Thanks for tracking this down! Compiling with `-funisgned-char' on my machine produced the same error.
I've corrected the problem (pushed to the git repo) and added a release-time checklist item to try compiling with `-funisgned-char'. At Sat, 18 Feb 2012 21:17:36 -0500, James McCoy wrote: > Hi all, > > Since 5.2, racket has been failing to build on some of Debian's less > mainstream architectures where it had been building fine with 5.1.3. > The failure scenario below is common among a few of the architectures > (armel[0], s390[1], s390x[2]) > > [0]: > https://buildd.debian.org/status/fetch.php?pkg=racket&arch=armel&ver=5.2.1%2Bdfs > g1-1&stamp=1329603367 > [1]: > https://buildd.debian.org/status/fetch.php?pkg=racket&arch=s390&ver=5.2.1%2Bdfsg > 1-1&stamp=1329602283 > [2]: > https://buildd.debian.org/status/fetch.php?pkg=racket&arch=s390x&ver=5.2.1%2Bdfs > g1-1&stamp=1329601933 > > make[4]: Entering directory `/build/racket-5.2.1+dfsg1/build/racket/gc2' > mkdir xsrc/usr/bin/make xsrc/precomp.h > make[5]: Entering directory `/build/racket-5.2.1+dfsg1/build/racket/gc2' > env XFORM_PRECOMP=yes ../racketcgc -cqu > /build/racket-5.2.1+dfsg1/src/racket/gc2/xform.rkt --setup . --cpp "gcc -E > -I./.. -I/build/racket-5.2.1+dfsg1/src/racket/gc2/../include > -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 " --keep-lines -o xsrc/precomp.h > /build/racket-5.2.1+dfsg1/src/racket/gc2/precomp.c > ...d/racket-5.2.1+dfsg1/collects/racket/private/reqprov.rkt:161:8: expand: > unbound identifier in module (in phase 1, transformer environment) in: > recur-pre > make[5]: *** [xsrc/precomp.h] Error 1 > make[5]: Leaving directory `/build/racket-5.2.1+dfsg1/build/racket/gc2' > > I took a look at one of Debian's wiki pages[3] to see if there was any > commonality among those architectures which could explain this. > > [3]: http://wiki.debian.org/ArchitectureSpecificsMemo > > They all, unlike many others, use unsigned char by default. Adding > "-fsigned-char" to CFLAGS fixes the issue. So it seems something was > added between 5.1.3 and 5.2 that is sensitive to char signedness but > doesn't explicitly declare the sign for char, like a lot of the code > base does. > > Cheers, > -- > James > GPG Key: 4096R/331BA3DB 2011-12-05 James McCoy <james...@debian.org> > > ------------------------------------------------------------------------------ > [application/pgp-signature "signature.asc"] [~/Desktop & open] [~/Temp & open] > _________________________ > Racket Developers list: > http://lists.racket-lang.org/dev _________________________ Racket Developers list: http://lists.racket-lang.org/dev
