update submodules for GHC.HetMet.GArrow -> Control.GArrow renaming

[ghc-hetmet.git] / aclocal.m4

diff --git a/aclocal.m4 b/aclocal.m4
index 747d064..3426556 100644 (file)
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -4,21 +4,151 @@
 # ensure we don't clash with any pre-supplied autoconf ones.
 
 
 # ensure we don't clash with any pre-supplied autoconf ones.
 
 

+# FPTOOLS_SET_PLATFORM_VARS
+# ----------------------------------
+# Set the platform variables
+AC_DEFUN([FPTOOLS_SET_PLATFORM_VARS],
+[
+    # If no argument was given for a configuration variable, then discard
+    # the guessed canonical system and use the configuration of the
+    # bootstrapping ghc. If an argument was given, map it from gnu format
+    # to ghc format.
+    #
+    # For why we do it this way, see: #3637, #1717, #2951
+    #
+    # In bindists, we haven't called AC_CANONICAL_{BUILD,HOST,TARGET}
+    # so this justs uses $bootstrap_target.
+
+    if test "$build_alias" = ""
+    then
+        if test "$bootstrap_target" != ""
+        then
+            build=$bootstrap_target
+            echo "Build platform inferred as: $build"
+        else
+            echo "Can't work out build platform"
+            exit 1
+        fi
+
+        BuildArch=`echo "$build" | sed 's/-.*//'`
+        BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'`
+        BuildOS=`echo "$build" | sed 's/.*-//'`
+    else
+        GHC_CONVERT_CPU([$build_cpu], [BuildArch])
+        GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor])
+        GHC_CONVERT_OS([$build_os], [BuildOS])
+    fi
+
+    if test "$host_alias" = ""
+    then
+        if test "$bootstrap_target" != ""
+        then
+            host=$bootstrap_target
+            echo "Host platform inferred as: $host"
+        else
+            echo "Can't work out host platform"
+            exit 1
+        fi
+
+        HostArch=`echo "$host" | sed 's/-.*//'`
+        HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'`
+        HostOS=`echo "$host" | sed 's/.*-//'`
+    else
+        GHC_CONVERT_CPU([$host_cpu], [HostArch])
+        GHC_CONVERT_VENDOR([$host_vendor], [HostVendor])
+        GHC_CONVERT_OS([$host_os], [HostOS])
+    fi
+
+    if test "$target_alias" = ""
+    then
+        if test "$bootstrap_target" != ""
+        then
+            target=$bootstrap_target
+            echo "Target platform inferred as: $target"
+        else
+            echo "Can't work out target platform"
+            exit 1
+        fi
+
+        TargetArch=`echo "$target" | sed 's/-.*//'`
+        TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'`
+        TargetOS=`echo "$target" | sed 's/.*-//'`
+    else
+        GHC_CONVERT_CPU([$target_cpu], [TargetArch])
+        GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor])
+        GHC_CONVERT_OS([$target_os], [TargetOS])
+    fi
+])
+
+

 # FPTOOLS_SET_C_LD_FLAGS
 # ----------------------------------
 # FPTOOLS_SET_C_LD_FLAGS
 # ----------------------------------

-# Set the C and LD flags for a given platform
+# Set the C, LD and CPP flags for a given platform
+# $1 is the platform
+# $2 is the name of the CC flags variable
+# $3 is the name of the linker flags variable when linking with gcc
+# $4 is the name of the linker flags variable when linking with ld
+# $5 is the name of the CPP flags variable

 AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
 [
 AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
 [

+    AC_MSG_CHECKING([Setting up $2, $3, $4 and $5])

     case $$1 in
     case $$1 in

-    i386-apple-darwin|powerpc-apple-darwin)
+    i386-apple-darwin)

         $2="$$2 -m32"
         $3="$$3 -m32"
         $2="$$2 -m32"
         $3="$$3 -m32"

+        $4="$$4 -arch i386"
+        $5="$$5 -m32"

         ;;
     x86_64-apple-darwin)
         $2="$$2 -m64"
         $3="$$3 -m64"
         ;;
     x86_64-apple-darwin)
         $2="$$2 -m64"
         $3="$$3 -m64"

