| @@ -0,0 +1,57 @@
+--- autoconf-2.13/acgeneral.m4~ Tue Jun 26 17:00:28 2001
++++ autoconf-2.13/acgeneral.m4 Tue Jun 26 17:00:28 2001
+@@ -1817,10 +1817,6 @@
+ [cat > conftest.$ac_ext <<EOF
+ [#]line __oline__ "configure"
+ #include "confdefs.h"
+-ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
+-extern "C" void exit(int);
+-#endif
+-])dnl
+ [$1]
+ EOF
+ if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+--- autoconf-2.13/acspecific.m4~ Tue Jun 26 17:04:34 2001
++++ autoconf-2.13/acspecific.m4 Tue Jun 26 17:04:34 2001
+@@ -152,8 +152,41 @@
+ CXXFLAGS=
+ fi
+ fi
++
++AC_PROG_CXX_EXIT_DECLARATION
+ ])
+
++
++# AC_PROG_CXX_EXIT_DECLARATION
++# -----------------------------
++# Find a valid prototype for exit and declare it in confdefs.h.
++AC_DEFUN(AC_PROG_CXX_EXIT_DECLARATION,
++[for ac_declaration in \
++ ''\
++ '#include <stdlib.h>' \
++ 'extern "C" void std::exit (int) throw (); using std::exit;' \
++ 'extern "C" void std::exit (int); using std::exit;' \
++ 'extern "C" void exit (int) throw ();' \
++ 'extern "C" void exit (int);' \
++ 'void exit (int);'
++do
++ AC_TRY_COMPILE([#include <stdlib.h>
++$ac_declaration],
++ [exit (42);],
++ [],
++ [continue])
++ AC_TRY_COMPILE([$ac_declaration],
++ [exit (42);],
++ [break])
++done
++if test -n "$ac_declaration"; then
++ echo '#ifdef __cplusplus' >>confdefs.h
++ echo $ac_declaration >>confdefs.h
++ echo '#endif' >>confdefs.h
++fi
++])# AC_PROG_CXX_EXIT_DECLARATION
++
++
+ dnl Determine a Fortran 77 compiler to use. If `F77' is not already set
+ dnl in the environment, check for `g77', `f77' and `f2c', in that order.
+ dnl Set the output variable `F77' to the name of the compiler found.
|
