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C linkage problem when C++ library is used.

From: Bob Friesenhahn
Subject: C linkage problem when C++ library is used.
Date: Thu, 15 Apr 2004 11:10:20 -0500 (CDT)

If a program which is based on C language depends on a library which
is implemented in C++, the C++ compiler should be used to link the
program.  Otherwise C++ static initialization may not work right, or
linking may fail entirely.  Libtool doesn't currently offer any
provision to do that.

The installed .la file for a C++ library does not indicate the
implementation language, or what linker should be used.  When the C++
library was built using modern GCC then is listed as a
library dependency so at some clue may be gleaned from that fact.

It seems to me that this is a fundamental flaw in muti-lingual libtool
as it exists today.

Bob Friesenhahn

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