Fix warnings in deSugar/DsListComp.lhs
[ghc.git] / configure.ac
index 4e9b548..c80c32c 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], [7.1], [glasgow-haskell-bugs@haskell.org], [ghc])
+AC_INIT([The Glorious Glasgow Haskell Compilation System], [7.3], [glasgow-haskell-bugs@haskell.org], [ghc])
 
 # Set this to YES for a released version, otherwise NO
 : ${RELEASE=NO}
@@ -207,106 +207,6 @@ AC_CANONICAL_TARGET
 
 FPTOOLS_SET_PLATFORM_VARS
 
-exeext=''
-soext='.so'
-case $host in
-*-unknown-cygwin32)
-    AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
-    AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
-    exit 1
-    ;;
-*-unknown-mingw32)
-    exeext='.exe'
-    soext='.dll'
-    ;;
-i386-apple-darwin|powerpc-apple-darwin)
-    soext='.dylib'
-    ;;
-x86_64-apple-darwin)
-    soext='.dylib'
-    ;;
-esac
-
-# Testing if we shall enable shared libs support on Solaris.
-# Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken.
-
-SOLARIS_BROKEN_SHLD=NO
-
-case $host in
-     i386-*-solaris2)
-     # here we go with the test
-     MINOR=`uname -r|cut -d '.' -f 2-`
-     if test "$MINOR" -lt "11"; then
-       SOLARIS_BROKEN_SHLD=YES
-     fi
-     ;;
-esac
-
-# Sync this with cTargetArch in compiler/ghc.mk
-checkArch() {
-    case $1 in
-    alpha|arm|hppa|hppa1_1|i386|ia64|m68k|mips|mipseb|mipsel|powerpc|powerpc64|rs6000|s390|sparc|sparc64|vax|x86_64)
-        ;;
-    *)
-        echo "Unknown arch $1"
-        exit 1
-        ;;
-    esac
-}
-
-checkVendor() {
-    case $1 in
-    dec|unknown|hp|apple|next|sun|sgi|ibm)
-        ;;
-    *)
-        echo "Unknown vendor $1"
-        exit 1
-        ;;
-    esac
-}
-
-# Sync this with cTargetOS in compiler/ghc.mk
-checkOS() {
-    case $1 in
-    linux|freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
-        ;;
-    *)
-        echo "Unknown OS '$1'"
-        exit 1
-        ;;
-    esac
-}
-
-BuildPlatform="$BuildArch-$BuildVendor-$BuildOS"
-BuildPlatform_CPP=`echo "$BuildPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
-BuildArch_CPP=`    echo "$BuildArch"     | sed -e 's/\./_/g' -e 's/-/_/g'`
-BuildVendor_CPP=`  echo "$BuildVendor"   | sed -e 's/\./_/g' -e 's/-/_/g'`
-BuildOS_CPP=`      echo "$BuildOS"       | sed -e 's/\./_/g' -e 's/-/_/g'`
-
-checkArch "$BuildArch"
-checkVendor "$BuildVendor"
-checkOS "$BuildOS"
-
-HostPlatform="$HostArch-$HostVendor-$HostOS"
-HostPlatform_CPP=`echo "$HostPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
-HostArch_CPP=`    echo "$HostArch"     | sed -e 's/\./_/g' -e 's/-/_/g'`
-HostVendor_CPP=`  echo "$HostVendor"   | sed -e 's/\./_/g' -e 's/-/_/g'`
-HostOS_CPP=`      echo "$HostOS"       | sed -e 's/\./_/g' -e 's/-/_/g'`
-
-checkArch "$HostArch"
-checkVendor "$HostVendor"
-checkOS "$HostOS"
-
-TargetPlatform="$TargetArch-$TargetVendor-$TargetOS"
-TargetPlatform_CPP=`echo "$TargetPlatform" | sed -e 's/\./_/g' -e 's/-/_/g'`
-TargetArch_CPP=`    echo "$TargetArch"     | sed -e 's/\./_/g' -e 's/-/_/g'`
-TargetVendor_CPP=`  echo "$TargetVendor"   | sed -e 's/\./_/g' -e 's/-/_/g'`
-TargetOS_CPP=`      echo "$TargetOS"       | sed -e 's/\./_/g' -e 's/-/_/g'`
-
-checkArch "$TargetArch"
-checkVendor "$TargetVendor"
-checkOS "$TargetOS"
-
 # Verify that the installed (bootstrap) GHC is capable of generating
 # code for the requested build platform.
 if test "$BootingFromHc" = "NO"
@@ -320,31 +220,20 @@ then
     fi
 fi
 