+        $4="$$4 -arch x86_64"
+        $5="$$5 -m64"
+        ;;
+    alpha-*)
+        # For now, to suppress the gcc warning "call-clobbered
+        # register used for global register variable", we simply
+        # disable all warnings altogether using the -w flag. Oh well.
+        $2="$$2 -w -mieee -D_REENTRANT"
+        $3="$$3 -w -mieee -D_REENTRANT"
+        $5="$$5 -w -mieee -D_REENTRANT"
+        ;;
+    hppa*)
+        # ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi!
+        # (very nice, but too bad the HP /usr/include files don't agree.)
+        $2="$$2 -D_HPUX_SOURCE"
+        $3="$$3 -D_HPUX_SOURCE"
+        $5="$$5 -D_HPUX_SOURCE"

         ;;
     esac
         ;;
     esac

+
+    # If gcc knows about the stack protector, turn it off.
+    # Otherwise the stack-smash handler gets triggered.
+    echo 'int main(void) {return 0;}' > conftest.c
+    if $CC -c conftest.c -fno-stack-protector > /dev/null 2>&1
+    then
+        $2="$$2 -fno-stack-protector"
+    fi
+    rm -f conftest.c conftest.o
+    AC_MSG_RESULT([done])
+])
+
+
+# FP_VISIBILITY_HIDDEN
+# ----------------------------------
+# Is the visibility hidden attribute supported?
+AC_DEFUN([FP_VISIBILITY_HIDDEN],
+[
+    AC_MSG_CHECKING([whether __attribute__((visibility("hidden"))) is supported])
+    echo '__attribute__((visibility("hidden"))) void foo(void) {}' > conftest.c
+    if $CC -Wall -Werror -c conftest.c > /dev/null 2>&1
+    then
+        AC_MSG_RESULT([yes])
+        AC_DEFINE(HAS_VISIBILITY_HIDDEN, 1, [Has visibility hidden])
+    else
+        AC_MSG_RESULT([no])
+    fi
+    rm -f conftest.c conftest.o

 ])
 
 
 ])
 
 

@@ -66,8 +196,8 @@ AC_DEFUN([FP_EVAL_STDERR],
 # --------------------
 # XXX
 #
 # --------------------
 # XXX
 #

-# $1 = the command to look for
-# $2 = the variable to set
+# $1 = the variable to set
+# $2 = the command to look for

 #
 AC_DEFUN([FP_ARG_WITH_PATH_GNU_PROG],
 [
 #
 AC_DEFUN([FP_ARG_WITH_PATH_GNU_PROG],
 [

@@ -365,6 +495,31 @@ AC_SUBST([LdXFlag])
 ])# FP_PROG_LD_X
 
 
 ])# FP_PROG_LD_X
 
 

+# FP_PROG_LD_BUILD_ID
+# ------------
+
+# Sets the output variable LdHasBuildId to YES if ld supports
+# --build-id, or NO otherwise.
+AC_DEFUN([FP_PROG_LD_BUILD_ID],
+[
+AC_CACHE_CHECK([whether ld understands --build-id], [fp_cv_ld_build_id],
+[echo 'foo() {}' > conftest.c
+${CC-cc} -c conftest.c
+if ${LdCmd} -r --build-id=none -o conftest2.o conftest.o > /dev/null 2>&1; then
+   fp_cv_ld_build_id=yes
+else
+   fp_cv_ld_build_id=no
+fi
+rm -rf conftest*])
+if test "$fp_cv_ld_build_id" = yes; then
+  LdHasBuildId=YES
+else
+  LdHasBuildId=NO
+fi
+AC_SUBST([LdHasBuildId])
+])# FP_PROG_LD_BUILD_ID
+
+

 # FP_PROG_LD_IS_GNU
 # -----------------
 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
 # FP_PROG_LD_IS_GNU
 # -----------------
 # Sets the output variable LdIsGNULd to YES or NO, depending on whether it is

@@ -480,7 +635,7 @@ AC_SUBST([ArArgs], ["$fp_prog_ar_args"])
 # FP_PROG_AR_NEEDS_RANLIB
 # -----------------------
 # Sets the output variable RANLIB to "ranlib" if it is needed and found,
 # FP_PROG_AR_NEEDS_RANLIB
 # -----------------------
 # Sets the output variable RANLIB to "ranlib" if it is needed and found,

-# to ":" otherwise.
+# to "true" otherwise.

