mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
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52 lines
1.7 KiB
Diff
52 lines
1.7 KiB
Diff
From e32ddfda63944ef786b3a3ddea243dc0ed2f4c11 Mon Sep 17 00:00:00 2001
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From: graysky <graysky@archlinux.us>
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Date: Fri, 7 Jan 2022 10:22:22 -0500
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Subject: [PATCH] ffmpeg: build with lto when -DUSE_LTO=ON
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I do not believe the internal ffmpeg build uses LTO if the user calls for it
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via -DUSE_LTO=ON. This commit passes --enable-lto to ffmpeg's configure script
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if CMAKE has CMAKE_INTERPROCEDURAL_OPTIMIZATION set which -DUSE_LTO=ON does.
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The original author of this, loqs, points this out here[1].
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1. https://bugs.archlinux.org/task/69333#comment196255
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---
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cmake/modules/FindFFMPEG.cmake | 5 +++++
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tools/depends/target/ffmpeg/CMakeLists.txt | 4 ++++
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2 files changed, 9 insertions(+)
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diff --git a/cmake/modules/FindFFMPEG.cmake b/cmake/modules/FindFFMPEG.cmake
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index 13c810591b..5f0c596cb7 100644
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--- a/cmake/modules/FindFFMPEG.cmake
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+++ b/cmake/modules/FindFFMPEG.cmake
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@@ -55,6 +55,11 @@ macro(buildFFMPEG)
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-DOS=${OS}
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-DCMAKE_AR=${CMAKE_AR})
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endif()
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+
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+ if(USE_LTO)
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+ list(APPEND FFMPEG_OPTIONS -DUSE_LTO=ON)
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+ endif()
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+
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set(LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS})
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list(APPEND LINKER_FLAGS ${SYSTEM_LDFLAGS})
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diff --git a/tools/depends/target/ffmpeg/CMakeLists.txt b/tools/depends/target/ffmpeg/CMakeLists.txt
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index 1bf9f53499..d438449888 100644
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--- a/tools/depends/target/ffmpeg/CMakeLists.txt
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+++ b/tools/depends/target/ffmpeg/CMakeLists.txt
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@@ -126,6 +126,10 @@ if(CPU MATCHES x86 OR CPU MATCHES x86_64)
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list(APPEND ffmpeg_conf --x86asmexe=${NASM_EXECUTABLE})
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endif()
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+if(USE_LTO)
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+ list(APPEND ffmpeg_conf --enable-lto)
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+endif()
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+
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if(ENABLE_DAV1D)
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list(APPEND ffmpeg_conf --enable-libdav1d)
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set(pkgconf_path "PKG_CONFIG_PATH=${PKG_CONFIG_PATH}")
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--
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2.44.0
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