Unable to build with GYP

fdmanana

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Mar 19, 2012, 2:38:23 PM3/19/12

to v8-users

Hi,

I've been trying to build V8 with GYP, but so far unsuccessful (scons
works perfectly btw).

This is on Mac OS X Lion:

$ uname -a
Darwin dorian-2.lan 11.3.0 Darwin Kernel Version 11.3.0: Thu Jan 12
18:47:41 PST 2012; root:xnu-1699.24.23~1/RELEASE_X86_64 x86_64

$ g++ --version
i686-apple-darwin11-llvm-g++-4.2 (GCC) 4.2.1 (Based on Apple Inc.
build 5658) (LLVM build 2335.15.00)
Copyright (C) 2007 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There
is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.

Explicitly passing the option library=shared makes it impossible to
build the x64 target, as it can be seen here:

http://www.pastie.org/3629629

Not specifying library=shared option, and using the x64.release target
I get a bunch of compilation errors:

http://friendpaste.com/34S2vQzwSBqmSdSdKQSDeD

Finally using target native.release allows the build to succeed:

http://friendpaste.com/1GlS5lEnxkqcMpclFptKAs

Which results in 4 archive files inside out/native:

-rw-r--r-- 1 fdmanana staff 957K Mar 19 18:26 libpreparser_lib.a
-rw-r--r-- 1 fdmanana staff 112M Mar 19 18:26 libv8_base.a
-rw-r--r-- 1 fdmanana staff 937K Mar 19 18:26 libv8_nosnapshot.a
-rw-r--r-- 1 fdmanana staff 1.2M Mar 19 18:26 libv8_snapshot.a

However their object files have the wrong architecture (output when
compiling the sample hello world program):

$ g++ -o hello hello.cpp -L/Users/fdmanana/git/hub/v8/out/native -I/
Users/fdmanana/git/hub/v8/include -lv8_base -lv8_nosnapshot -
lpreparser_lib
ld: warning: ignoring file /Users/fdmanana/git/hub/v8/out/native/
libv8_base.a, file was built for archive which is not the architecture
being linked (x86_64)
ld: warning: ignoring file /Users/fdmanana/git/hub/v8/out/native/
libv8_nosnapshot.a, file was built for archive which is not the
architecture being linked (x86_64)
ld: warning: ignoring file /Users/fdmanana/git/hub/v8/out/native/
libpreparser_lib.a, file was built for archive which is not the
architecture being linked (x86_64)
Undefined symbols for architecture x86_64:
"v8::HandleScope::HandleScope()", referenced from:
_main in ccHhUcyB.o
"v8::Context::New(v8::ExtensionConfiguration*,
v8::Handle<v8::ObjectTemplate>, v8::Handle<v8::Value>)", referenced
from:
_main in ccHhUcyB.o
"v8::String::New(char const*, int)", referenced from:
_main in ccHhUcyB.o
"v8::Script::Compile(v8::Handle<v8::String>, v8::ScriptOrigin*,
v8::ScriptData*, v8::Handle<v8::String>)", referenced from:
_main in ccHhUcyB.o
"v8::Script::Run()", referenced from:
_main in ccHhUcyB.o
"v8::String::AsciiValue::AsciiValue(v8::Handle<v8::Value>)",
referenced from:
_main in ccHhUcyB.o
"v8::String::AsciiValue::~AsciiValue()", referenced from:
_main in ccHhUcyB.o
"v8::HandleScope::~HandleScope()", referenced from:
_main in ccHhUcyB.o
"v8::Context::Enter()", referenced from:
v8::Context::Scope::Scope(v8::Handle<v8::Context>)in ccHhUcyB.o
"v8::V8::DisposeGlobal(v8::internal::Object**)", referenced from:
v8::Persistent<v8::Context>::Dispose() in ccHhUcyB.o
"v8::Context::Exit()", referenced from:
v8::Context::Scope::~Scope()in ccHhUcyB.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status

Are these known problems? Besides using the old scons way, is there
anything else I can do?

Thanks.

fdmanana

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Mar 19, 2012, 2:39:06 PM3/19/12

to v8-users

Forgot to mention that this happens even with latest master, not just
the 3.9.7 tag.

Jakob Kummerow

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Mar 19, 2012, 3:38:29 PM3/19/12

to v8-u...@googlegroups.com

To quote http://code.google.com/p/v8/wiki/BuildingWithGYP:

"Notes:

trying to build x64 targets on Mac currently fails."

We'd happily accept patches if you have the time to investigate and fix this :-)

You should be able to build 32bit binaries on Mac using GYP just fine. This is probably also what the "native" target chooses (though I haven't verified that).

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fdmanana

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Mar 22, 2012, 3:11:44 PM3/22/12

to v8-users

Thanks for the reply Jakob.

The following patch, also at https://gist.github.com/2160061, allows
me to build it for Mac OS X in 64bits mode using GYP. Would be great
if others confirm it works for them as well.
Let me know if there's anything else I need to do.