 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
 AC_REQUIRE([FP_PROG_AR_ARGS])
 AC_DEFUN([FP_PROG_AR_NEEDS_RANLIB],
 [AC_REQUIRE([FP_PROG_AR_IS_GNU])
 AC_REQUIRE([FP_PROG_AR_ARGS])

@@ -500,38 +655,12 @@ fi])
 if test $fp_cv_prog_ar_needs_ranlib = yes; then
    AC_PROG_RANLIB
 else
 if test $fp_cv_prog_ar_needs_ranlib = yes; then
    AC_PROG_RANLIB
 else

-  RANLIB=":"
+  RANLIB="true"

   AC_SUBST([RANLIB])
 fi
 ])# FP_PROG_AR_NEEDS_RANLIB
 
 
   AC_SUBST([RANLIB])
 fi
 ])# FP_PROG_AR_NEEDS_RANLIB
 
 

-# FP_PROG_AR_SUPPORTS_INPUT
-# -------------------------
-# Sets the output variable ArSupportsInput to "-input" or "", depending on
-# whether ar supports -input flag is supported or not.
-AC_DEFUN([FP_PROG_AR_SUPPORTS_INPUT],
-[AC_REQUIRE([FP_PROG_AR_IS_GNU])
-AC_REQUIRE([FP_PROG_AR_ARGS])
-AC_CACHE_CHECK([whether $fp_prog_ar_raw supports -input], [fp_cv_prog_ar_supports_input],
-[fp_cv_prog_ar_supports_input=no
-if test $fp_prog_ar_is_gnu = no; then
-  rm -f conftest*
-  touch conftest.lst
-  if FP_EVAL_STDERR(["$fp_prog_ar_raw" $fp_prog_ar_args conftest.a -input conftest.lst]) >/dev/null; then
-    test -s conftest.err || fp_cv_prog_ar_supports_input=yes
-  fi
-  rm -f conftest*
-fi])
-if test $fp_cv_prog_ar_supports_input = yes; then
-    ArSupportsInput="-input"
-else
-    ArSupportsInput=""
-fi
-AC_SUBST([ArSupportsInput])
-])# FP_PROG_AR_SUPPORTS_INPUT
-
-

 dnl
 dnl AC_SHEBANG_PERL - can we she-bang perl?
 dnl
 dnl
 dnl AC_SHEBANG_PERL - can we she-bang perl?
 dnl

@@ -551,38 +680,30 @@ rm -f conftest
 ])])
 
 
 ])])
 
 

-# FP_HAVE_GCC
+# FP_GCC_VERSION

 # -----------
 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the
 # -----------
 # Extra testing of the result AC_PROG_CC, testing the gcc version no. Sets the

-# output variables HaveGcc and GccVersion.
-AC_DEFUN([FP_HAVE_GCC],
+# output variable GccVersion.
+AC_DEFUN([FP_GCC_VERSION],

 [AC_REQUIRE([AC_PROG_CC])
 [AC_REQUIRE([AC_PROG_CC])

-if test -z "$GCC"; then
-   fp_have_gcc=NO
-else
-   fp_have_gcc=YES
-fi
-if test "$fp_have_gcc" = "NO" -a -d $srcdir/ghc; then
+if test -z "$GCC"
+then

   AC_MSG_ERROR([gcc is required])
 fi
 GccLT34=
 AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],
   AC_MSG_ERROR([gcc is required])
 fi
 GccLT34=
 AC_CACHE_CHECK([version of gcc], [fp_cv_gcc_version],

