[hackers] [scc] [driver] clean up some unused variables || Quentin Rameau

[git]

commit 4fa2093ad0946c767dd20364618382834e571a99
Author:     Quentin Rameau <quinq@fifth.space>
AuthorDate: Thu Jun 2 12:33:31 2016 +0200
Commit:     Quentin Rameau <quinq@fifth.space>
CommitDate: Thu Jun 2 12:33:31 2016 +0200

    [driver] clean up some unused variables

diff --git a/driver/posix/scc.c b/driver/posix/scc.c
index 5c04947..532c2b0 100644
--- a/driver/posix/scc.c
+++ b/driver/posix/scc.c
@@ -35,9 +35,9 @@ static struct tool {
 } tools[NR_TOOLS] = {
        [CC1] = { .bin = "cc1", .cmd = PREFIX "/libexec/scc/", },
        [CC2] = { .bin = "cc2", .cmd = PREFIX "/libexec/scc/", },
-       [QBE] = { .bin = "qbe", .bin = "qbe", .cmd = "qbe", },
-       [AS]  = { .bin = "cat", .bin = "cat", .cmd = "cat", },
-       [TEE] = { .bin = "tee", .bin = "tee", .cmd = "tee", },
+       [QBE] = { .bin = "qbe", .cmd = "qbe", },
+       [AS]  = { .bin = "cat", .cmd = "cat", },
+       [TEE] = { .bin = "tee", .cmd = "tee", },
 };
 
 char *argv0;
@@ -145,14 +145,13 @@ void
 build(char *file)
 {
        int tool, out, keepfile;
-       static int in = NR_TOOLS, preout;
+       static int preout;
 
        for (tool = CC1; tool < NR_TOOLS; tool = out) {
                keepfile = 0;
 
                switch (tool) {
                case CC1:
-                       in = NR_TOOLS;
                        out = Eflag ? NR_TOOLS : CC2;
                        if (!Eflag)
                                keepfile = kflag;
@@ -187,7 +186,6 @@ build(char *file)
                }
 
                spawn(settool(inittool(tool), out));
-               in = tool;
        }
        for (i = 0; i < NR_TOOLS; ++i) {
                if ((pid = tools[i].pid) == 0)