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heaptrack: fix gcc14 build

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meator 2025-04-16 18:14:06 +02:00 • committed by classabbyamp
parent 1de43be473
commit 7b1e57b789
1 changed files with 45 additions and 0 deletions
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srcpkgs/heaptrack/patches/fix-gcc14.patch Normal file
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From c6c45f3455a652c38aefa402aece5dafa492e8ab Mon Sep 17 00:00:00 2001
From: Florian Weimer <fweimer@redhat.com>
Date: Fri, 15 Dec 2023 22:53:19 +0100
Subject: [PATCH] cmake: Fix C compatibility of libunwind probes
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Future compilers such as GCC 14 are likely to enforce C type
compatibility rules by default and report errors like this one:
…/TryCompile-aAxUZn/src.c: In function ‘main’:
…/TryCompile-aAxUZn/src.c:3:43: error: passing argument 1 of ‘unw_backtrace’ from incompatible pointer type
3 | int main() { void* buf[10]; unw_backtrace(&buf, 10); return 0; }
| ^~~~
| |
| void * (*)[10]
In file included from /usr/include/libunwind-x86_64.h:129,
from /usr/include/libunwind.h:23,
from …/TryCompile-aAxUZn/src.c:2:
/usr/include/libunwind-common.h:318:27: note: expected ‘void **’ but argument is of type ‘void * (*)[10]’
318 | extern int unw_backtrace (void **, int);
| ^~~~~~~
Removing the address operator ensures that the array type decays to
a pointer, and that the types are compatible.
---
cmake/FindLibunwind.cmake | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/cmake/FindLibunwind.cmake b/cmake/FindLibunwind.cmake
index 2dddfad9..d597de9c 100644
--- a/cmake/FindLibunwind.cmake
+++ b/cmake/FindLibunwind.cmake
@@ -57,8 +57,8 @@ if (LIBUNWIND_LIBRARY)
LIBUNWIND_HAS_UNW_GETCONTEXT)
check_c_source_compiles("#define UNW_LOCAL_ONLY 1\n#include <libunwind.h>\nint main() { unw_context_t context; unw_cursor_t cursor; unw_getcontext(&context); unw_init_local(&cursor, &context); return 0; }"
LIBUNWIND_HAS_UNW_INIT_LOCAL)
- check_c_source_compiles("#define UNW_LOCAL_ONLY 1\n#include <libunwind.h>\nint main() { void* buf[10]; unw_backtrace(&buf, 10); return 0; }" LIBUNWIND_HAS_UNW_BACKTRACE)
- check_c_source_compiles ("#define UNW_LOCAL_ONLY 1\n#include <libunwind.h>\nint main() { void* buf[10]; unw_backtrace_skip(&buf, 10, 2); return 0; }" LIBUNWIND_HAS_UNW_BACKTRACE_SKIP)
+ check_c_source_compiles("#define UNW_LOCAL_ONLY 1\n#include <libunwind.h>\nint main() { void* buf[10]; unw_backtrace(buf, 10); return 0; }" LIBUNWIND_HAS_UNW_BACKTRACE)
+ check_c_source_compiles ("#define UNW_LOCAL_ONLY 1\n#include <libunwind.h>\nint main() { void* buf[10]; unw_backtrace_skip(buf, 10, 2); return 0; }" LIBUNWIND_HAS_UNW_BACKTRACE_SKIP)
check_c_source_compiles ("#define UNW_LOCAL_ONLY 1\n#include <libunwind.h>\nint main() { return unw_set_cache_size(unw_local_addr_space, 1024, 0); }" LIBUNWIND_HAS_UNW_SET_CACHE_SIZE)
check_c_source_compiles ("#define UNW_LOCAL_ONLY 1\n#include <libunwind.h>\nint main() { return unw_set_caching_policy(unw_local_addr_space, UNW_CACHE_PER_THREAD); }" LIBUNWIND_HAS_UNW_CACHE_PER_THREAD)
set(CMAKE_REQUIRED_QUIET ${CMAKE_REQUIRED_QUIET_SAVE})