X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=gnulib-tool;h=2d992bc9eb2ace4616d76372502595f33e0eb721;hb=76bd5cd5304484617bd8b15bfc8a59b0264482b8;hp=6064c31e360e591e49979f34dc7359b51a4811a3;hpb=c1fc666e073ac48d0e4a5d745c6172a0b03541c2;p=gnulib.git

diff --git a/gnulib-tool b/gnulib-tool
index 6064c31e3..2d992bc9e 100755
--- a/gnulib-tool
+++ b/gnulib-tool
@@ -22,7 +22,7 @@
 
 progname=$0
 package=gnulib
-cvsdatestamp='$Date: 2004-10-15 15:28:43 $'
+cvsdatestamp='$Date: 2004-10-17 17:50:25 $'
 last_checkin_date=`echo "$cvsdatestamp" | sed -e 's,^\$[D]ate: ,,'`
 version=`echo "$last_checkin_date" | sed -e 's/ .*$//' -e 's,/,-,g'`
 
@@ -357,21 +357,13 @@ func_get_maintainer ()
   sed -n -e "/^Maintainer$sed_extract_prog" < "$gnulib_dir/modules/$1"
 }
 
-# func_import modules
-# Uses also the variables
-# - destdir         target directory
-# - libname         library name
-# - sourcebase      directory relative to destdir where to place source code
-# - m4base          directory relative to destdir where to place *.m4 macros
-# - lgpl            true if library's license shall be LGPL, blank otherwise
-# - dry_run         true if actions shall only be printed, blank otherwise
-# - supplied_opts   all options passed to gnulib-tool
-func_import ()
+# func_modules_transitive_closure
+# Input:
+# - modules         list of specified modules
+# Output:
+# - modules         list of modules, including dependencies
+func_modules_transitive_closure ()
 {
-  modules="$1"
-  modules=`for m in $modules; do echo $m; done | sort | uniq`
-
-  # Determine final module list.
   while true; do
     xmodules=
     for module in $modules; do
@@ -391,13 +383,122 @@ func_import ()
     fi
     modules="$xmodules"
   done
+}
+
+# func_modules_to_filelist
+# Input:
+# - modules         list of modules, including dependencies
+# Output:
+# - files           list of files
+func_modules_to_filelist ()
+{
+  files=
+  for module in $modules; do
+    func_verify_module
+    if test -n "$module"; then
+      files="$files "`func_get_filelist $module`
+    fi
+  done
+  files=`for f in $files; do echo $f; done | sort | uniq`
+}
+
+# func_emit_lib_Makefile_am
+# emits the contents of lib/Makefile.am to standard output.
+# Input:
+# - modules         list of modules, including dependencies
+# - libname         library name
+# - libtool         true if libtool will be used, blank otherwise
+# - cmd             (optional) command that led to this invocation
+# - actioncmd       (optional) command that will reproduce this invocation
+func_emit_lib_Makefile_am ()
+{
+  if test -n "$libtool"; then
+    libext=la
+    perhapsLT=LT
+  else
+    libext=a
+    perhapsLT=
+  fi
+  echo "## Process this file with automake to produce Makefile.in."
+  echo "# Copyright (C) 2004 Free Software Foundation, Inc."
+  echo "#"
+  echo "# This file is free software, distributed under the terms of the GNU"
+  echo "# General Public License.  As a special exception to the GNU General"
+  echo "# Public License, this file may be distributed as part of a program"
+  echo "# that contains a configuration script generated by Automake, under"
+  echo "# the same distribution terms as the rest of that program."
+  echo "#"
+  echo "# Generated by gnulib-tool."
+  if test -n "$cmd"; then
+    echo "# Invoked as: $cmd"
+  fi
+  if test -n "$actioncmd"; then
+    echo "# Reproduce by: $actioncmd"
+  fi
+  echo
+  # No need to generate dependencies since the sources are in gnulib, not here.
+  echo "AUTOMAKE_OPTIONS = 1.5 gnits no-dependencies"
+  echo
+  echo "noinst_${perhapsLT}LIBRARIES = $libname.$libext"
+  echo
+  echo "${libname}_${libext}_SOURCES ="
+  echo "${libname}_${libext}_LIBADD = @${perhapsLT}LIBOBJS@"
+  echo "EXTRA_DIST ="
+  echo "BUILT_SOURCES ="
+  echo "SUFFIXES ="
+  echo "MOSTLYCLEANFILES ="
+  echo "CLEANFILES ="
+  echo "DISTCLEANFILES ="
+  echo "MAINTAINERCLEANFILES ="
+  echo
+  for module in $modules; do
+    func_verify_module
+    if test -n "$module"; then
+      {
+        func_get_automake_snippet "$module" | sed -e "s,lib_SOURCES,${libname}_${libext}_SOURCES,g" -e "s,lib_OBJECTS,${libname}_${libext}_OBJECTS,g"
+        if test "$module" = 'alloca'; then
+          echo "${libname}_${libext}_LIBADD += @${perhapsLT}ALLOCA@"
+        fi
+      } > amsnippet.tmp
+      # Skip the contents if its entirely empty.
+      if grep '[^ 	]' amsnippet.tmp > /dev/null ; then
+        echo "## begin gnulib module $module"
+        echo
+        cat amsnippet.tmp
+        echo "## end   gnulib module $module"
+        echo
+      fi
+      rm -f amsnippet.tmp
+    fi
+  done
+  echo
+  echo "# Makefile.am ends here"
+}
+
+# func_import modules
+# Uses also the variables
+# - destdir         target directory
+# - libname         library name
+# - sourcebase      directory relative to destdir where to place source code
+# - m4base          directory relative to destdir where to place *.m4 macros
+# - libtool         true if libtool will be used, blank otherwise
+# - lgpl            true if library's license shall be LGPL, blank otherwise
+# - dry_run         true if actions shall only be printed, blank otherwise
+# - supplied_opts   all options passed to gnulib-tool
+func_import ()
+{
+  modules="$1"
+  modules=`for m in $modules; do echo $m; done | sort | uniq`
+
+  # Determine final module list.
+  func_modules_transitive_closure
   echo "Module list with included dependencies:"
   echo "$modules" | sed -e 's/^/  /'
 
