Re: Configure and multiple OS X archs
Re: Configure and multiple OS X archs
- Subject: Re: Configure and multiple OS X archs
- From: Andre-John Mas <email@hidden>
- Date: Fri, 21 Dec 2007 19:00:02 -0500
On 21-Dec-07, at 18:32 , Daniel J. Luke wrote:
On Dec 21, 2007, at 6:27 PM, Andre-John Mas wrote:
I am trying to modify a configure script so that it supports
generating
of a universal binary (PPC & ix86). What I want to do is ensure that
a universal binary is created, when the necessary SDK is available
and the user had not explicitly stated they don't want a universal
binary. Does this look right:
#fix_mac_groups
#fix_parameters $JPATH/lib/javax.comm.properties
if test "x$enable_universal" != xno; then
if test -d "/Developer/SDKs/MacOSX10.4u.sdk"; then
echo "library os.arch... universal (i386 ppc)"
CFLAGS="-O -g -isysroot /Developer/SDKs/MacOSX10.4u.sdk -
arch i386 -arch ppc"
LDFLAGS="-arch i386 -arch ppc"
else
echo "Warning: no universal SDK, will not build universal"
echo "library os.arch... "${OS_ARCH}
fi
else
echo "User disabled building of universal library"
echo "library os.arch... "${OS_ARCH}
fi
keep in mind that with 10.5 you can have SDKs installed somewhere
other than /Developer :(
I have something like this:
AC_PATH_PROG(XCODE_SELECT,xcode-select,no)
if test $XCODE_SELECT = no; then
SDKPATH="/Developer"
else
SDKPATH=`$XCODE_SELECT -print-path`
fi
SDK="$SDKPATH/SDKs/MacOSX10.4u.sdk"
You may also want/need --mmacosx-version-min=10.4 added to you cflags
Is this to locate the xcode directory automatically or to have the
user specify the location for xcode? Sorry I'm fairly new to configure
files, as a developer.
Additionally, will a 32-bit x86 library run on a 64-bit Mac,
yes
or should
I be adding support for x86_64?
you might want to (if you want the enhanced performance from extra
registers, or if people might want to link a 64bit application
against your library)
I just want to be sure that this won't fail on a PPC based system,
when doing a build.
Andre
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