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libAButil: remove lt- prefix from program name

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When building a program foo in-tree, libtool 2.4.6 generates an
executable called lt-foo with a wrapper script called foo. This
means that argv[0] inside the program is lt-foo rather than foo.

This is a problem for dtcodegen, which uses the program name for various
purposes including the "generated by" banner and the logfile name.
Remove the lt- prefix if present to avoid this.
This commit is contained in:
Adam Sampson 2021-07-04 15:22:47 +01:00 • committed by Jon Trulson
parent d9769e4774
commit edf57b6db3
1 changed files with 11 additions and 1 deletions
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12
cde/programs/dtappbuilder/src/libAButil/util.c
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@ -187,7 +187,17 @@ util_set_program_name_from_argv0(STRING argv0)
util_get_file_name_from_path(argv0, progName, MAXPATHLEN);
if (strlen(progName) > (size_t)0)
{
util_set_program_name(progName);
STRING progNameStart = progName;
/*
* Remove the lt- prefix added by libtool to helper programs.
*/
if (strncmp(progNameStart, "lt-", 3) == 0)
{
progNameStart += 3;
}
util_set_program_name(progNameStart);
}
return 0;
}