Cabal on windows (from chocolatey) doesn't build projects with libraries - haskell

I am having issues building a project with a library using cabal installed with haskell-dev using chocolatey on windows (i.e. the recommended approach, everyting out of the box). I initially thought the issue was related to my specific project but it's actually easily reproduced by just creating a template project with
cabal init --libandexe
cabal configure
And then cabal build fails to build with the following errors:
cabal.exe: Failed to build testcabal1-0.1.0.0 (which is required by
exe:testcabal1 from testcabal1-0.1.0.0). The failure occurred during the final
install step. The exception was:
dieVerbatim: user error (cabal.exe:
'C:\ProgramData\chocolatey\lib\ghc\tools\ghc-8.10.2\bin\ghc-pkg.exe' exited
with an error:
testcabal1-0.1.0.0: Warning: library-dirs: C:\Program doesn't exist or isn't a
directory
testcabal1-0.1.0.0: Warning: dynamic-library-dirs: C:\Program doesn't exist or
isn't a directory
testcabal1-0.1.0.0: Warning: haddock-interfaces:
C:\projects\haskell\testcabal1\dist-newstyle\build\x86_64-windows\ghc-8.10.2\testcabal1-0.1.0.0\doc\html\testcabal1\testcabal1.haddock
doesn't exist or isn't a file
testcabal1-0.1.0.0: Warning: haddock-html:
C:\projects\haskell\testcabal1\dist-newstyle\build\x86_64-windows\ghc-8.10.2\testcabal1-0.1.0.0\doc\html\testcabal1
doesn't exist or isn't a directory
testcabal1-0.1.0.0: library-dirs: Files\Haskell is a relative path which makes
no sense (as there is nothing for it to be relative to). You can make paths
relative to the package database itself by using ${pkgroot}. (use --force to
override)
testcabal1-0.1.0.0: library-dirs: Platform\8.6.5\mingw\lib is a relative path
which makes no sense (as there is nothing for it to be relative to). You can
make paths relative to the package database itself by using ${pkgroot}. (use
--force to override)
testcabal1-0.1.0.0: dynamic-library-dirs: Files\Haskell is a relative path
which makes no sense (as there is nothing for it to be relative to). You can
make paths relative to the package database itself by using ${pkgroot}. (use
--force to override)
testcabal1-0.1.0.0: dynamic-library-dirs: Platform\8.6.5\mingw\lib is a
relative path which makes no sense (as there is nothing for it to be relative
to). You can make paths relative to the package database itself by using
${pkgroot}. (use --force to override)
)
It seems to have something to do with spaces in some directory names where cabal / ghc were installed by chocolatey? Any ideas?

Related

CMake: how to get PATHS variable for find_package?

