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-rw-r--r--system/gcc/310-build-gcj-s390x.patch28
1 files changed, 28 insertions, 0 deletions
diff --git a/system/gcc/310-build-gcj-s390x.patch b/system/gcc/310-build-gcj-s390x.patch
new file mode 100644
index 000000000..1e522ee15
--- /dev/null
+++ b/system/gcc/310-build-gcj-s390x.patch
@@ -0,0 +1,28 @@
+From 697a7ba791fce2ffab2ed723d909a89684019e3d Mon Sep 17 00:00:00 2001
+From: "Tuan M. Hoang" <tmhoang@flatglobe.org>
+Date: Sun, 19 Feb 2017 17:03:33 +0000
+Subject: [PATCH] main/gcc : when building gcc-java on s390x, libgcj.so
+ complains about undefined reference to __data_start. Using
+ SEARCH_FOR_DATA_START instead solved it. Credit to Andrew Haley at RedHat.
+
+---
+ boehm-gc/include/private/gcconfig.h | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/boehm-gc/include/private/gcconfig.h b/boehm-gc/include/private/gcconfig.h
+index 4ca6a80..a15fff6 100644
+--- a/boehm-gc/include/private/gcconfig.h
++++ b/boehm-gc/include/private/gcconfig.h
+@@ -1837,8 +1837,7 @@
+ # define OS_TYPE "LINUX"
+ # define LINUX_STACKBOTTOM
+ # define DYNAMIC_LOADING
+- extern int __data_start[];
+-# define DATASTART ((ptr_t)(__data_start))
++# define SEARCH_FOR_DATA_START
+ extern int _end[];
+ # define DATAEND (_end)
+ # define CACHE_LINE_SIZE 256
+--
+2.11.1
+