Merge pull request #165 from rth7680/pcc
[libffi.git] / 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