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
45args_orig=$@
46args="-nologo -W3"
47static_crt=
48debug_crt=
49cl="cl"
50ml="ml"
51safeseh="-safeseh"
52output=
53
54while [ $# -gt 0 ]
55do
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 $1"
208      shift 1
209    ;;
210  esac
211done
212
213# If -Zi is specified, certain optimizations are implicitly disabled
214# by MSVC. Add back those optimizations if this is an optimized build.
215# NOTE: These arguments must come after all others.
216if [ -n "$opt" ]; then
217    args="$args -link -OPT:REF -OPT:ICF -INCREMENTAL:NO"
218fi
219
220if [ -n "$static_crt" ]; then
221    md=-MT
222else
223    md=-MD
224fi
225
226if [ -n "$debug_crt" ]; then
227    md="${md}d"
228fi
229
230if [ -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 $outdir
246else
247    args="$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\" $args 2>&1 1>&3 | \
252          awk '{print \$0} /D9002/ {error=1} END{exit error}' >&2) 3>&1"
253    result=$?
254fi
255
256exit $result
257
258