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|
module Rules.Gmp (
gmpRules, gmpBuildPath, gmpObjectsDir, gmpLibraryH, gmpBuildInfoPath
) where
import Base
import Context
import GHC
import Oracles.Setting
import Target
import Utilities
gmpBase :: FilePath
gmpBase = pkgPath integerGmp -/- "gmp"
gmpLibraryInTreeH :: FilePath
gmpLibraryInTreeH = "include/gmp.h"
gmpLibrary :: FilePath
gmpLibrary = ".libs/libgmp.a"
-- | GMP is considered a Stage1 package. This determines GMP build directory.
gmpContext :: Context
gmpContext = vanillaContext Stage1 integerGmp
-- | Build directory for in-tree GMP library.
gmpBuildPath :: Action FilePath
gmpBuildPath = buildRoot <&> (-/- stageString (stage gmpContext) -/- "gmp")
-- | GMP library header, relative to 'gmpBuildPath'.
gmpLibraryH :: FilePath
gmpLibraryH = "include/ghc-gmp.h"
-- | Directory for GMP library object files, relative to 'gmpBuildPath'.
gmpObjectsDir :: FilePath
gmpObjectsDir = "objs"
-- | Path to the GMP library buildinfo file.
gmpBuildInfoPath :: FilePath
gmpBuildInfoPath = pkgPath integerGmp -/- "integer-gmp.buildinfo"
configureEnvironment :: Action [CmdOption]
configureEnvironment = sequence [ builderEnvironment "CC" $ Cc CompileC Stage1
, builderEnvironment "AR" (Ar Unpack Stage1)
, builderEnvironment "NM" Nm ]
gmpRules :: Rules ()
gmpRules = do
-- Copy appropriate GMP header and object files
"//" ++ gmpLibraryH %> \header -> do
windows <- windowsHost
configMk <- readFile' $ gmpBase -/- "config.mk"
if not windows && -- TODO: We don't use system GMP on Windows. Fix?
any (`isInfixOf` configMk) [ "HaveFrameworkGMP = YES", "HaveLibGmp = YES" ]
then do
putBuild "| GMP library/framework detected and will be used"
copyFile (gmpBase -/- "ghc-gmp.h") header
else do
putBuild "| No GMP library/framework detected; in tree GMP will be built"
gmpPath <- gmpBuildPath
need [gmpPath -/- gmpLibrary]
createDirectory (gmpPath -/- gmpObjectsDir)
top <- topDirectory
build $ target gmpContext (Ar Unpack Stage1)
[top -/- gmpPath -/- gmpLibrary] [gmpPath -/- gmpObjectsDir]
copyFile (gmpPath -/- "gmp.h") header
copyFile (gmpPath -/- "gmp.h") (gmpPath -/- gmpLibraryInTreeH)
-- Build in-tree GMP library
"//" ++ gmpLibrary %> \lib -> do
gmpPath <- gmpBuildPath
build $ target gmpContext (Make gmpPath) [gmpPath -/- "Makefile"] [lib]
putSuccess "| Successfully built custom library 'gmp'"
-- In-tree GMP header is built by the gmpLibraryH rule
"//" ++ gmpLibraryInTreeH %> \_ -> do
gmpPath <- gmpBuildPath
need [gmpPath -/- gmpLibraryH]
-- This causes integerGmp package to be configured, hence creating the files
[gmpBase -/- "config.mk", gmpBuildInfoPath] &%> \_ -> do
dataFile <- pkgDataFile gmpContext
need [dataFile]
-- Run GMP's configure script
-- TODO: Get rid of hard-coded @gmp@.
"//gmp/Makefile" %> \mk -> do
env <- configureEnvironment
gmpPath <- gmpBuildPath
need [mk <.> "in"]
buildWithCmdOptions env $
target gmpContext (Configure gmpPath) [mk <.> "in"] [mk]
-- Extract in-tree GMP sources and apply patches
"//gmp/Makefile.in" %> \_ -> do
gmpPath <- gmpBuildPath
removeDirectory gmpPath
-- Note: We use a tarball like gmp-4.2.4-nodoc.tar.bz2, which is
-- gmp-4.2.4.tar.bz2 repacked without the doc/ directory contents.
-- That's because the doc/ directory contents are under the GFDL,
-- which causes problems for Debian.
tarball <- unifyPath . fromSingleton "Exactly one GMP tarball is expected"
<$> getDirectoryFiles "" [gmpBase -/- "gmp-tarballs/gmp*.tar.bz2"]
withTempDir $ \dir -> do
let tmp = unifyPath dir
need [tarball]
build $ target gmpContext (Tar Extract) [tarball] [tmp]
let patch = gmpBase -/- "gmpsrc.patch"
patchName = takeFileName patch
copyFile patch $ tmp -/- patchName
applyPatch tmp patchName
let name = dropExtension . dropExtension $ takeFileName tarball
unpack = fromMaybe . error $ "gmpRules: expected suffix "
++ "-nodoc (found: " ++ name ++ ")."
libName = unpack $ stripSuffix "-nodoc" name
moveDirectory (tmp -/- libName) gmpPath
|
