[SCM] GNU Autoconf source repository branch, master, updated. v2.64-76-g5f17d8f

[Ralf Wildenhues]

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- Log -----------------------------------------------------------------
commit 5f17d8f0d3ac238433f12bbab588aafbdb0ff4bb
Author: Ralf Wildenhues <address@hidden>
Date:   Sat Oct 31 09:20:10 2009 +0100

    Fix AC_OPENMP configure message for non-C compilers.
    
    * lib/autoconf/lang.m4 (AC_LANG_DEFINE): Accept as additional
    fourth arg the compiler variable name, defined in _AC_CC($1).
    (_AC_CC): New language dispatch macro.
    * lib/autoconf/erlang.m4 (AC_LANG(Erlang)): Adjust.
    * lib/autoconf/fortran.m4 (AC_LANG(Fortran 77), AC_LANG(Fortran)):
    Likewise.
    * lib/autoconf/c.m4 (AC_LANG(C), AC_LANG(C++))
    (AC_LANG(Objective C), AC_LANG(Objective C++)): Likewise.
    (AC_OPENMP): Use _AC_CC instead of $CC.
    
    Signed-off-by: Ralf Wildenhues <address@hidden>

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

Summary of changes:
 ChangeLog               |   11 +++++++++++
 lib/autoconf/c.m4       |   10 +++++-----
 lib/autoconf/erlang.m4  |    2 +-
 lib/autoconf/fortran.m4 |    4 ++--
 lib/autoconf/lang.m4    |   41 ++++++++++++++++++++++++-----------------
 5 files changed, 43 insertions(+), 25 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 21fb77a..31b805a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -10,6 +10,17 @@
 
 2009-10-31  Ralf Wildenhues  <address@hidden>
 
+       Fix AC_OPENMP configure message for non-C compilers.
+       * lib/autoconf/lang.m4 (AC_LANG_DEFINE): Accept as additional
+       fourth arg the compiler variable name, defined in _AC_CC($1).
+       (_AC_CC): New language dispatch macro.
+       * lib/autoconf/erlang.m4 (AC_LANG(Erlang)): Adjust.
+       * lib/autoconf/fortran.m4 (AC_LANG(Fortran 77), AC_LANG(Fortran)):
+       Likewise.
+       * lib/autoconf/c.m4 (AC_LANG(C), AC_LANG(C++))
+       (AC_LANG(Objective C), AC_LANG(Objective C++)): Likewise.
+       (AC_OPENMP): Use _AC_CC instead of $CC.
+
        Do not fail OpenMP tests on systems without aclocal.
        * tests/c.at (AC_OPENMP and C, AC_OPENMP and C++): Override
        `ACLOCAL=true' for autoreconf, the tests don't need aclocal.
diff --git a/lib/autoconf/c.m4 b/lib/autoconf/c.m4
index 3b7cf36..420c8b6 100644
--- a/lib/autoconf/c.m4
+++ b/lib/autoconf/c.m4
@@ -59,7 +59,7 @@
 # AC_LANG(C)
 # ----------
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
-AC_LANG_DEFINE([C], [c], [C], [],
+AC_LANG_DEFINE([C], [c], [C], [CC], [],
 [ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&AS_MESSAGE_LOG_FD'
@@ -238,7 +238,7 @@ static unsigned long int ulongval () { return $2; }
 # AC_LANG(C++)
 # ------------
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
-AC_LANG_DEFINE([C++], [cxx], [CXX], [C],
+AC_LANG_DEFINE([C++], [cxx], [CXX], [CXX], [C],
 [ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&AS_MESSAGE_LOG_FD'
@@ -260,7 +260,7 @@ AU_DEFUN([AC_LANG_CPLUSPLUS], [AC_LANG(C++)])
 
 # AC_LANG(Objective C)
 # --------------------
-AC_LANG_DEFINE([Objective C], [objc], [OBJC], [C],
+AC_LANG_DEFINE([Objective C], [objc], [OBJC], [OBJC], [C],
 [ac_ext=m
 ac_cpp='$OBJCPP $CPPFLAGS'
 ac_compile='$OBJC -c $OBJCFLAGS $CPPFLAGS conftest.$ac_ext >&AS_MESSAGE_LOG_FD'
@@ -282,7 +282,7 @@ AU_DEFUN([AC_LANG_OBJC], [AC_LANG(Objective C)])
 
