146 lines
4.8 KiB
Diff
146 lines
4.8 KiB
Diff
From 999d918bc8fefec1752243743a47c0ce5380bcec Mon Sep 17 00:00:00 2001
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From: Ivan Trubach <mr.trubach@icloud.com>
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Date: Wed, 17 Jul 2024 10:16:02 +0300
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Subject: [PATCH] build: support setting an emulator from configure script
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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V8’s JIT infrastructure requires binaries such as mksnapshot to be run
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during the build. However, these binaries must have the same bit-width
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as the host platform (e.g. a x86_64 build platform targeting ARMv6 needs
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to produce a 32-bit binary).
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To work around this issue, allow building the binaries for the host
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platform and running them on the build platform with an emulator.
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Based on Buildroot’s nodejs-src 0001-add-qemu-wrapper-support.patch.
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https://gitlab.com/buildroot.org/buildroot/-/blob/c1d5eada4d4db9eeaa1c44dd1dea95a67c8a70ca/package/nodejs/nodejs-src/0001-add-qemu-wrapper-support.patch
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Upstream: https://github.com/nodejs/node/pull/53899
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---
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common.gypi | 1 +
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configure.py | 14 ++++++++++++++
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node.gyp | 4 ++++
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tools/v8_gypfiles/v8.gyp | 4 ++++
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4 files changed, 23 insertions(+)
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diff --git a/common.gypi b/common.gypi
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index 154bbf2a0d..54d2afe3b3 100644
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--- a/common.gypi
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+++ b/common.gypi
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@@ -13,6 +13,7 @@
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'enable_pgo_generate%': '0',
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'enable_pgo_use%': '0',
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'python%': 'python',
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+ 'emulator%': [],
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'node_shared%': 'false',
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'force_dynamic_crt%': 0,
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diff --git a/configure.py b/configure.py
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index f7e3310723..f7c7acdf4f 100755
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--- a/configure.py
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+++ b/configure.py
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@@ -112,6 +112,12 @@ parser.add_argument('--dest-cpu',
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choices=valid_arch,
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help=f"CPU architecture to build for ({', '.join(valid_arch)})")
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+parser.add_argument('--emulator',
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+ action='store',
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+ dest='emulator',
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+ default=None,
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+ help='emulator command that can run executables built for the target system')
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+
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parser.add_argument('--cross-compiling',
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action='store_true',
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dest='cross_compiling',
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@@ -2276,6 +2282,14 @@ if flavor == 'win' and python.lower().endswith('.exe'):
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# will fail to run python scripts.
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gyp_args += ['-Dpython=' + python]
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+if options.emulator is not None:
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+ if not options.cross_compiling:
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+ # Note that emulator is a list so we have to quote the variable.
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+ gyp_args += ['-Demulator=' + shlex.quote(options.emulator)]
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+ else:
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+ # TODO: perhaps use emulator for tests?
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+ warn('The `--emulator` option has no effect when cross-compiling.')
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+
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if options.use_ninja:
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gyp_args += ['-f', 'ninja-' + flavor]
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elif flavor == 'win' and sys.platform != 'msys':
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diff --git a/node.gyp b/node.gyp
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index 9617596760..439c76aca6 100644
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--- a/node.gyp
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+++ b/node.gyp
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@@ -703,6 +703,7 @@
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'<(SHARED_INTERMEDIATE_DIR)/node_snapshot.cc',
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],
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'action': [
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+ '<@(emulator)',
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'<(node_mksnapshot_exec)',
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'--build-snapshot',
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'<(node_snapshot_main)',
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@@ -722,6 +723,7 @@
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'<(SHARED_INTERMEDIATE_DIR)/node_snapshot.cc',
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],
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'action': [
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+ '<@(emulator)',
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'<@(_inputs)',
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'<@(_outputs)',
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],
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@@ -1010,6 +1012,7 @@
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'<(SHARED_INTERMEDIATE_DIR)/node_javascript.cc',
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],
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'action': [
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+ '<@(emulator)',
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'<(node_js2c_exec)',
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'<@(_outputs)',
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'lib',
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@@ -1477,6 +1480,7 @@
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'<(PRODUCT_DIR)/<(node_core_target_name).def',
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],
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'action': [
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+ '<@(emulator)',
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'<(PRODUCT_DIR)/gen_node_def.exe',
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'<@(_inputs)',
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'<@(_outputs)',
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diff --git a/tools/v8_gypfiles/v8.gyp b/tools/v8_gypfiles/v8.gyp
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index d65a5c268e..5cd6c36b86 100644
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--- a/tools/v8_gypfiles/v8.gyp
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+++ b/tools/v8_gypfiles/v8.gyp
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@@ -112,6 +112,7 @@
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'<@(torque_outputs_inc)',
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],
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'action': [
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+ '<@(emulator)',
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'<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)torque<(EXECUTABLE_SUFFIX)',
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'-o', '<(SHARED_INTERMEDIATE_DIR)/torque-generated',
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'-v8-root', '<(V8_ROOT)',
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@@ -232,6 +233,7 @@
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'action': [
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'<(python)',
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'<(V8_ROOT)/tools/run.py',
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+ '<@(emulator)',
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'<@(_inputs)',
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'<@(_outputs)',
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],
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@@ -453,6 +455,7 @@
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}],
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],
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'action': [
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+ '<@(emulator)',
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'>@(_inputs)',
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'>@(mksnapshot_flags)',
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],
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@@ -1842,6 +1845,7 @@
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'action': [
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'<(python)',
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'<(V8_ROOT)/tools/run.py',
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+ '<@(emulator)',
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'<@(_inputs)',
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'<@(_outputs)',
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],
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--
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2.44.1
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