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pmp-ppmp-p
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+260
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‎emsdk-cc‎

Lines changed: 10 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -17,6 +17,7 @@ PREFIX = Path(os.environ.get("PREFIX", "/opt/python-wasm-sdk/devices/emsdk/usr")
1717
sys.argv.pop(0)
1818

1919
EXEC = sys.argv.pop(0)
20+
EXEC = f"{EMSDK}/upstream/emscripten/emcc.py"
2021

2122
args = sys.argv
2223

@@ -91,13 +92,13 @@ if MVP:
9192

9293
CPU = arglist(
9394
"""
95+
-m32
9496
-D_FILE_OFFSET_BITS=64
9597
-sSUPPORT_LONGJMP=emscripten
9698
-mno-bulk-memory
9799
-mnontrapping-fptoint
98100
-mno-reference-types
99101
-mno-sign-ext
100-
-m32
101102
-mno-extended-const
102103
-mno-atomics
103104
-mno-tail-call
@@ -261,22 +262,22 @@ os.environ.pop("_EMCC_CCACHE", "")
261262

262263

263264
"""
264-
if [ "\$arg" = "-nomvp" ]
265+
if [ "$arg" = "-nomvp" ]
265266
then
266267
MVP=false
267268
continue
268269
fi
269270
270-
if \$MVP
271+
if $MVP
271272
then
272-
if \$WASM_PURE
273+
if $WASM_PURE
273274
then
274-
SOTMP=\$(mktemp).so
275-
mv \$SHARED_TARGET \$SOTMP
275+
SOTMP=$(mktemp).so
276+
mv $SHARED_TARGET $SOTMP
276277
# --memory64-lowering --signext-lowering
277-
$SDKROOT/emsdk/upstream/bin/wasm-emscripten-finalize -mvp \$SOTMP -o \$SHARED_TARGET
278-
[ -f \$SHARED_TARGET.map ] && rm \$SHARED_TARGET.map
279-
rm \$SOTMP
278+
$SDKROOT/emsdk/upstream/bin/wasm-emscripten-finalize -mvp $SOTMP -o $SHARED_TARGET
279+
[ -f $SHARED_TARGET.map ] && rm $SHARED_TARGET.map
280+
rm $SOTMP
280281
fi
281282
fi
282283
"""

‎scripts/emsdk-fetch.sh‎

Lines changed: 250 additions & 13 deletions
Original file line numberDiff line numberDiff line change
@@ -2,9 +2,8 @@
22

33
if [[ -z ${EMSDK+z} ]]
44
then
5-
pushd ${SDKROOT}
6-
. ${CONFIG:-config}
7-
popd
5+
6+
. ${CONFIG:-config}
87

98
if [ -d emsdk ]
109
then
@@ -23,6 +22,7 @@ then
2322
./emsdk install ${EMFLAVOUR:-latest}
2423
./emsdk activate ${EMFLAVOUR:-latest}
2524

25+
2626
pushd upstream/emscripten
2727
echo "FIXME: applying stdio* are not const"
2828
sed -i 's|extern FILE \*const|extern FILE \*|g' cache/sysroot/include/stdio.h
@@ -65,7 +65,12 @@ fi
6565
#wget https://patch-diff.githubusercontent.com/raw/emscripten-core/emscripten/pull/18941.diff
6666
#patch -p1 < 18941.diff
6767
fi
68+
popd
69+
70+
# wget https://raw.githubusercontent.com/paradust7/minetest-wasm/main/emsdk_emcc.patch
71+
# patch -p1 < emsdk_emcc.patch
6872

73+
pushd upstream/emscripten
6974
echo "FIXME: Applying https://github.com/emscripten-core/emscripten/pull/21472 glfw3: gl level version major/minor hints"
7075
wget https://patch-diff.githubusercontent.com/raw/emscripten-core/emscripten/pull/21472.diff
7176
patch -p1 < 21472.diff
@@ -92,10 +97,6 @@ fi
9297

9398

9499

95-
# wget https://raw.githubusercontent.com/paradust7/minetest-wasm/main/emsdk_emcc.patch
96-
# patch -p1 < emsdk_emcc.patch
97-
98-
99100
# https://github.com/paradust7/minetest-wasm/blob/main/emsdk_dirperms.patch
100101
patch -p1 <<END
101102
--- emsdk-orig/upstream/emscripten/system/lib/wasmfs/wasmfs.cpp 2022-07-29 17:22:28.000000000 +0000
@@ -172,7 +173,7 @@ END
172173

173174
export EMSDK_PYTHON=$SYS_PYTHON
174175

175-
if [ -f $EMSDK/.complete ]
176+
if [ -f emsdk/.complete ]
176177
then
177178
echo "
178179
* emsdk prereq ok
@@ -204,7 +205,6 @@ END
204205
embuilder --pic build $one
205206
done
206207

