rts: fix barf format attribute
[ghc.git] / configure.ac
index c0961cf..5bf096b 100644 (file)
@@ -13,7 +13,7 @@ dnl
 # see what flags are available. (Better yet, read the documentation!)
 #
 
-AC_INIT([The Glorious Glasgow Haskell Compilation System], [8.3], [glasgow-haskell-bugs@haskell.org], [ghc-AC_PACKAGE_VERSION])
+AC_INIT([The Glorious Glasgow Haskell Compilation System], [8.5], [glasgow-haskell-bugs@haskell.org], [ghc-AC_PACKAGE_VERSION])
 
 # Set this to YES for a released version, otherwise NO
 : ${RELEASE=NO}
@@ -27,7 +27,7 @@ AC_INIT([The Glorious Glasgow Haskell Compilation System], [8.3], [glasgow-haske
 # when the source distribution was created.
 
 if test ! -f mk/config.h.in; then
-   echo "mk/config.h.in doesn't exist: perhaps you haven't run 'perl boot'?"
+   echo "mk/config.h.in doesn't exist: perhaps you haven't run 'python3 boot'?"
    exit 1
 fi
 
@@ -158,8 +158,8 @@ if test "$WithGhc" = ""
 then
     AC_MSG_ERROR([GHC is required.])
 fi
-FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[7.10],
-    [AC_MSG_ERROR([GHC version 7.10 or later is required to compile GHC.])])
+FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[8.0],
+    [AC_MSG_ERROR([GHC version 8.0 or later is required to compile GHC.])])
 
 if test `expr $GhcMinVersion % 2` = "1"
 then
@@ -176,11 +176,6 @@ fi
 GHC_PACKAGE_DB_FLAG=package-db
 AC_SUBST(GHC_PACKAGE_DB_FLAG)
 
-FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[7.11],
-                    SUPPORTS_THIS_UNIT_ID=NO,
-                    SUPPORTS_THIS_UNIT_ID=YES)
-AC_SUBST(SUPPORTS_THIS_UNIT_ID)
-
 # GHC is passed to Cabal, so we need a native path
 if test "${WithGhc}" != ""
 then
@@ -391,6 +386,8 @@ then
     OBJDUMP="${mingwbin}objdump.exe"
     fp_prog_ar="${mingwbin}ar.exe"
 
+    AC_PATH_PROG([Genlib],[genlib])
+
     # NB. Download the perl binaries if required
     if ! test -d inplace/perl ||
          test inplace/perl -ot ghc-tarballs/perl/ghc-perl*.tar.gz
@@ -414,21 +411,32 @@ then
     # are screwed up. Configure doesn't think they're ever equal and
     # so never tried without the prefix.
     AC_PATH_PROG([CC],[gcc], [clang])
-    AC_PATH_PROG([LD],[ld], [lld])
     AC_PATH_PROG([NM],[nm])
     AC_PATH_PROG([AR],[ar])
     AC_PATH_PROG([RANLIB],[ranlib])
     AC_PATH_PROG([OBJDUMP],[objdump])
     AC_PATH_PROG([DllWrap],[dllwrap])
     AC_PATH_PROG([Windres],[windres])
+    AC_PATH_PROG([Genlib],[genlib])
+fi
 
-    DllWrapCmd="$DllWrap"
-    WindresCmd="$Windres"
+DllWrapCmd="$DllWrap"
+WindresCmd="$Windres"
 
-    AC_SUBST([DllWrapCmd])
-    AC_SUBST([WindresCmd])
+HAVE_GENLIB=False
+if test "$HostOS" = "mingw32"
+then
+    if test "$Genlib" != ""; then
+        GenlibCmd="$(cygpath -m $Genlib)"
+        HAVE_GENLIB=True
+    fi
 fi
 
+AC_SUBST([DllWrapCmd])
+AC_SUBST([WindresCmd])
+AC_SUBST([GenlibCmd])
+AC_SUBST([HAVE_GENLIB])
+
 FP_ICONV
 FP_GMP
 FP_CURSES
@@ -530,11 +538,20 @@ FP_SET_CFLAGS_C99([CC_STAGE0],[CONF_CC_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
 FP_SET_CFLAGS_C99([CC],[CONF_CC_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
 FP_SET_CFLAGS_C99([CC],[CONF_CC_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
 
