Simply specify --disable-lineno to configure.
Signed-off-by: David S. Miller <[email protected]>
---
configure.ac | 5 +++++
src/var.c | 4 ++++
src/var.h | 6 ++++++
3 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/configure.ac b/configure.ac
index 7eae954..96b6310 100644
--- a/configure.ac
+++ b/configure.ac
@@ -131,5 +131,10 @@ if test "$use_libedit" != "yes"; then
else
export LIBS="$LIBS -ledit"
fi
+AC_ARG_ENABLE(lineno, AS_HELP_STRING(--disable-lineno, \
+ [Disable LINENO support]))
+if test "$enable_lineno" != "no"; then
+ AC_DEFINE([WITH_LINENO], 1, [Define if you build with -DWITH_LINENO])
+fi
AC_CONFIG_FILES([Makefile src/Makefile])
AC_OUTPUT
diff --git a/src/var.c b/src/var.c
index ecc8c90..027beff 100644
--- a/src/var.c
+++ b/src/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/src/var.h b/src/var.h
index 54f7b2d..79ee71a 100644
--- a/src/var.h
+++ b/src/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
--
1.7.6.401.g6a319
--
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