gcc-4.9: fixup build with glibc-2.26

Upstream didn't backport this, but fortunately it wasn't too hard.
This commit is contained in:
Vladimír Čunát 2017-11-07 12:55:10 +01:00
parent 2b995c544d
commit 8da04338d7
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2 changed files with 79 additions and 0 deletions

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@ -72,6 +72,7 @@ let version = "4.9.4";
# target libraries and tools.
++ optional langAda ../gnat-cflags.patch
++ optional langFortran ../gfortran-driving.patch
++ [ ../struct-ucontext.patch ../struct-sigaltstack-4.9.patch ] # glibc-2.26
;
javaEcj = fetchurl {

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@ -0,0 +1,78 @@
hand-resolved trivial conflicts for 4.9 from the upstream patch
72edc2c02f8b4768ad660f46a1c7e2400c0a8e06
diff --git a/libsanitizer/sanitizer_common/sanitizer_linux.cc b/libsanitizer/sanitizer_common/sanitizer_linux.cc
index 69c9c10..8e53673 100644
--- a/libsanitizer/sanitizer_common/sanitizer_linux.cc
+++ b/libsanitizer/sanitizer_common/sanitizer_linux.cc
@@ -599,8 +599,7 @@ uptr internal_prctl(int option, uptr arg2, uptr arg3, uptr arg4, uptr arg5) {
return internal_syscall(__NR_prctl, option, arg2, arg3, arg4, arg5);
}
-uptr internal_sigaltstack(const struct sigaltstack *ss,
- struct sigaltstack *oss) {
+uptr internal_sigaltstack(const void *ss, void *oss) {
return internal_syscall(__NR_sigaltstack, (uptr)ss, (uptr)oss);
}
diff --git a/libsanitizer/sanitizer_common/sanitizer_linux.h b/libsanitizer/sanitizer_common/sanitizer_linux.h
index 6422df1..8e111d1 100644
--- a/libsanitizer/sanitizer_common/sanitizer_linux.h
+++ b/libsanitizer/sanitizer_common/sanitizer_linux.h
@@ -18,7 +18,6 @@
#include "sanitizer_platform_limits_posix.h"
struct link_map; // Opaque type returned by dlopen().
-struct sigaltstack;
namespace __sanitizer {
// Dirent structure for getdents(). Note that this structure is different from
@@ -28,8 +27,7 @@ struct linux_dirent;
// Syscall wrappers.
uptr internal_getdents(fd_t fd, struct linux_dirent *dirp, unsigned int count);
uptr internal_prctl(int option, uptr arg2, uptr arg3, uptr arg4, uptr arg5);
-uptr internal_sigaltstack(const struct sigaltstack* ss,
- struct sigaltstack* oss);
+uptr internal_sigaltstack(const void* ss, void* oss);
uptr internal_sigaction(int signum, const __sanitizer_kernel_sigaction_t *act,
__sanitizer_kernel_sigaction_t *oldact);
uptr internal_sigprocmask(int how, __sanitizer_kernel_sigset_t *set,
diff --git a/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc b/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
index 891386dc..234e8c6 100644
--- a/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
+++ b/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
@@ -273,7 +273,7 @@ static int TracerThread(void* argument) {
// Alternate stack for signal handling.
InternalScopedBuffer<char> handler_stack_memory(kHandlerStackSize);
- struct sigaltstack handler_stack;
+ stack_t handler_stack;
internal_memset(&handler_stack, 0, sizeof(handler_stack));
handler_stack.ss_sp = handler_stack_memory.data();
handler_stack.ss_size = kHandlerStackSize;
diff --git a/libsanitizer/tsan/tsan_platform_linux.cc b/libsanitizer/tsan/tsan_platform_linux.cc
index 2ed5718..6f972ab 100644
--- a/libsanitizer/tsan/tsan_platform_linux.cc
+++ b/libsanitizer/tsan/tsan_platform_linux.cc
@@ -287,7 +287,7 @@ void InitializePlatform() {
int ExtractResolvFDs(void *state, int *fds, int nfd) {
#if SANITIZER_LINUX && !SANITIZER_ANDROID
int cnt = 0;
- __res_state *statp = (__res_state*)state;
+ struct __res_state *statp = (struct __res_state*)state;
for (int i = 0; i < MAXNS && cnt < nfd; i++) {
if (statp->_u._ext.nsaddrs[i] && statp->_u._ext.nssocks[i] != -1)
fds[cnt++] = statp->_u._ext.nssocks[i];
error: 'SIGSEGV' was not declared in this scope
diff --git a/libsanitizer/asan/asan_linux.cc b/libsanitizer/asan/asan_linux.cc
index 0692eb1..472f734 100644
--- a/libsanitizer/asan/asan_linux.cc
+++ b/libsanitizer/asan/asan_linux.cc
@@ -26,6 +26,7 @@
#include <sys/types.h>
#include <fcntl.h>
#include <pthread.h>
+#include <signal.h>
#include <stdio.h>
#include <unistd.h>
#include <unwind.h>