configure reports flag info that may be misleading

[Peter]

In end of confiugure.ac we have these lines

AC_MSG_NOTICE([  CPPFLAGS=\"$CPPFLAGS\"])
AC_MSG_NOTICE([  CXXFLAGS=\"$CXXFLAGS\"])
AC_MSG_NOTICE([  LIBS=\"$LIBS\"])
AC_MSG_NOTICE([  LDFLAGS=\"$LDFLAGS\"])

giving a summary flags that will be used during build. These are somewhat misleading since they only show half monty. A couple of flags are set in Makefile.am in AM_ namespace, for example, in yat.am states

AM_CPPFLAGS = -I$(top_srcdir) $(GSL_CFLAGS) $(BOOST_CPPFLAGS)

Because AM_CPPFLAGS and CPPFLAGS have very similar roles in Makefiles it is misleading to only show one part. Typically AM_CPPFLAGS is used for flags that are required for the build (e.g. where to find GSL header files), whereas CPPFLAGS can be used for some default setting such as -DNDEBUG.

The problem is that configure has no idea about automake and cannot therefore not report any AM_ *FLAGS.

[Peter]

See solution in svndigest

​http://trac.thep.lu.se/svndigest/ticket/333

[Peter]

fixed in [1348]