* Enable ucontext for all Linux builds with glibc 2.4 or later, not just

  with i386 and amd64.  Newer versions of glibc change internal
  structures in ways that cause the old LWP code to have stack
  overflows.  (Closes: #419903)

diff --git a/debian/changelog b/debian/changelog
index f89399307754be099e5445e534d47512f3ad4f58..7ea44ad84be19f39fd1b483acbbef596263bad4b 100644 (file)
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,5 +1,9 @@
 openafs (1.4.4.dfsg1-2) unstable; urgency=low
 
+  * Enable ucontext for all Linux builds with glibc 2.4 or later, not just
+    with i386 and amd64.  Newer versions of glibc change internal
+    structures in ways that cause the old LWP code to have stack
+    overflows.  (Closes: #419903)
   * When determining the AFS sysname for kernel module builds, add
     explicit cases for 2.6 kernels for all architectures that support them
     (everything except non-64-bit sparc_linux).  Fixes build problems with

diff --git a/debian/patches/glibc-ucontext b/debian/patches/glibc-ucontext
new file mode 100644 (file)
index 0000000..8967b12
--- /dev/null
+++ b/debian/patches/glibc-ucontext
@@ -0,0 +1,144 @@
+=== src/config/param.alpha_linux_26.h
+==================================================================
+--- src/config/param.alpha_linux_26.h  (revision 2485)
++++ src/config/param.alpha_linux_26.h  (local)
+@@ -81,6 +81,11 @@
+ #define SYS_NAME_ID    SYS_NAME_ID_alpha_linux_26
+ 
+ 
++#ifdef __GLIBC__
++#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
++#define USE_UCONTEXT
++#endif
++#endif
+ #endif /* AFS_PARAM_H */
+                                    
+ #else /* !defined(UKERNEL) */
+=== src/config/param.ia64_linux26.h
+==================================================================
+--- src/config/param.ia64_linux26.h    (revision 2485)
++++ src/config/param.ia64_linux26.h    (local)
+@@ -97,6 +97,11 @@
+ #endif /* KERNEL */
+ 
+ 
++#ifdef __GLIBC__
++#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
++#define USE_UCONTEXT
++#endif
++#endif
+ #endif /* _PARAM_IA64_LINUX20_H_ */
+ 
+ #else /* !defined(UKERNEL) */
+=== src/config/param.parisc_linux24.h
+==================================================================
+--- src/config/param.parisc_linux24.h  (revision 2485)
++++ src/config/param.parisc_linux24.h  (local)
+@@ -70,6 +70,11 @@
+ #endif
+ #endif /* KERNEL */
+ 
++#ifdef __GLIBC__
++#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
++#define USE_UCONTEXT
++#endif
++#endif
+ #endif /* AFS_PARAM_H */
+ 
+ #else /* !defined(UKERNEL) */
+=== src/config/param.ppc64_linux26.h
+==================================================================
+--- src/config/param.ppc64_linux26.h   (revision 2485)
++++ src/config/param.ppc64_linux26.h   (local)
+@@ -76,6 +76,11 @@
+ #endif
+ #endif /* KERNEL */
+ 
++#ifdef __GLIBC__
++#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
++#define USE_UCONTEXT
++#endif
++#endif
+ #endif /* _PARAM_PPC64_LINUX20_H_ */
+ 
+ #else /* !defined(UKERNEL) */
+=== src/config/param.ppc_linux26.h
+==================================================================
+--- src/config/param.ppc_linux26.h     (revision 2485)
++++ src/config/param.ppc_linux26.h     (local)
+@@ -74,6 +74,11 @@
+ #endif
+ #endif /* KERNEL */
+ 
++#ifdef __GLIBC__
++#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
++#define USE_UCONTEXT
++#endif
++#endif
+ #endif /* AFS_PARAM_H */
+ 
+ #else /* !defined(UKERNEL) */
+=== src/config/param.s390_linux26.h
+==================================================================
+--- src/config/param.s390_linux26.h    (revision 2485)
++++ src/config/param.s390_linux26.h    (local)
+@@ -86,6 +86,11 @@
+ #endif
+ #endif /* KERNEL */
+ 
++#ifdef __GLIBC__
++#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
++#define USE_UCONTEXT
++#endif
++#endif
+ #endif /* AFS_PARAM_H */
+ 
+ #else /* !defined(UKERNEL) */
+=== src/config/param.s390x_linux26.h
+==================================================================
+--- src/config/param.s390x_linux26.h   (revision 2485)
++++ src/config/param.s390x_linux26.h   (local)
+@@ -89,6 +89,11 @@
+ #endif
+ #endif /* KERNEL */
+ 
++#ifdef __GLIBC__
++#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
++#define USE_UCONTEXT
++#endif
++#endif
+ #endif /* AFS_PARAM_H */
+ 
+ #else /* !defined(UKERNEL) */
+=== src/config/param.sparc64_linux26.h
+==================================================================
+--- src/config/param.sparc64_linux26.h (revision 2485)
++++ src/config/param.sparc64_linux26.h (local)
+@@ -95,6 +95,11 @@
+ #endif
+ #endif
+ 
++#ifdef __GLIBC__
++#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
++#define USE_UCONTEXT
++#endif
++#endif
+ #endif /* _PARAM_SPARC64_LINUX26_H_ */
+ 
+ #else /* !defined(UKERNEL) */
+=== src/config/param.sparc_linux24.h
+==================================================================
+--- src/config/param.sparc_linux24.h   (revision 2485)
++++ src/config/param.sparc_linux24.h   (local)
+@@ -98,6 +98,11 @@
+ #endif
+ #endif
+ 
++#ifdef __GLIBC__
++#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
++#define USE_UCONTEXT
++#endif
++#endif
+ #endif /* AFS_PARAM_H */
+ 
+ #else /* !defined(UKERNEL) */

