Daniel Bevenius b4f0a18b5a tools: allow single JS file for --link-module ... The description for the --link-module configuration option is as follows: $ ./configure --help | grep -A 5 'link-module' --link-module=LINKED_MODULE Path to a JS file to be bundled in the binary as a builtin. This module will be referenced by path without extension; e.g. /root/x/y.js will be referenced via require('root/x/y'). Can be used multiple times This lead me to think that it was possible to specify a file like this: $ ./configure --link-module=something.js $ NODE_DEBUG=mkcodecache make -j8 This will lead to a compilation error as an entry in the source_ map in node_javascript.cc will end up having an empty string as its key: source_.emplace("", UnionBytes{_raw, 105}); This will then be used by CodeCacheBuilder when it iterates over the module ids, which will lead to the following compilation errors: /node/out/Release/obj/gen/node_code_cache.cc:12:23: warning: ISO C++17 does not allow a decomposition group to be empty [-Wempty-decomposition] static const uint8_t [] = { ^ /node/out/Release/obj/gen/node_code_cache.cc:12:22: warning: decomposition declarations are a C++17 extension [-Wc++17-extensions] static const uint8_t [] = { ^~ /node/out/Release/obj/gen/node_code_cache.cc:12:1: error: decomposition declaration cannot be declared 'static' static const uint8_t [] = { ^~~~~~ /node/out/Release/obj/gen/node_code_cache.cc:12:22: error: decomposition declaration cannot be declared with type 'const uint8_t' (aka 'const unsigned char'); declared type must be 'auto' or reference to 'auto' static const uint8_t [] = { ^ /node/out/Release/obj/gen/node_code_cache.cc:12:22: error: excess elements in scalar initializer static const uint8_t [] = { ^ /node/out/Release/obj/gen/node_code_cache.cc:660:7: error: expected expression , ^ /node/out/Release/obj/gen/node_code_cache.cc:661:24: error: no matching function for call to 'arraysize' static_cast<int>(arraysize()), policy ^~~~~~~~~ ../src/util.h:667:18: note: candidate function template not viable: requires 1 argument, but 0 were provided constexpr size_t arraysize(const T (&)[N]) { ^ 2 warnings and 5 errors generated. This commit suggests that passing a single file be allowed by modifying tools/js2c.py. PR-URL: https://github.com/nodejs/node/pull/28443 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>		2019-08-12 12:56:43 +02:00
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test-js2c.py