-[if test "$fp_have_gcc" = "YES"; then
-   fp_cv_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
-   FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.0],
-     [AC_MSG_ERROR([Need at least gcc version 3.0 (3.4+ recommended)])])
-   # See #2770: gcc 2.95 doesn't work any more, apparently.  There probably
-   # isn't a very good reason for that, but for now just make configure
-   # fail.
-   FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.4], GccLT34=YES)
- else
-   fp_cv_gcc_version="not-installed"
- fi
+[
+    fp_cv_gcc_version="`$CC -v 2>&1 | grep 'version ' | sed -e 's/.*version [[^0-9]]*\([[0-9.]]*\).*/\1/g'`"
+    FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.0],
+                        [AC_MSG_ERROR([Need at least gcc version 3.0 (3.4+ recommended)])])
+    # See #2770: gcc 2.95 doesn't work any more, apparently.  There probably
+    # isn't a very good reason for that, but for now just make configure
+    # fail.
+    FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-lt], [3.4], GccLT34=YES)

 ])
 ])

-AC_SUBST([HaveGcc], [$fp_have_gcc])

 AC_SUBST([GccVersion], [$fp_cv_gcc_version])
 AC_SUBST(GccLT34)
 AC_SUBST([GccVersion], [$fp_cv_gcc_version])
 AC_SUBST(GccLT34)

-])# FP_HAVE_GCC
+])# FP_GCC_VERSION

 
 dnl Small feature test for perl version. Assumes PerlCmd
 dnl contains path to perl binary.
 
 dnl Small feature test for perl version. Assumes PerlCmd
 dnl contains path to perl binary.

@@ -742,7 +863,7 @@ AS_VAR_POPDEF([fp_func])dnl
 
 # FP_GEN_DOCBOOK_XML
 # ------------------
 
 # FP_GEN_DOCBOOK_XML
 # ------------------

-# Generates a DocBook XML V4.2 document in conftest.xml.
+# Generates a DocBook XML V4.5 document in conftest.xml.

 #
 # It took a lot of experimentation to find a document that will cause
 # xsltproc to fail with an error code when the relevant
 #
 # It took a lot of experimentation to find a document that will cause
 # xsltproc to fail with an error code when the relevant

@@ -754,8 +875,8 @@ AC_DEFUN([FP_GEN_DOCBOOK_XML],
 [rm -f conftest.xml conftest-book.xml
 cat > conftest.xml << EOF
 <?xml version="1.0" encoding="iso-8859-1"?>
 [rm -f conftest.xml conftest-book.xml
 cat > conftest.xml << EOF
 <?xml version="1.0" encoding="iso-8859-1"?>

-<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
-   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [[
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [[

 <!ENTITY conftest-book SYSTEM "conftest-book.xml">
 ]]>
 <book id="test">
 <!ENTITY conftest-book SYSTEM "conftest-book.xml">
 ]]>
 <book id="test">

@@ -849,7 +970,7 @@ if test -n "$XmllintCmd"; then
     AC_MSG_RESULT([ok])
   else
     AC_MSG_RESULT([failed])
     AC_MSG_RESULT([ok])
   else
     AC_MSG_RESULT([failed])

-    AC_MSG_WARN([cannot find a DTD for DocBook XML V4.2, you will not be able to validate your documentation])
+    AC_MSG_WARN([cannot find a DTD for DocBook XML V4.5, you will not be able to validate your documentation])

     AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
   fi
   rm -rf conftest*
     AC_MSG_WARN([check your XML_CATALOG_FILES environment variable and/or /etc/xml/catalog])
   fi
   rm -rf conftest*

@@ -910,18 +1031,6 @@ AC_SUBST([FopCmd])
 ])# FP_PROG_FOP
 
 
 ])# FP_PROG_FOP
 
 

-# FP_PROG_HSTAGS
-# ----------------
-# Sets the output variable HstagsCmd to the full Haskell tags program path.
-# HstagsCmd is empty if no such program could be found.
-AC_DEFUN([FP_PROG_HSTAGS],
-[AC_PATH_PROG([HstagsCmd], [hasktags])
-if test -z "$HstagsCmd"; then
-  AC_MSG_WARN([cannot find hasktags in your PATH, you will not be able to build the tags])
-fi
-])# FP_PROG_HSTAGS
-
-

 # FP_PROG_GHC_PKG
 # ----------------
 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable
 # FP_PROG_GHC_PKG
 # ----------------
 # Try to find a ghc-pkg matching the ghc mentioned in the environment variable

