OS X configure ignores --with-tools-dir

[Henry Jen]

On 04/30/2014 12:42 AM, Erik Joelsson wrote:
>
> On 2014-04-30 00:51, Dan Smith wrote:
>> Thanks Henry, that will force it to choose my referenced compiler.
>>
>> Still not clear whether this is intended behavior or not: is the
>> default toolchain-type (clang, apparently) supposed to trump an
>> explicit tools-dir?  I.e., is this a bug, or just surprising but
>> intentional?
> I think this is intentional, but it could certainly still be discussed.
> I'm surprised clang is already picked as default however. Perhaps there
> is something else that's not working as intended causing this.

We use 'xcodebuild -version' to determine xcode version, and choose 
clang as default after 5.0.

http://hg.openjdk.java.net/jdk9/jdk9/rev/77c150b417d8

--with-tools-dir specify where to find the toolchain, in this case, we 
would hope it can correctly identify it's xcode 4, but it's not.

Cheers,
Henry

>
> /Erik
>> —Dan
>>
>> On Apr 25, 2014, at 1:43 PM, Henry Jen <henry.jen at oracle.com> wrote:
>>
>>> For JDK9, try to specify toolchain using --with-toolchain-type=gcc
>>>
>>> Cheers,
>>> Henry
>>>
>>> On 04/25/2014 10:41 AM, Dan Smith wrote:
>>>> I'm using --with-tools-dir on OS X Mavericks to point to an old copy
>>>> of Xcode 4.  I configure jdk9 as follows:
>>>>
>>>>> make dist-clean
>>>>> hg update -d "<2014-03-17"
>>>>> sh configure --with-boot-jdk=$JAVA8_HOME
>>>>> --with-tools-dir=/Applications/Xcode4.app/Contents/Developer/usr/bin
>>>> Running generated-configure.sh
>>>> ...
>>>> Tools summary:
>>>> * Boot JDK:       java version "1.8.0" Java(TM) SE Runtime
>>>> Environment (build 1.8.0-b132) Java HotSpot(TM) 64-Bit Server VM
>>>> (build 25.0-b70, mixed mode)  (at
>>>> /Library/Java/JavaVirtualMachines/jdk1.8.0.jdk/Contents/Home)
>>>> * Toolchain:      gcc (GNU Compiler Collection)
>>>> * C Compiler:     Version 4.2.1 (at
>>>> /Applications/Xcode4.app/Contents/Developer/usr/bin/gcc)
>>>> * C++ Compiler:   Version 4.2.1 (at
>>>> /Applications/Xcode4.app/Contents/Developer/usr/bin/g++)
>>>> ...
>>>>
>>>> As of March 18, this no longer works.
>>>>
>>>>> make dist-clean
>>>>> hg update -d "<2014-03-18"
>>>>> sh configure --with-boot-jdk=$JAVA8_HOME
>>>>> --with-tools-dir=/Applications/Xcode4.app/Contents/Developer/usr/bin
>>>> Running generated-configure.sh
>>>> ...
>>>> Tools summary:
>>>> * Boot JDK:       java version "1.8.0" Java(TM) SE Runtime
>>>> Environment (build 1.8.0-b132) Java HotSpot(TM) 64-Bit Server VM
>>>> (build 25.0-b70, mixed mode)  (at
>>>> /Library/Java/JavaVirtualMachines/jdk1.8.0.jdk/Contents/Home)
>>>> * Toolchain:      clang (clang/LLVM)
>>>> * C Compiler:     Version Apple LLVM version 5.1 (clang-503.0.40)
>>>> (based on LLVM 3.4svn) Target: x86_64-apple-darwin13.1.0 Thread
>>>> model: posix (at /usr/bin/clang)
>>>> * C++ Compiler:   Version Apple LLVM version 5.1 (clang-503.0.40)
>>>> (based on LLVM 3.4svn) Target: x86_64-apple-darwin13.1.0 Thread
>>>> model: posix (at /usr/bin/clang++)
>>>> ...
>>>>
>>>> I appreciate the effort to get clang to work, but I should still be
>>>> able to pick my compiler using --with-tools-dir.
>>>>
>>>> Should I report a bug?
>>>>
>>>> (Note on my motivation: I'm getting build errors due to
>>>> -Wformat-nonliteral.  I've heard this is a known issue, but I'd like
>>>> to be able to work around it in the mean time.)
>>>>
>>>> —Dan
>>>>
>