Patrick Franz
2 years ago
parent
4ec5444a7a
commit
b477dd62fc
@ -1,47 +0,0 @@
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From 7c54988b1b3b9eb4d2f3650c1ba5ffe97673ca92 Mon Sep 17 00:00:00 2001
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From: Pino Toscano <toscano.pino@tiscali.it>
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Date: Thu, 10 Feb 2022 08:26:11 +0100
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Subject: [PATCH] Avoid a stack buffer when not needed
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Allocate a PATH_MAX-sized buffer on stack only in case we are not using
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realpath(X, null), i.e. on platforms with older POSIX versions, macOS,
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or Android.
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This fixes the build on platforms that do not have PATH_MAX (e.g.
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GNU/Hurd), and it provides a minor optimization on realpath(X, null)
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platforms.
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Change-Id: Icd92a1b15ec18c5eef8113408e9610dfac774101
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Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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---
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src/corelib/io/qfilesystemengine_unix.cpp | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/src/corelib/io/qfilesystemengine_unix.cpp b/src/corelib/io/qfilesystemengine_unix.cpp
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index 6e8229daec..fb66d47d38 100644
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--- a/src/corelib/io/qfilesystemengine_unix.cpp
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+++ b/src/corelib/io/qfilesystemengine_unix.cpp
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@@ -686,7 +686,9 @@ QFileSystemEntry QFileSystemEngine::canonicalName(const QFileSystemEntry &entry,
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Q_UNUSED(data);
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return QFileSystemEntry(slowCanonicalized(absoluteName(entry).filePath()));
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#else
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+# if defined(Q_OS_DARWIN) || defined(Q_OS_ANDROID) || _POSIX_VERSION < 200801L
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char stack_result[PATH_MAX+1];
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+# endif
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char *resolved_name = nullptr;
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# if defined(Q_OS_DARWIN) || defined(Q_OS_ANDROID)
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// On some Android and macOS versions, realpath() will return a path even if
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@@ -714,8 +716,10 @@ QFileSystemEntry QFileSystemEngine::canonicalName(const QFileSystemEntry &entry,
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data.knownFlagsMask |= QFileSystemMetaData::ExistsAttribute;
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data.entryFlags |= QFileSystemMetaData::ExistsAttribute;
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QString canonicalPath = QDir::cleanPath(QFile::decodeName(resolved_name));
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+# if defined(Q_OS_DARWIN) || defined(Q_OS_ANDROID) || _POSIX_VERSION < 200801L
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if (resolved_name != stack_result)
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free(resolved_name);
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+# endif
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return QFileSystemEntry(canonicalPath);
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} else if (errno == ENOENT || errno == ENOTDIR) { // file doesn't exist
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data.knownFlagsMask |= QFileSystemMetaData::ExistsAttribute;
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--
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2.34.1
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@ -1,143 +0,0 @@
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From 099e0fff61f080e2d628c8f472df78f6fd2f5234 Mon Sep 17 00:00:00 2001
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From: Pino Toscano <toscano.pino@tiscali.it>
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Date: Sun, 21 Nov 2021 08:59:56 +0100
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Subject: [PATCH] CMake: add support for GNU/Hurd
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Add a "HURD" CMake platform specification, so it can be properly
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checked in the build system.
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Set QT_DEFAULT_MKSPEC to the existing hurd-g++ mkspec.
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Hurd supports $ORIGIN in RPATH, so enable it.
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Hurd uses X11, so add it to the X11_SUPPORTED list.
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Enable few more feature checks that apply to Hurd as well: either
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because they are provided by GNU libc itself, or because they are
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implemented on Hurd.
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Check and set the ELF interpreter, as it is a common functionality of
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the GNU toolchain.
