Re: Is there a way to determine what default options are passed to g++?
Re: Is there a way to determine what default options are passed to g++?
- Subject: Re: Is there a way to determine what default options are passed to g++?
- From: Paul Archibald <email@hidden>
- Date: Fri, 26 May 2006 14:33:14 -0700
Yes I checked the versions of gcc, both are 4.0.1, and the includes
paths look the same. Same Xcode 2.2.1, installed on both machines the
same day (the PPC was an upgrade).
On May 26, 2006, at 1:36 PM, Kevin Van Vechten wrote:
What do you mean by slightly different output? It'd help to know
what differences you're seeing.
Also, have you checked that both versions of gcc/g++ are the same
(gcc -v)? That might account for subtle differences.
- Kevin
On May 26, 2006, at 12:30 PM, Paul Archibald wrote:
Comrades,
Does anyone know how to show the default options that are passed
to gcc/g++? I am building a universal binary, and I get slightly
different output depending on whether I build it on my PPC
Powerbook or this IntelMini loaner. I am really close, The Intel
build works on the IntelMini and the PPC, but the PPC build only
works on the PPC. I want the PPC build to be portable, too.
This is the compiler command from the makefile:
$(TARGET): $(OBJECTS)
g++ -arch i386 -arch ppc -isysroot /Developer/SDKs/
MacOSX10.4u.sdk -o $@ -dynamiclib -install_name $(DESTDIR)/$@ $^
strip -x $@
%.o: %.cpp
g++ -arch i386 -arch ppc -isysroot /Developer/SDKs/
MacOSX10.4u.sdk -c -O2 -o $@ $^ -I /System/Library/Frameworks/
JavaVM.framework/Headers
I think the fix is to add something to the options list that will
force both compilers (Intel and PPC) to generate exactly the same
output. I just don't know what that something is.
Anybody have any idea?
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