X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=build-aux%2Fbootstrap;h=dd213258b999732e904b18f25ac2edb336f50275;hb=7c3e409e535bb5da1cdb1a5664d0b7c4fddffd61;hp=417d7ea75f90d5a60de0cf35fa9042a8dcb30945;hpb=ecda40afafa59d9503f80e0bf869220c218c73a8;p=gnulib.git

diff --git a/build-aux/bootstrap b/build-aux/bootstrap
index 417d7ea75..dd213258b 100755
--- a/build-aux/bootstrap
+++ b/build-aux/bootstrap
@@ -34,7 +34,7 @@ bt_regex=`echo "$bt"| sed 's/\./[.]/g'`
 bt2=${bt}2
 
 usage() {
-  echo >&2 "\
+  cat <<EOF
 Usage: $0 [OPTION]...
 Bootstrap this package from the checked-out sources.
 
@@ -56,7 +56,7 @@ For build prerequisites, environment variables like \$AUTOCONF and \$AMTAR
 are honored.
 
 Running without arguments will suffice in most cases.
-"
+EOF
 }
 
 # Configuration.
@@ -70,6 +70,10 @@ gnulib_modules=
 # Any gnulib files needed that are not in modules.
 gnulib_files=
 
+# A function to be called after everything else in this script.
+# Override it via your own definition in bootstrap.conf.
+bootstrap_epilogue() { :; }
+
 # The command to download all .po files for a specified domain into
 # a specified directory.  Fill in the first %s is the domain name, and
 # the second with the destination directory.  Use rsync's -L and -r
@@ -150,12 +154,18 @@ vc_ignore=auto
 
 # find_tool ENVVAR NAMES...
 # -------------------------
+# Search for a required program.  Use the value of ENVVAR, if set,
+# otherwise find the first of the NAMES that can be run (i.e.,
+# supports --version).  If found, set ENVVAR to the program name,
+# die otherwise.
 find_tool ()
 {
   # Find sha1sum, named gsha1sum on MacPorts.
   find_tool_envvar=$1
   shift
-  if eval test x"\$$find_tool_envvar" = x; then
+  find_tool_names=$@
+  eval "find_tool_res=\$$find_tool_envvar"
+  if test x"$find_tool_res" = x; then
     for i
     do
       if ($i --version </dev/null) >/dev/null 2>&1; then
@@ -163,16 +173,18 @@ find_tool ()
        break
       fi
     done
+  else
+    find_tool_error_prefix="\$$find_tool_envvar: "
   fi
   if test x"$find_tool_res" = x; then
-    echo >&2 "$0: $find_tool_name is required"
+    echo >&2 "$0: one of these is required: $find_tool_names"
     exit 1
   fi
   ($find_tool_res --version </dev/null) >/dev/null 2>&1 || {
-    echo >&2 "$0: cannot run $find_tool_res --version"
+    echo >&2 "$0: ${find_tool_error_prefix}cannot run $find_tool_res --version"
     exit 1
   }
-  eval "$find_tool_envvar=\"$find_tool_res\""
+  eval "$find_tool_envvar=\$find_tool_res"
   eval "export $find_tool_envvar"
 }
 
@@ -302,10 +314,20 @@ get_version() {
   $app --version >/dev/null 2>&1 || return 1
 
   $app --version 2>&1 |
-  sed -n 's/[^0-9.]*\([0-9]\{1,\}\.[.a-z0-9-]*\).*/\1/p
+  sed -n '# extract version within line
+          s/.*[v ]\{1,\}\([0-9]\{1,\}\.[.a-z0-9-]*\).*/\1/
+          t done
+
+          # extract version at start of line
+          s/^\([0-9]\{1,\}\.[.a-z0-9-]*\).*/\1/
           t done
+
           d
+
           :done
+          #the following essentially does s/5.005/5.5/
+          s/\.0*\([1-9]\)/.\1/g
+          p
           q'
 }
 
@@ -405,7 +427,7 @@ case ${GNULIB_SRCDIR--} in
         git_modules_config submodule.gnulib.url >/dev/null; then
     git submodule init
     GNULIB_SRCDIR=`cd $GNULIB_SRCDIR && pwd`
-    git config --replace-all submodule.gnulib.url $GNULIB_SRCDIR
+    git_modules_config --replace-all submodule.gnulib.url $GNULIB_SRCDIR
     echo "$0: getting gnulib files..."
     git submodule update || exit $?
     GNULIB_SRCDIR=gnulib
@@ -720,6 +742,10 @@ find "$m4_base" "$source_base" \
 
 # Reconfigure, getting other files.
 
+# Skip autoheader if it's not needed.
+grep -E '^[	 ]*AC_CONFIG_HEADERS?\>' configure.ac >/dev/null ||
+  AUTOHEADER=true
+
 for command in \
   libtool \
   "${ACLOCAL-aclocal} --force -I m4" \
@@ -788,6 +814,8 @@ if test $with_gettext = yes; then
   fi
 fi
 
+bootstrap_epilogue
+
 echo "$0: done.  Now you can run './configure'."
 
 # Local Variables: