/* Dependency generator for Makefile fragments.
- Copyright (C) 2000, 2001, 2003, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001, 2003, 2007, 2008, 2009
+ Free Software Foundation, Inc.
Contributed by Zack Weinberg, Mar 2000
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
-Free Software Foundation; either version 2, or (at your option) any
+Free Software Foundation; either version 3, or (at your option) any
later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+along with this program; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>.
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
struct deps
{
const char **targetv;
- unsigned int ntargets; /* number of slots actually occupied */
- unsigned int targets_size; /* amt of allocated space - in words */
+ unsigned int ntargets; /* number of slots actually occupied */
+ unsigned int targets_size; /* amt of allocated space - in words */
const char **depv;
unsigned int ndeps;
for (p = filename, len = 0; *p; p++, len++)
{
switch (*p)
- {
- case ' ':
- case '\t':
- /* GNU make uses a weird quoting scheme for white space.
- A space or tab preceded by 2N+1 backslashes represents
- N backslashes followed by space; a space or tab
- preceded by 2N backslashes represents N backslashes at
- the end of a file name; and backslashes in other
- contexts should not be doubled. */
- for (q = p - 1; filename <= q && *q == '\\'; q--)
- len++;
- len++;
- break;
-
- case '$':
- /* '$' is quoted by doubling it. */
- len++;
- break;
- }
+ {
+ case ' ':
+ case '\t':
+ /* GNU make uses a weird quoting scheme for white space.
+ A space or tab preceded by 2N+1 backslashes represents
+ N backslashes followed by space; a space or tab
+ preceded by 2N backslashes represents N backslashes at
+ the end of a file name; and backslashes in other
+ contexts should not be doubled. */
+ for (q = p - 1; filename <= q && *q == '\\'; q--)
+ len++;
+ len++;
+ break;
+
+ case '$':
+ /* '$' is quoted by doubling it. */
+ len++;
+ break;
+
+ case '#':
+ /* '#' is quoted with a backslash. */
+ len++;
+ break;
+ }
}
/* Now we know how big to make the buffer. */
for (p = filename, dst = buffer; *p; p++, dst++)
{
switch (*p)
- {
- case ' ':
- case '\t':
- for (q = p - 1; filename <= q && *q == '\\'; q--)
- *dst++ = '\\';
- *dst++ = '\\';
- break;
-
- case '$':
- *dst++ = '$';
- break;
-
- default:
- /* nothing */;
- }
+ {
+ case ' ':
+ case '\t':
+ for (q = p - 1; filename <= q && *q == '\\'; q--)
+ *dst++ = '\\';
+ *dst++ = '\\';
+ break;
+
+ case '$':
+ *dst++ = '$';
+ break;
+
+ case '#':
+ *dst++ = '\\';
+ break;
+
+ default:
+ /* nothing */;
+ }
*dst = *p;
}
{
unsigned int i;
for (i = 0; i < d->nvpaths; i++)
- {
- if (!strncmp (d->vpathv[i], t, d->vpathlv[i]))
- {
- const char *p = t + d->vpathlv[i];
- if (!IS_DIR_SEPARATOR (*p))
- goto not_this_one;
-
- /* Do not simplify $(vpath)/../whatever. ??? Might not
- be necessary. */
- if (p[1] == '.' && p[2] == '.' && IS_DIR_SEPARATOR (p[3]))
- goto not_this_one;
-
- /* found a match */
- t = t + d->vpathlv[i] + 1;
- break;
- }
