grep branch, master, updated. v2.21-30-ga841e18

[Jim Meyering]

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http://git.savannah.gnu.org/cgit/grep.git/commit/?id=a841e183613aa49991d16240b0b748a0d5c5e361


commit a841e183613aa49991d16240b0b748a0d5c5e361
Author: Jim Meyering <address@hidden>
Date:   Sun Apr 26 15:30:42 2015 -0700

    maint: update bootstrap from gnulib
    
    * bootstrap: Update from gnulib.

diff --git a/bootstrap b/bootstrap
index 9dc6e29..2fdf267 100755
--- a/bootstrap
+++ b/bootstrap
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Print a version string.
-scriptversion=2013-12-05.23; # UTC
+scriptversion=2014-12-08.12; # UTC
 
 # Bootstrap this package from checked-out sources.
 
@@ -42,6 +42,9 @@ export LC_ALL
 
 local_gl_dir=gl
 
+# Honour $PERL, but work even if there is none
+PERL="${PERL-perl}"
+
 me=$0
 
 usage() {
@@ -456,6 +459,7 @@ check_versions() {
     test "$appvar" = TAR && appvar=AMTAR
     case $appvar in
         GZIP) ;; # Do not use $GZIP:  it contains gzip options.
+        PERL::*) ;; # Keep perl modules as-is
         *) eval "app=\${$appvar-$app}" ;;
     esac
 
@@ -473,6 +477,17 @@ check_versions() {
           ret=1
           continue
         } ;;
+      # Another check is for perl modules.  These can be written as
+      # e.g. perl::XML::XPath in case of XML::XPath module, etc.
+      perl::*)
+        # Extract module name
+        app="${app#perl::}"
+        if ! $PERL -m"$app" -e 'exit 0' >/dev/null 2>&1; then
+          warn_ "Error: perl module '$app' not found"
+          ret=1
+        fi
+        continue
+        ;;
     esac
     if [ "$req_ver" = "-" ]; then
       # Merely require app to exist; not all prereq apps are well-behaved

-----------------------------------------------------------------------

Summary of changes:
 bootstrap |   17 ++++++++++++++++-
 1 files changed, 16 insertions(+), 1 deletions(-)


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