-dnl ** Which ld to use?
+dnl ** Which ld to use
 dnl --------------------------------------------------------------
-FIND_LD([$target],[LdCmd])
+FIND_LD([$target],[GccUseLdOpt])
+CONF_GCC_LINKER_OPTS_STAGE1="$CONF_GCC_LINKER_OPTS_STAGE1 $GccUseLdOpt"
+CONF_GCC_LINKER_OPTS_STAGE2="$CONF_GCC_LINKER_OPTS_STAGE2 $GccUseLdOpt"
+LdCmd="$LD"
+CFLAGS="$CFLAGS $GccUseLdOpt"
 AC_SUBST([LdCmd])
 
+FP_PROG_LD_IS_GNU
+FP_PROG_LD_BUILD_ID
+FP_PROG_LD_NO_COMPACT_UNWIND
+FP_PROG_LD_FILELIST
+
 dnl ** Which nm to use?
 dnl --------------------------------------------------------------
 if test "$HostOS" != "mingw32"; then
@@ -584,18 +601,6 @@ esac
 ObjdumpCmd="$OBJDUMP"
 AC_SUBST([ObjdumpCmd])
 
-dnl ** Which ar to use?
-dnl --------------------------------------------------------------
-if test "$HostOS" != "mingw32"; then
-    AC_CHECK_TARGET_TOOL([AR], [ar])
-    if test "$AR" = ":"; then
-        AC_MSG_ERROR([cannot find ar in your PATH])
-    fi
-fi
-ArCmd="$AR"
-fp_prog_ar="$AR"
-AC_SUBST([ArCmd])
-
 dnl ** Which ranlib to use?
 dnl --------------------------------------------------------------
 AC_PROG_RANLIB
@@ -603,23 +608,45 @@ if test "$RANLIB" = ":"; then
     AC_MSG_ERROR([cannot find ranlib in your PATH])
 fi
 RanlibCmd="$RANLIB"
-RANLIB="$RanlibCmd"
+AC_SUBST([RanlibCmd])
+
+dnl ** which strip to use?
+dnl --------------------------------------------------------------
+AC_CHECK_TARGET_TOOL([STRIP], [strip])
+StripCmd="$STRIP"
+AC_SUBST([StripCmd])
+
 
 dnl ** which libtool to use?
 dnl --------------------------------------------------------------
-AC_CHECK_TARGET_TOOL([LIBTOOL], [libtool])
-LibtoolCmd="$LIBTOOL"
-LIBTOOL="$LibtoolCmd"
+# The host normalization on Windows breaks autoconf, it no longer
+# thinks that target == host so it never checks the unqualified
+# tools for Windows. See #14274.
+if test "$HostOS" = "mingw32"
+then
+    AC_PATH_PROG([LIBTOOL],[libtool])
+    LibtoolCmd="$(cygpath -m $LIBTOOL)"
+else
+    AC_CHECK_TARGET_TOOL([LIBTOOL], [libtool])
+    LibtoolCmd="$LIBTOOL"
+fi
+AC_SUBST([LibtoolCmd])
 
 # Here is where we re-target which specific version of the LLVM
 # tools we are looking for. In the past, GHC supported a number of
 # versions of LLVM simultaneously, but that stopped working around
 # 3.5/3.6 release of LLVM.
-LlvmVersion=4.0
+LlvmVersion=5.0
 AC_SUBST([LlvmVersion])
 sUPPORTED_LLVM_VERSION=$(echo \($LlvmVersion\) | sed 's/\./,/')
 AC_DEFINE_UNQUOTED([sUPPORTED_LLVM_VERSION], ${sUPPORTED_LLVM_VERSION}, [The supported LLVM version number])
 
+dnl ** Which LLVM clang to use?
+dnl --------------------------------------------------------------
+AC_CHECK_TARGET_TOOL([CLANG], [clang])
+ClangCmd="$CLANG"
+AC_SUBST([ClangCmd])
+
 dnl ** Which LLVM llc to use?
 dnl --------------------------------------------------------------
 FIND_LLVM_PROG([LLC], [llc], [$LlvmVersion])
@@ -685,24 +712,23 @@ FP_GCC_VERSION
 dnl ** See whether gcc supports -no-pie
 FP_GCC_SUPPORTS_NO_PIE
 
