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Simply v8::Isolate::New to test if snapshot blob needed
The test on internal symbols seems too fragile, e.g. with V8 version 4.5.90 it is false positive.
This commit is contained in:
Stefan Siegl
parent
2c8ef2aa66
commit
52ebdc28ed
146
config.m4
146
config.m4
@ -130,59 +130,6 @@ int main ()
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AC_MSG_ERROR([could not determine libv8 version])
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fi
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AC_MSG_CHECKING([for v8::internal::ReadNatives])
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AC_TRY_LINK([
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namespace v8 {
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namespace internal {
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void ReadNatives();
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}
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}], [v8::internal::ReadNatives();], [
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AC_MSG_RESULT([found (using snapshots)])
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AC_DEFINE([PHP_V8_USE_EXTERNAL_STARTUP_DATA], [1], [Whether V8 requires (and can be provided with custom versions of) external startup data])
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SEARCH_PATH="$V8_DIR/lib"
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AC_MSG_CHECKING([for natives_blob.bin])
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SEARCH_FOR="natives_blob.bin"
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for i in $SEARCH_PATH ; do
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if test -r $i/$SEARCH_FOR; then
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AC_MSG_RESULT([found ($i/$SEARCH_FOR)])
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AC_DEFINE_UNQUOTED([PHP_V8_NATIVES_BLOB_PATH], "$i/$SEARCH_FOR", [Full path to natives_blob.bin file])
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native_blob_found=1
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fi
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done
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if test -z "$native_blob_found"; then
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AC_MSG_RESULT([not found])
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AC_MSG_ERROR([Please provide V8 native blob as needed])
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fi
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AC_MSG_CHECKING([for snapshot_blob.bin])
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SEARCH_FOR="snapshot_blob.bin"
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for i in $SEARCH_PATH ; do
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if test -r $i/$SEARCH_FOR; then
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AC_MSG_RESULT([found ($i/$SEARCH_FOR)])
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AC_DEFINE_UNQUOTED([PHP_V8_SNAPSHOT_BLOB_PATH], "$i/$SEARCH_FOR", [Full path to snapshot_blob.bin file])
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snapshot_blob_found=1
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fi
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done
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if test -z "$snapshot_blob_found"; then
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AC_MSG_RESULT([not found])
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AC_MSG_ERROR([Please provide V8 snapshot blob as needed])
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fi
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], [
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AC_MSG_RESULT([not found (snapshots disabled)])
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])
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AC_LANG_RESTORE
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LIBS=$old_LIBS
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LDFLAGS=$old_LDFLAGS
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CPPFLAGS=$old_CPPFLAGS
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if test "$V8_API_VERSION" -ge 3029036 ; then
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dnl building for v8 3.29.36 or later, which requires us to
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dnl initialize and provide a platform; hence we need to
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@ -217,10 +164,101 @@ int main ()
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AC_MSG_ERROR([Please provide $static_link_extra_file next to the libv8.so, see README.md for details])
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fi
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LDFLAGS="$LDFLAGS $static_link_dir/$static_link_extra_file"
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LDFLAGS_libplatform="$static_link_dir/$static_link_extra_file"
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done
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# modify flags for (possibly) succeeding V8 startup check
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CPPFLAGS="$CPPFLAGS -I$V8_DIR"
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LIBS="$LIBS $LDFLAGS_libplatform"
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fi
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if test "$V8_API_VERSION" -ge 4004010 ; then
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dnl building for v8 4.4.10 or later, which requires us to
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dnl provide startup data, if V8 wasn't compiled with snapshot=off.
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AC_MSG_CHECKING([whether V8 requires startup data])
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AC_TRY_RUN([
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#include <v8.h>
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#include <libplatform/libplatform.h>
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#include <stdlib.h>
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#include <string.h>
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#if PHP_V8_API_VERSION >= 4004010
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class ArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
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public:
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virtual void* Allocate(size_t length) {
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void* data = AllocateUninitialized(length);
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return data == NULL ? data : memset(data, 0, length);
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}
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virtual void* AllocateUninitialized(size_t length) { return malloc(length); }
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virtual void Free(void* data, size_t) { free(data); }
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};
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#endif
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int main ()
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{
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v8::Platform *v8_platform = v8::platform::CreateDefaultPlatform();
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v8::V8::InitializePlatform(v8_platform);
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v8::V8::Initialize();
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#if PHP_V8_API_VERSION >= 4004044
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static ArrayBufferAllocator array_buffer_allocator;
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v8::Isolate::CreateParams create_params;
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create_params.array_buffer_allocator = &array_buffer_allocator;
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v8::Isolate::New(create_params);
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#else /* PHP_V8_API_VERSION < 4004044 */
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v8::Isolate::New();
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#endif
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return 0;
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}
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], [
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AC_MSG_RESULT([no])
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], [
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AC_MSG_RESULT([yes])
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AC_DEFINE([PHP_V8_USE_EXTERNAL_STARTUP_DATA], [1], [Whether V8 requires (and can be provided with custom versions of) external startup data])
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SEARCH_PATH="$V8_DIR/lib"
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AC_MSG_CHECKING([for natives_blob.bin])
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SEARCH_FOR="natives_blob.bin"
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for i in $SEARCH_PATH ; do
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if test -r $i/$SEARCH_FOR; then
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AC_MSG_RESULT([found ($i/$SEARCH_FOR)])
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AC_DEFINE_UNQUOTED([PHP_V8_NATIVES_BLOB_PATH], "$i/$SEARCH_FOR", [Full path to natives_blob.bin file])
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native_blob_found=1
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fi
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done
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if test -z "$native_blob_found"; then
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AC_MSG_RESULT([not found])
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AC_MSG_ERROR([Please provide V8 native blob as needed])
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fi
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AC_MSG_CHECKING([for snapshot_blob.bin])
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SEARCH_FOR="snapshot_blob.bin"
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for i in $SEARCH_PATH ; do
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if test -r $i/$SEARCH_FOR; then
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AC_MSG_RESULT([found ($i/$SEARCH_FOR)])
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AC_DEFINE_UNQUOTED([PHP_V8_SNAPSHOT_BLOB_PATH], "$i/$SEARCH_FOR", [Full path to snapshot_blob.bin file])
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snapshot_blob_found=1
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fi
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done
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if test -z "$snapshot_blob_found"; then
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AC_MSG_RESULT([not found])
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AC_MSG_ERROR([Please provide V8 snapshot blob as needed])
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fi
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])
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fi
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AC_LANG_RESTORE
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LIBS=$old_LIBS
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LDFLAGS="$old_LDFLAGS $LDFLAGS_libplatform"
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CPPFLAGS=$old_CPPFLAGS
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PHP_NEW_EXTENSION(v8js, [ \
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v8js_array_access.cc \
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v8js.cc \
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