[SCM] GNU Autoconf source repository branch, master, updated. v2.65-5-g7f75858

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- Log -----------------------------------------------------------------
commit 7f75858f577f11a844781764f30cd42cfe8a5669
Author: Harald van Dijk <[email protected]>
Date:   Fri Nov 27 11:54:07 2009 +0100

    Fix m4 detection test on dash.
    
    * m4/m4 (AC_PROG_GNU_M4): Use AS_ECHO.

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

Summary of changes:
 ChangeLog |    5 +++++
 m4/m4.m4  |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 9e90833..889c59c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-11-27  Harald van Dijk  <[email protected]>
+
+	Fix m4 detection test on dash.
+	* m4/m4 (AC_PROG_GNU_M4): Use AS_ECHO.
+
 2009-11-24  Ralf Wildenhues  <[email protected]>
 
 	Fix AC_FUNC_MMAP regression with C++ compiler in 2.65.
diff --git a/m4/m4.m4 b/m4/m4.m4
index 096fb28..be86031 100644
--- a/m4/m4.m4
+++ b/m4/m4.m4
@@ -29,7 +29,7 @@ AC_PATH_PROGS_FEATURE_CHECK([M4], [m4 gm4 gnum4],
       ac_snippet=change'quote(<,>)in''dir(<if''def>,mac,bug)'
       ac_snippet=${ac_snippet}pat'subst(a,\(b\)\|\(a\),\1)d'nl
       test -z "`$ac_path_M4 -F conftest.m4f </dev/null 2>&1`" \
-      && test -z "`echo $ac_snippet | $ac_path_M4 --trace=mac 2>&1`" \
+      && test -z "`AS_ECHO([$ac_snippet]) | $ac_path_M4 --trace=mac 2>&1`" \
       && test -f conftest.m4f \
       && ac_cv_path_M4=$ac_path_M4 ac_path_M4_found=:
       rm -f conftest.m4f],


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