On 2/18/2015 10:54 AM, Mike Frysinger wrote: > On 18 Feb 2015 04:56, H.J. Lu wrote: >> On Wed, Feb 18, 2015 at 4:08 AM, Joel Brobecker <brobec...@adacore.com> >> wrote: >>> On Wed, Jan 07, 2015 at 06:45:48PM +0400, Joel Brobecker wrote: >>>> This patch enhances config/zlib.m4 to introduce an extra option >>>> --with-libz-prefix which allows us to provide the location of >>>> the zlib library we want to use during the build. >>>> >>>> config/ChangeLog: >>>> >>>> * zlib.m4 (AM_ZLIB): Add --with-libz-prefix option support. >>>> >>>> I didn't see any file in the GCC project that uses this macro, >>>> so for the GCC repository, the change to zlib.m4 is it. But >>>> I am also attaching to this email a copy of the patch that >>>> will be applied to the binutils-gdb.git repository, with all >>>> configury using this macro being re-generated - mostly for info, >>>> also as a heads-up to both binutils and GDB. >>>> >>>> This was tested by regenerating all autoconf/automake files in >>>> the binutils-gdb project, and rebuilding GDB, using the following >>>> combinations: >>>> >>>> --with-zlib (system zlib used) >>>> --with-libz-prefix=/zlib/prefix (specific zlib linked in) >>>> --with-zlib --with-libz-prefix=/zlib/prefix (specific zlib linked in) >>>> >>>> --without-zlib (zlib support turned off) >>>> --without-zlib --with-zlib-prefix (zlib support turned off) >>>> >>>> --with-zlib (no system zlib available, configure fails with expected >>>> error) >>>> --with-zlib --with-libz-prefix=/invalid/zlib/prefix >>>> (no system zlib, configure fails with same error) >>>> >>>> OK to commit? >> Why do you want to turn off zlib? On Linux/x86, zlib is required >> for assembler. At least, you should issue an error when --without-libz >> is used in binutils for Linux/x86 target. > err, when did that happen ? why would zlib be possibly required for an > assembler ?
Is there going to be a configure error when the system does not have zlib and no argument is specified? This is a common issue for people building tools for RTEMS for the first time. > -mike -- Joel Sherrill, Ph.D. Director of Research & Development joel.sherr...@oarcorp.com On-Line Applications Research Ask me about RTEMS: a free RTOS Huntsville AL 35805 Support Available (256) 722-9985
