Hi, I have R installed on Cygwin, and I am trying to install Bioconductor on top of it. When doing so, I get the following error while building the IRanges Bioconductor package: > In file included from IntervalTree.c:3:0: > common.h:59:24: fatal error: mingw/math.h: No such file or directory > compilation terminated. > /usr/lib/R/etc/Makeconf:121: recipe for target `IntervalTree.o' failed > make: *** [IntervalTree.o] Error 1 > ERROR: compilation failed for package ???IRanges??? As far as I understand, this is an issue related to paths/links between Cygwin and R/Bioconductor, as math.h is indeed installed by the mingw-runtime package, but R apparently can't find it. Can anybody please help me to find a fix or workaround for this? Any help is really appreciated. Thank you. Best, Enrico Ferrero -- output of sessionInfo(): R version 2.15.1 (2012-06-22) Platform: i686-pc-cygwin (32-bit) locale: [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8 attached base packages: [1] stats graphics grDevices utils datasets methods base other attached packages: [1] BiocInstaller_1.8.3 loaded via a namespace (and not attached): [1] tools_2.15.1 -- Sent via the guest posting facility at bioconductor.org.