From ec423d627d7b780c04fe2db327895e55393bc525 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Wed, 7 Aug 2019 17:56:22 +0200
Subject: extra/libstdc++: patched ucontext as for 64-bit

---
 extra/libstdc++5/PKGBUILD                       | 15 +++++++++++++++
 extra/libstdc++5/gcc-3.3.6-ucontext-32bit.patch | 12 ++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 extra/libstdc++5/PKGBUILD
 create mode 100644 extra/libstdc++5/gcc-3.3.6-ucontext-32bit.patch

diff --git a/extra/libstdc++5/PKGBUILD b/extra/libstdc++5/PKGBUILD
new file mode 100644
index 00000000..ad8e2710
--- /dev/null
+++ b/extra/libstdc++5/PKGBUILD
@@ -0,0 +1,15 @@
+# backport missing ucontext_t fix
+
+source+=('gcc-3.3.6-ucontext-32bit.patch')
+md5sums+=('6deb06cd6acf74afa71fb8e9d5921cd4')
+
+eval "$(
+  declare -f prepare | \
+    sed '
+      /mkdir/ i \
+        patch -p1 -i "$srcdir/gcc-3.3.6-ucontext-32bit.patch"
+    '
+)"
+
+# for now disable testing, needs many more fixes
+unset check
diff --git a/extra/libstdc++5/gcc-3.3.6-ucontext-32bit.patch b/extra/libstdc++5/gcc-3.3.6-ucontext-32bit.patch
new file mode 100644
index 00000000..81ab4c60
--- /dev/null
+++ b/extra/libstdc++5/gcc-3.3.6-ucontext-32bit.patch
@@ -0,0 +1,12 @@
+diff -rauN gcc-3.3.6/gcc/config/i386/linux.h gcc-3.3.6-patch/gcc/config/i386/linux.h
+--- gcc-3.3.6/gcc/config/i386/linux.h	2019-08-07 17:42:49.368565918 +0200
++++ gcc-3.3.6-patch/gcc/config/i386/linux.h	2019-08-07 17:44:14.256537234 +0200
+@@ -260,7 +260,7 @@
+ 	  siginfo_t *pinfo;					\
+ 	  void *puc;							\
+ 	  siginfo_t info;						\
+-	  struct ucontext uc;						\
++	  ucontext_t uc;						\
+ 	} *rt_ = (CONTEXT)->cfa;					\
+ 	sc_ = (struct sigcontext *) &rt_->uc.uc_mcontext;		\
+       }									\
-- 
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