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defaults.h (CPLUSPLUS_CPP_SPEC): New macro.

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* defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
	* gcc.c (struct compiler): Add cpp_spec field.
	(input_file_compiler): New variable.
	(do_spec_1): Allow a particular compiler to handle `%C'
	specially.
	(main): Store the current compiler in input_file_compiler.
	* tm.texi (CPLUSPLUS_CPP_SPEC): Document.

	* lang-specs.h: Use CPLUSPLUS_CPP_SPEC for the preprocessor
	spec.

From-SVN: r39524
This commit is contained in:
Mark Mitchell 2001-02-07 18:58:07 +00:00 committed by Mark Mitchell
parent 7d4918a2d9
commit a937484185
6 changed files with 56 additions and 11 deletions
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10
gcc/ChangeLog
View File

@ -1,3 +1,13 @@
2001-02-07 Mark Mitchell <mark@codesourcery.com>
* defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
* gcc.c (struct compiler): Add cpp_spec field.
(input_file_compiler): New variable.
(do_spec_1): Allow a particular compiler to handle `%C'
specially.
(main): Store the current compiler in input_file_compiler.
* tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
* cpphash.h (struct spec_nodes): Add n_true and n_false.

5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2001-02-07 Mark Mitchell <mark@codesourcery.com>
* lang-specs.h: Use CPLUSPLUS_CPP_SPEC for the preprocessor
spec.
2001-02-06 Nathan Sidwell <nathan@codesourcery.com>
* pt.c (lookup_template_class): Make sure it's a primary

3
gcc/cp/lang-specs.h
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@ -67,6 +67,9 @@ Boston, MA 02111-1307, USA. */
%{ansi:-trigraphs -$}\
%(cc1_options) %2 %{+e*}\
%{!fsyntax-only:%(invoke_as)}}}}"
#endif
#ifdef CPLUSPLUS_CPP_SPEC
, CPLUSPLUS_CPP_SPEC
#endif
},
{".ii", "@c++-cpp-output"},

8
gcc/defaults.h
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@ -296,5 +296,13 @@ do { \
#define BUILD_VA_LIST_TYPE(X) ((X) = ptr_type_node)
#endif
/* By default, the preprocessor should be invoked the same way in C++
as in C. */
#ifndef CPLUSPLUS_CPP_SPEC
#ifdef CPP_SPEC
#define CPLUSPLUS_CPP_SPEC CPP_SPEC
#endif
#endif
#endif /* GCC_DEFAULTS_H */

33
gcc/gcc.c
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@ -698,6 +698,10 @@ struct compiler
whose names end in this suffix. */
const char *spec; /* To use this compiler, run this spec. */
const char *cpp_spec; /* If non-NULL, substitute this spec
for `%C', rather than the usual
cpp_spec. */
};
/* Pointer to a vector of `struct compiler' that gives the spec for
@ -3870,6 +3874,9 @@ static int suffixed_basename_length;
static const char *input_basename;
static const char *input_suffix;
/* The compiler used to process the current input file. */
static struct compiler *input_file_compiler;
/* These are variables used within do_spec and do_spec_1. */
/* Nonzero if an arg has been started and not yet terminated
@ -4441,9 +4448,15 @@ do_spec_1 (spec, inswitch, soft_matched_part)
break;
case 'C':
value = do_spec_1 (cpp_spec, 0, NULL_PTR);
if (value != 0)
return value;
{
const char* spec
= (input_file_compiler->cpp_spec
? input_file_compiler->cpp_spec
: cpp_spec);
value = do_spec_1 (spec, 0, NULL_PTR);
if (value != 0)
return value;
}
break;
case 'E':
@ -5795,7 +5808,6 @@ main (argc, argv)
for (i = 0; (int) i < n_infiles; i++)
{
register struct compiler *cp = 0;
int this_file_error = 0;
/* Tell do_spec what to substitute for %i. */
@ -5809,17 +5821,18 @@ main (argc, argv)
/* Figure out which compiler from the file's suffix. */
cp = lookup_compiler (infiles[i].name, input_filename_length,
infiles[i].language);
input_file_compiler
= lookup_compiler (infiles[i].name, input_filename_length,
infiles[i].language);
if (cp)
if (input_file_compiler)
{
/* Ok, we found an applicable compiler. Run its spec. */
if (cp->spec[0] == '#')
if (input_file_compiler->spec[0] == '#')
error ("%s: %s compiler not installed on this system",
input_filename, &cp->spec[1]);
value = do_spec (cp->spec);
input_filename, &input_file_compiler->spec[1]);
value = do_spec (input_file_compiler->spec);
if (value < 0)
this_file_error = 1;
}

6
gcc/tm.texi
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@ -109,6 +109,12 @@ give to GCC into options for GCC to pass to the CPP.
Do not define this macro if it does not need to do anything.
@findex CPLUSPLUS_CPP_SPEC
@item CPLUSPLUS_CPP_SPEC
This macro is just like @code{CPP_SPEC}, but is used for C++, rather
than C. If you do not define this macro, then the value of
@code{CPP_SPEC} (if any) will be used instead.
@findex NO_BUILTIN_SIZE_TYPE
@item NO_BUILTIN_SIZE_TYPE
If this macro is defined, the preprocessor will not define the builtin macro