Re: [patch #4237] Fix libltdl use of AC_LIST_HEADERS for latest autoconf 2.59c

[Peter O'Gorman]

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anonymous wrote:

|
| Details:
|
| This fixes the use of AC_LIST_HEADERS which has now been changed to
| _AC_LIST_TAGS in the latest CVS version of autoconf 2.59c.
|
| This causes a duplicate definition of AC_CONFIG_HEADERS to be
| otherwise given.
|
Hi,

Thanks for the report and patch.

I think we want to work with older autoconf versions also (general question,
don't we?), so is this patch better?

Peter


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Index: m4/ltdl.m4
===================================================================
RCS file: /cvsroot/libtool/libtool/m4/ltdl.m4,v
retrieving revision 1.29
diff -u -3 -p -u -r1.29 ltdl.m4
--- m4/ltdl.m4  6 May 2005 17:39:59 -0000       1.29
+++ m4/ltdl.m4  28 Jul 2005 04:26:20 -0000
@@ -165,7 +165,10 @@ m4_require([_LT_CHECK_DLPREOPEN])dnl
 # must contain the definitions required by ltdl.c.
 m4_ifset([AC_LIST_HEADERS],
     [CONFIG_H=`echo "AC_LIST_HEADERS" | $SED 's,^[[    ]]*,,;s,[[ :]].*$,,'`],
-  [CONFIG_H=config.h;AC_CONFIG_HEADERS([config.h])])
+    [m4_ifset([_AC_LIST_TAGS],
+      [CONFIG_H=`echo "_AC_LIST_TAGS" | $GREP 'HEADERS' | $SED 's,^[[  
]]*,,;s,[[ :)]].*$,,'`],
+      [CONFIG_H=config.h;AC_CONFIG_HEADERS([config.h])])
+    ])
 AC_SUBST([CONFIG_H])
 
 AC_CHECK_HEADERS([memory.h unistd.h dl.h sys/dl.h dld.h mach-o/dyld.h],