   # If --lgpl, check the license of modules are compatible.
   if test -n "$lgpl"; then
     for module in $modules; do
-      license=`sed -n -e "/^License$sed_extract_prog" < "$gnulib_dir/modules/$module"`
+      license=`func_get_license $module`
       if test $license != LGPL; then
         func_fatal_error "incompatible license on module \`$module\`: $license"
       fi
@@ -405,14 +506,7 @@ func_import ()
   fi
 
   # Determine final file list.
-  files=
-  for module in $modules; do
-    func_verify_module
-    if test -n "$module"; then
-      files="$files "`func_get_filelist $module`
-    fi
-  done
-  files=`for f in $files; do echo $f; done | sort | uniq`
+  func_modules_to_filelist
   echo "File list:"
   echo "$files" | sed -e 's/^/  /'
 
@@ -431,7 +525,7 @@ func_import ()
     test -n "$dry_run" && dry=echo
     $dry cp -p "$gnulib_dir/$f" "$destdir/$g"
     # Update license.
-    if test -z "$dry_run" -a -n "$lgpl" -a -n "$source"; then
+    if test -z "$dry_run" && test -n "$lgpl" && test -n "$source"; then
       perl -pi -e 's/GNU General/GNU Lesser General/g;' \
                -e 's/version 2([ ,])/version 2.1\1/g' \
                $destdir/$g
@@ -444,6 +538,7 @@ func_import ()
   if test -n "$libtool"; then
     opt_libtool="--libtool"
   fi
+  opt_lgpl=
   if test -n "$lgpl"; then
     opt_lgpl="--lgpl"
   fi
@@ -451,58 +546,11 @@ func_import ()
 
   # Create lib/Makefile.am.
   echo "Creating $destdir/$sourcebase/Makefile.am..."
-  if test -n "$libtool"; then
-    libext=la
-    perhapsLT=LT
+  if test -z "$dry_run"; then
+    func_emit_lib_Makefile_am > $destdir/$sourcebase/Makefile.am
   else
-    libext=a
-    perhapsLT=
+    func_emit_lib_Makefile_am
   fi
-  (
-    if test -z "$dry_run"; then
-      exec > $destdir/$sourcebase/Makefile.am
-    else
-      echo "# $destdir/$sourcebase/Makefile.am"
-    fi
-    echo "## Process this file with automake to produce Makefile.in."
-    echo "# Copyright (C) 2004 Free Software Foundation, Inc."
-    echo "#"
-    echo "# This file is free software, distributed under the terms of the GNU"
-    echo "# General Public License.  As a special exception to the GNU General"
-    echo "# Public License, this file may be distributed as part of a program"
-    echo "# that contains a configuration script generated by Automake, under"
-    echo "# the same distribution terms as the rest of that program."
-    echo "#"
-    echo "# Generated by gnulib-tool."
-    echo "#"
-    echo "# Invoked as: $cmd"
-    echo "# Reproduce by: $actioncmd"
-    echo
-    echo "AUTOMAKE_OPTIONS = 1.8 gnits"
-    echo
-    echo "noinst_${perhapsLT}LIBRARIES = $libname.$libext"
-    echo
-    echo "${libname}_${libext}_SOURCES ="
-    echo "${libname}_${libext}_LIBADD = @${perhapsLT}LIBOBJS@"
-    echo "EXTRA_DIST ="
-    echo "BUILT_SOURCES ="
-    echo "SUFFIXES ="
-    echo "MOSTLYCLEANFILES ="
-    echo "CLEANFILES ="
-    echo "DISTCLEANFILES ="
-    echo "MAINTAINERCLEANFILES ="
-    for module in $modules; do
-      func_verify_module
-      if test -n "$module"; then
-        func_get_automake_snippet "$module" | sed -e "s,lib_SOURCES,${libname}_${libext}_SOURCES,g" -e "s,lib_OBJECTS,${libname}_${libext}_OBJECTS,g"
-        if test "$module" = 'alloca'; then
-          echo "${libname}_${libext}_LIBADD += @ALLOCA@"
-        fi
-      fi
-    done
-    echo
-    echo "# Makefile.am ends here"
-  )
 
