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rust-llvm: Fix build on latest musl

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latest musl has removed lfs64 functions

(From OE-Core rev: 7156416943dc6d772020465917418e3234cc7f66)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Khem Raj
2022-12-28 23:12:31 -08:00
committed by Richard Purdie
parent 755540ec8f
commit ed134c9247
2 changed files with 81 additions and 1 deletions
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79
meta/recipes-devtools/rust/rust-llvm/0035-cmake-Enable-64bit-off_t-on-32bit-glibc-systems.patch Normal file
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@@ -0,0 +1,79 @@
From cd2fa12d715929642513fc441287c402f4560096 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sun, 25 Dec 2022 15:13:41 -0800
Subject: [PATCH] build: Enable 64bit off_t on 32bit glibc systems
Pass -D_FILE_OFFSET_BITS=64 to compiler flags on 32bit glibc based
systems. This will make sure that 64bit versions of LFS functions are
used e.g. lseek will behave same as lseek64. Also revert [1] partially
because this added a cmake test to detect lseek64 but then forgot to
pass the needed macro during actual compile, this test was incomplete too
since libc implementations like musl has 64-bit off_t by default on 32-bit
systems and does not bundle -D_LARGEFILE64_SOURCE [2] under -D_GNU_SOURCE
like glibc, which means the compile now fails on musl because the cmake
check passes but we do not have _LARGEFILE64_SOURCE defined. Moreover,
Using the *64 function was transitional anyways so use
-D_FILE_OFFSET_BITS=64 instead
[1] https://github.com/llvm/llvm-project/commit/8db7e5e4eed4c4e697dc3164f2c9351d8c3e942b
[2] https://git.musl-libc.org/cgit/musl/commit/?id=25e6fee27f4a293728dd15b659170e7b9c7db9bc
Upstream-Status: Submitted [https://reviews.llvm.org/D139752]
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
llvm/cmake/config-ix.cmake | 8 +++++---
llvm/include/llvm/Config/config.h.cmake | 3 ---
llvm/lib/Support/raw_ostream.cpp | 2 --
llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn | 2 --
utils/bazel/llvm-project-overlay/llvm/config.bzl | 1 -
.../llvm/include/llvm/Config/config.h | 3 ---
utils/bazel/llvm_configs/config.h.cmake | 3 ---
7 files changed, 5 insertions(+), 17 deletions(-)
--- a/llvm/cmake/config-ix.cmake
+++ b/llvm/cmake/config-ix.cmake
@@ -284,9 +284,6 @@ check_symbol_exists(futimes sys/time.h H
if( HAVE_SIGNAL_H AND NOT LLVM_USE_SANITIZER MATCHES ".*Address.*" AND NOT APPLE )
check_symbol_exists(sigaltstack signal.h HAVE_SIGALTSTACK)
endif()
-set(CMAKE_REQUIRED_DEFINITIONS "-D_LARGEFILE64_SOURCE")
-check_symbol_exists(lseek64 "sys/types.h;unistd.h" HAVE_LSEEK64)
-set(CMAKE_REQUIRED_DEFINITIONS "")
check_symbol_exists(mallctl malloc_np.h HAVE_MALLCTL)
check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO)
check_symbol_exists(mallinfo2 malloc.h HAVE_MALLINFO2)
@@ -350,6 +347,11 @@ check_symbol_exists(__GLIBC__ stdio.h LL
if( LLVM_USING_GLIBC )
add_definitions( -D_GNU_SOURCE )
list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_GNU_SOURCE")
+# enable 64bit off_t on 32bit systems using glibc
+ if (CMAKE_SIZEOF_VOID_P EQUAL 4)
+ add_compile_definitions(_FILE_OFFSET_BITS=64)
+ list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_FILE_OFFSET_BITS=64")
+ endif()
endif()
# This check requires _GNU_SOURCE
if (NOT PURE_WINDOWS)
--- a/llvm/include/llvm/Config/config.h.cmake
+++ b/llvm/include/llvm/Config/config.h.cmake
@@ -128,9 +128,6 @@
/* Define to 1 if you have the <link.h> header file. */
#cmakedefine HAVE_LINK_H ${HAVE_LINK_H}
-/* Define to 1 if you have the `lseek64' function. */
-#cmakedefine HAVE_LSEEK64 ${HAVE_LSEEK64}
-
/* Define to 1 if you have the <mach/mach.h> header file. */
#cmakedefine HAVE_MACH_MACH_H ${HAVE_MACH_MACH_H}
--- a/llvm/lib/Support/raw_ostream.cpp
+++ b/llvm/lib/Support/raw_ostream.cpp
@@ -804,8 +804,6 @@ uint64_t raw_fd_ostream::seek(uint64_t o
flush();
#ifdef _WIN32
pos = ::_lseeki64(FD, off, SEEK_SET);
-#elif defined(HAVE_LSEEK64)
- pos = ::lseek64(FD, off, SEEK_SET);
#else
pos = ::lseek(FD, off, SEEK_SET);
#endif

3
meta/recipes-devtools/rust/rust-llvm_1.66.0.bb
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@@ -10,7 +10,8 @@ require rust-source.inc
SRC_URI += "file://0002-llvm-allow-env-override-of-exe-path.patch;striplevel=2 \
file://0001-AsmMatcherEmitter-sort-ClassInfo-lists-by-name-as-we.patch;striplevel=2 \
file://0003-llvm-fix-include-benchmarks.patch;striplevel=2"
file://0003-llvm-fix-include-benchmarks.patch;striplevel=2 \
file://0035-cmake-Enable-64bit-off_t-on-32bit-glibc-systems.patch;striplevel=2"
S = "${RUSTSRC}/src/llvm-project/llvm"