[klibc] [klibc:master] [SHELL] Allow building without LINEO support

[klibc-bot for David S. Miller]

Commit-ID:  4a84d61a24296b8253b3f8f7c86ee28df53e2f3b
Gitweb:     http://git.kernel.org/?p=libs/klibc/klibc.git;a=commit;h=4a84d61a24296b8253b3f8f7c86ee28df53e2f3b
Author:     David S. Miller <davem at davemloft.net>
AuthorDate: Wed, 17 Aug 2011 09:31:17 +0800
Committer:  maximilian attems <max at stro.at>
CommitDate: Mon, 2 Jul 2012 10:46:37 +0200

[klibc] [SHELL] Allow building without LINEO support

Simply specify --disable-lineno to configure.

Signed-off-by: David S. Miller <davem at davemloft.net>
Signed-off-by: Herbert Xu <herbert at gondor.apana.org.au>
Signed-off-by: maximilian attems <max at stro.at>

---
 usr/dash/var.c |    4 ++++
 usr/dash/var.h |    6 ++++++
 2 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/usr/dash/var.c b/usr/dash/var.c
index ecc8c90..027beff 100644
--- a/usr/dash/var.c
+++ b/usr/dash/var.c
@@ -101,7 +101,9 @@ struct var varinit[] = {
 	{ 0,	VSTRFIXED|VTEXTFIXED,		"PS2=> ",	0 },
 	{ 0,	VSTRFIXED|VTEXTFIXED,		"PS4=+ ",	0 },
 	{ 0,	VSTRFIXED|VTEXTFIXED,		"OPTIND=1",	getoptsreset },
+#ifdef WITH_LINENO
 	{ 0,	VSTRFIXED|VTEXTFIXED,		linenovar,	0 },
+#endif
 #ifndef SMALL
 	{ 0,	VSTRFIXED|VTEXTFIXED|VUNSET,	"TERM\0",	0 },
 	{ 0,	VSTRFIXED|VTEXTFIXED|VUNSET,	"HISTSIZE\0",	sethistsize },
@@ -335,9 +337,11 @@ lookupvar(const char *name)
 	struct var *v;
 
 	if ((v = *findvar(hashvar(name), name)) && !(v->flags & VUNSET)) {
+#ifdef WITH_LINENO
 		if (v == &vlineno && v->text == linenovar) {
 			fmtstr(linenovar+7, sizeof(linenovar)-7, "%d", lineno);
 		}
+#endif
 		return strchrnul(v->text, '=') + 1;
 	}
 	return NULL;
diff --git a/usr/dash/var.h b/usr/dash/var.h
index 4c02eb2..1a06a3c 100644
--- a/usr/dash/var.h
+++ b/usr/dash/var.h
@@ -88,9 +88,15 @@ extern struct var varinit[];
 #define vps2 (&vps1)[1]
 #define vps4 (&vps2)[1]
 #define voptind (&vps4)[1]
+#ifdef WITH_LINENO
 #define vlineno (&voptind)[1]
+#endif
 #ifndef SMALL
+#ifdef WITH_LINENO
 #define vterm (&vlineno)[1]
+#else
+#define vterm (&voptind)[1]
+#endif
 #define vhistsize (&vterm)[1]
 #endif