Hi, I am using gcc for sh4 (gcc-4.3.4 and gcc-4.4.1 ) When I use this, I noticed that "/usr/include/sh4-linux-gnu" was not added to earch pass of include. sh4: $ cpp-4.3 -v Using built-in specs. Target: sh4-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Debian 4.3.4-2' --with-bugurl=file:///usr/share/doc/gcc-4.3/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --enable-shared --enable-multiarch --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls --with-gxx-include-dir=/usr/include/c++/4.3 --program-suffix=-4.3 --enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-mpfr --with-multilib-list=m4,m4-nofpu --with-cpu=sh4 --enable-checking=release --build=sh4-linux-gnu --host=sh4-linux-gnu --target=sh4-linux-gnu Thread model: posix gcc version 4.3.4 (Debian 4.3.4-1) COLLECT_GCC_OPTIONS='-E' '-v' /usr/lib/gcc/sh4-linux-gnu/4.3.4/cc1 -E -quiet -v - ignoring nonexistent directory "/usr/lib/gcc/sh4-linux-gnu/4.3.4/../../../../sh4-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/local/include /usr/lib/gcc/sh4-linux-gnu/4.3.4/include /usr/lib/gcc/sh4-linux-gnu/4.3.4/include-fixed /usr/include End of search list. In my x86 environment, this is added. amd64: $ cpp-4.3 -v Using built-in specs. Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Debian 4.3.4-2' --with-bugurl=file:///usr/share/doc/gcc-4.3/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --enable-shared --enable-multiarch --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls --with-gxx-include-dir=/usr/include/c++/4.3 --program-suffix=-4.3 --enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-mpfr --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 4.3.4 (Debian 4.3.4-2) COLLECT_GCC_OPTIONS='-E' '-v' '-mtune=generic' /usr/lib/gcc/x86_64-linux-gnu/4.3.4/cc1 -E -quiet -v - -mtune=generic ignoring nonexistent directory "/usr/local/include/x86_64-linux-gnu" ignoring nonexistent directory "/usr/lib/gcc/x86_64-linux-gnu/4.3.4/../../../../x86_64-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/local/include /usr/lib/gcc/x86_64-linux-gnu/4.3.4/include /usr/lib/gcc/x86_64-linux-gnu/4.3.4/include-fixed /usr/include/x86_64-linux-gnu /usr/include End of search list I want to add "/usr/include/$(ARCH)-linux-gnu" in sh4. Where should I revise? Best regards, Nobuhiro -- Nobuhiro Iwamatsu