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path: root/gnu/packages/patches/gawk-shell.patch
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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__ */