   # Create gnulib.m4.
   echo "Creating $destdir/$m4base/gnulib.m4..."
@@ -540,6 +588,12 @@ func_import ()
       func_verify_module
       if test -n "$module"; then
         func_get_autoconf_snippet "$module" | sed -e '/^$/d;' -e 's/^/  /' -e 's/AM_GNU_GETTEXT(\[external\])/dnl you must add AM_GNU_GETTEXT([external]) or similar to configure.ac./'
+        if test "$module" = 'alloca' && test -n "$libtool"; then
+          echo 'changequote(,)dnl'
+          echo 'LTALLOCA=`echo "$ALLOCA" | sed '"'"'s/\.[^.]* /.lo /g;s/\.[^.]*$/.lo/'"'"'`'
+          echo 'changequote([, ])dnl'
+          echo 'AC_SUBST(LTALLOCA)'
+        fi
       fi
     done
     echo "])"
@@ -576,37 +630,12 @@ func_create_testdir ()
   modules=`for m in $modules; do echo $m; done | sort | uniq`
 
   # Determine final module list.
-  while true; do
-    xmodules=
-    for module in $modules; do
-      func_verify_module
-      if test -n "$module"; then
-        # Duplicate dependenies are harmless, but Jim wants a warning.
-        duplicated_deps=`func_get_dependencies $module | sort | uniq -d`
-        if test -n "$duplicated_deps"; then
-          echo "warning: module $module has duplicated dependencies: "`echo $duplicated_deps` 1>&2
-        fi
-        xmodules="$xmodules $module "`func_get_dependencies $module`
-      fi
-    done
-    xmodules=`for m in $xmodules; do echo $m; done | sort | uniq`
-    if test "$xmodules" = "$modules"; then
-      break
-    fi
-    modules="$xmodules"
-  done
+  func_modules_transitive_closure
   echo "Module list with included dependencies:"
   echo "$modules" | sed -e 's/^/  /'
 
   # Determine final file list.
-  files=
-  for module in $modules; do
-    func_verify_module
-    if test -n "$module"; then
-      files="$files "`func_get_filelist $module`
-    fi
-  done
-  files=`for f in $files; do echo $f; done | sort | uniq`
+  func_modules_to_filelist
   echo "File list:"
   echo "$files" | sed -e 's/^/  /'
 
@@ -629,33 +658,7 @@ func_create_testdir ()
 
   # Create lib/Makefile.am.
   mkdir -p "$testdir/lib"
-  (echo "## Process this file with automake to produce Makefile.in."
-   echo
-   echo "AUTOMAKE_OPTIONS = 1.5 gnits no-dependencies"
-   echo
-   echo "noinst_LIBRARIES = $libname.a"
-   echo
-   echo "$libname"'_a_SOURCES ='
-   echo "$libname"'_a_LIBADD = @LIBOBJS@'
-   echo '#'"$libname"'_la_LIBADD = @LTLIBOBJS@'
-   echo "EXTRA_DIST ="
-   echo "BUILT_SOURCES ="
-   echo "SUFFIXES ="
-   echo "MOSTLYCLEANFILES ="
-   echo "CLEANFILES ="
-   echo "DISTCLEANFILES ="
-   echo "MAINTAINERCLEANFILES ="
-   for module in $modules; do
-     func_verify_module
-     if test -n "$module"; then
-       func_get_automake_snippet "$module" | sed -e "s,lib_SOURCES,$libname"'_a_SOURCES,g' -e "s,lib_OBJECTS,$libname"'_a_OBJECTS,g'
-       if test "$module" = 'alloca'; then
-         echo "$libname"'_a_LIBADD += @ALLOCA@'
-         echo '#'"$libname"'_la_LIBADD += @LTALLOCA@'
-       fi
-     fi
-   done
-  ) > "$testdir/lib/Makefile.am"
+  func_emit_lib_Makefile_am > "$testdir/lib/Makefile.am"
 
   # Create m4/Makefile.am.
   mkdir -p "$testdir/m4"