Here is an example how to specify PATHS variable to make cmake be able to find library:
cmake find_package specify path
But how to get this PATHS variable for specific library?
For example I have installed apt-get install libharfbuzz-dev and dpkg -L libharfbuzz-dev shows me:
/usr
/usr/include
/usr/include/harfbuzz
/usr/include/harfbuzz/hb-blob.h
/usr/include/harfbuzz/hb-buffer.h
/usr/include/harfbuzz/hb-common.h
/usr/include/harfbuzz/hb-deprecated.h
/usr/include/harfbuzz/hb-face.h
/usr/include/harfbuzz/hb-font.h
/usr/include/harfbuzz/hb-ft.h
/usr/include/harfbuzz/hb-glib.h
/usr/include/harfbuzz/hb-gobject-enums.h
/usr/include/harfbuzz/hb-gobject-structs.h
/usr/include/harfbuzz/hb-gobject.h
/usr/include/harfbuzz/hb-graphite2.h
/usr/include/harfbuzz/hb-icu.h
/usr/include/harfbuzz/hb-ot-font.h
/usr/include/harfbuzz/hb-ot-layout.h
/usr/include/harfbuzz/hb-ot-math.h
/usr/include/harfbuzz/hb-ot-shape.h
/usr/include/harfbuzz/hb-ot-tag.h
/usr/include/harfbuzz/hb-ot-var.h
/usr/include/harfbuzz/hb-ot.h
/usr/include/harfbuzz/hb-set.h
/usr/include/harfbuzz/hb-shape-plan.h
/usr/include/harfbuzz/hb-shape.h
/usr/include/harfbuzz/hb-unicode.h
/usr/include/harfbuzz/hb-version.h
/usr/include/harfbuzz/hb.h
/usr/lib
/usr/lib/x86_64-linux-gnu
/usr/lib/x86_64-linux-gnu/libharfbuzz-gobject.a
/usr/lib/x86_64-linux-gnu/libharfbuzz-icu.a
/usr/lib/x86_64-linux-gnu/libharfbuzz.a
/usr/lib/x86_64-linux-gnu/pkgconfig
/usr/lib/x86_64-linux-gnu/pkgconfig/harfbuzz-gobject.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/harfbuzz-icu.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/harfbuzz.pc
/usr/share
/usr/share/doc
/usr/share/doc/libharfbuzz-dev
/usr/share/doc/libharfbuzz-dev/copyright
/usr/share/gir-1.0
/usr/share/gir-1.0/HarfBuzz-0.0.gir
/usr/lib/x86_64-linux-gnu/libharfbuzz-gobject.so
/usr/lib/x86_64-linux-gnu/libharfbuzz-icu.so
/usr/lib/x86_64-linux-gnu/libharfbuzz.so
/usr/share/doc/libharfbuzz-dev/changelog.Debian.gz
Which path should I use?
Update:
Error message:
CMake Error at <some_path>/CMakeLists.txt:6 (find_package):
By not providing "FindHarfbuzz.cmake" in CMAKE_MODULE_PATH this project has
asked CMake to find a package configuration file provided by "Harfbuzz",
but CMake did not find one.
Could not find a package configuration file provided by "Harfbuzz" with any
of the following names:
HarfbuzzConfig.cmake
harfbuzz-config.cmake
Add the installation prefix of "Harfbuzz" to CMAKE_PREFIX_PATH or set
"Harfbuzz_DIR" to a directory containing one of the above files. If
"Harfbuzz" provides a separate development package or SDK, be sure it has
been installed.
I tried to add path via CMAKE_PREFIX_PATH like cmake .. -DCMAKE_PREFIX_PATH=/usr/lib/x86_64-linux-gnu but it doesn't help.

'cabal copy' failed during `stack build` in cifs directory

I'm following these instructions. I successfully did stack new and stack setup but stack build fails.
I found a git issue that this may be due to extra files listed in the cabal file, but removing them didn't fix the issue (and I'm just using the new-template without any changes). I am on Ubuntu 14.04 and installed stack using the script. Is there anything else I can look into?
It appears that this might be due to me trying to build inside of a cifs directory. Is there anything I can do to handle this?
# stack build
ehri-haskell-0.1.0.0: configure (lib + exe)
Configuring ehri-haskell-0.1.0.0...
ehri-haskell-0.1.0.0: build (lib + exe)
Preprocessing library ehri-haskell-0.1.0.0...
Preprocessing executable 'ehri-haskell-exe' for ehri-haskell-0.1.0.0...
ehri-haskell-0.1.0.0: copy/register
Installing library in
/mnt/docs/RubymineProjects/ehri-haskell/.stack-work/install/x86_64-linux/lts-8.6/8.0.2/lib/x86_64-linux-ghc-8.0.2/ehri-haskell-0.1.0.0-Kh3VLZPfbij7EgcL22QBMN
Installing executable(s) in
/mnt/docs/RubymineProjects/ehri-haskell/.stack-work/install/x86_64-linux/lts-8.6/8.0.2/bin
/mnt/docs/RubymineProjects/ehri-haskell/.stack-work/install/x86_64-linux/lts-8.6/8.0.2/bin/.copyFile5965166491189641421.tmp:
copyFile: does not exist (Host is down)
'cabal copy' failed. Error message:
-- While building package ehri-haskell-0.1.0.0 using:
/root/.stack/setup-exe-cache/x86_64-linux/Cabal-simple_mPHDZzAJ_1.24.2.0_ghc-8.0.2 --builddir=.stack-work/dist/x86_64-linux/Cabal-1.24.2.0 copy
Process exited with code: ExitFailure 1
One possible cause of this issue is:
* No module named "Main". The 'main-is' source file should usually have a header indicating that it's a 'Main' module.
# stack --version
Version 1.4.0, Git revision e714f1dd3fade19496d91bd6a017e435a96a6bcd (4640 commits) x86_64 hpack-0.17.0
Looks like the issue is caused by the depth of the folder where the project lives (Windows 10, x64). From the moment the depth exceeds some threshold, described error appears. So try moving the project folder up in directories tree.