-echo "GHC build  : $BuildPlatform"
-echo "GHC host   : $HostPlatform"
-echo "GHC target : $TargetPlatform"
-
-AC_SUBST(BuildPlatform)
-AC_SUBST(HostPlatform)
-AC_SUBST(TargetPlatform)
-AC_SUBST(HostPlatform_CPP)
-AC_SUBST(BuildPlatform_CPP)
-AC_SUBST(TargetPlatform_CPP)
-
-AC_SUBST(HostArch_CPP)
-AC_SUBST(BuildArch_CPP)
-AC_SUBST(TargetArch_CPP)
-
-AC_SUBST(HostOS_CPP)
-AC_SUBST(BuildOS_CPP)
-AC_SUBST(TargetOS_CPP)
+# Testing if we shall enable shared libs support on Solaris.
+# Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken.
 
-AC_SUBST(HostVendor_CPP)
-AC_SUBST(BuildVendor_CPP)
-AC_SUBST(TargetVendor_CPP)
+SOLARIS_BROKEN_SHLD=NO
 
-AC_SUBST(exeext)
-AC_SUBST(soext)
+case $host in
+     i386-*-solaris2)
+     # here we go with the test
+     MINOR=`uname -r|cut -d '.' -f 2-`
+     if test "$MINOR" -lt "11"; then
+       SOLARIS_BROKEN_SHLD=YES
+     fi
+     ;;
+esac
 
 AC_SUBST(SOLARIS_BROKEN_SHLD)
 
@@ -425,60 +314,43 @@ then
     fi
 fi
 
-dnl ** Which gcc to use?
-dnl --------------------------------------------------------------
-FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
-export CC
-WhatGccIsCalled="$CC"
-AC_SUBST(WhatGccIsCalled)
-
-dnl ** Which ld to use?
-dnl --------------------------------------------------------------
-FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
-LdCmd="$LD"
-AC_SUBST([LdCmd])
-
-dnl ** Which nm to use?
-dnl --------------------------------------------------------------
-FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
-NmCmd="$NM"
-AC_SUBST([NmCmd])
+XCODE_VERSION()
 
 SplitObjsBroken=NO
 if test "$TargetOS_CPP" = "darwin"
 then
-    AC_MSG_CHECKING(XCode version)
-    XCodeVersion=`xcodebuild -version | grep Xcode | sed "s/Xcode //"`
-    # Old XCode versions don't actually give the XCode version
-    if test "$XCodeVersion" = ""
+    # Split objects is broken (#4013) with XCode < 3.2
+    if test "$XCodeVersion1" -lt 3
     then
-        AC_MSG_RESULT(not found (too old?))
         SplitObjsBroken=YES
     else
-        AC_MSG_RESULT($XCodeVersion)
-        XCodeVersion1=`echo "$XCodeVersion" | sed 's/\..*//'`
-changequote(, )dnl
-        XCodeVersion2=`echo "$XCodeVersion" | sed 's/[^.]*\.\([^.]*\).*/\1/'`
-changequote([, ])dnl
-        AC_MSG_NOTICE(XCode version component 1: $XCodeVersion1)
-        AC_MSG_NOTICE(XCode version component 2: $XCodeVersion2)
-        # Split objects is broken (#4013) with XCode < 3.2
-        if test "$XCodeVersion1" -lt 3
+        if test "$XCodeVersion1" -eq 3
         then
-            SplitObjsBroken=YES
-        else
-            if test "$XCodeVersion1" -eq 3
+            if test "$XCodeVersion2" -lt 2
             then
-                if test "$XCodeVersion2" -lt 2
-                then
-                    SplitObjsBroken=YES
-                fi
+                SplitObjsBroken=YES
             fi
         fi
     fi
 fi
 AC_SUBST([SplitObjsBroken])
 
