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From: Daniel Kobras <[email protected]>
Subject: Call macro AC_PROG_CXX before setting language C to avoid a
circular dependency error when running aclocal/autoreconf.
diff -urNad '--exclude=CVS' '--exclude=.svn' '--exclude=.git' '--exclude=.arch' '--exclude=.hg' '--exclude=_darcs' '--exclude=.bzr' dx~/configure.ac dx/configure.ac
--- dx~/configure.ac 2008-02-16 16:59:53.000000000 0100
dx/configure.ac 2010-03-25 14:00:33.000000000 0100
@@ -218,6 218,14 @@
dnl End of command line options configuration
dnl Start DX configuration
dnl AC_PROG_CXX must precede AC_LANG([C ]) to avoid a circular dependency
dnl error (cf. http://www.mail-archive.com/[email protected]/msg01650.html)
AC_PROG_CXX
if test -n "$CXXCPP" ; then
ac_cv_prog_CXXCPP=$CXXCPP
fi
AC_LANG([C ])
AC_CHECK_HEADERS(stdlib.h)
AC_LANG([C])
@@ -276,11 284,6 @@
dnl Checks for programs.
dnl AC_PROG_RANLIB
-AC_PROG_CXX
-if test -n "$CXXCPP" ; then
- ac_cv_prog_CXXCPP=$CXXCPP
-fi
-
AC_PROG_CXXCPP
AC_PROG_CC
AC_PROG_CPP
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