@@ -950,52 +1059,16 @@ AC_SUBST([GhcPkgCmd])
 # Determine which extra flags we need to pass gcc when we invoke it
 # to compile .hc code.
 #
 # Determine which extra flags we need to pass gcc when we invoke it
 # to compile .hc code.
 #

-# Some OSs (Mandrake Linux, in particular) configure GCC with
-# -momit-leaf-frame-pointer on by default. If this is the case, we
-# need to turn it off for mangling to work. The test is currently a
-# bit crude, using only the version number of gcc.
-# 

 # -fwrapv is needed for gcc to emit well-behaved code in the presence of
 # integer wrap around. (Trac #952)
 #
 # -fwrapv is needed for gcc to emit well-behaved code in the presence of
 # integer wrap around. (Trac #952)
 #

-# -fno-unit-at-a-time or -fno-toplevel-reoder is necessary to avoid gcc
-# reordering things in the module and confusing the manger and/or splitter.
-# (eg. Trac #1427)
-#
-# If gcc knows about the stack protector, turn it off.
-# Otherwise the stack-smash handler gets triggered.
-#

 AC_DEFUN([FP_GCC_EXTRA_FLAGS],
 AC_DEFUN([FP_GCC_EXTRA_FLAGS],

-[AC_REQUIRE([FP_HAVE_GCC])
+[AC_REQUIRE([FP_GCC_VERSION])

 AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
 [fp_cv_gcc_extra_opts=
  FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
   [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
   [])
 AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
 [fp_cv_gcc_extra_opts=
  FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
   [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
   [])

- case $TargetPlatform in
-  i386-*|x86_64-*) 
-     FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.2],
-      [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -mno-omit-leaf-frame-pointer"],
-      [])
-    FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
-     [FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
-       [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
-       [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-unit-at-a-time"]
-     )],
-     [])
-  ;;
-  sparc-*-solaris2) 
-    FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
-      [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
-      [])
-  ;;
- esac
- echo 'int main(void) {return 0;}' > conftest.c
- if $CC -c conftest.c -fno-stack-protector > /dev/null 2>&1
- then
-     fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-stack-protector"
- fi
- rm conftest.c conftest.o

 ])
 AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
 ])
 ])
 AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
 ])

@@ -1012,7 +1085,7 @@ if test "$RELEASE" = "NO"; then
         AC_MSG_RESULT(given $PACKAGE_VERSION)
     elif test -d .git; then
         changequote(, )dnl
         AC_MSG_RESULT(given $PACKAGE_VERSION)
     elif test -d .git; then
         changequote(, )dnl

-        ver_date=`git log -n 1 --date=short --pretty=format:%ci | sed "s/^.*\([0-9][0-9][0-9][0-9]\)-\([0-9][0-9]\)-\([0-9][0-9]\).*$/\1\2\3/"`
+        ver_date=`git log -n 1 --date=short --pretty=format:%ci | cut -d ' ' -f 1 | tr -d -`

         if echo $ver_date | grep '^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]$' 2>&1 >/dev/null; then true; else
         changequote([, ])dnl
                 AC_MSG_ERROR([failed to detect version date: check that git is in your path])
         if echo $ver_date | grep '^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]$' 2>&1 >/dev/null; then true; else
         changequote([, ])dnl
                 AC_MSG_ERROR([failed to detect version date: check that git is in your path])

@@ -1195,27 +1268,53 @@ case $fptools_cv_timer_create_works in
 esac
 ])
 
 esac
 ])
 

