0.159-7 Add configure check to elfutils-aarch64-user_regs_struct.patch.
This commit is contained in:
Mark Wielaard
parent
77215a9ded
commit
7e31ec20e1
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@ -1,8 +1,42 @@
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commit 5df2dc63e96808afb1602d4338e30dbca560a656
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Author: Kyle McMartin <kyle@redhat.com>
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Date: Mon Jun 9 21:06:26 2014 +0200
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aarch64: use <sys/user.h> defined register structures
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glibc now supplies these (compatible) structs instead of including the
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kernel's <asm/ptrace.h> header, so let's use them. Annoyingly this will
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cause new elfutils to FTBFS on old glibc, and vice versa. So include a
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new configure check for the new struct names and use the old ones if
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they are not avilable.
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Signed-off-by: Kyle McMartin <kyle@redhat.com>
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Signed-off-by: Mark Wielaard <mjw@redhat.com>
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diff --git a/backends/aarch64_initreg.c b/backends/aarch64_initreg.c
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index 2492d56..8d68a6e 100644
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index 2492d56..9706205 100644
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--- a/backends/aarch64_initreg.c
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+++ b/backends/aarch64_initreg.c
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@@ -51,7 +51,7 @@ aarch64_set_initial_registers_tid (pid_t tid __attribute__ ((unused)),
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@@ -1,5 +1,5 @@
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/* Fetch live process registers from TID.
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- Copyright (C) 2013 Red Hat, Inc.
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+ Copyright (C) 2013, 2014 Red Hat, Inc.
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This file is part of elfutils.
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This file is free software; you can redistribute it and/or modify
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@@ -36,6 +36,11 @@
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# include <linux/uio.h>
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# include <sys/user.h>
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# include <sys/ptrace.h>
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+/* Deal with old glibc defining user_pt_regs instead of user_regs_struct. */
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+# ifndef HAVE_SYS_USER_REGS
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+# define user_regs_struct user_pt_regs
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+# define user_fpsimd_struct user_fpsimd_state
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+# endif
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#endif
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#define BACKEND aarch64_
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@@ -51,7 +56,7 @@ aarch64_set_initial_registers_tid (pid_t tid __attribute__ ((unused)),
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#else /* __aarch64__ */
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/* General registers. */
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@ -11,7 +45,7 @@ index 2492d56..8d68a6e 100644
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struct iovec iovec;
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iovec.iov_base = &gregs;
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iovec.iov_len = sizeof (gregs);
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@@ -69,7 +69,7 @@ aarch64_set_initial_registers_tid (pid_t tid __attribute__ ((unused)),
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@@ -69,7 +74,7 @@ aarch64_set_initial_registers_tid (pid_t tid __attribute__ ((unused)),
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/* ELR cannot be found. */
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/* FP registers (only 64bits are used). */
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@ -21,10 +55,21 @@ index 2492d56..8d68a6e 100644
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iovec.iov_len = sizeof (fregs);
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if (ptrace (PTRACE_GETREGSET, tid, NT_FPREGSET, &iovec) != 0)
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diff --git a/backends/arm_initreg.c b/backends/arm_initreg.c
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index 5837383..1edf62b 100644
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index 5837383..a0a9be9 100644
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--- a/backends/arm_initreg.c
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+++ b/backends/arm_initreg.c
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@@ -67,7 +67,7 @@ arm_set_initial_registers_tid (pid_t tid __attribute__ ((unused)),
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@@ -40,6 +40,10 @@
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# include <linux/uio.h>
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# include <sys/user.h>
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# include <sys/ptrace.h>
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+/* Deal with old glibc defining user_pt_regs instead of user_regs_struct. */
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+# ifndef HAVE_SYS_USER_REGS
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+# define user_regs_struct user_pt_regs
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+# endif
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#endif
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#define BACKEND arm_
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@@ -67,7 +71,7 @@ arm_set_initial_registers_tid (pid_t tid __attribute__ ((unused)),
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#elif defined __aarch64__
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/* Compat mode: arm compatible code running on aarch64 */
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int i;
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@ -33,3 +78,129 @@ index 5837383..1edf62b 100644
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struct iovec iovec;
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iovec.iov_base = &gregs;
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iovec.iov_len = sizeof (gregs);
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diff --git a/configure.ac b/configure.ac
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index 1d79597..f9c3c30 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -301,6 +301,19 @@ eu_version=$(( (eu_version + 999) / 1000 ))
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AC_CHECK_SIZEOF(long)
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+# On aarch64 before glibc 2.20 we would get the kernel user_pt_regs instead
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+# of the user_regs_struct from sys/user.h. They are structurally the same
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+# but we get either one or the other.
