Hi,

Thanks for releasing LibreSSL-portable!
I tried to compile libressl-2.0.0 following the announcement 
http://marc.info/?l=openbsd-misc&r=1&b=201407&w=2

$ ./configure && make -j10 && make check -j10
[...]
md5/md5_dgst.c: In function 'md5_block_data_order':
md5/md5_dgst.c:107:49: error: right-hand operand of comma expression has no 
effect [-Werror=unused-value]
  HOST_c2l(data,l); X( 0)=l;  HOST_c2l(data,l); X( 1)=l;
                                                 ^
md5/md5_dgst.c:107:109: error: right-hand operand of comma expression has no 
effect [-Werror=unused-value]
  HOST_c2l(data,l); X( 0)=l;  HOST_c2l(data,l); X( 1)=l;
[...]

Indeed the result from that macro is unused:
#  define HOST_c2l(c,l) ((l)=*((const unsigned int *)(c)), (c)+=4, l)
[...]
HOST_c2l(data,l);

As a workaround I can compile it like this:

$ ./configure CFLAGS="-Wno-error=unused-value" && make -j10 && make check -j10
[...]

============================================================================
Testsuite summary for libressl 2.0.0
============================================================================
# TOTAL: 41
# PASS:  41
# SKIP:  0
# XFAIL: 0
# FAIL:  0
# XPASS: 0
# ERROR: 0
============================================================================

Here is some information about my system and compiler:

$ uname -a
Linux debian 3.14-1-amd64 #1 SMP Debian 3.14.10-1 (2014-07-07) x86_64 GNU/Linux
$ gcc -v
Using built-in specs.
COLLECT_GCC=/usr/bin/gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.9/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.9.0-10' 
--with-bugurl=file:///usr/share/doc/gcc-4.9/README.Bugs 
--enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr 
--program-suffix=-4.9 --enable-shared --enable-linker-build-id 
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix 
--with-gxx-include-dir=/usr/include/c++/4.9 --libdir=/usr/lib --enable-nls 
--with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug 
--enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-libmudflap 
--disable-vtable-verify --enable-plugin --with-system-zlib 
--disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo 
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.9-amd64/jre --enable-java-home 
--with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.9-amd64 
--with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.9-amd64 
--with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar 
--enable-objc-gc --enable-multiarch --wi!
 th-arch-32
=i586 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib 
--with-tune=generic --enable-checking=release --build=x86_64-linux-gnu 
--host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 4.9.0 (Debian 4.9.0-10)
gcc (Debian 4.9.0-10) 4.9.0

Best regards,
--Edwin

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