Fix warnings in deSugar/DsListComp.lhs
[ghc.git] / configure.ac
index 74c190b..c80c32c 100644 (file)
@@ -207,84 +207,6 @@ AC_CANONICAL_TARGET
 
 FPTOOLS_SET_PLATFORM_VARS
 
-# 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
-
-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
-}
-
-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"
@@ -298,31 +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)
 
@@ -403,35 +314,21 @@ then
     fi
 fi
 
+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
@@ -440,18 +337,7 @@ AC_SUBST([SplitObjsBroken])
 
 dnl ** Which gcc to use?
 dnl --------------------------------------------------------------
-if test "$TargetOS_CPP" = "darwin" &&
-   test "$XCodeVersion1" -ge 4
-then
-  # From Xcode 4, use 'gcc-4.2' to force the use of the gcc legacy backend (instead of the LLVM
-  # backend)
-  FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc-4.2])
-else
-  FP_ARG_WITH_PATH_GNU_PROG([CC], [gcc])
-fi
-export CC
-WhatGccIsCalled="$CC"
-AC_SUBST(WhatGccIsCalled)
+FIND_GCC()
 
 dnl ** Which ld to use?
 dnl --------------------------------------------------------------
@@ -558,6 +444,11 @@ 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
@@ -811,37 +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
 
@@ -916,7 +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)