Saturday, May 30, 2026

graphics/ffmpeg vs llvm 22 on i386

swscale build fails, full build log for current (llvm 22) and previous (llvm 19) builds attached, tail below. both are from the same version (8.1.1). there is this change in configure output: llvm19: EBP available no llvm22: EBP available yes I also notice there are a bunch of 'loop not vectorized' warnings but that's not new. cc -I. -Isrc/ -D_ISOC11_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -DPIC -I/pobj/ffmpeg-8.1.1/ffmpeg-8.1.1/compat/stdbit -DZLIB_CONST -DHAVE_AV_CONFIG_H -DBUILDING_swscale -O2 -pipe -I/usr/local/include -I/usr/X11R6/include -std=c17 -fPIC -I/usr/X11R6/include -I/usr/X11R6/include -I/usr/X11R6/include -pthread -I/usr/local/include -I/usr/local/include -I/usr/X11R6/include -I/usr/local/include/harfbuzz -I/usr/local/include/glib-2.0 -I/usr/local/lib/glib-2.0/include -I/usr/local/include/fribidi -I/usr/X11R6/include/freetype2 -I/usr/local/include -I/usr/X11R6/include -I/usr/X11R6/include/libdrm -I/usr/X11R6/include -I/usr/X11R6/include/freetype2 -I/usr/X11R6/include/freetype2 -I/usr/local/include/fribidi -I/usr/local/include/harfbuzz -I/usr/X11R6/include/freetype2 -I/usr/local/include/glib-2.0 -I/usr/local/lib/glib-2.0/include -I/usr/local/include -I/usr/local/include/opus -I/usr/local/include/opus -I/usr/local/include -I/usr/local/include/svt-av1 -DEB_DLL -DRTC_BUILD=0 -I/usr/local/include -I/usr/local/include -I/usr/local/include -I/usr/local/include -I/usr/local/include -I/usr/local/include -I/usr/local/include -I/usr/local/include -I/usr/local/include -I/usr/local/include/webp -I/usr/local/include -I/usr/local/include/webp -I/usr/local/include -DX264_API_IMPORTS -I/usr/local/include -I/usr/local/include -I/usr/local/include/libxml2 -I/usr/X11R6/include -I/usr/X11R6/include -I/usr/X11R6/include -I/usr/X11R6/include -I/usr/X11R6/include -I/usr/X11R6/include/libdrm -I/usr/X11R6/include -I/usr/X11R6/include -I/usr/X11R6/include -g -Wall -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -Wwrite-strings -Wtype-limits -Wundef -Wempty-body -Wmissing-prototypes -Wstrict-prototypes -Wunterminated-string-initialization -Wno-parentheses -Wno-switch -Wno-format-zero-length -Wno-pointer-sign -Wno-unused-const-variable -Wno-bool-operation -Wno-char-subscripts -Wno-implicit-const-int-float-conversion -Wno-microsoft-enum-forward-reference -O2 -pipe -Wno-redundant-decls -fno-math-errno -fno-signed-zeros -Qunused-arguments -Werror=implicit-function-declaration -Werror=missing-prototypes -Werror=return-type -MMD -MF libswscale/x86/rgb2rgb.d -MT libswscale/x86/rgb2rgb.o -c -o libswscale/x86/rgb2rgb.o src/libswscale/x86/rgb2rgb.c src/libswscale/x86/rgb2rgb.c:1476:13: error: inline assembly requires more registers than available 1476 | "mov %4, %%"FF_REG_a"\n\t" | ^ 1 error generated. gmake: *** [/pobj/ffmpeg-8.1.1/ffmpeg-8.1.1/ffbuild/common.mak:91: libswscale/x86/rgb2rgb.o] Error 1 *** Error 2 in graphics/ffmpeg (/usr/ports/infrastructure/mk/bsd.port.mk:3080 '/pobj/ffmpeg-8.1.1/build-i386/.build_done': @cd /pobj/ffmpeg-...) *** Error 2 in graphics/ffmpeg (/usr/ports/infrastructure/mk/bsd.port.mk:2723 'build': @lock=ffmpeg-8.1.1v1; export _LOCKS_HELD=" ffmpeg-8....) ===> Exiting graphics/ffmpeg with an error *** Error 1 in /usr/ports (infrastructure/mk/bsd.port.subdir.mk:144 'build': @: ${echo_msg:=echo}; : ${target:=build}; for i in ; do eval...) >>> Ended at 1780152281.15 max_stuck=68.53/depends=7.70/show-prepare-results=4.51/patch=3.13/configure=101.99/build=240.31 Error: job failed with 512 on i386-3 at 1780152281

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