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-4.1.3/io.c 2015-05-19 15:37:20.000000000 +0200
+++ gawk-4.1.3/io.c 2015-06-09 18:39:36.918414881 +0200
@@ -2025,7 +2025,7 @@
set_sigpipe_to_default();
- execl("/bin/sh", "sh", "-c", command, NULL);
+ execlp("sh", "sh", "-c", command, NULL);
_exit(errno == ENOENT ? 127 : 126);
case -1:
@@ -2077,7 +2077,7 @@
signal(SIGPIPE, SIG_DFL);
- execl("/bin/sh", "sh", "-c", command, NULL);
+ execlp("sh", "sh", "-c", command, NULL);
_exit(errno == ENOENT ? 127 : 126);
case -1:
@@ -2422,7 +2422,7 @@
fatal(_("close of pipe failed (%s)"), strerror(errno));
/* stderr does NOT get dup'ed onto child's stdout */
set_sigpipe_to_default();
- execl("/bin/sh", "sh", "-c", str, NULL);
+ execlp("sh", "sh", "-c", str, NULL);
_exit(errno == ENOENT ? 127 : 126);
}
#endif /* NOT __EMX__, NOT __MINGW32__ */
@@ -2659,7 +2659,7 @@
if (close(p[0]) == -1 || close(p[1]) == -1)
fatal(_("close of pipe failed (%s)"), strerror(errno));
set_sigpipe_to_default();
- execl("/bin/sh", "sh", "-c", cmd, NULL);
+ execlp("sh", "sh", "-c", cmd, NULL);
_exit(errno == ENOENT ? 127 : 126);
}
#endif /* NOT __EMX__, NOT __MINGW32__ */