207-
export BUN_INSTALL=${SDKROOT}/bun
208208
curl -fsSL https://bun.sh/install | bash
209209

210210
npm install --prefix $ROOT/emsdk/node/??.??.* -g pnpm@^9.0.0
@@ -214,18 +214,255 @@ END
214214
cat > emsdk/upstream/emscripten/emcc <<END
215215
#!/bin/bash
216216
217-
if \${EMCC_TRACE:-false}
217+
EMCC_TRACE=\${EMCC_TRACE:-false}
218+
if \$EMCC_TRACE
218219
then
219-
echo "
220-
\$0 \$@" >> $SDKROOT/emcc.log
220+
echo "
221+
$@" >> $SDKROOT/emcc.log
222+
221223
fi
222224
223225
unset _EMCC_CCACHE
226+
227+
#if [ -z "\$_EMCC_CCACHE" ]
228+
#then
229+
224230
unset _PYTHON_SYSCONFIGDATA_NAME
225231
unset PYTHONHOME
226232
unset PYTHONPATH
227233
228-
$EMSDK_PYTHON -E $SDKROOT/emsdk-cc \$0.py "\$@"
234+
# -Wwarn-absolute-paths
235+
# --valid-abspath ${SDKROOT}
236+
237+
# COMMON="-Wno-unsupported-floating-point-opt"
238+
COMMON="-Wno-limited-postlink-optimizations -Wno-unused-command-line-argument -Wno-unreachable-code-fallthrough -Wno-unused-function"
239+
SHARED=""
240+
IS_SHARED=false
241+
PY_MODULE=false
242+
MVP=\${MVP:true}
243+
WASM_PURE=\${WASM_PURE:true}
244+
245+
246+
if \$MVP
247+
then
248+
249+
# turn of wasm ex (https://github.com/emscripten-core/emscripten/pull/20536)
250+
# -fno-wasm-exceptions -sEMSCRIPTEN_LONGJMP=0
251+
252+
253+
# -mcpu=generic would activate those https://reviews.llvm.org/D125728
254+
# https://github.com/emscripten-core/emscripten/pull/17689
255+
256+
# -fPIC not allowed with -mno-mutable-globals
257+
# -mno-sign-ext not allowed with pthread
258+
259+
#WASMOPTS="-fno-wasm-exceptions -sSUPPORT_LONGJMP=emscripten"
260+
#CPU="-mnontrapping-fptoint -mno-reference-types -mno-sign-ext -m32"
261+
262+
CPU="-D_FILE_OFFSET_BITS=64 -sSUPPORT_LONGJMP=emscripten -mnontrapping-fptoint -mno-reference-types -mno-sign-ext -m32"
263+
264+
else
265+
CPU="-D_FILE_OFFSET_BITS=64 -mcpu=bleeding-edge -m64"
266+
fi
267+
268+
# try to keep 32 but with 64 iface (bitint)
269+
WASMEXTRA="$WASM_EXTRA \$WASMOPTS"
270+
271+
272+
LINKING=\${LINKING:-false}
273+
274+
if echo "\$@ "|grep -q "\\.so "
275+
then
276+
LINKING=true
277+
fi
278+
279+
280+
declare -A seen=( )
281+
282+
for arg do
283+
shift
284+
285+
if [ "\$arg" = "-v" ]
286+
then
287+
$EMSDK_PYTHON -E \$0.py -v
288+
exit 0
289+
fi
290+
291+
if [ "\$arg" = "--version" ]
292+
then
293+
$EMSDK_PYTHON -E \$0.py --version
294+
exit 0
295+
fi
296+
297+
if \$LINKING
298+
then
299+
# prevent duplicates objects/archives files on cmdline when linking shared
300+
if echo \$arg|grep -q \\\\.o\$
301+
then
302+
[[ \${seen[\$arg]} ]] && continue
303+
fi
304+
if echo \$arg|grep -q \\\\.a\$
305+
then
306+
[[ \${seen[\$arg]} ]] && continue
307+
fi
308+
if echo \$arg|grep -q ^-l
309+
then
310+
[[ \${seen[\$arg]} ]] && continue
311+
fi
312+
seen[\$arg]=1
313+
fi
314+
315+
arg_is_bad=false
316+
317+
for badarg in "-Wl,--as-needed" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-Wl,-znow" "-Wl,-zrelro" "-Wl,-zrelro,-znow"
318+
do
319+
if [ "\$arg" = "\$badarg" ]
320+
then
321+
arg_is_bad=true
322+
break
