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Support the environmental var "GCC_OPTIONS". Which can hold a set of

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default options for GCC.  These options are interpreted first and can be
overwritten by explicit command line parameters.  This provides one way of
adding [temporary] options to your world build w/o editing /etc/make.conf.
This commit is contained in:
David E. O'Brien 2001-05-29 09:54:45 +00:00
parent f8e4bfdd16
commit 872825029c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=77389
1 changed files with 52 additions and 0 deletions
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52
contrib/gcc/gcc.c
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@ -2744,6 +2744,44 @@ process_command (argc, argv)
}
#endif
/* Options specified as if they appeared on the command line. */
temp = getenv ("GCC_OPTIONS");
if ((temp) && (strlen (temp) > 0))
{
int len;
int optc = 1;
int new_argc;
char **new_argv;
char *envopts;
while (isspace (*temp))
temp++;
len = strlen (temp);
envopts = (char *) xmalloc (len + 1);
strcpy (envopts, temp);
for (i = 0; i < (len - 1); i++)
if ((isspace (envopts[i])) && ! (isspace (envopts[i+1])))
optc++;
new_argv = (char **) alloca ((optc + argc) * sizeof(char *));
for (i = 0, new_argc = 1; new_argc <= optc; new_argc++)
{
while (isspace (envopts[i]))
i++;
new_argv[new_argc] = envopts + i;
while (!isspace (envopts[i]) && (envopts[i] != '\0'))
i++;
envopts[i++] = '\0';
}
for (i = 1; i < argc; i++)
new_argv[new_argc++] = argv[i];
argv = new_argv;
argc = new_argc;
}
/* Convert new-style -- options to old-style. */
translate_options (&argc, &argv);
@ -2850,6 +2888,14 @@ process_command (argc, argv)
if (i + 1 == argc)
fatal ("argument to `-Xlinker' is missing");
n_infiles++;
i++;
}
else if (strcmp (argv[i], "-l") == 0)
{
if (i + 1 == argc)
fatal ("argument to `-l' is missing");
n_infiles++;
i++;
}
@ -3259,6 +3305,12 @@ process_command (argc, argv)
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = argv[++i];
}
else if (strcmp (argv[i], "-l") == 0)
{ /* POSIX allows separation of -l and the lib arg;
canonicalize by concatenating -l with its arg */
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = concat ("-l", argv[++i], NULL);
}
else if (strncmp (argv[i], "-l", 2) == 0)
{
infiles[n_infiles].language = "*";