +15,9 @@ BUILT_SOURCES += $(UNISTD_H)
 # We need the following in order to create an empty placeholder for
 # <unistd.h> when the system doesn't have one.
 unistd.h:
-       echo '/* Empty placeholder for $@.  */' >$@
+       { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+         echo '/* Empty placeholder for $@.  */'; \
+       } > $@
 MOSTLYCLEANFILES += unistd.h
 
 Include: