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mirror of https://github.com/phpv8/v8js.git synced 2024-12-22 17:31:53 +00:00
phpv8/config.m4
2016-03-05 17:12:36 +01:00

279 lines
7.9 KiB
Plaintext

PHP_ARG_WITH(v8js, for V8 Javascript Engine,
[ --with-v8js Include V8 JavaScript Engine])
if test "$PHP_V8JS" != "no"; then
SEARCH_PATH="/usr/local /usr"
SEARCH_FOR="include/v8.h"
if test -r $PHP_V8JS/$SEARCH_FOR; then
case $host_os in
darwin* )
# MacOS does not support --rpath
;;
* )
LDFLAGS="$LDFLAGS -Wl,--rpath=$PHP_V8JS/$PHP_LIBDIR"
;;
esac
V8_DIR=$PHP_V8JS
else
AC_MSG_CHECKING([for V8 files in default path])
for i in $SEARCH_PATH ; do
if test -r $i/$SEARCH_FOR; then
V8_DIR=$i
AC_MSG_RESULT(found in $i)
fi
done
fi
if test -z "$V8_DIR"; then
AC_MSG_RESULT([not found])
AC_MSG_ERROR([Please reinstall the v8 distribution])
fi
PHP_ADD_INCLUDE($V8_DIR/include)
PHP_ADD_LIBRARY_WITH_PATH(v8, $V8_DIR/$PHP_LIBDIR, V8JS_SHARED_LIBADD)
PHP_SUBST(V8JS_SHARED_LIBADD)
PHP_REQUIRE_CXX()
AC_CACHE_CHECK(for C standard version, ac_cv_v8_cstd, [
ac_cv_v8_cstd="c++11"
old_CPPFLAGS=$CPPFLAGS
AC_LANG_PUSH([C++])
CPPFLAGS="-std="$ac_cv_v8_cstd
AC_TRY_RUN([int main() { return 0; }],[],[ac_cv_v8_cstd="c++0x"],[])
AC_LANG_POP([C++])
CPPFLAGS=$old_CPPFLAGS
]);
AC_CACHE_CHECK(how to allow c++11 narrowing, ac_cv_v8_narrowing, [
ac_cv_v8_narrowing=""
old_CXXFLAGS=$CXXFLAGS
AC_LANG_PUSH([C++])
CXXFLAGS="-std="$ac_cv_v8_cstd
AC_TRY_RUN([int main() {
struct { unsigned int x; } foo = {-1};
(void) foo;
return 0;
}], [ ac_cv_v8_narrowing="" ], [
CXXFLAGS="-Wno-c++11-narrowing -std="$ac_cv_v8_cstd
AC_TRY_RUN([int main() {
struct { unsigned int x; } foo = {-1};
(void) foo;
return 0;
}], [ ac_cv_v8_narrowing="-Wno-c++11-narrowing" ], [
CXXFLAGS="-Wno-narrowing -std="$ac_cv_v8_cstd
AC_TRY_RUN([int main() {
struct { unsigned int x; } foo = {-1};
(void) foo;
return 0;
}], [ ac_cv_v8_narrowing="-Wno-narrowing" ], [
AC_MSG_ERROR([cannot compile with narrowing])
], [])
], [])
], [])
AC_LANG_POP([C++])
CXXFLAGS=$old_CXXFLAGS
]);
old_LIBS=$LIBS
old_LDFLAGS=$LDFLAGS
old_CPPFLAGS=$CPPFLAGS
case $host_os in
darwin* )
# MacOS does not support --rpath
LDFLAGS="-L$V8_DIR/$PHP_LIBDIR"
;;
* )
LDFLAGS="-Wl,--rpath=$V8_DIR/$PHP_LIBDIR -L$V8_DIR/$PHP_LIBDIR"
;;
esac
LIBS=-lv8
CPPFLAGS="-I$V8_DIR/include -std=$ac_cv_v8_cstd"
AC_LANG_SAVE
AC_LANG_CPLUSPLUS
AC_CACHE_CHECK(for V8 version, ac_cv_v8_version, [
AC_TRY_RUN([#include <v8.h>
#include <iostream>
#include <fstream>
using namespace std;
int main ()
{
ofstream testfile ("conftestval");
if (testfile.is_open()) {
testfile << v8::V8::GetVersion();
testfile << "\n";
testfile.close();
return 0;
}
return 1;
}], [ac_cv_v8_version=`cat ./conftestval|awk '{print $1}'`], [ac_cv_v8_version=NONE], [ac_cv_v8_version=NONE])
])
if test "$ac_cv_v8_version" != "NONE"; then
ac_IFS=$IFS
IFS=.
set $ac_cv_v8_version
IFS=$ac_IFS
V8_API_VERSION=`expr [$]1 \* 1000000 + [$]2 \* 1000 + [$]3`
if test "$V8_API_VERSION" -lt 3024006 ; then
AC_MSG_ERROR([libv8 must be version 3.24.6 or greater])
fi
AC_DEFINE_UNQUOTED([PHP_V8_API_VERSION], $V8_API_VERSION, [ ])
AC_DEFINE_UNQUOTED([PHP_V8_VERSION], "$ac_cv_v8_version", [ ])
else
AC_MSG_ERROR([could not determine libv8 version])
fi
if test "$V8_API_VERSION" -ge 3029036 ; then
dnl building for v8 3.29.36 or later, which requires us to
dnl initialize and provide a platform; hence we need to
dnl link in libplatform to make our life easier.
PHP_ADD_INCLUDE($V8_DIR)
case $host_os in
darwin* )
static_link_extra="libv8_libplatform.a libv8_libbase.a"
;;
* )
static_link_extra="libv8_libplatform.a"
;;
esac
for static_link_extra_file in $static_link_extra; do
AC_MSG_CHECKING([for $static_link_extra_file])
for i in $PHP_V8JS $SEARCH_PATH ; do
if test -r $i/lib64/$static_link_extra_file; then
static_link_dir=$i/lib64
AC_MSG_RESULT(found in $i)
fi
if test -r $i/lib/$static_link_extra_file; then
static_link_dir=$i/lib
AC_MSG_RESULT(found in $i)
fi
done
if test -z "$static_link_dir"; then
AC_MSG_RESULT([not found])
AC_MSG_ERROR([Please provide $static_link_extra_file next to the libv8.so, see README.md for details])
fi
LDFLAGS_libplatform="$static_link_dir/$static_link_extra_file"
done
# modify flags for (possibly) succeeding V8 startup check
CPPFLAGS="$CPPFLAGS -I$V8_DIR"
LIBS="$LIBS $LDFLAGS_libplatform"
fi
if test "$V8_API_VERSION" -ge 4004010 ; then
dnl building for v8 4.4.10 or later, which requires us to
dnl provide startup data, if V8 wasn't compiled with snapshot=off.
AC_MSG_CHECKING([whether V8 requires startup data])
AC_TRY_RUN([
#include <v8.h>
#include <libplatform/libplatform.h>
#include <stdlib.h>
#include <string.h>
#if PHP_V8_API_VERSION >= 4004010
class ArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
public:
virtual void* Allocate(size_t length) {
void* data = AllocateUninitialized(length);
return data == NULL ? data : memset(data, 0, length);
}
virtual void* AllocateUninitialized(size_t length) { return malloc(length); }
virtual void Free(void* data, size_t) { free(data); }
};
#endif
int main ()
{
v8::Platform *v8_platform = v8::platform::CreateDefaultPlatform();
v8::V8::InitializePlatform(v8_platform);
v8::V8::Initialize();
#if PHP_V8_API_VERSION >= 4004044
static ArrayBufferAllocator array_buffer_allocator;
v8::Isolate::CreateParams create_params;
create_params.array_buffer_allocator = &array_buffer_allocator;
v8::Isolate::New(create_params);
#else /* PHP_V8_API_VERSION < 4004044 */
v8::Isolate::New();
#endif
return 0;
}
], [
AC_MSG_RESULT([no])
], [
AC_MSG_RESULT([yes])
AC_DEFINE([PHP_V8_USE_EXTERNAL_STARTUP_DATA], [1], [Whether V8 requires (and can be provided with custom versions of) external startup data])
SEARCH_PATH="$V8_DIR/lib $V8_DIR/share/v8"
AC_MSG_CHECKING([for natives_blob.bin])
SEARCH_FOR="natives_blob.bin"
for i in $SEARCH_PATH ; do
if test -r $i/$SEARCH_FOR; then
AC_MSG_RESULT([found ($i/$SEARCH_FOR)])
AC_DEFINE_UNQUOTED([PHP_V8_NATIVES_BLOB_PATH], "$i/$SEARCH_FOR", [Full path to natives_blob.bin file])
native_blob_found=1
fi
done
if test -z "$native_blob_found"; then
AC_MSG_RESULT([not found])
AC_MSG_ERROR([Please provide V8 native blob as needed])
fi
AC_MSG_CHECKING([for snapshot_blob.bin])
SEARCH_FOR="snapshot_blob.bin"
for i in $SEARCH_PATH ; do
if test -r $i/$SEARCH_FOR; then
AC_MSG_RESULT([found ($i/$SEARCH_FOR)])
AC_DEFINE_UNQUOTED([PHP_V8_SNAPSHOT_BLOB_PATH], "$i/$SEARCH_FOR", [Full path to snapshot_blob.bin file])
snapshot_blob_found=1
fi
done
if test -z "$snapshot_blob_found"; then
AC_MSG_RESULT([not found])
AC_MSG_ERROR([Please provide V8 snapshot blob as needed])
fi
])
fi
AC_LANG_RESTORE
LIBS=$old_LIBS
LDFLAGS="$old_LDFLAGS $LDFLAGS_libplatform"
CPPFLAGS=$old_CPPFLAGS
PHP_NEW_EXTENSION(v8js, [ \
v8js_array_access.cc \
v8js.cc \
v8js_class.cc \
v8js_commonjs.cc \
v8js_convert.cc \
v8js_exceptions.cc \
v8js_methods.cc \
v8js_object_export.cc \
v8js_timer.cc \
v8js_v8.cc \
v8js_v8object_class.cc \
v8js_variables.cc \
], $ext_shared, , "$ac_cv_v8_narrowing -std="$ac_cv_v8_cstd)
PHP_ADD_MAKEFILE_FRAGMENT
fi