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build-support/cabal: add an option to enable shared library support

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enableSharedLibraries configures Cabal to build of shared libraries. This
option requires that all dependencies of the package have been compiled
for use in shared libraries, too.

enableSharedExecutables configures Cabal to prefer shared libraries when
linking executables.

This patch partly fixes issue #1084.
This commit is contained in:
Peter Simons 2013-10-19 13:48:33 +02:00
parent ee0a88ba01
commit 82bc91a548
1 changed files with 17 additions and 1 deletions
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18
pkgs/build-support/cabal/default.nix
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@ -2,6 +2,8 @@
{ stdenv, fetchurl, lib, pkgconfig, ghc, Cabal, jailbreakCabal, glibcLocales
, enableLibraryProfiling ? false
, enableSharedLibraries ? false
, enableSharedExecutables ? false
, enableCheckPhase ? true
}:
@ -42,8 +44,12 @@ assert enableCheckPhase -> stdenv.lib.versionOlder "7" ghc.ghcVersion;
# if that is not desired (for applications), name can be set to
# fname.
name = if self.isLibrary then
if enableLibraryProfiling then
if enableLibraryProfiling && self.enableSharedLibraries then
"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}-profiling-shared"
else if enableLibraryProfiling && !self.enableSharedLibraries then
"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}-profiling"
else if !enableLibraryProfiling && self.enableSharedLibraries then
"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}-shared"
else
"haskell-${self.pname}-ghc${ghc.ghc.version}-${self.version}"
else
@ -107,8 +113,18 @@ assert enableCheckPhase -> stdenv.lib.versionOlder "7" ghc.ghcVersion;
# and run any regression test suites the package might have
doCheck = enableCheckPhase;
# pass the '--enable-shared' flag to cabal in the configure
# stage to enable building shared libraries
inherit enableSharedLibraries;
# pass the '--enable-executable-dynamic' flag to cabal in
# the configure stage to enable linking shared libraries
inherit enableSharedExecutables;
extraConfigureFlags = [
(stdenv.lib.enableFeature enableLibraryProfiling "library-profiling")
(stdenv.lib.enableFeature self.enableSharedLibraries "shared")
(stdenv.lib.enableFeature self.enableSharedExecutables "executable-dynamic")
(stdenv.lib.enableFeature self.enableSplitObjs "split-objs")
] ++ stdenv.lib.optional (stdenv.lib.versionOlder "7" ghc.ghcVersion) (stdenv.lib.enableFeature self.doCheck "tests");