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bpo-40280: Add wasm cross build targets (GH-29771) #29771

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Merged
tiran merged 3 commits into from
Nov 25, 2021
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bpo-40280: Add wasm cross build targets (GH-29771) #29771

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a04c64c
bpo-40280: Add wasm cross build targets
tiran Nov 25, 2021
05cb9f2
Upper case WASI
tiran Nov 25, 2021
d4fba93
Include wasm32-unknown-wasi triple
tiran Nov 25, 2021
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bpo-40280: Add wasm cross build targets 
CPython uses the same target triplet convention as Rust:

```
$ rustc --print target-list | grep wasm
wasm32-unknown-emscripten
wasm32-unknown-unknown
wasm32-wasi
wasm64-unknown-unknown
```

Signed-off-by: Christian Heimes <christian@python.org>
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@tiran
tiran committed Nov 25, 2021
commit a04c64c7889adc842731a50341cb9674fff0eff4
3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/Build/2021-11-25-10-55-03.bpo-40280.E9-gsQ.rst
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@@ -0,0 +1,3 @@
``configure`` now accepts machine ``wasm32`` or ``wasm64`` and OS ``wasi``
or ``emscripten`` for cross building, e.g. ``wasm32-unknown-emscripten``
and ``wasm32-wasi``.
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16 changes: 12 additions & 4 deletions configure
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Expand Up @@ -3717,6 +3717,12 @@ then
*-*-vxworks*)
ac_sys_system=VxWorks
;;
*-*-emscripten)
ac_sys_system=Emscripten
;;
*-*-wasi)
ac_sys_system=wasi
;;
*)
# for now, limit cross builds to known configurations
MACHDEP="unknown"
Expand Down Expand Up @@ -3767,6 +3773,9 @@ if test "$cross_compiling" = yes; then
*-*-vxworks*)
_host_cpu=$host_cpu
;;
wasm32-*-* | wasm64-*-*)
_host_cpu=$host_cpu
;;
*)
# for now, limit cross builds to known configurations
MACHDEP="unknown"
Expand Down Expand Up @@ -10382,6 +10391,9 @@ fi
# Dynamic linking for HP-UX





have_uuid=missing

for ac_header in uuid.h
Expand Down Expand Up @@ -10414,10 +10426,6 @@ fi
done






if test "x$have_uuid" = xmissing; then :


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10 changes: 10 additions & 0 deletions configure.ac
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Expand Up @@ -465,6 +465,13 @@ then
*-*-vxworks*)
ac_sys_system=VxWorks
;;
*-*-emscripten)
ac_sys_system=Emscripten
;;
*-*-wasi)
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dnl wasm32-wasi, wasm32-unknown-wasi
ac_sys_system=wasi
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;;
*)
# for now, limit cross builds to known configurations
MACHDEP="unknown"
Expand Down Expand Up @@ -514,6 +521,9 @@ if test "$cross_compiling" = yes; then
*-*-vxworks*)
_host_cpu=$host_cpu
;;
wasm32-*-* | wasm64-*-*)
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_host_cpu=$host_cpu
;;
*)
# for now, limit cross builds to known configurations
MACHDEP="unknown"
Expand Down