323+
fi
324+
done
325+
326+
if \$arg_is_bad
327+
then
328+
continue
329+
fi
330+
331+
if [ "\$arg" = "-c" ]
332+
then
333+
CPU_EXTRA=\$WASM_EXTRA
334+
fi
335+
336+
if [ "\$arg" = "-o" ]
337+
then
338+
CPU_EXTRA=\$WASM_EXTRA
339+
fi
340+
341+
if [ "\$arg" = "-fallow-argument-mismatch" ]
342+
then
343+
continue
344+
fi
345+
346+
if [ "\$arg" = "-lutil" ]
347+
then
348+
continue
349+
fi
350+
351+
if [ "\$arg" = "-O3" ]
352+
then
353+
continue
354+
fi
355+
356+
if [ "\$arg" = "-g" ]
357+
then
358+
continue
359+
fi
360+
361+
if [ "\$arg" = "-lgcc" ]
362+
then
363+
continue
364+
fi
365+
366+
if [ "\$arg" = "-lgcc_s" ]
367+
then
368+
continue
369+
fi
370+
371+
if [ "\$arg" = "-nomvp" ]
372+
then
373+
MVP=false
374+
continue
375+
fi
376+
377+
if [ "\$arg" = "-pthread" ]
378+
then
379+
if echo \$CPU|grep -q mno-sign-ext
380+
then
381+
continue
382+
fi
383+
fi
384+
385+
386+
# that is for some very bad setup.py behaviour regarding cross compiling.
387+
# should not be needed ..
388+
[ "\$arg" = "-I/usr/include" ] && continue
389+
[ "\$arg" = "-I/usr/include/SDL2" ] && continue
390+
[ "\$arg" = "-L/usr/lib64" ] && continue
391+
[ "\$arg" = "-L/usr/lib" ] && continue
392+
[ "\$arg" = "-latomic" ] && continue
393+
394+
if [ "\$arg" = "-shared" ]
395+
then
396+
IS_SHARED=true
397+
SHARED="\$SHARED -sSIDE_MODULE"
398+
fi
399+
400+
if echo "\$arg"|grep -q wasm32-emscripten.so\$
401+
then
402+
PY_MODULE=true
403+
SHARED_TARGET=\$arg
404+
else
405+
if echo "\$arg"|grep -q abi3.so\$
406+
then
407+
PY_MODULE=true
408+
SHARED_TARGET=\$arg
409+
fi
410+
fi
411+
412+
if \$PY_MODULE
413+
then
414+
if \$IS_SHARED
415+
then
416+
true
417+
else
418+
IS_SHARED=true
419+
SHARED="\$SHARED -shared -sSIDE_MODULE"
420+
fi
421+
else
422+
if \$IS_SHARED
423+
then
424+
if echo "\$arg"|grep \\\\.so\$
425+
then
426+
PY_MODULE=true
427+
SHARED_TARGET=\$arg
428+
SHARED="-sSIDE_MODULE"
429+
fi
430+
fi
431+
fi
432+
433+
set -- "\$@" "\$arg"
434+
done
435+
436+
if \$IS_SHARED
437+
then
438+
# always pass CPU opts when linking
439+
$EMSDK_PYTHON -E \$0.py \$SHARED $COPTS \$CPU \$WASM_EXTRA \$LDFLAGS -sSIDE_MODULE -gsource-map --source-map-base / "\$@" \$COMMON
440+
if \$MVP
441+
then
442+
if \$WASM_PURE
443+
then
444+
SOTMP=\$(mktemp).so
445+
mv \$SHARED_TARGET \$SOTMP
446+
# --memory64-lowering --signext-lowering
447+
$SDKROOT/emsdk/upstream/bin/wasm-emscripten-finalize -mvp \$SOTMP -o \$SHARED_TARGET
448+
[ -f \$SHARED_TARGET.map ] && rm \$SHARED_TARGET.map
449+
rm \$SOTMP
450+
fi
451+
fi
452+
else
453+
# do not pass WASM opts when -c/-o but always PIC
454+
if echo $@|grep -q MAIN_MODULE
455+
then
456+
$EMSDK_PYTHON -E \$0.py $COPTS \$CPU \$CPU_EXTRA \$CPPFLAGS -DBUILD_STATIC "\$@" \$COMMON
457+
else
458+
$EMSDK_PYTHON -E \$0.py $COPTS \$CPU_EXTRA \$CPPFLAGS -DBUILD_STATIC "\$@" \$COMMON
459+
fi
460+
fi
461+
#else
462+
# unset _EMCC_CCACHE
463+
# exec ccache "\$0" "\$@"
464+
#fi
465+
229466
END
230467

231468
rm emsdk/upstream/emscripten/em++

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