11657 Remove old ctf tools

@@ -43,11 +43,10 @@
 #define CTFMERGE_OK     0
 #define CTFMERGE_FATAL  1
 #define CTFMERGE_USAGE  2
 
 #define CTFMERGE_DEFAULT_NTHREADS       8
-#define CTFMERGE_ALTEXEC        "CTFMERGE_ALTEXEC"
 
 static void __attribute__((__noreturn__))
 ctfmerge_fatal(const char *fmt, ...)
 {
         va_list ap;

@@ -310,32 +309,10 @@
             "\t-m  allow C-based input files to not have CTF\n"
             "\t-o  file to add CTF data to\n",
             g_progname);
 }
 
-static void
-ctfmerge_altexec(char **argv)
-{
-        const char *alt;
-        char *altexec;
-
-        alt = getenv(CTFMERGE_ALTEXEC);
-        if (alt == NULL || *alt == '\0')
-                return;
-
-        altexec = strdup(alt);
-        if (altexec == NULL)
-                ctfmerge_fatal("failed to allocate memory for altexec\n");
-        if (unsetenv(CTFMERGE_ALTEXEC) != 0)
-                ctfmerge_fatal("failed to unset %s from environment: %s\n",
-                    CTFMERGE_ALTEXEC, strerror(errno));
-
-        (void) execv(altexec, argv);
-        ctfmerge_fatal("failed to execute alternate program %s: %s",
-            altexec, strerror(errno));
-}
-
 int
 main(int argc, char *argv[])
 {
         int err, i, c, ofd;
         uint_t nthreads = CTFMERGE_DEFAULT_NTHREADS;

@@ -347,12 +324,10 @@
         long argj;
         char *eptr;
 
         g_progname = basename(argv[0]);
 
-        ctfmerge_altexec(argv);
-
         /*
          * We support a subset of the old CTF merge flags, mostly for
          * compatibility.
          */
         while ((c = getopt(argc, argv, ":d:fgj:l:L:mo:t")) != -1) {