[Git][ghc/ghc][wip/rts-configure-0] Give the RTS it's own configure script
John Ericson (@Ericson2314)
gitlab at gitlab.haskell.org
Fri Dec 30 05:50:36 UTC 2022
John Ericson pushed to branch wip/rts-configure-0 at Glasgow Haskell Compiler / GHC
Commits:
fabff1a6 by John Ericson at 2022-12-30T00:50:26-05:00
Give the RTS it's own configure script
Currently it doesn't do much anything, we are just trying to introduce
it without breaking the build. Later, we will move functionality from
the top-level configure script over to it.
- - - - -
11 changed files:
- boot
- hadrian/src/Rules/Generate.hs
- hadrian/src/Rules/Lint.hs
- hadrian/src/Rules/Register.hs
- libraries/base/.gitignore
- m4/fp_find_libdw.m4
- rts/.gitignore
- + rts/ConfigLocal.h.post
- + rts/ConfigLocal.h.pre
- + rts/configure.ac
- rts/rts.cabal.in
Changes:
=====================================
boot
=====================================
@@ -63,7 +63,7 @@ def autoreconf():
else:
reconf_cmd = 'autoreconf'
- for dir_ in ['.'] + glob.glob('libraries/*/'):
+ for dir_ in ['.', 'rts'] + glob.glob('libraries/*/'):
if os.path.isfile(os.path.join(dir_, 'configure.ac')):
print("Booting %s" % dir_)
# Update config.sub in submodules
=====================================
hadrian/src/Rules/Generate.hs
=====================================
@@ -147,7 +147,8 @@ generatePackageCode context@(Context stage pkg _ _) = do
root -/- "**" -/- dir -/- "cmm/AutoApply.cmm" %> \file ->
build $ target context GenApply [] [file]
let go gen file = generate file (semiEmptyTarget stage) gen
- root -/- "**" -/- dir -/- "include/ghcautoconf.h" %> go generateGhcAutoconfH
+ root -/- "**" -/- dir -/- "include/ghcautoconf.h" %> \_ ->
+ need . pure =<< pkgSetupConfigFile context
root -/- "**" -/- dir -/- "include/ghcplatform.h" %> go generateGhcPlatformH
root -/- "**" -/- dir -/- "include/DerivedConstants.h" %> genPlatformConstantsHeader context
root -/- "**" -/- dir -/- "include/rts/EventLogConstants.h" %> genEventTypes "--event-types-defines"
@@ -486,26 +487,6 @@ generateConfigHs = do
stageString (Stage0 GlobalLibs) = error "stageString: StageBoot"
--- | Generate @ghcautoconf.h@ header.
-generateGhcAutoconfH :: Expr String
-generateGhcAutoconfH = do
- trackGenerateHs
- configHContents <- expr $ mapMaybe undefinePackage <$> readFileLines configH
- return . unlines $
- [ "#if !defined(__GHCAUTOCONF_H__)"
- , "#define __GHCAUTOCONF_H__" ]
- ++ configHContents ++
- [ "#endif /* __GHCAUTOCONF_H__ */" ]
- where
- undefinePackage s
- | "#define PACKAGE_" `isPrefixOf` s
- = Just $ "/* #undef " ++ takeWhile (/=' ') (drop 8 s) ++ " */"
- | "#define __GLASGOW_HASKELL" `isPrefixOf` s
- = Nothing
- | "/* REMOVE ME */" == s
- = Nothing
- | otherwise = Just s
-
-- | Generate @Version.hs@ files.
generateVersionHs :: Expr String
generateVersionHs = do
=====================================
hadrian/src/Rules/Lint.hs
=====================================
@@ -11,13 +11,15 @@ lintRules :: Rules ()
lintRules = do
"lint:base" ~> lint base
"lint:compiler" ~> lint compiler
+
+ -- Ensure that autoconf scripts, which are usually run by Cabal, are run to
+ -- avoid depending upon Cabal from the stage0 compiler..
"libraries" -/- "base" -/- "include" -/- "HsBaseConfig.h" %> \_ ->
-- ./configure is called here manually because we need to generate
-- HsBaseConfig.h, which is created from HsBaseConfig.h.in. ./configure
- -- is usually run by Cabal which generates this file but if we do that
- -- then hadrian thinks it needs to build the stage0 compiler before
- -- attempting to configure. Therefore we just run it directly here.
cmd_ (Cwd "libraries/base") "./configure"
+ "rts" -/- "include" -/- "ghcautoconf.h" %> \_ ->
+ cmd_ (Cwd "rts") "./configure"
lint :: Action () -> Action ()
lint lintAction = do
=====================================
hadrian/src/Rules/Register.hs
=====================================
@@ -45,6 +45,12 @@ configurePackageRules = do
isGmp <- (== "gmp") <$> interpretInContext ctx getBignumBackend
when isGmp $
need [buildP -/- "include/ghc-gmp.h"]
+ when (pkg == rts) $ do
+ -- Rts.h is a header listed in the cabal file, and configuring
+ -- therefore wants to ensure that the header "works" post-configure.
+ -- But it (transitively) includes this, so we must ensure it exists
+ -- for that check to work.