Error in configuration process, Project files may be invalid

I'm new to CMake. I copied a small vtk example from the link http://www.vtk.org/Wiki/VTK/Examples/Cxx/IO/SimplePointsReader and used CMake to compile. And it gives me an error, " Error in configuration process, Project files may be invalid".
It shows me the errors,
CMake Error at CMakeLists.txt:5 (find_package): By not providing
"FindVTK.cmake" in CMAKE_MODULE_PATH this project has asked CMake to
find a package configuration file provided by "VTK", but CMake did
not find one.
Could not find a package configuration file provided by "VTK" with
any of the following names:
VTKConfig.cmake
vtk-config.cmake
Add the installation prefix of "VTK" to CMAKE_PREFIX_PATH or set
"VTK_DIR" to a directory containing one of the above files. If
"VTK" provides a separate development package or SDK, be sure it has
been installed.
I have already installed vtk in my pc and please help me with this problem.
CMakeLists.txt contains the following code
cmake_minimum_required(VERSION 2.8)
PROJECT(SimplePointsReader)
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
add_executable(SimplePointsReader MACOSX_BUNDLE SimplePointsReader)
if(VTK_LIBRARIES)
target_link_libraries(SimplePointsReader ${VTK_LIBRARIES})
else()
target_link_libraries(SimplePointsReader vtkHybrid vtkWidgets)
endif()
I've solved this problem by setting VTK_DIR=path_to_VTK/bin as an environment variable, because CMakeList.txt file's changing was not helpful.

How to change library-dirs in ghc-pkg

I'm trying to compile haskell ghc from source. I try to configure my cabal config from different folder than /usr/. From the start it always succeed in building any package.
At some point (after installing package cabal-install), I change my config for cabal to include another "library-dirs". Then, something wrong happens (probably because wrong string to be inserted in field "library-dirs" in cabal config). So, I try to reconfigure my cabal config file again (I even delete the config file and try to clean the ghc package cache) and comment field "library-dirs" options but it still fails. I also already tried to remove the cabal package directory (a directory where cabal save the cache about the packages).
This is the output when using "ghc-pkg check" :
Warning: library-dirs: {stripped} doesn't exist or isn't a directory
This is the output right now when I building package using cabal or manually from Setup.hs :
sudo -E cabal --config-file=/opt/haskell/config/config install hashable -O2 --global --flags="-fllvm" --prefix=/opt/haskell 2>error --upgrade-dependencies --reinstall
Resolving dependencies...
Configuring hashable-1.2.1.0...
Building hashable-1.2.1.0...
Failed to install hashable-1.2.1.0
Last 10 lines of the build log ( /{stripped}/hashable-1.2.1.0.log ):
Data/Hashable/Class.hs:100:15: Warning:
Literal 15868100553162883236 is out of the Int range -9223372036854775808..9223372036854775807
[2 of 3] Compiling Data.Hashable.Generic ( Data/Hashable/Generic.hs, dist/build/Data/Hashable/Generic.o )
Data/Hashable/Generic.hs:20:1: Warning:
The import of ‛Bits’ from module ‛Data.Bits’ is redundant
[3 of 3] Compiling Data.Hashable ( Data/Hashable.hs, dist/build/Data/Hashable.o )
/usr/bin/ld: cannot find {stripped}: No such file or directory
collect2: error: ld returned 1 exit status
This is the cabal config file : (any default values are stripped)
remote-repo: hackage.haskell.org:http://hackage.haskell.org/packages/archive
remote-repo-cache: /opt/haskell/cabal
world-file: /opt/haskell/cabal/world
extra-prog-path: /opt/haskell/cabal/bin
build-summary: /opt/haskell/cabal/logs/build.log
remote-build-reporting: anonymous
jobs: $ncpus
install-dirs global
prefix: /opt/haskell/
Can anybody help me or guide me ? Or at least tell me where ghc are actually save the information of "library-dirs" configuration for an uninstalled package ?
cabal -V
cabal-install version 1.18.0.2
using version 1.18.1.3 of the Cabal library
ghc -v
The Glorious Glasgow Haskell Compilation System, version 7.9.20140206
Thank you.
I believe this might be due to the fact that each package contains the full path to the location when it was first created. Look into. .ghc/YOUR_PLATFORM/package.conf.d(for me, it's .ghc/x86_64-darwin-7.6.3/package.conf.d). You'll see a lot of .conf files, and each will contain hardcoded paths:
[...]
import-dirs: /Users/pejvan/Library/Haskell/ghc-7.6.3/lib/pandoc-types-1.12.3.3/lib
library-dirs: /Users/pejvan/Library/Haskell/ghc-7.6.3/lib/pandoc-types-1.12.3.3/lib
[...]
haddock-interfaces: /Users/pejvan/Library/Haskell/ghc-7.6.3/lib/pandoc-types-1.12.3.3/doc/html/pandoc-types.haddock
haddock-html: /Users/pejvan/Library/Haskell/ghc-7.6.3/lib/pandoc-types-1.12.3.3/doc/html
You can either manually update the files for the contents to point to the right location or write a script which would do it for you.
Then you need to update the package.cache files (might require a sudo here and there):
pejvan$ ghc-pkg recache
pejvan$ ghc-pkg recache --user
Finally, check that everything is now fine:
pejvan$ ghc-pkg check

