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: Kevin Van Vechten <email@hidden>
- Date: Fri, 26 May 2006 13:36:41 -0700
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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