mirror of
https://github.com/phpv8/v8js.git
synced 2024-11-08 17:48:41 +00:00
89 lines
2.9 KiB
Markdown
89 lines
2.9 KiB
Markdown
V8Js on MacOS
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=============
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Installation of V8Js on MacOS is pretty much straight forward.
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If you have [brew](https://brew.sh) around, just `brew install
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php56-v8js` (or `php54-v8js` / `php55-v8js` depending on your PHP
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version) and you should be done. This will install a recent version
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of V8 along with this extension.
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Otherwise you need to compile latest v8 manually.
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Compile latest v8
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-----------------
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```
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cd /tmp
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# Install depot_tools first (needed for source checkout)
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git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git
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export PATH=`pwd`/depot_tools:"$PATH"
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# Download v8
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fetch v8
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cd v8
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# (optional) If you'd like to build a certain version:
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git checkout 3.32.6
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gclient sync
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# Compile V8 (using up to 8 CPU cores, requires a lot of RAM, adapt as needed)
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make native library=shared -j8
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# Install to /usr
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mkdir -p /usr/local/lib /usr/local/include
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cp out/native/lib*.dylib /usr/local/lib/
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cp out/native/libv8_*.a /usr/local/lib/
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cp -R include/* /usr/local/include
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```
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You cannot install the libraries to any location you want since they
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have a install name that is baked into the library. You can check
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the install name with `otool -D out/native/libv8.dylib`.
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During the build snapshot generation may fail like so:
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```
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ACTION tools_gyp_v8_gyp_v8_snapshot_target_run_mksnapshot /Users/vagrant/v8/out/native/obj.target/v8_snapshot/geni/snapshot.cc
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dyld: Library not loaded: /usr/local/lib/libicui18n.dylib
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Referenced from: /Users/vagrant/v8/out/native/mksnapshot
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Reason: image not found
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/bin/sh: line 1: 18964 Trace/BPT trap: 5 "/Users/vagrant/v8/out/native/mksnapshot" --log-snapshot-positions --logfile "/Users/vagrant/v8/out/native/obj.target/v8_snapshot/geni/snapshot.log" --random-seed 314159265 "/Users/vagrant/v8/out/native/obj.target/v8_snapshot/geni/snapshot.cc"
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make[1]: *** [/Users/vagrant/v8/out/native/obj.target/v8_snapshot/geni/snapshot.cc] Error 133
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make: *** [native] Error 2
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```
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... if that happens, just copy libicu*.dylib to /usr/local/lib already
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and start make again (then simply continue with installation):
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```
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cp out/native/libicu*.dylib /usr/local/lib/
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make native library=shared -j8
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```
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Compile php-v8js itself
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-----------------------
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If you're using Apple LLVM compiler (instead of gcc) you need to pass the `-Wno-c++11-narrowing`
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flag. Otherwise compilation fails due to narrowing errors in PHP itself, which LLVM is much pickier
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with (compared to gcc).
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```
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cd /tmp
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git clone https://github.com/phpv8/v8js.git
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cd v8js
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phpize
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./configure CXXFLAGS="-Wno-c++11-narrowing"
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make
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make test
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make install
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```
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V8Js' build system assumes that the `icudtl.dat` file is located next to the `libv8.dylib`
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library file and compiles the path into the library itself. If for whatever reason the
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`icudtl.dat` file is stored at a different place during runtime, you need to set the
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php.ini variable `v8js.icudtl_dat_path` to point to the file. Otherwise locale-aware
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features of V8 will not work as expected.
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