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(directory_before_chdir): New variable, moved out of main (was local).

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(main) [__MSDOS__]: Look for \ or : to delimit last component of PROGRAM.
Don't frob ARGV[0] before setting MAKE_COMMAND variable.
(die): Change back to `directory_before_chdir' before dying.

Part of MSDOS/GO32 port from DJ Delorie <dj@ctron.com>.
This commit is contained in:
Roland McGrath 1994-07-25 23:33:26 +00:00
parent f663464925
commit 021ea7e61c
1 changed files with 19 additions and 1 deletions
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20
main.c
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@ -312,6 +312,10 @@ struct stringlist *other_args = 0;
char *program;
/* Our current directory before processing any -C options. */
char *directory_before_chdir;
/* Our current directory after processing all -C options. */
char *starting_directory;
@ -394,7 +398,6 @@ main (argc, argv, envp)
register struct dep *lastgoal;
struct dep *read_makefiles;
PATH_VAR (current_directory);
char *directory_before_chdir;
default_goal_file = 0;
reading_filename = 0;
@ -464,6 +467,12 @@ main (argc, argv, envp)
else
{
program = rindex (argv[0], '/');
#ifdef __MSDOS__
if (program == 0)
program = rindex (argv[0], '\\');
if (program == 0)
program = rindex (argv[0], ':');
#endif
if (program == 0)
program = argv[0];
else
@ -601,6 +610,7 @@ main (argc, argv, envp)
}
free (cmd_defs);
#ifndef __MSDOS__
/* Set the "MAKE_COMMAND" variable to the name we were invoked with.
(If it is a relative pathname with a slash, prepend our directory name
so the result will run the same program regardless of the current dir.
@ -610,6 +620,7 @@ main (argc, argv, envp)
if (current_directory[0] != '\0'
&& argv[0] != 0 && argv[0][0] != '/' && index (argv[0], '/') != 0)
argv[0] = concat (current_directory, "/", argv[0]);
#endif
(void) define_variable ("MAKE_COMMAND", 12, argv[0], o_default, 0);
@ -1755,6 +1766,13 @@ die (status)
dying = 1;
/* Try to move back to the original directory. This is essential on
MS-DOS (where there is really only one process), and on Unix it
puts core files in the original directory instead of the -C
directory. */
if (directory_before_chdir != 0)
chdir (directory_before_chdir);
if (print_version_flag)
print_version ();