Deal with large extra-contraints wildcards
[ghc.git] / configure.ac
index c0961cf..98fffe1 100644 (file)
@@ -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
@@ -530,9 +538,13 @@ 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 ** Choose a linker
 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])
 
 dnl ** Which nm to use?
@@ -584,18 +596,6 @@ 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
@@ -607,19 +607,37 @@ RANLIB="$RanlibCmd"
 
 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. I don't know why we do this whole normalization thing
+# as it just breaks everything.. but for now, just check the unqualified one
+# if on Windows.
+if test "$HostOS" = "mingw32"
+then
+    AC_PATH_PROG([LIBTOOL],[libtool])
+    LibtoolCmd="$(cygpath -m $LIBTOOL)"
+else
+    AC_CHECK_TARGET_TOOL([LIBTOOL], [libtool])
+    LibtoolCmd="$LIBTOOL"
+    LIBTOOL="$LibtoolCmd"
+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])
@@ -694,7 +712,6 @@ 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])
@@ -873,8 +890,8 @@ 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
+AC_SUBST(TargetWordSize)
 FP_CHECK_FUNC([WinExec],
   [@%:@include <windows.h>], [WinExec("",0)])
 
@@ -1247,7 +1264,7 @@ 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 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 +1317,7 @@ echo "\
    ranlib       : $RanlibCmd
    windres      : $WindresCmd
    dllwrap      : $DllWrapCmd
+   genlib       : $GenlibCmd
    Happy        : $HappyCmd ($HappyVersion)
    Alex         : $AlexCmd ($AlexVersion)
    Perl         : $PerlCmd
@@ -1307,6 +1325,7 @@ echo "\
    xelatex      : $XELATEX
 
    Using LLVM tools
+      clang : $ClangCmd
       llc   : $LlcCmd
       opt   : $OptCmd"