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Change-Id: Id347033560bbc5a2a4e2c3abb493c948c002b40e
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Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
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Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
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Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
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Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
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---
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cmake/QtBuild.cmake | 2 ++
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cmake/QtPlatformSupport.cmake | 1 +
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cmake/QtRpathHelpers.cmake | 2 +-
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src/corelib/CMakeLists.txt | 2 +-
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src/corelib/configure.cmake | 8 ++++----
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src/gui/configure.cmake | 2 +-
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6 files changed, 10 insertions(+), 7 deletions(-)
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diff --git a/cmake/QtBuild.cmake b/cmake/QtBuild.cmake
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index b06dec60d8..d267f560c1 100644
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--- a/cmake/QtBuild.cmake
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+++ b/cmake/QtBuild.cmake
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@@ -362,6 +362,8 @@ elseif(SOLARIS)
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set(QT_DEFAULT_MKSPEC solaris-cc)
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endif()
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endif()
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+elseif(HURD)
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+ set(QT_DEFAULT_MKSPEC hurd-g++)
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endif()
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if(NOT QT_QMAKE_TARGET_MKSPEC)
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diff --git a/cmake/QtPlatformSupport.cmake b/cmake/QtPlatformSupport.cmake
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index c8462043c9..44db95d807 100644
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--- a/cmake/QtPlatformSupport.cmake
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+++ b/cmake/QtPlatformSupport.cmake
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@@ -18,6 +18,7 @@ qt_set01(FREEBSD CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") # FIXME: How to identify
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qt_set01(NETBSD CMAKE_SYSTEM_NAME STREQUAL "NetBSD") # FIXME: How to identify this?
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qt_set01(WASM CMAKE_SYSTEM_NAME STREQUAL "Emscripten" OR EMSCRIPTEN)
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qt_set01(SOLARIS CMAKE_SYSTEM_NAME STREQUAL "SunOS")
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+qt_set01(HURD CMAKE_SYSTEM_NAME STREQUAL "GNU")
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# This is the only reliable way we can determine the webOS platform as the yocto recipe adds this
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# compile definition into its generated toolchain.cmake file
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diff --git a/cmake/QtRpathHelpers.cmake b/cmake/QtRpathHelpers.cmake
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index 6e3414b50f..cbe33a6b77 100644
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--- a/cmake/QtRpathHelpers.cmake
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+++ b/cmake/QtRpathHelpers.cmake
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@@ -20,7 +20,7 @@ function(qt_compute_relative_rpath_base rpath install_location out_var)
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# needed in the .prf files, but for CMake we need to prepend them ourselves.
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if(APPLE)
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set(rpath_rel_base "@loader_path")
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- elseif(LINUX OR SOLARIS OR FREEBSD)
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+ elseif(LINUX OR SOLARIS OR FREEBSD OR HURD)
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set(rpath_rel_base "$ORIGIN")
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else()
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message(WARNING "No known RPATH_REL_BASE for target platform.")
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diff --git a/src/corelib/CMakeLists.txt b/src/corelib/CMakeLists.txt
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index c1259150ab..be4bc7b2de 100644
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--- a/src/corelib/CMakeLists.txt
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+++ b/src/corelib/CMakeLists.txt
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@@ -339,7 +339,7 @@ set_property(TARGET Core APPEND PROPERTY
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PRIVATE_HEADER "${CMAKE_CURRENT_BINARY_DIR}/global/qconfig_p.h")
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# Find ELF interpreter and define a macro for that:
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-if (LINUX AND NOT CMAKE_CROSSCOMPILING AND BUILD_SHARED_LIBS)
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+if ((LINUX OR HURD) AND NOT CMAKE_CROSSCOMPILING AND BUILD_SHARED_LIBS)
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if (NOT DEFINED ELF_INTERPRETER)
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execute_process(COMMAND ${CMAKE_COMMAND} -E env LC_ALL=C readelf -l /bin/ls
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RESULT_VARIABLE readelf_ok
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diff --git a/src/corelib/configure.cmake b/src/corelib/configure.cmake
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index 08d1e0d976..71e237ae9c 100644
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--- a/src/corelib/configure.cmake
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+++ b/src/corelib/configure.cmake
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@@ -578,7 +578,7 @@ qt_feature("glib" PUBLIC PRIVATE
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qt_feature_definition("glib" "QT_NO_GLIB" NEGATE VALUE "1")
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qt_feature("glibc" PRIVATE
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LABEL "GNU libc"
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- AUTODETECT LINUX
