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[SCM] GNU Autoconf source repository branch, master, updated. v2.69-158-

From: Paul Eggert
Subject: [SCM] GNU Autoconf source repository branch, master, updated. v2.69-158-g739cdc8
Date: Tue, 15 Mar 2016 16:34:38 +0000

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- Log -----------------------------------------------------------------
commit 739cdc82b5325402231f3f5e1a38f681fcbd1db2
Author: Paul Eggert <address@hidden>
Date:   Tue Mar 15 09:34:11 2016 -0700

    Also try clang
    Problem reported by Václav Zeman in:
    * lib/autoconf/c.m4 (AC_PROG_CC, AC_PROG_OBJC): Also try clang.
    (AC_PROG_CXX): Also try clang++.
    These are at the end of the existing lists, to avoid compatibility
    issues in older installations.


Summary of changes:
 lib/autoconf/c.m4 |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/autoconf/c.m4 b/lib/autoconf/c.m4
index 933955f..9a9fbd3 100644
--- a/lib/autoconf/c.m4
+++ b/lib/autoconf/c.m4
@@ -457,6 +457,9 @@ fi
 if test -z "$CC"; then
   AC_CHECK_TOOLS(CC, cl.exe)
+if test -z "$CC"; then
+  AC_CHECK_TOOL(CC, clang)
 test -z "$CC" && AC_MSG_FAILURE([no acceptable C compiler found in \$PATH])
@@ -704,7 +707,7 @@ if test -z "$CXX"; then
-                              [g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC 
xlC_r xlC])],
+                              [g++ c++ gpp aCC CC cxx cc++ cl.exe FCC KCC RCC 
xlC_r xlC clang++])],
@@ -883,7 +886,7 @@ _AC_ARG_VAR_LIBS()dnl
-              [m4_default([$1], [gcc objcc objc cc CC])],
+              [m4_default([$1], [gcc objcc objc cc CC clang])],
 # Provide some information about the compiler.
 _AS_ECHO_LOG([checking for _AC_LANG compiler version])

GNU Autoconf source repository

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