libffi/msvcc.sh

   1 #!/bin/sh
   2
   3 # ***** BEGIN LICENSE BLOCK *****
   4 # Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5 #
   6 # The contents of this file are subject to the Mozilla Public License Version
   7 # 1.1 (the "License"); you may not use this file except in compliance with
   8 # the License. You may obtain a copy of the License at
   9 # http://www.mozilla.org/MPL/
  10 #
  11 # Software distributed under the License is distributed on an "AS IS" basis,
  12 # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  13 # for the specific language governing rights and limitations under the
  14 # License.
  15 #
  16 # The Original Code is the MSVC wrappificator.
  17 #
  18 # The Initial Developer of the Original Code is
  19 # Timothy Wall <twalljava@dev.java.net>.
  20 # Portions created by the Initial Developer are Copyright (C) 2009
  21 # the Initial Developer. All Rights Reserved.
  22 #
  23 # Contributor(s):
  24 #   Daniel Witte <dwitte@mozilla.com>
  25 #
  26 # Alternatively, the contents of this file may be used under the terms of
  27 # either the GNU General Public License Version 2 or later (the "GPL"), or
  28 # the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  29 # in which case the provisions of the GPL or the LGPL are applicable instead
  30 # of those above. If you wish to allow use of your version of this file only
  31 # under the terms of either the GPL or the LGPL, and not to allow others to
  32 # use your version of this file under the terms of the MPL, indicate your
  33 # decision by deleting the provisions above and replace them with the notice
  34 # and other provisions required by the GPL or the LGPL. If you do not delete
  35 # the provisions above, a recipient may use your version of this file under
  36 # the terms of any one of the MPL, the GPL or the LGPL.
  37 #
  38 # ***** END LICENSE BLOCK *****
  39
  40 #
  41 # GCC-compatible wrapper for cl.exe and ml.exe. Arguments are given in GCC
  42 # format and translated into something sensible for cl or ml.
  43 #
  44
  45 args_orig=$@
  46 args="-nologo -W3"
  47 static_crt=
  48 debug_crt=
  49 cl="cl"
  50 ml="ml"
  51 safeseh="-safeseh"
  52 output=
  53
  54 while [ $# -gt 0 ]
  55 do
  56   case $1
  57   in
  58     -fexceptions)
  59       # Don't enable exceptions for now.
  60       #args="$args -EHac"
  61       shift 1
  62     ;;
  63     -m32)
  64       shift 1
  65     ;;
  66     -m64)
  67       ml="ml64" # "$MSVC/x86_amd64/ml64"
  68       safeseh=
  69       shift 1
  70     ;;
  71     -clang-cl)
  72       cl="clang-cl"
  73       safeseh=
  74       shift 1
  75     ;;
  76     -O0)
  77       args="$args -Od"
  78       shift 1
  79     ;;
  80     -O*)
  81       # Runtime error checks (enabled by setting -RTC1 in the -DFFI_DEBUG
  82       # case below) are not compatible with optimization flags and will
  83       # cause the build to fail. Therefore, drop the optimization flag if
  84       # -DFFI_DEBUG is also set.
  85       case $args_orig in
  86         *-DFFI_DEBUG*)
  87           args="$args"
  88         ;;
  89         *)
  90           # The ax_cc_maxopt.m4 macro from the upstream autoconf-archive
  91           # project doesn't support MSVC and therefore ends up trying to
  92           # use -O3. Use the equivalent "max optimization" flag for MSVC
  93           # instead of erroring out.
  94           case $1 in
  95             -O3)
  96               args="$args -O2"
  97             ;;
  98             *)
  99               args="$args $1"
 100             ;;
 101           esac
 102           opt="true"
 103         ;;
 104       esac
 105       shift 1
 106     ;;
 107     -g)
 108       # Enable debug symbol generation.
 109       args="$args -Zi"
 110       shift 1
 111     ;;
 112     -DFFI_DEBUG)
 113       # Enable runtime error checks.
 114       args="$args -RTC1"
 115       defines="$defines $1"
 116       shift 1
 117     ;;
 118     -DUSE_STATIC_RTL)
 119       # Link against static CRT.
 120       static_crt=1
 121       shift 1
 122     ;;
 123     -DUSE_DEBUG_RTL)
 124       # Link against debug CRT.