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+ AUTODETECT ( LINUX OR HURD )
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CONDITION TEST_glibc
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)
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qt_feature("icu" PRIVATE
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@@ -612,7 +612,7 @@ qt_feature("system-libb2" PRIVATE
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# Currently only used by QTemporaryFile; linkat() exists on Android, but hardlink creation fails due to security rules
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qt_feature("linkat" PRIVATE
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LABEL "linkat()"
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- AUTODETECT LINUX AND NOT ANDROID
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+ AUTODETECT ( LINUX AND NOT ANDROID ) OR HURD
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CONDITION TEST_linkat
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)
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qt_feature("std-atomic64" PUBLIC
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@@ -669,7 +669,7 @@ qt_feature("qqnx_pps" PRIVATE
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)
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qt_feature("renameat2" PRIVATE
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LABEL "renameat2()"
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- CONDITION LINUX AND TEST_renameat2
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+ CONDITION ( LINUX OR HURD ) AND TEST_renameat2
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)
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qt_feature("slog2" PRIVATE
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LABEL "slog2"
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@@ -677,7 +677,7 @@ qt_feature("slog2" PRIVATE
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)
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qt_feature("statx" PRIVATE
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LABEL "statx() in libc"
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- CONDITION LINUX AND TEST_statx
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+ CONDITION ( LINUX OR HURD ) AND TEST_statx
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)
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qt_feature("syslog" PRIVATE
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LABEL "syslog"
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diff --git a/src/gui/configure.cmake b/src/gui/configure.cmake
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index f5d26977af..b4625c77b4 100644
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--- a/src/gui/configure.cmake
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+++ b/src/gui/configure.cmake
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@@ -25,7 +25,7 @@ set_property(CACHE INPUT_libpng PROPERTY STRINGS undefined no qt system)
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#### Libraries
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-qt_set01(X11_SUPPORTED LINUX OR HPUX OR FREEBSD OR NETBSD OR OPENBSD OR SOLARIS) # special case
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+qt_set01(X11_SUPPORTED LINUX OR HPUX OR FREEBSD OR NETBSD OR OPENBSD OR SOLARIS OR HURD) # special case
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qt_find_package(ATSPI2 PROVIDED_TARGETS PkgConfig::ATSPI2 MODULE_NAME gui QMAKE_LIB atspi)
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qt_find_package(DirectFB PROVIDED_TARGETS PkgConfig::DirectFB MODULE_NAME gui QMAKE_LIB directfb)
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qt_find_package(Libdrm PROVIDED_TARGETS Libdrm::Libdrm MODULE_NAME gui QMAKE_LIB drm)
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--
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2.34.1
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@ -1,31 +0,0 @@
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From 06e7b5168e269f913f03ecb9d77fc82db4d9dfd6 Mon Sep 17 00:00:00 2001
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From: Pino Toscano <toscano.pino@tiscali.it>
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Date: Mon, 31 Jan 2022 21:36:59 +0100
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Subject: [PATCH] Hurd: enable XOPEN largefile APIs
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Hurd supports largefile, so enable it also in Qt.
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Change-Id: I8384ca2cb5c6250376916b6a890e1a873c0a0e96
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Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
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---
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mkspecs/hurd-g++/qplatformdefs.h | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/mkspecs/hurd-g++/qplatformdefs.h b/mkspecs/hurd-g++/qplatformdefs.h
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index b1887aae7f..c6d35e0ac5 100644
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--- a/mkspecs/hurd-g++/qplatformdefs.h
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+++ b/mkspecs/hurd-g++/qplatformdefs.h
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@@ -78,6 +78,7 @@
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#include <sys/wait.h>
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#include <netinet/in.h>
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+#define QT_USE_XOPEN_LFS_EXTENSIONS
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#include "../common/posix/qplatformdefs.h"
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#if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE >= 500)
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--
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2.34.1
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@ -1,98 +0,0 @@
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From 06e45cbd6a2e09bc32cb1c9aa3779d6bd5282c45 Mon Sep 17 00:00:00 2001
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From: Fabian Kosmale <fabian.kosmale@qt.io>
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Date: Mon, 14 Feb 2022 10:29:24 +0100
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Subject: [PATCH] QFileSystemEngine::canonicalName (Unix): clean up
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control-flow
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When passing a nullptr to realpath, it will allocate memory. That memory
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has to be freed (with free) later to avoid a leak, which we so far
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didn't.