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+AC_CHECK_TYPE([struct user_regs_struct],
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+ [sys_user_has_user_regs=yes], [sys_user_has_user_regs=no],
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+ [[#include <sys/ptrace.h>]
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+ [#include <sys/time.h>]
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+ [#include <sys/user.h>]])
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+if test "$sys_user_has_user_regs" = "yes"; then
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+ AC_DEFINE(HAVE_SYS_USER_REGS, 1,
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+ [Define to 1 if <sys/user.h> defines struct user_regs_struct])
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+fi
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+
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# On a 64-bit host where can can use $CC -m32, we'll run two sets of tests.
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# Likewise in a 32-bit build on a host where $CC -m64 works.
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utrace_BIARCH
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diff -ur elfutils-0.159.orig/configure elfutils-0.159/configure
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--- elfutils-0.159.orig/configure 2014-07-18 14:30:42.842641862 +0200
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+++ elfutils-0.159/configure 2014-07-18 14:31:24.142166792 +0200
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@@ -1939,6 +1939,60 @@
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eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
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} # ac_fn_c_check_header_compile
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+
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+# ac_fn_c_check_type LINENO TYPE VAR INCLUDES
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+# -------------------------------------------
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+# Tests whether TYPE exists after having included INCLUDES, setting cache
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+# variable VAR accordingly.
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+ac_fn_c_check_type ()
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+{
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+ as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
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+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
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+$as_echo_n "checking for $2... " >&6; }
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+if eval \${$3+:} false; then :
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+ $as_echo_n "(cached) " >&6
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+else
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+ eval "$3=no"
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+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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+/* end confdefs.h. */
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+$4
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+int
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+main ()
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+{
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+if (sizeof ($2))
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+ return 0;
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+ ;
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+ return 0;
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+}
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+_ACEOF
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+if ac_fn_c_try_compile "$LINENO"; then :
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+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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+/* end confdefs.h. */
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+$4
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+int
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+main ()
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+{
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+if (sizeof (($2)))
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+ return 0;
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+ ;
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+ return 0;
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+}
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+_ACEOF
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+if ac_fn_c_try_compile "$LINENO"; then :
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+
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+else
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+ eval "$3=yes"
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+fi
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+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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+fi
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+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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+fi
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+eval ac_res=\$$3
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+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
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+$as_echo "$ac_res" >&6; }
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+ eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
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+
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+} # ac_fn_c_check_type
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cat >config.log <<_ACEOF
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This file contains any messages produced by compilers while
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running configure, to aid debugging if configure makes a mistake.
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@@ -6233,6 +6287,25 @@
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+# On aarch64 before glibc 2.20 we would get the kernel user_pt_regs instead
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+# of the user_regs_struct from sys/user.h. They are structurally the same
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+# but we get either one or the other.
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+ac_fn_c_check_type "$LINENO" "struct user_regs_struct" "ac_cv_type_struct_user_regs_struct" "#include <sys/ptrace.h>
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+ #include <sys/time.h>
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+ #include <sys/user.h>
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+"
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+if test "x$ac_cv_type_struct_user_regs_struct" = xyes; then :
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+ sys_user_has_user_regs=yes
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+else
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+ sys_user_has_user_regs=no
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+fi
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+
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+if test "$sys_user_has_user_regs" = "yes"; then
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+
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+$as_echo "#define HAVE_SYS_USER_REGS 1" >>confdefs.h
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+
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+fi
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+
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# On a 64-bit host where can can use $CC -m32, we'll run two sets of tests.
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# Likewise in a 32-bit build on a host where $CC -m64 works.
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $CC option for 32-bit word size" >&5
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--- elfutils-0.159.orig/config.h.in 2014-07-18 14:30:42.813641492 +0200
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+++ elfutils-0.159/config.h.in 2014-07-18 15:19:18.000000000 +0200
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@@ -27,6 +27,9 @@
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/* Define to 1 if you have the <sys/types.h> header file. */
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#undef HAVE_SYS_TYPES_H
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+/* Define to 1 if <sys/user.h> defines struct user_regs_struct */
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+#undef HAVE_SYS_USER_REGS
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+
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/* Define to 1 if you have the <unistd.h> header file. */
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#undef HAVE_UNISTD_H
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@ -1,7 +1,7 @@
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Name: elfutils
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Summary: A collection of utilities and DSOs to handle compiled objects
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Version: 0.159
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%global baserelease 6
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%global baserelease 7
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URL: https://fedorahosted.org/elfutils/
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%global source_url http://fedorahosted.org/releases/e/l/elfutils/%{version}/
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License: GPLv3+ and (GPLv2+ or LGPLv3+)
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@ -345,6 +345,9 @@ rm -rf ${RPM_BUILD_ROOT}
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%{_libdir}/libelf.a
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%changelog
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* Fri Jul 18 2014 Mark Wielaard <mjw@redhat.com> - 0.159-7
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- Add configure check to elfutils-aarch64-user_regs_struct.patch.
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* Sat Jul 12 2014 Tom Callaway <spot@fedoraproject.org> - 0.159-6
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- fix license handling
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