On 18 Feb 2015 08:58, H.J. Lu wrote: > On Wed, Feb 18, 2015 at 8:54 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 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 ? > > commit 89e7505fcde4bd83948f559f429a0e1eb4262f05 > Author: H.J. Lu <hjl.to...@gmail.com> > Date: Sun Dec 14 06:41:03 2014 -0800 > > Compress debug sections for Linux/x86 by default > > * config/tc-i386.c (flag_compress_debug): Default to compress > debug sections for Linux.
i don't see how that justifies making it a hard requirement -mike
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