Merge bitcoin/bitcoin#28532: qt: enable -ltcg for windows under LTO

f0cebbdb2a1a3c2f0facd88963484ad6fd5851db qt: enable -ltcg for windows HOST (fanquake)

Pull request description:

  Patch around multiple definition issues in Qt, and enable `-ltcg` when using `LTO=1`.

  Split from #25391.

ACKs for top commit:
  hebasto:
    ACK f0cebbdb2a1a3c2f0facd88963484ad6fd5851db

Tree-SHA512: 2d6e34779f360bf6dfea4f70fc9004a16e95da79716fcb3046afbf2b01317b7e16965cb51b967b7b5fb64549306c5f48cf59082884289c52016bc1e86949e062
This commit is contained in:
fanquake 2023-10-06 10:20:08 +01:00 committed by pasta
parent ccd3920d40
commit c740264da8
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2 changed files with 36 additions and 0 deletions

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@ -23,6 +23,7 @@ $(package)_patches += guix_cross_lib_path.patch
$(package)_patches += fast_fixed_dtoa_no_optimize.patch $(package)_patches += fast_fixed_dtoa_no_optimize.patch
$(package)_patches += fix-macos-linker.patch $(package)_patches += fix-macos-linker.patch
$(package)_patches += memory_resource.patch $(package)_patches += memory_resource.patch
$(package)_patches += windows_lto.patch
$(package)_qttranslations_file_name=qttranslations-$($(package)_suffix) $(package)_qttranslations_file_name=qttranslations-$($(package)_suffix)
$(package)_qttranslations_sha256_hash=a31785948c640b7c66d9fe2db4993728ca07f64e41c560b3625ad191b276ff20 $(package)_qttranslations_sha256_hash=a31785948c640b7c66d9fe2db4993728ca07f64e41c560b3625ad191b276ff20
@ -184,6 +185,9 @@ $(package)_config_opts_mingw32 += "QMAKE_LFLAGS = '$($(package)_ldflags)'"
$(package)_config_opts_mingw32 += "QMAKE_LIB = '$($(package)_ar) rc'" $(package)_config_opts_mingw32 += "QMAKE_LIB = '$($(package)_ar) rc'"
$(package)_config_opts_mingw32 += -device-option CROSS_COMPILE="$(host)-" $(package)_config_opts_mingw32 += -device-option CROSS_COMPILE="$(host)-"
$(package)_config_opts_mingw32 += -pch $(package)_config_opts_mingw32 += -pch
ifneq ($(LTO),)
$(package)_config_opts_mingw32 += -ltcg
endif
$(package)_config_opts_android = -xplatform android-clang $(package)_config_opts_android = -xplatform android-clang
$(package)_config_opts_android += -android-sdk $(ANDROID_SDK) $(package)_config_opts_android += -android-sdk $(ANDROID_SDK)
@ -260,6 +264,7 @@ define $(package)_preprocess_cmds
patch -p1 -i $($(package)_patch_dir)/qtbase-moc-ignore-gcc-macro.patch && \ patch -p1 -i $($(package)_patch_dir)/qtbase-moc-ignore-gcc-macro.patch && \
patch -p1 -i $($(package)_patch_dir)/fast_fixed_dtoa_no_optimize.patch && \ patch -p1 -i $($(package)_patch_dir)/fast_fixed_dtoa_no_optimize.patch && \
patch -p1 -i $($(package)_patch_dir)/guix_cross_lib_path.patch && \ patch -p1 -i $($(package)_patch_dir)/guix_cross_lib_path.patch && \
patch -p1 -i $($(package)_patch_dir)/windows_lto.patch && \
mkdir -p qtbase/mkspecs/macx-clang-linux &&\ mkdir -p qtbase/mkspecs/macx-clang-linux &&\
cp -f qtbase/mkspecs/macx-clang/qplatformdefs.h qtbase/mkspecs/macx-clang-linux/ &&\ cp -f qtbase/mkspecs/macx-clang/qplatformdefs.h qtbase/mkspecs/macx-clang-linux/ &&\
cp -f $($(package)_patch_dir)/mac-qmake.conf qtbase/mkspecs/macx-clang-linux/qmake.conf && \ cp -f $($(package)_patch_dir)/mac-qmake.conf qtbase/mkspecs/macx-clang-linux/qmake.conf && \

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@ -0,0 +1,31 @@
Qt (for Windows) fails to build under LTO, due to multiple definition issues, i.e
multiple definition of `QAccessibleLineEdit::~QAccessibleLineEdit()';
Possibly related to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94156.
diff --git a/qtbase/src/widgets/accessible/simplewidgets.cpp b/qtbase/src/widgets/accessible/simplewidgets.cpp
index 107fd729fe..0e61878f39 100644
--- a/qtbase/src/widgets/accessible/simplewidgets.cpp
+++ b/qtbase/src/widgets/accessible/simplewidgets.cpp
@@ -109,6 +109,8 @@ QString qt_accHotKey(const QString &text);
\ingroup accessibility
*/
+QAccessibleLineEdit::~QAccessibleLineEdit(){};
+
/*!
Creates a QAccessibleButton object for \a w.
*/
diff --git a/qtbase/src/widgets/accessible/simplewidgets_p.h b/qtbase/src/widgets/accessible/simplewidgets_p.h
index 73572e3059..658da86143 100644
--- a/qtbase/src/widgets/accessible/simplewidgets_p.h
+++ b/qtbase/src/widgets/accessible/simplewidgets_p.h
@@ -155,6 +155,7 @@ class QAccessibleLineEdit : public QAccessibleWidget, public QAccessibleTextInte
public:
explicit QAccessibleLineEdit(QWidget *o, const QString &name = QString());
+ ~QAccessibleLineEdit();
QString text(QAccessible::Text t) const override;
void setText(QAccessible::Text t, const QString &text) override;
QAccessible::State state() const override;