 # AC_LANG(Objective C++)
 # ----------------------
-AC_LANG_DEFINE([Objective C++], [objcxx], [OBJCXX], [C++],
+AC_LANG_DEFINE([Objective C++], [objcxx], [OBJCXX], [OBJCXX], [C++],
 [ac_ext=mm
 ac_cpp='$OBJCXXCPP $CPPFLAGS'
 ac_compile='$OBJCXX -c $OBJCXXFLAGS $CPPFLAGS conftest.$ac_ext 
>&AS_MESSAGE_LOG_FD'
@@ -1973,7 +1973,7 @@ AC_DEFUN([AC_OPENMP],
   AC_ARG_ENABLE([openmp],
     [AS_HELP_STRING([--disable-openmp], [do not use OpenMP])])
   if test "$enable_openmp" != no; then
-    AC_CACHE_CHECK([for $CC option to support OpenMP],
+    AC_CACHE_CHECK([for $[]_AC_CC[] option to support OpenMP],
       [ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp],
       [AC_LINK_IFELSE([_AC_LANG_OPENMP],
         [ac_cv_prog_[]_AC_LANG_ABBREV[]_openmp='none needed'],
diff --git a/lib/autoconf/erlang.m4 b/lib/autoconf/erlang.m4
index d87510a..748fca8 100644
--- a/lib/autoconf/erlang.m4
+++ b/lib/autoconf/erlang.m4
@@ -99,7 +99,7 @@ fi
 
 # AC_LANG(Erlang)
 # ---------------
-AC_LANG_DEFINE([Erlang], [erl], [ERL], [],
+AC_LANG_DEFINE([Erlang], [erl], [ERL], [ERLC], [],
 [ac_ext=erl
 ac_compile='$ERLC $ERLCFLAGS -b beam conftest.$ac_ext >&AS_MESSAGE_LOG_FD'
 ac_link='$ERLC $ERLCFLAGS -b beam conftest.$ac_ext >&AS_MESSAGE_LOG_FD && echo 
"[#]!/bin/sh" > conftest$ac_exeext && AS_ECHO(["\"$ERL\" -run conftest start 
-run init stop -noshell"]) >> conftest$ac_exeext && chmod +x conftest$ac_exeext'
diff --git a/lib/autoconf/fortran.m4 b/lib/autoconf/fortran.m4
index 6cbcfa2..f5918d0 100644
--- a/lib/autoconf/fortran.m4
+++ b/lib/autoconf/fortran.m4
@@ -140,7 +140,7 @@ fi[]dnl
 
 # AC_LANG(Fortran 77)
 # -------------------
-AC_LANG_DEFINE([Fortran 77], [f77], [F], [],
+AC_LANG_DEFINE([Fortran 77], [f77], [F], [F77], [],
 [ac_ext=f
 ac_compile='$F77 -c $FFLAGS conftest.$ac_ext >&AS_MESSAGE_LOG_FD'
 ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS 
>&AS_MESSAGE_LOG_FD'
@@ -220,7 +220,7 @@ m4_define([AC_LANG_FUNC_LINK_TRY(Fortran 77)],
 
 # AC_LANG(Fortran)
 # ----------------
-AC_LANG_DEFINE([Fortran], [fc], [FC], [Fortran 77],
+AC_LANG_DEFINE([Fortran], [fc], [FC], [FC], [Fortran 77],
 [ac_ext=${ac_fc_srcext-f}
 ac_compile='$FC -c $FCFLAGS $ac_fcflags_srcext conftest.$ac_ext 
>&AS_MESSAGE_LOG_FD'
 ac_link='$FC -o conftest$ac_exeext $FCFLAGS $LDFLAGS $ac_fcflags_srcext 
conftest.$ac_ext $LIBS >&AS_MESSAGE_LOG_FD'
diff --git a/lib/autoconf/lang.m4 b/lib/autoconf/lang.m4
index 5b44c68..1beda24 100644
--- a/lib/autoconf/lang.m4
+++ b/lib/autoconf/lang.m4
@@ -160,27 +160,28 @@ m4_defun([AC_LANG_ASSERT],
 
 
 
