Hello, I get the following error when building gcc trunk version 144868 on x86_64. I appreciate any help. Thanks, Revital Configure with: ../gcc/configure --prefix=/Develop/mainline_patch/build --disable-bootstrap --enable-languages=c,c++,fortran --with-m pfr=/usr/local/ --disable-nls --disable-multilib The error: echo | /Develop/mainline_patch/build/./gcc/xgcc -B/Develop/mainline_patch/build/./gcc/ -B/Develop/mainline_patch/build/x86_64-unknown-linux-gnu/bin/ -B/Develop/mainline_patch/build/x86_64-unknown-linux-gnu/lib/ -isystem /Develop/mainline_patch/build/x86_64-unknown-linux-gnu/include -isystem /Develop/mainline_patch/build/x86_64-unknown-linux-gnu/sys-include -E -dM - | \ sed -n -e 's/^#define \([^_][a-zA-Z0-9_]*\).*/\1/p' \ -e 's/^#define \(_[^_A-Z][a-zA-Z0-9_]*\).*/\1/p' | \ sort -u > tmp-macro_list xgcc: /Develop/mainline_patch/build/./gcc/specs: Invalid argument /bin/sh ../../gcc/gcc/../move-if-change tmp-macro_list macro_list ... Fixing headers into /Develop/mainline_patch/build/gcc/include-fixed for x86_64-unknown-linux-gnu target No forbidden identifiers defined by this target Finding directories and links to directories Searching /usr/include/. Making symbolic directory links Fixing directory /usr/include into /Develop/mainline_patch/build/gcc/include-fixed error 22 (Invalid argument) stat-ing libgsf-1/gsf/gsf-output-csv.h error 22 (Invalid argument) stat-ing libgsf-1/gsf/gsf-input-iochannel.h error 22 (Invalid argument) stat-ing libgsf-1/gsf/gsf-input-stdio.h error 22 (Invalid argument) stat-ing libgsf-1/gsf/gsf-output-iochannel.h error 22 (Invalid argument) stat-ing libgsf-1/gsf/gsf-infile-impl.h ... checking for x86_64-unknown-linux-gnu-gcc... /Develop/mainline_patch/build/./gcc/xgcc -B/Develop/mainline_patch/build/./gcc/ -B/Develop/mainline_patch/build/x86_64-unknown-linux-gnu/bin/ -B/Develop/mainline_patch/build/x86_64-unknown-linux-gnu/lib/ -isystem /Develop/mainline_patch/build/x86_64-unknown-linux-gnu/include -isystem /Develop/mainline_patch/build/x86_64-unknown-linux-gnu/sys-include checking for suffix of object files... configure: error: in `/Develop/mainline_patch/build/x86_64-unknown-linux-gnu/libgcc': configure: error: cannot compute suffix of object files: cannot compile See `config.log' for more details. make[1]: *** [configure-target-libgcc] Error 1 make[1]: Leaving directory `/Develop/mainline_patch/build' make: *** [all] Error 2