bc: add patch to fix segmentation fault

When run 'bc -l', it segmentation faults. Apply patch from BLFS to fix it.

Ref:
http://www.mail-archive.com/blfs-support@linuxfromscratch.org/msg04601.html

(From OE-Core rev: ae3158e0cfbfa1f1027976bff34ad502eeb28583)

Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 30 insertions, 1 deletions

diff --git a/meta/recipes-extended/bc/bc_1.06.bb b/meta/recipes-extended/bc/bc_1.06.bb
index fe9c3f462f..4b28fadb73 100644
--- a/meta/recipes-extended/bc/bc_1.06.bb
+++ b/meta/recipes-extended/bc/bc_1.06.bb
@@ -13,7 +13,8 @@ SECTION = "base"
 DEPENDS = "flex"
 PR = "r2"
 
-SRC_URI = "${GNU_MIRROR}/bc/bc-${PV}.tar.gz"
+SRC_URI = "${GNU_MIRROR}/bc/bc-${PV}.tar.gz \
+           file://fix-segment-fault.patch "
 
 SRC_URI[md5sum] = "d44b5dddebd8a7a7309aea6c36fda117"
 SRC_URI[sha256sum] = "4ef6d9f17c3c0d92d8798e35666175ecd3d8efac4009d6457b5c99cea72c0e33"
diff --git a/meta/recipes-extended/bc/files/fix-segment-fault.patch b/meta/recipes-extended/bc/files/fix-segment-fault.patch
new file mode 100644
index 0000000000..20c0da2ebe
--- /dev/null
+++ b/meta/recipes-extended/bc/files/fix-segment-fault.patch
@@ -0,0 +1,28 @@
+Upstream-Status: Pending
+
+when run command such as 'echo "a = 13" | bc -l', it segmentation faults.
+This patch is from http://www.mail-archive.com/blfs-support@linuxfromscratch.org/msg04602.html.
+
+Signed-off-by: Kai Kang <kai.kang@windriver.com>
+
+--- bc-1.06/lib/number.c.orig   2003-09-26 21:14:02.000000000 +0000
++++ bc-1.06/lib/number.c        2003-09-26 21:14:26.000000000 +0000
+@@ -34,6 +34,7 @@
+ #include <number.h>
+ #include <assert.h>
+ #include <stdlib.h>
++#include <string.h>
+ #include <ctype.h>/* Prototypes needed for external utility routines. */
+ 
+ #define bc_rt_warn rt_warn
+--- bc-1.06/bc/load.c.orig      2003-09-26 21:14:14.000000000 +0000
++++ bc-1.06/bc/load.c   2003-09-26 21:14:26.000000000 +0000
+@@ -156,7 +156,7 @@
+   long  label_no;
+   long  vaf_name;      /* variable, array or function number. */
+   long  func;
+-  program_counter save_adr;
++  static program_counter save_adr;
+ 
+   /* Initialize. */
+   str = code;