 125       debug_crt=1
 126       shift 1
 127     ;;
 128     -c)
 129       args="$args -c"
 130       args="$(echo $args | sed 's%/Fe%/Fo%g')"
 131       single="-c"
 132       shift 1
 133     ;;
 134     -D*=*)
 135       name="$(echo $1|sed 's/-D\([^=][^=]*\)=.*/\1/g')"
 136       value="$(echo $1|sed 's/-D[^=][^=]*=//g')"
 137       args="$args -D${name}='$value'"
 138       defines="$defines -D${name}='$value'"
 139       shift 1
 140     ;;
 141     -D*)
 142       args="$args $1"
 143       defines="$defines $1"
 144       shift 1
 145     ;;
 146     -I)
 147       args="$args -I$2"
 148       includes="$includes -I$2"
 149       shift 2
 150     ;;
 151     -I*)
 152       args="$args $1"
 153       includes="$includes $1"
 154       shift 1
 155     ;;
 156     -W|-Wextra)
 157       # TODO map extra warnings
 158       shift 1
 159     ;;
 160     -Wall)
 161       # -Wall on MSVC is overzealous, and we already build with -W3. Nothing
 162       # to do here.
 163       shift 1
 164     ;;
 165     -pedantic)
 166       # libffi tests -pedantic with -Wall, so drop it also.
 167       shift 1
 168     ;;
 169     -Werror)
 170       args="$args -WX"
 171       shift 1
 172     ;;
 173     -W*)
 174       # TODO map specific warnings
 175       shift 1
 176     ;;
 177     -S)
 178       args="$args -FAs"
 179       shift 1
 180     ;;
 181     -o)
 182       outdir="$(dirname $2)"
 183       base="$(basename $2|sed 's/\.[^.]*//g')"
 184       if [ -n "$single" ]; then
 185         output="-Fo$2"
 186       else
 187         output="-Fe$2"
 188       fi
 189       if [ -n "$assembly" ]; then
 190         args="$args $output"
 191       else
 192         args="$args $output -Fd$outdir/$base -Fp$outdir/$base -Fa$outdir/$base"
 193       fi
 194       shift 2
 195     ;;
 196     *.S)
 197       src=$1
 198       assembly="true"
 199       shift 1
 200     ;;
 201     *.c)
 202       args="$args $1"
 203       shift 1
 204     ;;
 205     *)
 206       # Assume it's an MSVC argument, and pass it through.
 207       args="$args $1"
 208       shift 1
 209     ;;
 210   esac
 211 done
 212
 213 # If -Zi is specified, certain optimizations are implicitly disabled
 214 # by MSVC. Add back those optimizations if this is an optimized build.
 215 # NOTE: These arguments must come after all others.
 216 if [ -n "$opt" ]; then
 217     args="$args -link -OPT:REF -OPT:ICF -INCREMENTAL:NO"
 218 fi
 219
 220 if [ -n "$static_crt" ]; then
 221     md=-MT
 222 else
 223     md=-MD
 224 fi
 225
 226 if [ -n "$debug_crt" ]; then
 227     md="${md}d"
 228 fi
 229
 230 if [ -n "$assembly" ]; then
 231     if [ -z "$outdir" ]; then
 232       outdir="."
 233     fi
 234     ppsrc="$outdir/$(basename $src|sed 's/.S$/.asm/g')"
 235     echo "$cl -nologo -EP $includes $defines $src > $ppsrc"
 236     "$cl" -nologo -EP $includes $defines $src > $ppsrc || exit $?
 237     output="$(echo $output | sed 's%/F[dpa][^ ]*%%g')"
 238     args="-nologo $safeseh $single $output $ppsrc"
 239
 240     echo "$ml $args"
 241     eval "\"$ml\" $args"
 242     result=$?
 243
 244     # required to fix ml64 broken output?
 245     #mv *.obj $outdir
 246 else
 247     args="$md $args"
 248     echo "$cl $args"
 249     # Return an error code of 1 if an invalid command line parameter is passed
 250     # instead of just ignoring it.
 251     eval "(\"$cl\" $args 2>&1 1>&3 | \
 252           awk '{print \$0} /D9002/ {error=1} END{exit error}' >&2) 3>&1"
 253     result=$?
 254 fi
 255
 256 exit $result
 257