+dnl ** Which gcc to use?
+dnl --------------------------------------------------------------
+FIND_GCC()
+
+dnl ** Which ld to use?
+dnl --------------------------------------------------------------
+FP_ARG_WITH_PATH_GNU_PROG([LD], [ld])
+LdCmd="$LD"
+AC_SUBST([LdCmd])
+
+dnl ** Which nm to use?
+dnl --------------------------------------------------------------
+FP_ARG_WITH_PATH_GNU_PROG([NM], [nm])
+NmCmd="$NM"
+AC_SUBST([NmCmd])
+
 dnl ** Mac OS X: explicit deployment target
 dnl --------------------------------------------------------------
 AC_ARG_WITH([macosx-deployment-target],
@@ -572,6 +444,13 @@ AC_SUBST(CONF_CPP_OPTS_STAGE0)
 AC_SUBST(CONF_CPP_OPTS_STAGE1)
 AC_SUBST(CONF_CPP_OPTS_STAGE2)
 
+dnl ** Set up the variables for the platform in the settings file.
+dnl May need to use gcc to find platform details.
+dnl --------------------------------------------------------------
+FPTOOLS_SET_HASKELL_PLATFORM_VARS
+
+FP_SETTINGS
+
 dnl ** figure out how to do context diffs
 FP_PROG_CONTEXT_DIFF
 
@@ -632,8 +511,6 @@ FP_CHECK_DOCBOOK_DTD
 FP_DOCBOOK_XSL
 FP_PROG_DBLATEX
 
-FP_PROG_HSTAGS
-
 dnl ** check for ghc-pkg command
 FP_PROG_GHC_PKG
 
@@ -786,7 +663,7 @@ fi
 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
 dnl    the order of these tests matters: bfd needs liberty
 AC_CHECK_LIB(iberty, xmalloc)
-AC_CHECK_LIB(bfd,    bfd_init)
+AC_CHECK_LIB(bfd,    bfd_uncompress_section_contents)
 
 dnl ################################################################
 dnl Check for libraries
@@ -825,37 +702,7 @@ dnl ** check for ld, whether it has an -x option, and if it is GNU ld
 FP_PROG_LD_X
 FP_PROG_LD_IS_GNU
 FP_PROG_LD_BUILD_ID
-
-dnl ** check for Apple-style dead-stripping support
-dnl    (.subsections-via-symbols assembler directive)
-
-
-AC_MSG_CHECKING(for .subsections_via_symbols)
-AC_COMPILE_IFELSE(
-    [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
-    [AC_MSG_RESULT(yes)
-     AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
-               [Define to 1 if Apple-style dead-stripping is supported.])
-    ],
-    [AC_MSG_RESULT(no)])
-
-dnl *** check for GNU non-executable stack note support (ELF only)
-dnl     (.section .note.GNU-stack,"",@progbits)
-
-dnl This test doesn't work with "gcc -g" in gcc 4.4 (GHC trac #3889:
-dnl     Error: can't resolve `.note.GNU-stack' {.note.GNU-stack section} - `.Ltext0' {.text section}
-dnl so we empty CFLAGS while running this test
-CFLAGS2="$CFLAGS"
-CFLAGS=
-AC_MSG_CHECKING(for GNU non-executable stack support)
-AC_COMPILE_IFELSE(
-    [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
-    [AC_MSG_RESULT(yes)
-     AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
-               [Define to 1 if GNU non-executable stack notes are supported.])
-    ],
-    [AC_MSG_RESULT(no)])
-CFLAGS="$CFLAGS2"
+FP_PROG_LD_NO_COMPACT_UNWIND
 
 FP_VISIBILITY_HIDDEN
 
@@ -930,7 +777,7 @@ AC_SUBST(BUILD_DOCBOOK_PS)
 AC_SUBST(BUILD_DOCBOOK_PDF)
 
 LIBRARY_VERSION(base)
-LIBRARY_VERSION(Cabal)
+LIBRARY_VERSION(Cabal, Cabal/Cabal)
 LIBRARY_VERSION(ghc-prim)
 LIBRARY_ghc_VERSION="$ProjectVersion"
 AC_SUBST(LIBRARY_ghc_VERSION)