g77 for b20

[Dr David Coe]

Check out the pointer to Mumit Khan's additions of g77 and objc on the the
main Cygwin page.

Be aware however that octave no longer compiles cleanly under egcs-1.1
neither for Linux nor for Cygwin. The src tree contains quite a few stanzas
now requiring attention such as:

class
tree_boolean_expression : public tree_binary_expression
{
public:

  enum type
    {
      unknown,
      and,
      or
    };

  tree_boolean_expression (int l = -1, int c = -1, type t)
    : tree_binary_expression (l, c), etype (t) { }

  tree_boolean_expression (tree_expression *a, tree_expression *b,
      int l = -1, int c = -1, type t = unknown)
    : tree_binary_expression (a, b, l, c), etype (t) { }

where the uninitialised type t produces diagnostics:

c++ -c  -I. -I.. -I../liboctave -I../src -I../libcruft/misc  -I../glob -I../
glob -DHAVE_CONFIG_H -mieee-fp -fno-rtti -fno-exceptions -fno-implicit-templ
ates -O2 data.cc
In file included from ov.h:43,
                 from variables.h:38,
                 from defun-int.h:26,
                 from defun.h:30,
                 from data.cc:43:
pt-exp.h:257: default argument missing for parameter 3 of
`tree_boolean_expression::tree_boolean_expression(int = -1,int = -1, enum
tree_boolean_expression::type)'
make: *** [data.o] Error 1

---
David Coe

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