On 18/09/2007 2:55 PM, Dirk Eddelbuettel wrote: > On Tue, Sep 18, 2007 at 02:08:18PM -0400, Leeds, Mark (IED) wrote: >> I am using Redhat Linux and my info is below. I was trying to install >> the rgl package using R CMD INSTALL and it was doing >> fine until it got to the compilation of a pixmap program ? Does anyone >> know what I could do to fix that ? Is it possible that >> this package is not usable on this platform ? Thanks. > > Naaa, of course it does work on Linux. We have had rgl in Debian for years. > > [...] >> g++ -I/ms/dist/fsf/PROJ/R/2.5.0/exec/lib/R/include >> -I/ms/dist/fsf/PROJ/R/2.5.0/exec/lib/R/include -DHAVE_PNG_H >> -I/usr/X11R6/include -Iext -g -O2 -fpic -g -O2 -c pixmap.cpp -o >> pixmap.o >> In file included from pixmap.cpp:13: >> pngpixmap.h:273: syntax error before `*' token >> pngpixmap.h: In static member function `static void >> PNGPixmapFormat::Load::info_callback(png_struct*, png_info*)': >> pngpixmap.h:180: `png_set_gray_1_2_4_to_8' undeclared (first use this >> function) >> pngpixmap.h:180: (Each undeclared identifier is reported only once for >> each >> function it appears in.) > > You don't have the PNG library and/or headers. Install those, and try > again.
The configure script is supposed to detect that, but I guess it failed. There's a configure option --disable-libpng-config that should allow the rest to compile. (Various examples will fail, because the PNG code is used for textures and saving snapshots. But most things should work.) Duncan Murdoch ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