- not_this_one:;
- }
+ {
+ if (!strncmp (d->vpathv[i], t, d->vpathlv[i]))
+ {
+ const char *p = t + d->vpathlv[i];
+ if (!IS_DIR_SEPARATOR (*p))
+ goto not_this_one;
+
+ /* Do not simplify $(vpath)/../whatever. ??? Might not
+ be necessary. */
+ if (p[1] == '.' && p[2] == '.' && IS_DIR_SEPARATOR (p[3]))
+ goto not_this_one;
+
+ /* found a match */
+ t = t + d->vpathlv[i] + 1;
+ break;
+ }
+ not_this_one:;
+ }
}
/* Remove leading ./ in any case. */
{
t += 2;
/* If we removed a leading ./, then also remove any /s after the
- first. */
+ first. */
while (IS_DIR_SEPARATOR (t[0]))
- ++t;
+ ++t;
}
return t;
if (d->targetv)
{
for (i = 0; i < d->ntargets; i++)
- free ((void *) d->targetv[i]);
+ free ((void *) d->targetv[i]);
free (d->targetv);
}
if (d->depv)
{
for (i = 0; i < d->ndeps; i++)
- free ((void *) d->depv[i]);
+ free ((void *) d->depv[i]);
free (d->depv);
}
if (d->vpathv)
{
for (i = 0; i < d->nvpaths; i++)
- free ((void *) d->vpathv[i]);
+ free ((void *) d->vpathv[i]);
free (d->vpathv);
free (d->vpathlv);
}
#endif
const char *start = lbasename (tgt);
char *o;
+
char *suffix;
const char *obj_ext;
obj_ext = CPP_OPTION (pfile, obj_ext);
o = (char *) alloca (strlen (start) + strlen (obj_ext) + 1);
-
strcpy (o, start);
suffix = strrchr (o, '.');
memcpy (copy, elem, len);
copy[len] = '\0';
if (*p == ':')
- p++;
+ p++;
if (d->nvpaths == d->vpaths_size)
- {
- d->vpaths_size = d->vpaths_size * 2 + 8;
- d->vpathv = XRESIZEVEC (const char *, d->vpathv, d->vpaths_size);
- d->vpathlv = XRESIZEVEC (size_t, d->vpathlv, d->vpaths_size);
- }
+ {
+ d->vpaths_size = d->vpaths_size * 2 + 8;
+ d->vpathv = XRESIZEVEC (const char *, d->vpathv, d->vpaths_size);
+ d->vpathlv = XRESIZEVEC (size_t, d->vpathlv, d->vpaths_size);
+ }
d->vpathv[d->nvpaths] = copy;
d->vpathlv[d->nvpaths] = len;
d->nvpaths++;
{
size = strlen (d->targetv[i]);
column += size;
- if (colmax && column > colmax)
- {
- fputs (" \\\n ", fp);
- column = 1 + size;
- }
if (i)
- {
- putc (' ', fp);
- column++;
- }
+ {
+ if (colmax && column > colmax)
+ {
+ fputs (" \\\n ", fp);
+ column = 1 + size;
+ }
+ else
+ {
+ putc (' ', fp);
+ column++;
+ }
+ }
fputs (d->targetv[i], fp);
}
putc (':', fp);
- putc (' ', fp);
- column += 2;
+ column++;
for (i = 0; i < d->ndeps; i++)
{
size = strlen (d->depv[i]);
column += size;
if (colmax && column > colmax)
- {
- fputs (" \\\n ", fp);
- column = 1 + size;
- }
- if (i)
- {
- putc (' ', fp);
- column++;
- }
+ {
+ fputs (" \\\n ", fp);
+ column = 1 + size;
+ }
+ else
+ {
+ putc (' ', fp);
+ column++;
+ }
fputs (d->depv[i], fp);
}
putc ('\n', fp);
{
/* Read in # bytes in string. */
if (fread (&num_to_read, 1, sizeof (size_t), fd) != sizeof (size_t))
- return -1;
+ return -1;
if (buf_size < num_to_read + 1)
- {
- buf_size = num_to_read + 1 + 127;
- buf = XRESIZEVEC (char, buf, buf_size);
- }
+ {
+ buf_size = num_to_read + 1 + 127;
+ buf = XRESIZEVEC (char, buf, buf_size);
+ }
if (fread (buf, 1, num_to_read, fd) != num_to_read)
- return -1;
+ return -1;
buf[num_to_read] = '\0';
/* Generate makefile dependencies from .pch if -nopch-deps. */