Creating binary with CMake removes runtime path

I am using CMake to build a program on linux. The program compiles successfully and runs from the project build directory. The program is linked with a custom library in the directory ${HOME}/build/lib
I have an install stage with:
install(TARGETS ProgName RUNTIME DESTINATION bin)
When I run make install the program gets put in the correct place, but the cmake installer removes the runtime path from the binary.
-- Install configuration: "Debug"
-- Installing: *binary name*
-- Removed runtime path from "*binary name*"
I have read articles on the internet discussing the misuse of the LD_LIBRARY_PATH variable so I like to keep mine limited to system library locations if possible. I am not sysadmin so I cannot add the location to the default linker search path either.
Does anyone know how I can keep the development-time linking paths when installing or at least customising which paths are added to the runtime?
Cheers
Note: if you don't want to modify the cmake scripts themselves, setting property around, you can launch you cmake with a directive asking to not remove the runtime path:
See "Variables that Control the Build", with variable: "CMAKE_SKIP_RPATH"
If true, do not add run time path information.
If this is set to TRUE, then the rpath information is not added to compiled executables.
The default is to add rpath information if the platform supports it. This allows for easy running from the build tree.
To omit RPATH in the install step, but not the build step, use CMAKE_SKIP_INSTALL_RPATH instead.
If the deliveries already contained the right runtime path, that directive will avoid cmake to do any modification to the current runtime path included in said deliveries.
cmake -DCMAKE_SKIP_RPATH=ON xxx.cmake
You should look at set_target_properties command and the property BUILD_WITH_INSTALL_RPATH
http://www.cmake.org/cmake/help/cmake-2-8-docs.html#command:set_target_properties
This works for CMake 2.8
set_target_properties(foo PROPERTIES INSTALL_RPATH_USE_LINK_PATH TRUE)
where foo is the target you defined earlier:
project(foo)
add_executable(foo ...)
...
install(TARGETS foo DESTINATION bin)
...
Before
% sudo make install
Install the project...
-- Install configuration: ""
-- Installing: /opt/mystuff/bin/foo
-- Removed runtime path from "/opt/mystuff/bin/foo"
After
% sudo make install
Install the project...
-- Install configuration: ""
-- Installing: /opt/mystuff/bin/foo
-- Set runtime path of "/opt/mystuff/bin/foo" to "/opt/zzyzx/lib:/opt/bar/lib/x86_64"

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