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Marc:<BR>
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After this latest update, when I<BR>
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   125        11:09   tar zxf gambc-v4_6_3-devel.tgz
   126        11:09   cd gambc-v4_6_3-devel/
   129        11:10   ./configure CC='gcc -march=native -fschedule-insns -frename-registers' --enable-single-host --enable-shared --enable-multiple-versions
   130        11:11   make -j 4
   131        11:13   make doc
   133        11:14   git pull http://www.iro.umontreal.ca/~gambit/repo/gambit.git
   134        11:14   make

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I get lots of messages like this in the re-configure:<BR>
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checking stropts.h presence... yes
configure: WARNING: stropts.h: present but cannot be compiled
configure: WARNING: stropts.h:     check for missing prerequisite headers?
configure: WARNING: stropts.h: see the Autoconf documentation
configure: WARNING: stropts.h:     section "Present But Cannot Be Compiled"
configure: WARNING: stropts.h: proceeding with the preprocessor's result
configure: WARNING: stropts.h: in the future, the compiler will take precedence
configure: WARNING:     ## -------------------------------------- ##
configure: WARNING:     ## Report this to <A HREF="mailto:gambit@iro.umontreal.ca">gambit@iro.umontreal.ca</A> ##
configure: WARNING:     ## -------------------------------------- ##
checking for stropts.h... yes

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Do you know what's happening?<BR>
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heine:~/programs/gambc-v4_6_3-devel> uname -a
Linux heine 3.0.0-15-generic #26-Ubuntu SMP Fri Jan 20 17:23:00 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
heine:~/programs/gambc-v4_6_3-devel> gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.6.1/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.6.1-9ubuntu3' --with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++,go --prefix=/usr --program-suffix=-4.6 --enable-shared --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-plugin --enable-objc-gc --disable-werror --with-arch-32=i686 --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 4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu3) 

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