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This patch ensures that we always clean up the memory by using a
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unique_ptr. As a drive-by, clean up the control-flow:
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- Always pass either the stack buffer or nullptr to realpath.
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- Rely on realpath returning nullptr in the error case.
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Lastly, fix a few coding-style issues.
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Change-Id: Ia906df77324020c267b087ec52a9a6c47aaa2a59
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Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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---
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src/corelib/io/qfilesystemengine_unix.cpp | 43 ++++++++++++-----------
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1 file changed, 23 insertions(+), 20 deletions(-)
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diff --git a/src/corelib/io/qfilesystemengine_unix.cpp b/src/corelib/io/qfilesystemengine_unix.cpp
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index fb66d47d38..47dd7bea7e 100644
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--- a/src/corelib/io/qfilesystemengine_unix.cpp
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+++ b/src/corelib/io/qfilesystemengine_unix.cpp
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@@ -58,6 +58,8 @@
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#include <stdio.h>
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#include <errno.h>
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+#include <memory> // for std::unique_ptr
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+
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#if __has_include(<paths.h>)
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# include <paths.h>
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#endif
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@@ -687,39 +689,40 @@ QFileSystemEntry QFileSystemEngine::canonicalName(const QFileSystemEntry &entry,
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return QFileSystemEntry(slowCanonicalized(absoluteName(entry).filePath()));
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#else
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# if defined(Q_OS_DARWIN) || defined(Q_OS_ANDROID) || _POSIX_VERSION < 200801L
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- char stack_result[PATH_MAX+1];
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+ // used to store the result of realpath in case where realpath cannot allocate itself
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+ char stack_result[PATH_MAX + 1];
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+#else
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+ // enables unconditionally passing stack_result below
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+ std::nullptr_t stack_result = nullptr;
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+# endif
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+ auto resolved_path_deleter = [&](char *ptr) {
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+ // frees resolved_name if it was allocated by realpath
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+# if defined(Q_OS_DARWIN) || defined(Q_OS_ANDROID) || _POSIX_VERSION < 200801L
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+ // ptr is either null, or points to stack_result
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+ Q_ASSERT(!ptr || ptr == stack_result);
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+ return;
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+#else
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+ free(ptr);
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# endif
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- char *resolved_name = nullptr;
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+ };
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+ std::unique_ptr<char, decltype (resolved_path_deleter)> resolved_name {nullptr, resolved_path_deleter};
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# if defined(Q_OS_DARWIN) || defined(Q_OS_ANDROID)
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// On some Android and macOS versions, realpath() will return a path even if
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// it does not exist. To work around this, we check existence in advance.