From d5a233f86a9268d68c57b2a2f1ee0fd379bcf9d6 Mon Sep 17 00:00:00 2001
From: Filipe David Borba Manana <fdma...@apache.org>
Date: Thu, 22 Mar 2012 18:55:35 +0000
Subject: [PATCH] Add support for Mac OS X 64bit builds with GYP

Example:

$ export GYP_GENERATORS=make
$ make dependencies
$ make -j 8 library=shared x64.release
---
Makefile | 2 +-
build/common.gypi | 34 ++++++++++++++++++++++++++++++++++
tools/gyp/v8.gyp | 10 ++++++++--
3 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 5dc6ca5..e4e36d8 100644
--- a/Makefile
+++ b/Makefile
@@ -260,4 +260,4 @@ $(ENVFILE).new:
# Dependencies.
dependencies:
svn checkout --force http://gyp.googlecode.com/svn/trunk build/gyp \
- --revision 1026
+ --revision 1251
diff --git a/build/common.gypi b/build/common.gypi
index 5c0c323..deed625 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -317,6 +317,22 @@
'cflags': [ '-Wall', '<(werror)', '-W', '-Wno-unused-
parameter',
'-Wnon-virtual-dtor', '-Woverloaded-
virtual' ],
}],
+ ['OS=="mac" and target_arch=="ia32"', {
+ 'xcode_settings': {
+ 'ARCHS': ['i386'],
+ 'OTHER_CFLAGS': ['-m32'],
+ 'OTHER_CXXFLAGS': ['-m32'],
+ 'OTHER_LDFLAGS': ['-m32']
+ },
+ }],
+ ['OS=="mac" and target_arch=="x64"', {
+ 'xcode_settings': {
+ 'ARCHS': ['x86_64'],
+ 'OTHER_CFLAGS': ['-m64'],
+ 'OTHER_CXXFLAGS': ['-m64'],
+ 'OTHER_LDFLAGS': ['-m64']
+ },
+ }],
],
}, # Debug
'Release': {
@@ -358,6 +374,24 @@
# is specified explicitly.
'GCC_STRICT_ALIASING': 'YES',
},
+ 'conditions': [
+ ['target_arch=="ia32"', {
+ 'xcode_settings': {
+ 'ARCHS': ['i386'],
+ 'OTHER_CFLAGS': ['-m32'],
+ 'OTHER_CXXFLAGS': ['-m32'],
+ 'OTHER_LDFLAGS': ['-m32']
+ },
+ }],
+ ['target_arch=="x64"', {
+ 'xcode_settings': {
+ 'ARCHS': ['x86_64'],
+ 'OTHER_CFLAGS': ['-m64'],
+ 'OTHER_CXXFLAGS': ['-m64'],
+ 'OTHER_LDFLAGS': ['-m64']
+ },
+ }],
+ ],
}], # OS=="mac"
['OS=="win"', {
'msvs_configuration_attributes': {
diff --git a/tools/gyp/v8.gyp b/tools/gyp/v8.gyp
index 764789a..2913cdf 100644
--- a/tools/gyp/v8.gyp
+++ b/tools/gyp/v8.gyp
@@ -59,6 +59,9 @@
'../../src/v8dll-main.cc',
],
'conditions': [
+ ['OS=="mac"', {
+ 'xcode_settings': {'OTHER_LDFLAGS': ['-dynamiclib',
'-all_load']},
+ }],
['OS=="win"', {
'defines': [
'BUILDING_V8_SHARED',
@@ -536,7 +539,7 @@
'../../src/arm/stub-cache-arm.cc',
],
}],
- ['v8_target_arch=="ia32" or v8_target_arch=="mac" or
OS=="mac"', {
+ ['v8_target_arch=="ia32"', {
'sources': [
'../../src/ia32/assembler-ia32-inl.h',
'../../src/ia32/assembler-ia32.cc',
@@ -601,7 +604,7 @@
'../../src/mips/stub-cache-mips.cc',
],
}],
- ['v8_target_arch=="x64" or v8_target_arch=="mac" or
OS=="mac"', {
+ ['v8_target_arch=="x64"', {
'sources': [
'../../src/x64/assembler-x64-inl.h',
'../../src/x64/assembler-x64.cc',
@@ -982,6 +985,9 @@
}, {
'toolsets': ['target'],
}],
+ ['OS=="mac" and component=="shared_library"', {
+ 'xcode_settings': {'OTHER_LDFLAGS': ['-dynamiclib', '-
all_load']},
+ }],
],
'link_settings': {
'libraries': [
--
1.7.9.1

On Mar 19, 7:38 pm, Jakob Kummerow <jkumme...@chromium.org> wrote:
> To quotehttp://code.google.com/p/v8/wiki/BuildingWithGYP:
>
> "Notes:
>
> - trying to build x64 targets on Mac currently fails."

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