+ need [buildP -/- "include/ghcplatform.h"]
Cabal.configurePackage ctx
root -/- "**/autogen/cabal_macros.h" %> \out -> do
=====================================
libraries/base/.gitignore
=====================================
@@ -19,4 +19,3 @@
/include/EventConfig.h
/include/HsBaseConfig.h
/include/HsBaseConfig.h.in
-
=====================================
m4/fp_find_libdw.m4
=====================================
@@ -48,9 +48,6 @@ AC_DEFUN([FP_FIND_LIBDW],
AC_SUBST(UseLibdw)
if test $UseLibdw = "YES" ; then
USE_LIBDW=1
- AC_SUBST([CabalHaveLibdw],[True])
- else
- AC_SUBST([CabalHaveLibdw],[False])
fi
AC_DEFINE_UNQUOTED([USE_LIBDW], [$USE_LIBDW], [Set to 1 to use libdw])
])
=====================================
rts/.gitignore
=====================================
@@ -16,3 +16,6 @@
/config.log
/config.status
/configure
+
+/ghcautoconf.h.autoconf.in
+/ghcautoconf.h.autoconf
=====================================
rts/ConfigLocal.h.post
=====================================
@@ -0,0 +1,3 @@
+/* -----------------------------------------------------------------------------
+ End automatic from autoconf
+ -------------------------------------------------------------------------- */
=====================================
rts/ConfigLocal.h.pre
=====================================
@@ -0,0 +1,19 @@
+/* -----------------------------------------------------------------------------
+ *
+ * (c) The GHC Team, 1998-2009
+ *
+ * Rts settings from rts-specific configure.
+ *
+ * NOTE: Over time, this might replace Config.h as everything is migrated
+ * here, but for now we need both.
+ *
+ * To understand the structure of the RTS headers, see the wiki:
+ * https://gitlab.haskell.org/ghc/ghc/wikis/commentary/source-tree/includes
+ *
+ * ---------------------------------------------------------------------------*/
+
+#pragma once
+
+/* -----------------------------------------------------------------------------
+ Begin automatic from autoconf
+ -------------------------------------------------------------------------- */
=====================================
rts/configure.ac
=====================================
@@ -0,0 +1,53 @@
+# Configure script template for the Run-time System of GHC
+#
+# Process with 'autoreconf' to get a working configure script.
+#
+# For the generated configure script, do "./configure --help" to
+# see what flags are available. (Better yet, read the documentation!)
+#
+
+AC_INIT([GHC run-time system], [1.0.2], [libraries at haskell.org], [rts])
+
+AC_CONFIG_MACRO_DIRS([../m4])
+
+# Safety check: Ensure that we are in the correct source directory.
+AC_CONFIG_SRCDIR([include/rts/Constants.h])
+
+dnl * We require autoconf version 2.69 due to
+dnl https://bugs.ruby-lang.org/issues/8179. Also see #14910.
+dnl * We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
+dnl * We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
+dnl * Using autoconf 2.59 started to give nonsense like this
+dnl #define SIZEOF_CHAR 0
+dnl recently.
+AC_PREREQ([2.69])
+
+AC_CONFIG_HEADERS([ghcautoconf.h.autoconf])
+
+# We have to run these unconditionally, but we may discard their
+# results in the following code
+AC_CANONICAL_BUILD
+AC_CANONICAL_HOST
+
+GHC_CONVERT_PLATFORM_PARTS([host], [Host])
+FPTOOLS_SET_PLATFORM_VARS([host], [Host])
+FPTOOLS_SET_HASKELL_PLATFORM_VARS([Host])
+
+AC_OUTPUT
+
+[
+mkdir -p include
+touch include/ghcautoconf.h
+> include/ghcautoconf.h
+
+echo "#if !defined(__GHCAUTOCONF_H__)" >> include/ghcautoconf.h
+echo "#define __GHCAUTOCONF_H__" >> include/ghcautoconf.h
+# Copy the contents of mk/config.h, turning '#define PACKAGE_FOO
+# "blah"' into '/* #undef PACKAGE_FOO */' to avoid clashes.
+sed ghcautoconf.h.autoconf \
+ -e 's,^\([ ]*\)#[ ]*define[ ][ ]*\(PACKAGE_[A-Z]*\)[ ][ ]*".*".*$,\1/* #undef \2 */,' \
+ -e '/__GLASGOW_HASKELL/d' \
+ -e '/REMOVE ME/d' \
+ >> include/ghcautoconf.h
+echo "#endif /* __GHCAUTOCONF_H__ */" >> include/ghcautoconf.h
+]
=====================================
rts/rts.cabal.in
=====================================
@@ -3,7 +3,18 @@ name: rts
version: 1.0.2
license: BSD-3-Clause
maintainer: glasgow-haskell-users at haskell.org
-build-type: Simple
+build-type: Configure
+description:
+ The run-time system for code produced by GHC.
+
+extra-source-files:
+ configure
+ configure.ac
+
+extra-tmp-files:
+ autom4te.cache
+ config.log
+ config.status
source-repository head
type: git
@@ -206,6 +217,7 @@ library
include-dirs: include
includes: Rts.h
+ autogen-includes: ghcautoconf.h
install-includes: Cmm.h HsFFI.h MachDeps.h Rts.h RtsAPI.h Stg.h
ghcautoconf.h ghcconfig.h ghcplatform.h ghcversion.h
-- ^ from include
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/fabff1a6a982d5d0807c55eeb565e8afe3217bb5
--
View it on GitLab: https://gitlab.haskell.org/ghc/ghc/-/commit/fabff1a6a982d5d0807c55eeb565e8afe3217bb5
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