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As for libc's `system', change Awk to look for `sh' in $PATH. This patch is
only meant to be used during bootstrapping, where we don't know in advance the
absolute file name of `sh'.
--- gawk-4.0.0/io.c 2011-05-18 20:47:29.000000000 +0200
+++ gawk-4.0.0/io.c 2012-12-18 15:56:06.000000000 +0100
@@ -1759,7 +1759,7 @@ two_way_open(const char *str, struct red
signal(SIGPIPE, SIG_DFL);
- execl("/bin/sh", "sh", "-c", str, NULL);
+ execlp("sh", "sh", "-c", str, NULL);
_exit(errno == ENOENT ? 127 : 126);
case -1:
@@ -1924,7 +1924,7 @@ use_pipes:
|| close(ctop[0]) == -1 || close(ctop[1]) == -1)
fatal(_("close of pipe failed (%s)"), strerror(errno));
/* stderr does NOT get dup'ed onto child's stdout */
- execl("/bin/sh", "sh", "-c", str, NULL);
+ execlp("sh", "sh", "-c", str, NULL);
_exit(errno == ENOENT ? 127 : 126);
}
#endif /* NOT __EMX__ */
@@ -2074,7 +2074,7 @@ gawk_popen(const char *cmd, struct redir
fatal(_("moving pipe to stdout in child failed (dup: %s)"), strerror(errno));
if (close(p[0]) == -1 || close(p[1]) == -1)
fatal(_("close of pipe failed (%s)"), strerror(errno));
- execl("/bin/sh", "sh", "-c", cmd, NULL);
+ execlp("sh", "sh", "-c", cmd, NULL);
_exit(errno == ENOENT ? 127 : 126);
}
#endif /* NOT __EMX__ */
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