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From-SVN: r567
This commit is contained in:
Richard Stallman 1992-03-22 19:36:51 +00:00
parent b1fc14e592
commit bd0725f32b
1 changed files with 35 additions and 14 deletions
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49
gcc/protoize.c
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@ -460,11 +460,15 @@ static const char* nondefault_syscalls_dir = 0; /* Dir to look for
SYSCALLS.c.X in. */
#endif /* !defined (UNPROTOIZE) */
/* An index into the compile_params array where we should insert the filename
parameter when we are ready to exec the C compiler. A zero value indicates
/* An index into the compile_params array where we should insert the source
file name when we are ready to exec the C compiler. A zero value indicates
that we have not yet called munge_compile_params. */
static int filename_index = 0;
static int input_file_name_index = 0;
/* An index into the compile_params array where we should insert the filename
for the aux info file, when we run the C compiler. */
static int aux_info_file_name_index = 0;
/* Count of command line arguments which were "filename" arguments. */
@ -1526,7 +1530,7 @@ save_def_or_dec (l, is_syscalls)
all of these base file names (even if they may be useless later).
The file_info records for all of these "base" file names (properly)
act as file_info records for the "original" (i.e. un-included) files
which were submitted to gcc for compilation (when the -fgen-aux-info
which were submitted to gcc for compilation (when the -aux-info
option was used). */
def_dec_p->file = find_file (abspath (invocation_filename, filename), is_syscalls);
@ -1857,14 +1861,19 @@ save_def_or_dec (l, is_syscalls)
}
}
/* Rewrite the options list used to recompile base source files. All we are
really doing here is removing -g, -O, -S, -c, and -o options, and then
adding a final group of options like '-fgen-aux-info -S -o /dev/null'. */
/* Set up the vector COMPILE_PARAMS which is the argument list for running GCC.
Also set input_file_name_index and aux_info_file_name_index
to the indices of the slots where the file names should go. */
/* We initialize the vector by removing -g, -O, -S, -c, and -o options,
and adding '-aux-info AUXFILE -S -o /dev/null INFILE' at the end. */
static void
munge_compile_params (params_list)
const char *params_list;
{
/* Build up the contents in a temporary vector
that is so big that to has to be big enough. */
char **temp_params
= (char **) alloca ((strlen (params_list) + 6) * sizeof (char *));
int param_count = 0;
@ -1906,14 +1915,20 @@ munge_compile_params (params_list)
if (!*params_list)
break;
}
temp_params[param_count++] = "-fgen-aux-info";
temp_params[param_count++] = "-aux-info";
/* Leave room for the aux-info file name argument. */
aux_info_file_name_index = param_count;
temp_params[param_count++] = NULL;
temp_params[param_count++] = "-S";
temp_params[param_count++] = "-o";
temp_params[param_count++] = "/dev/null";
/* Leave room for the filename argument and a terminating null pointer. */
temp_params[filename_index = param_count++] = NULL;
/* Leave room for the input file name argument. */
input_file_name_index = param_count;
temp_params[param_count++] = NULL;
/* Terminate the list. */
temp_params[param_count++] = NULL;
/* Make a copy of the compile_params in heap space. */
@ -1932,14 +1947,20 @@ gen_aux_info_file (base_filename)
{
int child_pid;
if (!filename_index)
if (!input_file_name_index)
munge_compile_params ("");
compile_params[filename_index] = shortpath (NULL, base_filename);
/* Store the full source file name in the argument vector. */
compile_params[input_file_name_index] = shortpath (NULL, base_filename);
/* Add .X to source file name to get aux-info file name. */
compile_params[aux_info_file_name_index]
= dupnstr (compile_params[input_file_name_index],
(2 + strlen (compile_params[input_file_name_index])));
strcat (compile_params[aux_info_file_name_index], ".X");
if (!quiet_flag)
fprintf (stderr, "%s: compiling `%s'\n",
pname, compile_params[filename_index]);
pname, compile_params[input_file_name_index]);
if (child_pid = fork ())
{