+dnl ** Used to determine how to compile ghc-prim's atomics.c, used by
+dnl    unregisterised, Sparc, and PPC backends.
+FP_GCC_SUPPORTS__ATOMICS
+AC_DEFINE([HAVE_C11_ATOMICS], [$CONF_GCC_SUPPORTS__ATOMICS], [Does GCC support __atomic primitives?])
+
+FP_GCC_EXTRA_FLAGS
+
 dnl ** look to see if we have a C compiler using an llvm back end.
 dnl
 FP_CC_LLVM_BACKEND
 
-FP_PROG_LD_IS_GNU
-FP_PROG_LD_BUILD_ID
-FP_PROG_LD_NO_COMPACT_UNWIND
-FP_PROG_LD_FILELIST
-
-
 FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
 FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
 FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
 # Stage 3 won't be supported by cross-compilation
 
-FP_GCC_EXTRA_FLAGS
-
 # See rules/distdir-way-opts.mk for details.
 # Flags passed to the C compiler
 AC_SUBST(CONF_CC_OPTS_STAGE0)
@@ -772,7 +798,9 @@ dnl ** check for dtrace (currently only implemented for Mac OS X)
 HaveDtrace=NO
 AC_PATH_PROG(DtraceCmd,dtrace)
 if test -n "$DtraceCmd"; then
-  if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple" -o "x$TargetOS_CPP-$TargetVendor_CPP" = "xsolaris2-unknown"; then
+  if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple" \
+               -o "x$TargetOS_CPP-$TargetVendor_CPP" = "xfreebsd-portbld" \
+               -o "x$TargetOS_CPP-$TargetVendor_CPP" = "xsolaris2-unknown"; then
     HaveDtrace=YES
   fi
 fi
@@ -873,8 +901,13 @@ FP_CHECK_SIZEOF_AND_ALIGNMENT(uint64_t)
 
 
 dnl for use in settings.in
-WordSize=$ac_cv_sizeof_void_p
-AC_SUBST(WordSize)
+TargetWordSize=$ac_cv_sizeof_void_p
+if test "x$TargetWordSize" == 8; then
+  AC_SUBST([Cabal64bit],[True])
+else
+  AC_SUBST([Cabal64bit],[False])
+fi
+AC_SUBST(TargetWordSize)
 FP_CHECK_FUNC([WinExec],
   [@%:@include <windows.h>], [WinExec("",0)])
 
@@ -893,8 +926,11 @@ AC_CHECK_DECLS([ctime_r], , ,
 #include <time.h>])
 
 dnl ** check for mingwex library
-AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
-AC_SUBST(HaveLibMingwEx)
+AC_CHECK_LIB(
+  [mingwex],
+  [closedir],
+  [AC_SUBST([HaveLibMingwEx],[YES])] [AC_SUBST([CabalMingwex],[True])],
+  [AC_SUBST([HaveLibMingwEx],[NO])] [AC_SUBST([CabalMingwex],[False])])
 
 if test $HaveLibMingwEx = YES ; then
   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
@@ -909,6 +945,9 @@ AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
 if test $HaveLibM = YES
 then
   AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
+  AC_SUBST([CabalHaveLibm],[True])
+else
+  AC_SUBST([CabalHaveLibm],[False])
 fi
 
 FP_BFD_SUPPORT
@@ -960,6 +999,7 @@ AC_ARG_WITH([ffi-libraries],
 
 AC_SUBST(FFILibDir)
 
