[3dprinter-general] Bug#869638: slic3r-prusa FTBFS on big endian: admesh works correctly on little endian machines only

[Adrian Bunk]

Source: slic3r-prusa
Version: 1.36.0+dfsg-1
Severity: serious

https://buildd.debian.org/status/package.php?p=slic3r-prusa&suite=sid

...
mips-linux-gnu-gcc -I/usr/lib/mips-linux-gnu/perl/5.26/CORE -fPIC -D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fwrapv -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -xc++ -Isrc/libslic3r -I/usr/include/eigen3 -I/usr/lib/mips-linux-gnu/wx/include/gtk2-unicode-3.0 -I/usr/include/wx-3.0 -D_GLIBCXX_USE_C99 -DHAS_BOOL -DNOGDI -DSLIC3RXS -DBOOST_ASIO_DISABLE_KQUEUE -std=c++11 -DSLIC3R_GUI -DSLIC3R_PRUS -DUNICODE -D_FILE_OFFSET_BITS=64 -DWXUSINGDLL -D__WXGTK__ -pthread -DBOOST_LOG_DYN_LINK -DBOOST_LIBS -DNDEBUG -Isrc -Ibuildtmp -c -D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fwrapv -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -g -O2 -fdebug-prefix-map=/<<BUILDDIR>>/slic3r-prusa-1.36.0+dfsg=. -fstack-protector-strong -Wformat -Werror=format-security -g -O2 -fdebug-prefix-map=/<<BUILDDIR>>/slic3r-prusa-1.36.0+dfsg=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -o src/admesh/n
 ormals.o src/admesh/normals.c
In file included from src/admesh/normals.c:28:0:
src/admesh/stl.h:32:2: error: #error "admesh works correctly on little endian machines only!"
 #error "admesh works correctly on little endian machines only!"
  ^~~~~
error building src/admesh/normals.o from 'src/admesh/normals.c' at /usr/share/perl/5.26/ExtUtils/CBuilder/Base.pm line 174.
dh_auto_build: perl Build --install_path arch=/usr/lib/slic3r-prusa/ returned exit code 2
debian/rules:17: recipe for target 'override_dh_auto_build' failed
make[1]: *** [override_dh_auto_build] Error 2



If this is not fixable with reasonable effort, an RM bug for the old mips
binary should be sent against ftp.debian.org and this bug downgraded to
important.