[Pkg-phototools-devel] Bug#857147: darktable builds with -msse2 on i386

[Adrian Bunk]

Source: darktable
Version: 2.2.1-2
Severity: serious

https://buildd.debian.org/status/fetch.php?pkg=darktable&arch=i386&ver=2.2.1-2&stamp=1483383078&raw=0

...
-- Performing Test _MSSE2
-- Performing Test _MSSE2 - Success
-- Building SSE2-optimized codepaths: ON
...
[  4%] Building C object src/external/LuaAutoC/CMakeFiles/lautoc.dir/lautoc.c.o
cd /«PKGBUILDDIR»/obj-i686-linux-gnu/src/external/LuaAutoC && /usr/bin/cc  -DGDK_DISABLE_DEPRECATED -DGDK_VERSION_MIN_REQUIRED=GDK_VERSION_3_14 -DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_MIN_REQUIRED -DGLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_40 -DGTK_DISABLE_DEPRECATED -DGTK_DISABLE_SINGLE_INCLUDES -DHAVE_BUILTIN_CPU_SUPPORTS -DHAVE_CONFIG_H -DHAVE_GPHOTO2 -DHAVE_GPHOTO_25_OR_NEWER -DHAVE_GRAPHICSMAGICK -DHAVE_HTTP_SERVER -DHAVE_KWALLET -DHAVE_LENSFUN -DHAVE_LIBSECRET -DHAVE_OPENCL -DHAVE_OPENEXR -DHAVE_OPENJPEG -DUSE_LUA -D_RELEASE -D_XOPEN_SOURCE=700 -D__GDK_KEYSYMS_COMPAT_H__ -I/«PKGBUILDDIR»/src -I/«PKGBUILDDIR»/src/external -isystem /usr/include/glib-2.0 -isystem /usr/lib/i386-linux-gnu/glib-2.0/include -isystem /usr/include/gtk-3.0 -isystem /usr/include/at-spi2-atk/2.0 -isystem /usr/include/at-spi-2.0 -isystem /usr/include/dbus-1.0 -isystem /usr/lib/i386-linux-gnu/dbus-1.0/include -isystem /usr/include/gio-unix-2.0 -isystem /usr/include/cairo -isystem /usr/include/pango-1.0 -isystem /usr/include/harfbuzz -isystem /usr/include/atk-1.0 -isystem /usr/include/pixman-1 -isystem /usr/include/freetype2 -isystem /usr/include/libpng16 -isystem /usr/include/gdk-pixbuf-2.0 -isystem /usr/include/libxml2 -isystem /usr/include/libsoup-2.4 -isystem /usr/include/OpenEXR -isystem /usr/include/lensfun -isystem /usr/include/librsvg-2.0 -isystem /usr/include/i386-linux-gnu -isystem /usr/include/json-glib-1.0 -isystem /usr/include/openjpeg-2.1 -isystem /usr/include/libsecret-1 -isystem /usr/include/GraphicsMagick -I/«PKGBUILDDIR»/obj-i686-linux-gnu/src -isystem /usr/include/lua5.2 -I/«PKGBUILDDIR»/src/external/LuaAutoC -I/«PKGBUILDDIR»/src/external/LuaAutoC/include  -g -O2 -fdebug-prefix-map=/«PKGBUILDDIR»=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wall -fno-strict-aliasing -Wformat -Wformat-security -Wshadow -Wtype-limits -Wvla -Wold-style-declaration -Wno-error=varargs -Wframe-larger-than=32768 -Wstack-usage=32768 -Wlarger-than=524288 -std=c99 -fopenmp -pthread -mtune=generic -msse2 -g -mfpmath=sse -std=gnu99 -Wall -Wno-unused -O3 -g  -fPIC   -o CMakeFiles/lautoc.dir/lautoc.c.o   -c /«PKGBUILDDIR»/src/external/LuaAutoC/lautoc.c
...

These are not SSE2 codepaths with autodetection,
the package seems to be built in a way that it
won't run on hardware without SSE2.