+AC_SUBST([CabalHaveLibffi],[False])
 AS_IF([test "$UseSystemLibFFI" = "YES"], [
  CFLAGS2="$CFLAGS"
  CFLAGS="$LIBFFI_CFLAGS $CFLAGS"
@@ -976,14 +1016,16 @@ AS_IF([test "$UseSystemLibFFI" = "YES"], [
  fi
  AC_CHECK_LIB(ffi, ffi_call,
   [AC_CHECK_HEADERS([ffi.h], [break], [])
-   AC_DEFINE([HAVE_LIBFFI], [1], [Define to 1 if you have libffi.])],
+   AC_DEFINE([HAVE_LIBFFI], [1], [Define to 1 if you have libffi.])]
+   AC_SUBST([CabalHaveLibffi],[True]),
   [AC_MSG_ERROR([Cannot find system libffi])])
  CFLAGS="$CFLAGS2"
  LDFLAGS="$LDFLAGS2"
 ])
 
 dnl ** check whether we need -ldl to get dlopen()
-AC_CHECK_LIB(dl, dlopen)
+AC_CHECK_LIB([dl], [dlopen])
+AC_CHECK_LIB([dl], [dlopen], [AC_SUBST([CabalHaveLibdl], [True])], [AC_SUBST([CabalHaveLibdl], [False])])
 
 dnl --------------------------------------------------
 dnl * Miscellaneous feature tests
@@ -1008,7 +1050,8 @@ FP_LEADING_UNDERSCORE
 FP_VISIBILITY_HIDDEN
 
 dnl ** check for librt
-AC_CHECK_LIB(rt, clock_gettime)
+AC_CHECK_LIB([rt], [clock_gettime])
+AC_CHECK_LIB([rt], [clock_gettime], [AC_SUBST([CabalHaveLibrt], [True])], [AC_SUBST([CabalHaveLibrt], [False])])
 AC_CHECK_FUNCS(clock_gettime timer_settime)
 FP_CHECK_TIMER_CREATE
 
@@ -1035,15 +1078,18 @@ AC_MSG_CHECKING(whether -lpthread is needed for pthreads)
 AC_CHECK_FUNC(pthread_create,
     [
         AC_MSG_RESULT(no)
+        AC_SUBST([CabalNeedLibpthread],[False])
         need_lpthread=0
     ],
     [
         AC_CHECK_LIB(pthread, pthread_create,
             [
                 AC_MSG_RESULT(yes)
+                AC_SUBST([CabalNeedLibpthread],[True])
                 need_lpthread=1
             ],
             [
+                AC_SUBST([CabalNeedLibpthread],[False])
                 AC_MSG_RESULT([no pthreads support found.])
                 need_lpthread=0
             ])
@@ -1176,6 +1222,9 @@ AC_ARG_ENABLE(dwarf-unwind,
 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])
 
@@ -1247,7 +1296,7 @@ checkMake380() {
 checkMake380 make
 checkMake380 gmake
 
-AC_CONFIG_FILES([mk/config.mk mk/install.mk mk/project.mk compiler/ghc.cabal ghc/ghc-bin.cabal utils/runghc/runghc.cabal libraries/ghc-boot/ghc-boot.cabal libraries/ghc-boot-th/ghc-boot-th.cabal libraries/ghci/ghci.cabal settings docs/users_guide/ghc_config.py docs/index.html libraries/prologue.txt utils/mkUserGuidePart/mkUserGuidePart.cabal distrib/configure.ac])
+AC_CONFIG_FILES([mk/config.mk mk/install.mk mk/project.mk rts/rts.cabal compiler/ghc.cabal ghc/ghc-bin.cabal utils/runghc/runghc.cabal utils/gen-dll/gen-dll.cabal libraries/ghc-boot/ghc-boot.cabal libraries/ghc-boot-th/ghc-boot-th.cabal libraries/ghci/ghci.cabal settings docs/users_guide/ghc_config.py docs/index.html libraries/prologue.txt distrib/configure.ac])
 AC_OUTPUT
 [
 if test "$print_make_warning" = "true"; then
@@ -1300,6 +1349,7 @@ echo "\
    ranlib       : $RanlibCmd
    windres      : $WindresCmd
    dllwrap      : $DllWrapCmd
+   genlib       : $GenlibCmd
    Happy        : $HappyCmd ($HappyVersion)
    Alex         : $AlexCmd ($AlexVersion)
    Perl         : $PerlCmd
@@ -1307,6 +1357,7 @@ echo "\
    xelatex      : $XELATEX
 
    Using LLVM tools
+      clang : $ClangCmd
       llc   : $LlcCmd
       opt   : $OptCmd"