$> cabal install hmatrix
Resolving dependencies...
[1 of 2] Compiling Config ( /tmp/hmatrix-0.12.0.17519/hmatrix-0.12.0.1/Config.hs, /tmp/hmatrix-0.12.0.17519/hmatrix-0.12.0.1/dist/setup/Config.o )
[2 of 2] Compiling Main ( /tmp/hmatrix-0.12.0.17519/hmatrix-0.12.0.1/Setup.lhs, /tmp/hmatrix-0.12.0.17519/hmatrix-0.12.0.1/dist/setup/Main.o )
Linking /tmp/hmatrix-0.12.0.17519/hmatrix-0.12.0.1/dist/setup/setup ...
Configuring hmatrix-0.12.0.1...
Checking foreign libraries... FAIL
*** Sorry, I can't link GSL.
*** Please make sure that the appropriate -dev packages are installed.
*** You can also specify the required libraries using
*** cabal install hmatrix --configure-option=link:lib1,lib2,lib3,etc.
setup: Package hmatrix-0.12.0.1 can't be built on this system.
cabal: Error: some packages failed to install:
hmatrix-0.12.0.1 failed during the building phase. The exception was:
ExitFailure 1
Что это за -dev packages такие?
