X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2Fmakellvm;h=ae77712941a27b4274c9bc0018ecd97c544d56dc;hb=2a88555e0d92a22b50966b223bab19d8518a8f27;hp=9c8eab486d6f7a033bd9ff50c42e03292ff80d7a;hpb=39c36e868d2dd0071f209a71374d08c3b440af09;p=oota-llvm.git

diff --git a/utils/makellvm b/utils/makellvm
index 9c8eab486d6..ae77712941a 100755
--- a/utils/makellvm
+++ b/utils/makellvm
@@ -2,13 +2,16 @@
 
 set pstatus = 0
 onintr cleanup
-alias usage 'echo "USAGE: $0:t [-h] [-n] [gmake-flag...] [toolname]"; set pstatus = 1; goto cleanup'
+alias usage 'echo "USAGE: $0:t [-h] [-n] [-obj obj-root] [gmake-flags] [VAR=...] [toolname (default: opt)]"; set pstatus = 1; goto cleanup'
 
-	## LLVMDIR is simply the directory where this script resides!
-set thisExec = $0		## cannot use :h on $0 for some reason
-set LLVMDIR = `echo {$thisExec:h} | sed 's/\/utils$//'`
 set EXEC = opt
 set GMAKE_OPTS = ""
+set DEBUG = 0
+
+## Search path for automatically finding the obj-root to use.
+## Note: The src root directory ${LLVMDIR} will be prepended to this path later.
+## 
+set OBJROOTDIRLIST = ( )
 
 set doit = 1
 unset options_done
@@ -16,23 +19,119 @@ while ( !( $?options_done ) && ($#argv > 0))
     switch ($argv[1])
 	case -h :
 	    usage
+	case -f :
+	    if ($#argv < 2) usage
+	    shift argv; set MFILE = $argv[1]; shift argv; breaksw
 	case -n :
 	    set doit = 0; shift argv; breaksw
+	case -obj :
+	    set OBJROOT = $argv[2]; shift argv; shift argv
+	    if (! -d "$OBJROOT") then
+		echo "FATAL: Illegal obj-root directory ${OBJROOT}"
+		exit 1
+	    endif
+	    breaksw
+	case -d :
+	    set doit = 0; set DEBUG = 1; shift argv; breaksw
 	case -* :
 	    set GMAKE_OPTS = ( $GMAKE_OPTS $argv[1] ); shift argv; breaksw
 	default :
-	    set options_done; breaksw
+	    set optarg = `echo -n $argv[1] | sed 's/^[^=]*$//'`
+	    if ($#optarg) then
+	        set GMAKE_OPTS = ( $GMAKE_OPTS $optarg )
+	        shift argv
+	    else
+	        set options_done
+	    endif
+            breaksw
     endsw
 end
 
+if ($#argv > 1) then
+    echo 'ERROR: More than one tool is not supported by "makellvm"'
+    usage
+endif
 if ($#argv > 0) then
     set EXEC = $argv[1]
 endif
+if ($DEBUG) then
+    echo "DEBUG: EXEC = $EXEC"
+endif
+
+## Compute LLVMDIR: the root of the current LLVM tree.
+## It is recorded in the variable LEVEL in Makefile, to compute it
+## 
+if (! $?MFILE) then
+    if (-f GNUmakefile) then
+	set MFILE = GNUmakefile
+    else if (-f makefile) then
+	set MFILE = makefile
+    else
+	set MFILE = Makefile
+    endif
+endif
+if ($DEBUG) then
+    echo "DEBUG: MFILE = $MFILE"
+endif
+if (! -f $MFILE) then
+    echo "Missing or invalid makefile: $MFILE"
+    exit 1
+endif
+
+set LLVMDIR = `awk '/LEVEL[ 	]*=/ {print $NF}' $MFILE`
+if ($DEBUG) then
+    echo "DEBUG: LLVMDIR = $LLVMDIR"
+endif
+
+if ($#LLVMDIR == 0 || ! -d "$LLVMDIR") then
+    echo "Unable to find LLVM src-root directory or directory is invalid."
+    echo "Are you within a valid LLVM directory for running gmake?"
+    exit 1
+endif
+
+## Try to determine the obj-root directory automatically if not specified
+## 
+set OBJROOTDIRLIST = ( ${LLVMDIR} $OBJROOTDIRLIST )	## add src dir
+if ($?OBJROOT == 0) then
+    ## Try to determine object root directory by looking for Makefile.config
+    foreach objdir ( $OBJROOTDIRLIST )
+	if (-f "${objdir}/Makefile.config") then
+	    set OBJROOT = ${objdir}
+            break
+        endif
+    end
+    if ($?OBJROOT == 0) then
+	echo "FATAL: Could not choose an obj-root directory from these choices:"
+	echo "       ${OBJROOTDIRLIST}."
+	echo "       You can specify it explicitly using '-obj obj-root'."
+	exit 1
+    endif
+    echo "Using OBJ-ROOT = ${OBJROOT} (specify '-obj obj-root' to override)."
+endif
+if (${OBJROOT} == ${LLVMDIR}) then
+    # run make in the source directory itself
+    set BUILDROOT = .
+else
+    # run make in the in the obj-root tree, in the directory for $cwd
+    set SRCROOT = `sh -c "cd $LLVMDIR; pwd | sed 's/\//\\\//g'"` 
+    set CURSRCDIR = `echo $cwd | sed -e "s/${SRCROOT}//"`
+    set BUILDROOT = ${OBJROOT}/${CURSRCDIR}
+    unset SRCROOT CURSRCDIR
+endif
+if ($DEBUG) then
+    echo "DEBUG: BUILDROOT = $BUILDROOT"
+endif
+if (! -d $BUILDROOT) then
+    echo "FATAL: Invalid build directory: ${BUILDROOT}"
+    exit 1
+endif
+cd $BUILDROOT 
 
-set CMD = "gmake $GMAKE_OPTS && (cd $LLVMDIR/tools/$EXEC && gmake $GMAKE_OPTS)"
+set CMD = "make $GMAKE_OPTS && (cd $LLVMDIR/tools/$EXEC && make $GMAKE_OPTS)"
 
 if ($doit == 1) then
     csh -f -c "$CMD"
+    set pstatus = $?
 else
     echo '(NOT EXECUTING) COMMAND:'
     echo "  $CMD"