From schnetter at cct.lsu.edu  Wed Sep 19 07:29:54 2007
From: schnetter at cct.lsu.edu (Erik Schnetter (schnetter))
Date: Wed, 19 Sep 2007 12:29:54 +0000
Subject: [Flesh-cvs] DEVELOPMENT CVS "Cactus/lib/make configure.in configure
	aclocal.m4"
Message-ID: <20070919122954.85BD181A6@asylum.cct.lsu.edu>

Update of /cactusdevcvs/Cactus/lib/make
In directory asylum.cct.lsu.edu:/tmp/cvs-serv23780

Modified Files:
	configure.in configure aclocal.m4 
Log Message:
Introduce a new autoconf macro CCTK_CHECK_C_INLINE, which checks for
the inline keyword very similarly to AC_C_INLINE.  CCTK_CHECK_C_INLINE
works in the following way:

Do nothing if the compiler accepts the inline keyword.  Otherwise
define inline to __inline__ or __inline if one of those work,
otherwise define inline to be empty.

The setting '__inline__ __attribute__((__gnu_inline__))' is for gcc
4.3 and later.  By default this version of gcc follows the new ANSI
standard for "static inline" and "extern inline", which is
incompatible with many libraries (e.g. GSL), leading to linker errors
about duplicate symbols.  This is because "static inline" now
generates an externally visible symbol.  The setting above makes gcc
fall back to the old meaning, which does not generate an externally
visible symbol for "static inline".



Use CCTK_CHECK_C_INLINE instead of AC_C_INLINE in configure.in.

Re-generate configure.