Hi Guys,

Thank you so much for your help. Now the problem is fixed. I followed Paul's suggestion and change the following line in the $UDK2014/Conf/build_rule.txt from 

    <Command.ARMGCC>
        # $(OBJECT_FILES_LIST) has wrong paths for cygwin
        "$(SLINK)" $(SLINK_FLAGS) ${dst} $(OBJECT_FILES)

to 

    <Command.ARMGCC>
        # $(OBJECT_FILES_LIST) has wrong paths for cygwin
        "$(SLINK)" $(SLINK_FLAGS) ${dst} @$(OBJECT_FILES_LIST)

Then the problem is gone. 

Thanks again

Best,
Jianning

On Wed, Feb 18, 2015 at 6:38 AM, Olivier Martin <olivier.martin@arm.com> wrote:

I had the same issue a couple years ago.

I found WinXP has a limitation of 8191 characters (http://support.microsoft.com/kb/830473).

But the unix-like environment I was using (mingw) was limiting the command line at 750 characters.

 

I also tried Paul’s suggestion at that time but arm-linux-gnueabihf-ar.exe was not accepting the syntax ‘@<object_files_list>’.

It looks it has been fixed.

 

From: linaro-uefi-bounces@lists.linaro.org [mailto:linaro-uefi-bounces@lists.linaro.org] On Behalf Of Jianning Wang
Sent: 17 February 2015 21:39
To: linaro-uefi@lists.linaro.org
Cc: Daniel Samuelraj
Subject: [Linaro-uefi] "aarch64-none-elf-ar" has command line string size limit??

 

Hi,

 

I am working on compile a UEFI project for AARCH64 platform on a Windows 7 machince using the following toolchain.

 

 

Now everything compiles except the last step of using "aarch64-none-elf-ar". We have about 100 obj files (say from OBJ#001 to OBJ#100) and "aarch64-none-elf-ar" reported  "OBJ#50 file is missing". 

 

It seems to me that "aarch64-none-elf-ar" has a limit of the command line string size.I tried to shorten the directory name (and file name), the situation got improved a little bit, now "aarch64-none-elf-ar" reports ""OBJ#85 is missing".

 

Does anyone is there a such limit and how could we circumvent this problem?

 

Thanks

Jianning