-# AC_LANG_DEFINE(NAME, ABBREV, PREFIX, COPY-FROM, SHELL-VARS)
-# -----------------------------------------------------------
+# AC_LANG_DEFINE(NAME, ABBREV, PREFIX, COMPILER-VAR, COPY-FROM, SHELL-VARS)
+# -------------------------------------------------------------------------
 # Define a language referenced by AC_LANG(NAME), with cache variable prefix
-# ABBREV and Makefile variable prefix PREFIX.  AC_LANG(NAME) is defined
-# to SHELL-VARS, other macros are copied from language COPY-FROM.  Even if
-# COPY-FROM is empty, a default definition is provided for language-specific
-# macros AC_LANG_SOURCE(NAME) and AC_LANG_CONFTEST(NAME).
+# ABBREV, Makefile variable prefix PREFIX and compiler variable COMPILER-VAR.
+# AC_LANG(NAME) is defined to SHELL-VARS, other macros are copied from language
+# COPY-FROM.  Even if COPY-FROM is empty, a default definition is provided for
+# language-specific macros AC_LANG_SOURCE(NAME) and AC_LANG_CONFTEST(NAME).
 m4_define([AC_LANG_DEFINE],
-[m4_define([AC_LANG($1)], [$5])]
+[m4_define([AC_LANG($1)], [$6])]
 [m4_define([_AC_LANG_ABBREV($1)], [$2])]
 [m4_define([_AC_LANG_PREFIX($1)], [$3])]
-[m4_copy([AC_LANG_CONFTEST($4)], [AC_LANG_CONFTEST($1)])]
-[m4_copy([AC_LANG_SOURCE($4)], [AC_LANG_SOURCE($1)])]
-[m4_copy([_AC_LANG_NULL_PROGRAM($4)], [_AC_LANG_NULL_PROGRAM($1)])]
-[m4_ifval([$4],
-[m4_copy([AC_LANG_PROGRAM($4)], [AC_LANG_PROGRAM($1)])]
-[m4_copy([AC_LANG_CALL($4)], [AC_LANG_CALL($1)])]
-[m4_copy([AC_LANG_FUNC_LINK_TRY($4)], [AC_LANG_FUNC_LINK_TRY($1)])]
-[m4_copy([AC_LANG_BOOL_COMPILE_TRY($4)], [AC_LANG_BOOL_COMPILE_TRY($1)])]
-[m4_copy([AC_LANG_INT_SAVE($4)], [AC_LANG_INT_SAVE($1)])]
-[m4_copy([_AC_LANG_IO_PROGRAM($4)], [_AC_LANG_IO_PROGRAM($1)])])])
+[m4_define([_AC_CC($1)], [$4])]
+[m4_copy([AC_LANG_CONFTEST($5)], [AC_LANG_CONFTEST($1)])]
+[m4_copy([AC_LANG_SOURCE($5)], [AC_LANG_SOURCE($1)])]
+[m4_copy([_AC_LANG_NULL_PROGRAM($5)], [_AC_LANG_NULL_PROGRAM($1)])]
+[m4_ifval([$5],
+[m4_copy([AC_LANG_PROGRAM($5)], [AC_LANG_PROGRAM($1)])]
+[m4_copy([AC_LANG_CALL($5)], [AC_LANG_CALL($1)])]
+[m4_copy([AC_LANG_FUNC_LINK_TRY($5)], [AC_LANG_FUNC_LINK_TRY($1)])]
+[m4_copy([AC_LANG_BOOL_COMPILE_TRY($5)], [AC_LANG_BOOL_COMPILE_TRY($1)])]
+[m4_copy([AC_LANG_INT_SAVE($5)], [AC_LANG_INT_SAVE($1)])]
+[m4_copy([_AC_LANG_IO_PROGRAM($5)], [_AC_LANG_IO_PROGRAM($1)])])])
 
 ## ----------------------- ##
 ## 2. Producing programs.  ##
@@ -284,6 +285,12 @@ AC_DEFUN([AC_LANG_INT_SAVE],
 [_AC_LANG_DISPATCH([$0], _AC_LANG, $@)])
 
 
+# _AC_CC
+# ------
+# The variable name of the compiler.
+m4_define([_AC_CC],
+[_AC_LANG_DISPATCH([$0], _AC_LANG, $@)])
+
 
 ## -------------------------------------------- ##
 ## 3. Looking for Compilers and Preprocessors.  ##


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