a0f0b65d60
I was wrong. Precompiled headers do speed up builds, even fresh ones.
ccache is still likely broken, but I don't use it and Salsa CI jobs show
shorter build times with PCHs anyway.
This reverts commit 5dae9d5d4d.
74 lines
2.8 KiB
Makefile
Executable file
74 lines
2.8 KiB
Makefile
Executable file
#!/usr/bin/make -f
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# -lto because I use CMake's LTO support
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export DEB_BUILD_MAINT_OPTIONS = hardening=+all optimize=+all,-lto qa=+all
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# -Werror=array-bounds is added by qa=+bug, triggers some false positives
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# -O2 is stripped because CMake already passes -O3
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export DEB_CXXFLAGS_MAINT_STRIP = -Werror=array-bounds -O2
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# yuzu requires CX16 instructions (CMPXCHG16B) to build, and they are
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# "only" available on Intel Core 2 or newer CPUs. The only way I know to
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# express that a Debian package depends on a set of instructions not
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# present in the baseline is to make it depend on an isa-support package.
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# Only sse3- and sse4.2-support are available, and there are some CPUs that
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# support SSE3 while not supporting CX16, so depending on that wouldn't be
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# strict enough. The only safe dependency is then sse4.2-support.
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# But depending on sse4.2-support while not making use of the SSE4.2
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# extensions would be a waste, and it makes sense to allow GCC to generate
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# optimized code that uses SSE4.2 extensions, for performance reasons.
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# As both CMPXCHG16B and SSE4_2 are part of the x86-64-v2
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# micro-architecture level, I can simply tell GCC to generate code for that
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# target.
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# Upstream is now building with -march=x86-64-v2 too.
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# References:
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# https://github.com/yuzu-emu/yuzu/commit/626cc44d7ababf037cbf1f0a6fd1372efc296b64
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# https://gitlab.com/x86-psABIs/x86-64-ABI/-/wikis/uploads/01de35b2c8adc7545de52604cc45d942/x86-64-psABI-2021-05-20.pdf#page=16
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# https://github.com/yuzu-emu/yuzu/pull/7497
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# https://github.com/yuzu-emu/yuzu/pull/9442
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ifeq ($(DEB_HOST_ARCH_CPU),amd64)
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export DEB_CFLAGS_MAINT_APPEND = -march=x86-64-v2
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export DEB_CXXFLAGS_MAINT_APPEND = -march=x86-64-v2
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endif
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test := true
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ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
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ifeq ($(DEB_HOST_ARCH_CPU),amd64)
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ifeq (,$(shell lscpu | awk '/cx16/ && /lahf/ && /popcnt/ && /sse3/ && /sse4_1/ && /sse4_2/ && /ssse3/'))
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$(warning Your CPU doesn't support the x86-64-v2 micro-architecture level. Tests will be skipped.)
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test := false
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endif
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endif
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else
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test := false
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endif
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# DEB_VERSION, DEB_VENDOR
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include /usr/share/dpkg/pkg-info.mk
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include /usr/share/dpkg/vendor.mk
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%:
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dh $@
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override_dh_auto_configure:
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ln -s ../sirit externals/sirit
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dh_auto_configure -- \
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-DGIT_BRANCH=$(DEB_VENDOR) \
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-DGIT_DESC=mainline-$(DEB_VERSION) \
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-DGIT_REV=mainline-$(DEB_VERSION) \
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-DCMAKE_INSTALL_BINDIR=games \
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-DENABLE_QT_TRANSLATION=true \
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-DYUZU_USE_QT_WEB_ENGINE=true \
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-DYUZU_USE_EXTERNAL_SDL2=false \
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-DYUZU_USE_BUNDLED_SDL2=false \
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-DYUZU_USE_BUNDLED_QT=false \
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-DYUZU_USE_BUNDLED_FFMPEG=false \
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-DYUZU_TESTS=$(test) \
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-DSIRIT_USE_SYSTEM_SPIRV_HEADERS=true \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON \
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-DCMAKE_POLICY_DEFAULT_CMP0069=NEW
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execute_after_dh_auto_clean:
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$(RM) externals/sirit
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