-# FP_ARG_GMP
+# FP_ICONV

 # -------------
 # -------------

-AC_DEFUN([FP_ARG_GMP],
+AC_DEFUN([FP_ICONV],

 [
 [

-AC_ARG_WITH([gmp-includes],
-  [AC_HELP_STRING([--with-gmp-includes],
-    [directory containing gmp.h])],
-    [gmp_includes=$withval],
-    [gmp_includes=NONE])
-
-AC_ARG_WITH([gmp-libraries],
-  [AC_HELP_STRING([--with-gmp-libraries],
-    [directory containing gmp library])],
-    [gmp_libraries=$withval],
-    [gmp_libraries=NONE])
-])# FP_ARG_GMP
-
-AC_DEFUN([CHECK_GMP],
-[AC_REQUIRE([AC_PROG_CPP])
-AC_REQUIRE([AC_PROG_CC])
-])
+  dnl--------------------------------------------------------------------
+  dnl * Deal with arguments telling us iconv is somewhere odd
+  dnl--------------------------------------------------------------------
+
+  dnl Note: ICONV_LIB_DIRS and ICONV_INCLUDE_DIRS are not predefined
+  dnl to the empty string to allow them to be overridden from the
+  dnl environment.
+
+  AC_ARG_WITH([iconv-includes],
+    [AC_HELP_STRING([--with-iconv-includes],
+      [directory containing iconv.h])],
+      [ICONV_INCLUDE_DIRS=$withval])
+
+  AC_ARG_WITH([iconv-libraries],
+    [AC_HELP_STRING([--with-iconv-libraries],
+      [directory containing iconv library])],
+      [ICONV_LIB_DIRS=$withval])
+
+  AC_SUBST(ICONV_INCLUDE_DIRS)
+  AC_SUBST(ICONV_LIB_DIRS)
+])# FP_ICONV
+
+# FP_GMP
+# -------------
+AC_DEFUN([FP_GMP],
+[
+  dnl--------------------------------------------------------------------
+  dnl * Deal with arguments telling us gmp is somewhere odd
+  dnl--------------------------------------------------------------------
+
+  AC_ARG_WITH([gmp-includes],
+    [AC_HELP_STRING([--with-gmp-includes],
+      [directory containing gmp.h])],
+      [GMP_INCLUDE_DIRS=$withval])
+
+  AC_ARG_WITH([gmp-libraries],
+    [AC_HELP_STRING([--with-gmp-libraries],
+      [directory containing gmp library])],
+      [GMP_LIB_DIRS=$withval])
+
+  AC_SUBST(GMP_INCLUDE_DIRS)
+  AC_SUBST(GMP_LIB_DIRS)
+])# FP_GMP

 
 # FP_CHECK_MACOSX_DEPLOYMENT_TARGET
 # ---------------------------------
 
 # FP_CHECK_MACOSX_DEPLOYMENT_TARGET
 # ---------------------------------

@@ -1250,43 +1349,49 @@ fi
 # Calculate absolute path to build tree
 # --------------------------------------------------------------
 
 # Calculate absolute path to build tree
 # --------------------------------------------------------------
 

-AC_DEFUN([FP_FIND_ROOT],[
-AC_MSG_CHECKING(for path to top of build tree)
+AC_DEFUN([FP_INTREE_GHC_PWD],[
+AC_MSG_NOTICE(Building in-tree ghc-pwd)
+    dnl This would be
+    dnl     make -C utils/ghc-pwd clean && make -C utils/ghc-pwd
+    dnl except we don't want to have to know what make is called. Sigh.
+    rm -rf utils/ghc-pwd/dist-boot
+    mkdir  utils/ghc-pwd/dist-boot
+    if ! "$WithGhc" -v0 -no-user-package-conf -hidir utils/ghc-pwd/dist-boot -odir utils/ghc-pwd/dist-boot -stubdir utils/ghc-pwd/dist-boot --make utils/ghc-pwd/Main.hs -o utils/ghc-pwd/dist-boot/ghc-pwd
+    then
+        AC_MSG_ERROR([Building ghc-pwd failed])
+    fi

 
 

-dnl This would be
-dnl     make -C utils/ghc-pwd clean && make -C utils/ghc-pwd
-dnl except we don't want to have to know what make is called. Sigh.
-if test ! -f utils/ghc-pwd/ghc-pwd && test ! -f utils/ghc-pwd/ghc-pwd.exe; then
-  cd utils/ghc-pwd
-  rm -f *.o
-  rm -f *.hi
-  rm -f ghc-pwd
-  rm -f ghc-pwd.exe
-  "$WithGhc" -v0 --make ghc-pwd -o ghc-pwd
-  cd ../..
-fi
+    GHC_PWD=utils/ghc-pwd/dist-boot/ghc-pwd
+])