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if (!data.hasFlags(QFileSystemMetaData::ExistsAttribute))
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fillMetaData(entry, data, QFileSystemMetaData::ExistsAttribute);
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- if (!data.exists()) {
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+ if (!data.exists())
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errno = ENOENT;
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- } else {
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- resolved_name = stack_result;
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- }
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- if (resolved_name && realpath(entry.nativeFilePath().constData(), resolved_name) == nullptr)
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- resolved_name = nullptr;
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+ else
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+ resolved_name.reset(realpath(entry.nativeFilePath().constData(), stack_result));
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# else
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-# if _POSIX_VERSION >= 200801L // ask realpath to allocate memory
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- resolved_name = realpath(entry.nativeFilePath().constData(), nullptr);
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-# else
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- resolved_name = stack_result;
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- if (realpath(entry.nativeFilePath().constData(), resolved_name) == nullptr)
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- resolved_name = nullptr;
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-# endif
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+ resolved_name.reset(realpath(entry.nativeFilePath().constData(), stack_result));
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# endif
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if (resolved_name) {
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data.knownFlagsMask |= QFileSystemMetaData::ExistsAttribute;
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data.entryFlags |= QFileSystemMetaData::ExistsAttribute;
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- QString canonicalPath = QDir::cleanPath(QFile::decodeName(resolved_name));
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|
||||||
-# if defined(Q_OS_DARWIN) || defined(Q_OS_ANDROID) || _POSIX_VERSION < 200801L
|
|
||||||
- if (resolved_name != stack_result)
|
|
||||||
- free(resolved_name);
|
|
||||||
-# endif
|
|
||||||
+ QString canonicalPath = QDir::cleanPath(QFile::decodeName(resolved_name.get()));
|
|
||||||
return QFileSystemEntry(canonicalPath);
|
|
||||||
} else if (errno == ENOENT || errno == ENOTDIR) { // file doesn't exist
|
|
||||||
data.knownFlagsMask |= QFileSystemMetaData::ExistsAttribute;
|
|
||||||
--
|
|
||||||
2.34.1
|
|
||||||
|
|
||||||
@ -1,53 +0,0 @@
|
|||||||
From 13a11f1c3526112eaf28943185fadc14523fd496 Mon Sep 17 00:00:00 2001
|
|
||||||
From: Pino Toscano <toscano.pino@tiscali.it>
|
|
||||||
Date: Mon, 17 Jan 2022 20:43:01 +0100
|
|
||||||
Subject: [PATCH] QProcess/Unix: fallback on _POSIX_PIPE_BUF w/ missing
|
|
||||||
PIPE_BUF
|
|
||||||
|
|
||||||
PIPE_BUF is optional in POSIX, e.g. "where the corresponding value is
|
|
||||||
equal to or greater than the stated minimum, but where the value can
|
|
||||||
vary depending on the file to which it is applied." [1]
|
|
||||||
|
|
||||||
GNU/Hurd does not provide PIPE_BUF, so fallback to its minimum
|
|
||||||
acceptable value, that is _POSIX_PIPE_BUF.
|
|
||||||
|
|
||||||
[1] https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html
|
|
||||||
|
|
||||||
Also, explicitly include <limits.h> in this file, to make sure PIPE_BUF
|
|
||||||
or _POSIX_PIPE_BUF are available without relying on other headers to
|
|
||||||
pull <limits.h>.
|
|
||||||
|
|
||||||
Change-Id: Ifae964db81841e1d31fc09e73b45594af9a326d1
|
|
||||||
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
|
|
||||||
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
|
|
||||||
---
|
|
||||||
src/corelib/io/qprocess_unix.cpp | 5 +++++
|
|
||||||
1 file changed, 5 insertions(+)
|
|
||||||
|
|
||||||
diff --git a/src/corelib/io/qprocess_unix.cpp b/src/corelib/io/qprocess_unix.cpp
|
|
||||||
index bf19fc2183..91005b0b67 100644
|
|
||||||
--- a/src/corelib/io/qprocess_unix.cpp
|
|
||||||
+++ b/src/corelib/io/qprocess_unix.cpp
|
|
||||||
@@ -69,6 +69,7 @@
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#include <errno.h>
|
|
||||||
+#include <limits.h>
|
|
||||||
#include <stdlib.h>
|
|
||||||
#include <string.h>
|
|
||||||
|
|
||||||
@@ -935,7 +936,11 @@ bool QProcessPrivate::startDetached(qint64 *pid)
|
|
||||||
{
|
|
||||||
QByteArray encodedWorkingDirectory = QFile::encodeName(workingDirectory);
|
|
||||||
|
|
||||||
+#ifdef PIPE_BUF
|
|
||||||
static_assert(PIPE_BUF >= sizeof(ChildError));
|
|
||||||
+#else
|
|
||||||
+ static_assert(_POSIX_PIPE_BUF >= sizeof(ChildError));
|
|
||||||
+#endif
|
|
||||||
ChildError childStatus = { 0, {} };
|
|
||||||
|
|
||||||
AutoPipe startedPipe, pidPipe;
|
|
||||||
--
|
|
||||||
2.34.1
|
|
||||||
|
|
||||||
Loading…
Reference in new issue