diff --git a/src/config/param.alpha_linux_26.h b/src/config/param.alpha_linux_26.h
index 1d44da6d742b4054bfc8dfa209710ecd9b0ee1ec..2ec3ba147797f26347aabff10ba8cca7fd053b70 100644 (file)
--- a/src/config/param.alpha_linux_26.h
+++ b/src/config/param.alpha_linux_26.h
@@ -81,6 +81,11 @@
 #define SYS_NAME_ID    SYS_NAME_ID_alpha_linux_26
 
 
+#ifdef __GLIBC__
+#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
+#define USE_UCONTEXT
+#endif
+#endif
 #endif /* AFS_PARAM_H */
                                     
 #else /* !defined(UKERNEL) */

diff --git a/src/config/param.ia64_linux26.h b/src/config/param.ia64_linux26.h
index 5f28d47a34463a375543a56ecba3bc6861dfd63e..cca359e7f2480394d3d1c2cf932be08ab3aee353 100644 (file)
--- a/src/config/param.ia64_linux26.h
+++ b/src/config/param.ia64_linux26.h
@@ -97,6 +97,11 @@
 #endif /* KERNEL */
 
 
+#ifdef __GLIBC__
+#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
+#define USE_UCONTEXT
+#endif
+#endif
 #endif /* _PARAM_IA64_LINUX20_H_ */
 
 #else /* !defined(UKERNEL) */

diff --git a/src/config/param.parisc_linux24.h b/src/config/param.parisc_linux24.h
index ad7506f5e5ea85a45c4d29a979797be7f986b570..e70234abb69b1bab23e09939573073778604d730 100644 (file)
--- a/src/config/param.parisc_linux24.h
+++ b/src/config/param.parisc_linux24.h
@@ -70,6 +70,11 @@
 #endif
 #endif /* KERNEL */
 
+#ifdef __GLIBC__
+#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
+#define USE_UCONTEXT
+#endif
+#endif
 #endif /* AFS_PARAM_H */
 