 
 

-hardtop=`utils/ghc-pwd/ghc-pwd`
+AC_DEFUN([FP_BINDIST_GHC_PWD],[
+    GHC_PWD=utils/ghc-pwd/dist-install/build/tmp/ghc-pwd
+])

 
 

-if ! test -d "$hardtop"; then
-  AC_MSG_ERROR([cannot determine current directory])
-fi   
+AC_DEFUN([FP_FIND_ROOT],[
+AC_MSG_CHECKING(for path to top of build tree)
+    hardtop=`$GHC_PWD`

 
 

-dnl Remove common automounter nonsense
-dnl
-hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`
+    dnl Remove common automounter nonsense
+    hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|'`

 
 

-AC_SUBST(hardtop)
+    if ! test -d "$hardtop"; then
+        AC_MSG_ERROR([cannot determine current directory])
+    fi

 
 

-AC_MSG_RESULT(${hardtop})
+    dnl We don't support building in directories with spaces.
+    case "$hardtop" in
+    *' '*)
+        AC_MSG_ERROR([
+        The build system does not support building in a directory
+        containing space characters.
+        Suggestion: move the build tree somewhere else.])
+        ;;
+    esac

 
 

-# We don't support building in directories with spaces.
-case "$hardtop" in
-  *' '*) AC_MSG_ERROR([
-   The build system does not support building in a directory containing
-   space characters.  Suggestion: move the build tree somewhere else.])
- ;;
-esac
+    AC_SUBST(hardtop)
+
+    AC_MSG_RESULT($hardtop)

 ])
 
 # GHC_CONVERT_CPU(cpu, target_var)
 ])
 
 # GHC_CONVERT_CPU(cpu, target_var)

@@ -1306,7 +1411,7 @@ case "$1" in
   hppa*)
     $2="hppa"
     ;;
   hppa*)
     $2="hppa"
     ;;

-  i386)
+  i386|i486|i586|i686)

     $2="i386"
     ;;
   ia64)
     $2="i386"
     ;;
   ia64)

@@ -1359,7 +1464,15 @@ case "$1" in
 # --------------------------------
 # converts vendor from gnu to ghc naming, and assigns the result to $target_var
 AC_DEFUN([GHC_CONVERT_VENDOR],[
 # --------------------------------
 # converts vendor from gnu to ghc naming, and assigns the result to $target_var
 AC_DEFUN([GHC_CONVERT_VENDOR],[

-$2="$1"
+  case "$1" in
+  pc|gentoo) # like i686-pc-linux-gnu and i686-gentoo-freebsd8
+    $2="unknown"
+    ;;
+  *)
+    #pass thru by default
+    $2="$1"
+    ;;
+  esac

 ])
 
 # GHC_CONVERT_OS(os, target_var)
 ])
 
 # GHC_CONVERT_OS(os, target_var)

@@ -1374,6 +1487,9 @@ case "$1" in
   freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
     $2="$1"
     ;;
   freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
     $2="$1"
     ;;

+  freebsd8) # like i686-gentoo-freebsd8
+    $2="freebsd"
+    ;;

   *)
     echo "Unknown OS $1"
     exit 1
   *)
     echo "Unknown OS $1"
     exit 1

@@ -1381,6 +1497,21 @@ case "$1" in
   esac
 ])
 
   esac
 ])
 

+# BOOTSTRAPPING_GHC_INFO_FIELD
+# --------------------------------
+# If the bootstrapping compiler is >= 7.1, then set the variable
+# $1 to the value of the ghc --info field $2. Otherwise, set it to
+# $3.
+AC_DEFUN([BOOTSTRAPPING_GHC_INFO_FIELD],[
+if test $GhcCanonVersion -ge 701
+then
+    $1=`"$WithGhc" --info | grep "^ ,(\"$2\"," | sed -e 's/.*","//' -e 's/")$//'`
+else
+    $1=$3
+fi
+AC_SUBST($1)
+])
+

 # LIBRARY_VERSION(lib)
 # --------------------------------
 # Gets the version number of a library.
 # LIBRARY_VERSION(lib)
 # --------------------------------
 # Gets the version number of a library.