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copied!<p>Since this answer became a little bit "unreadable", I created a page with this info.</p> <ul> <li><a href="http://fun-tech.se/stm32/gcc/index.php" rel="noreferrer">http://fun-tech.se/stm32/gcc/index.php</a></li> </ul> <hr> <hr> <p>This is a free interpretation based on these two guides, but I had to change versions and apply some patches to get it to work.</p> <ul> <li><a href="http://eluaproject.dreamhosters.com/en/Building_GCC_for_Cortex" rel="noreferrer">http://eluaproject.dreamhosters.com/en/Building_GCC_for_Cortex</a></li> <li><a href="http://www.esden.net/blog/2009/02/26/how-to-build-arm-gnu-gcc-toolchain-for-mac-os-x/" rel="noreferrer">http://www.esden.net/blog/2009/02/26/how-to-build-arm-gnu-gcc-toolchain-for-mac-os-x/</a></li> </ul> <h2>First some basic stuff</h2> <pre><code>sudo apt-get install flex bison libgmp3-dev libmpfr-dev autoconf texinfo build-essential </code></pre> <p>Then I created a place to store the toolchain (change cj.users to whatever is good for you).</p> <pre><code>export TOOLPATH=/usr/local/cross-cortex-m3 sudo mkdir /usr/local/cross-cortex-m3 sudo chown cj.users /usr/local/cross-cortex-m3 </code></pre> <h2>Binutils</h2> <pre><code>wget http://ftp.gnu.org/gnu/binutils/binutils-2.19.tar.bz2 tar -xvjf binutils-2.19.tar.bz2 cd binutils-2.19 mkdir build cd build ../configure --target=arm-none-eabi --prefix=$TOOLPATH --enable-interwork --enable-multilib --with-gnu-as --with-gnu-ld --disable-nls </code></pre> <p>Apply patch to tc-arm.c according this info <a href="http://sourceware.org/bugzilla/show_bug.cgi?id=7026" rel="noreferrer">http://sourceware.org/bugzilla/show_bug.cgi?id=7026</a> / <a href="http://sourceware.org/bugzilla/attachment.cgi?id=3058&action=view" rel="noreferrer">http://sourceware.org/bugzilla/attachment.cgi?id=3058&action=view</a></p> <pre><code>vi ../gas/config/tc-arm.c make make install export PATH=${TOOLPATH}/bin:$PATH cd ../.. </code></pre> <h2>gcc</h2> <pre><code>wget ftp://ftp.sunet.se/pub/gnu/gcc/releases/gcc-4.3.4/gcc-4.3.4.tar.bz2 tar -xvjf gcc-4.3.4.tar.bz2 cd gcc-4.3.4 mkdir build cd build ../configure --target=arm-none-eabi --prefix=$TOOLPATH --enable-interwork --enable-multilib --enable-languages="c,c++" --with-newlib --without-headers --disable-shared --with-gnu-as --with-gnu-ld make all-gcc make install-gcc cd ../.. </code></pre> <h2>Newlib</h2> <pre><code>wget ftp://sources.redhat.com/pub/newlib/newlib-1.17.0.tar.gz wget http://www.esden.net/content/embedded/newlib-1.14.0-missing-makeinfo.patch tar -xvzf newlib-1.17.0.tar.gz cd newlib-1.17.0 </code></pre> <p>Then I would like to apply the patch with something like this (but it did not work)</p> <pre><code>patch -p1 -i ../newlib-1.14.0-missing-makeinfo.patch </code></pre> <p>So I opened it manually and edited line 6651 according to the patch.</p> <pre><code>vi configure mkdir build cd build ../configure --target=arm-none-eabi --prefix=$TOOLPATH --enable-interwork --disable-newlib-supplied-syscalls --with-gnu-ld --with-gnu-as --disable-shared make CFLAGS_FOR_TARGET="-ffunction-sections -fdata-sections -DPREFER_SIZE_OVER_SPEED -D__OPTIMIZE_SIZE__ -Os -fomit-frame-pointer -mcpu=cortex-m3 -mthumb -D__thumb2__ -D__BUFSIZ__=256" CCASFLAGS="-mcpu=cortex-m3 -mthumb -D__thumb2__" make install cd ../.. </code></pre> <h2>More gcc</h2> <pre><code>cd gcc-4.3.4/build make CFLAGS="-mcpu=cortex-m3 -mthumb" CXXFLAGS="-mcpu=cortex-m3 -mthumb" LIBCXXFLAGS="-mcpu=cortex-m3 -mthumb" all make install </code></pre> <h2>Sum up</h2> <p>Now I just added some paths to my ~/.bashrc</p> <pre><code>#STM32 gcc... export TOOLPATH=/usr/local/cross-cortex-m3 export PATH=${TOOLPATH}/bin:$PATH </code></pre> <p>And I should be ready for the next step...</p>

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