* installing *source* package ‘libimath’ ...
** this is package ‘libimath’ version ‘3.1.9-1’
** package ‘libimath’ successfully unpacked and MD5 sums checked
** using staged installation
** preparing to configure package 'libimath' ...
loading initial cache file ../build/initial-cache.cmake
-- The C compiler identification is unknown
-- The CXX compiler identification is unknown
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - failed
-- Check for working C compiler: /usr/bin/ccache
-- Check for working C compiler: /usr/bin/ccache - broken
CMake Error at /usr/share/cmake/Modules/CMakeTestCCompiler.cmake:67 (message):
  The C compiler

    "/usr/bin/ccache"

  is not able to compile a simple test program.

  It fails with the following output:

    Change Dir: '/data/blackswan/ripley/R/packages/tests-devel/libimath/src/Imath/build/CMakeFiles/CMakeScratch/TryCompile-ueQK3Z'
    
    Run Build Command(s): /usr/bin/cmake -E env VERBOSE=1 /usr/bin/gmake -f Makefile cmTC_bb6e0/fast
    gmake[1]: Entering directory '/data/blackswan/ripley/R/packages/tests-devel/libimath/src/Imath/build/CMakeFiles/CMakeScratch/TryCompile-ueQK3Z'
    make  -f CMakeFiles/cmTC_bb6e0.dir/build.make CMakeFiles/cmTC_bb6e0.dir/build
    make[2]: Entering directory '/data/blackswan/ripley/R/packages/tests-devel/libimath/src/Imath/build/CMakeFiles/CMakeScratch/TryCompile-ueQK3Z'
    Building C object CMakeFiles/cmTC_bb6e0.dir/testCCompiler.c.o
    /usr/bin/ccache   -g -fPIC -fvisibility=hidden  -o CMakeFiles/cmTC_bb6e0.dir/testCCompiler.c.o -c /data/blackswan/ripley/R/packages/tests-devel/libimath/src/Imath/build/CMakeFiles/CMakeScratch/TryCompile-ueQK3Z/testCCompiler.c
    /usr/bin/ccache: invalid option -- 'g'
    make[2]: *** [CMakeFiles/cmTC_bb6e0.dir/build.make:78: CMakeFiles/cmTC_bb6e0.dir/testCCompiler.c.o] Error 1
    make[2]: Leaving directory '/data/blackswan/ripley/R/packages/tests-devel/libimath/src/Imath/build/CMakeFiles/CMakeScratch/TryCompile-ueQK3Z'
    gmake[1]: *** [Makefile:127: cmTC_bb6e0/fast] Error 2
    gmake[1]: Leaving directory '/data/blackswan/ripley/R/packages/tests-devel/libimath/src/Imath/build/CMakeFiles/CMakeScratch/TryCompile-ueQK3Z'
    
    

  

  CMake will not be able to correctly generate this project.
Call Stack (most recent call first):
  CMakeLists.txt:17 (project)


-- Configuring incomplete, errors occurred!
Error in eval(parse(text = contents), envir = envir) : 
  CMake configure step failed
Calls: source_file -> eval -> eval
Execution halted
ERROR: configuration failed for package ‘libimath’
* removing ‘/data/blackswan/ripley/R/packages/tests-devel/libimath.Rcheck/libimath’