 #else /* !defined(UKERNEL) */

diff --git a/src/config/param.ppc64_linux26.h b/src/config/param.ppc64_linux26.h
index 730caf37c4fe7f251e610578f6bef86944f6d14c..11f7557bd12bb552514291770a8d7866c9927b6e 100644 (file)
--- a/src/config/param.ppc64_linux26.h
+++ b/src/config/param.ppc64_linux26.h
@@ -76,6 +76,11 @@
 #endif
 #endif /* KERNEL */
 
+#ifdef __GLIBC__
+#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
+#define USE_UCONTEXT
+#endif
+#endif
 #endif /* _PARAM_PPC64_LINUX20_H_ */
 
 #else /* !defined(UKERNEL) */

diff --git a/src/config/param.ppc_linux26.h b/src/config/param.ppc_linux26.h
index 37abeacb9dd31f47224dec99443a4f9b73044daf..d9dd4d8f9e5014ef848aa941e47517fb38ed622c 100644 (file)
--- a/src/config/param.ppc_linux26.h
+++ b/src/config/param.ppc_linux26.h
@@ -74,6 +74,11 @@
 #endif
 #endif /* KERNEL */
 
+#ifdef __GLIBC__
+#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
+#define USE_UCONTEXT
+#endif
+#endif
 #endif /* AFS_PARAM_H */
 
 #else /* !defined(UKERNEL) */

diff --git a/src/config/param.s390_linux26.h b/src/config/param.s390_linux26.h
index a941c28c384e186d7f8fc614bdd35517d4b5ad3d..cf3ebf7e12b968451626f0eb9473aac754f301d3 100644 (file)
--- a/src/config/param.s390_linux26.h
+++ b/src/config/param.s390_linux26.h
@@ -86,6 +86,11 @@
 #endif
 #endif /* KERNEL */
 
+#ifdef __GLIBC__
+#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
+#define USE_UCONTEXT
+#endif
+#endif
 #endif /* AFS_PARAM_H */
 
 #else /* !defined(UKERNEL) */

diff --git a/src/config/param.s390x_linux26.h b/src/config/param.s390x_linux26.h
index 5ad1806f46ef19cd0e01239a54ac60a351e300f7..bb3bc8515829ee53074e06e232e3d50a65ea7033 100644 (file)
--- a/src/config/param.s390x_linux26.h
+++ b/src/config/param.s390x_linux26.h
@@ -89,6 +89,11 @@
 #endif
 #endif /* KERNEL */
 
+#ifdef __GLIBC__
+#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
+#define USE_UCONTEXT
+#endif
+#endif
 #endif /* AFS_PARAM_H */
 
 #else /* !defined(UKERNEL) */

diff --git a/src/config/param.sparc64_linux26.h b/src/config/param.sparc64_linux26.h
index 68bd28a24013e429545a66f5b181277d75ec9f6c..30550e2cfa924989eefb49351fb8e8b33522c159 100644 (file)
--- a/src/config/param.sparc64_linux26.h
+++ b/src/config/param.sparc64_linux26.h
@@ -95,6 +95,11 @@
 #endif
 #endif
 
+#ifdef __GLIBC__
+#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
+#define USE_UCONTEXT
+#endif
+#endif
 #endif /* _PARAM_SPARC64_LINUX26_H_ */
 
 #else /* !defined(UKERNEL) */

diff --git a/src/config/param.sparc_linux24.h b/src/config/param.sparc_linux24.h
index 3082a524e7cf267f2a4e61c68f6f0a18afb3f50b..7373559e2f3b3e21df9d50087aefabb0466d6eb5 100644 (file)
--- a/src/config/param.sparc_linux24.h
+++ b/src/config/param.sparc_linux24.h
@@ -98,6 +98,11 @@
 #endif
 #endif
 
+#ifdef __GLIBC__
+#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 3)
+#define USE_UCONTEXT
+#endif
+#endif
 #endif /* AFS_PARAM_H */
 
 #else /* !defined(UKERNEL) */