From e9a6f3c6f912a6f7e0ace9194491baefceff2b0b Mon Sep 17 00:00:00 2001 From: Khem Raj Date: Fri, 30 Dec 2022 12:32:53 -0800 Subject: llvm: Do not use lseek64 Fixes build with musl where the LFS64 functions are deprecated (From OE-Core rev: f543f51b2060a718685c82ee6f7d59bb0723e7bf) Signed-off-by: Khem Raj Signed-off-by: Richard Purdie --- ...Enable-64bit-off_t-on-32bit-glibc-systems.patch | 79 ++++++++++++++++++++++ meta/recipes-devtools/llvm/llvm_git.bb | 1 + 2 files changed, 80 insertions(+) create mode 100644 meta/recipes-devtools/llvm/llvm/0035-cmake-Enable-64bit-off_t-on-32bit-glibc-systems.patch (limited to 'meta/recipes-devtools/llvm') diff --git a/meta/recipes-devtools/llvm/llvm/0035-cmake-Enable-64bit-off_t-on-32bit-glibc-systems.patch b/meta/recipes-devtools/llvm/llvm/0035-cmake-Enable-64bit-off_t-on-32bit-glibc-systems.patch new file mode 100644 index 0000000000..fe98e3e4c0 --- /dev/null +++ b/meta/recipes-devtools/llvm/llvm/0035-cmake-Enable-64bit-off_t-on-32bit-glibc-systems.patch @@ -0,0 +1,79 @@ +From cd2fa12d715929642513fc441287c402f4560096 Mon Sep 17 00:00:00 2001 +From: Khem Raj +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 +--- + 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 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 header file. */ + #cmakedefine HAVE_MACH_MACH_H ${HAVE_MACH_MACH_H} + +--- a/llvm/lib/Support/raw_ostream.cpp ++++ b/llvm/lib/Support/raw_ostream.cpp +@@ -804,8 +804,6 @@ uint64_t raw_fd_ostream::seek(uint64_t o + flush(); + #ifdef _WIN32 + pos = ::_lseeki64(FD, off, SEEK_SET); +-#elif defined(HAVE_LSEEK64) +- pos = ::lseek64(FD, off, SEEK_SET); + #else + pos = ::lseek(FD, off, SEEK_SET); + #endif diff --git a/meta/recipes-devtools/llvm/llvm_git.bb b/meta/recipes-devtools/llvm/llvm_git.bb index 402460ee10..77fccbccc2 100644 --- a/meta/recipes-devtools/llvm/llvm_git.bb +++ b/meta/recipes-devtools/llvm/llvm_git.bb @@ -30,6 +30,7 @@ SRCREV = "088f33605d8a61ff519c580a71b1dd57d16a03f8" SRC_URI = "git://github.com/llvm/llvm-project.git;branch=${BRANCH};protocol=https \ file://0007-llvm-allow-env-override-of-exe-path.patch;striplevel=2 \ file://0001-AsmMatcherEmitter-sort-ClassInfo-lists-by-name-as-we.patch;striplevel=2 \ + file://0035-cmake-Enable-64bit-off_t-on-32bit-glibc-systems.patch;striplevel=2 \ file://llvm-config \ " -- cgit v1.2.3-54-g00ecf