diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/building/gcc/GNULinux-GNAT.rst | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/doc/building/gcc/GNULinux-GNAT.rst b/doc/building/gcc/GNULinux-GNAT.rst index a8617449d..632c2a5e8 100644 --- a/doc/building/gcc/GNULinux-GNAT.rst +++ b/doc/building/gcc/GNULinux-GNAT.rst @@ -5,9 +5,15 @@ GCC Backend on GNU/Linux with GCC/GNAT .. HINT:: There are some dependencies for building GCC (``gmp``, ``mpfr`` and ``mpc``). If you have not them installed on your system, you can either build them manually or use the ``download_prerequisites`` script provided in the GCC source tree (recommended): ``cd /path/to/gcc/source/dir && ./contrib/download_prerequisites``. -* First configure GHDL, specify GCC source directory and ``PREFIX`` (installation directory like ``/usr/local`` or ``/opt/ghdl``). -* Next, invoke ``make`` to copy GHDL sources in the source directory. -* Then, configure GCC. The list of ``--disable`` configure options can be adjusted to your needs. GHDL does not require all these optional libraries and disabling them will speed-up the build. +* First configure GHDL, specify GCC source directory and installation prefix + (like ``/usr/local`` or ``/opt/ghdl``). + +* Next, invoke ``make copy-sources`` to copy GHDL sources in the source + directory. + +* Then, configure GCC. The list of ``--disable`` configure options can be + adjusted to your needs. GHDL does not require all these optional libraries + and disabling them will speed-up the build. * Now, build and install GCC with ``make``. @@ -20,7 +26,7 @@ GCC Backend on GNU/Linux with GCC/GNAT $ cd <ghdl> $ mkdir build $ cd build - $ ../configure --with-gcc=/path/to/gcc/source/dir --prefix=PREFIX + $ ../configure --with-gcc=/path/to/gcc/source/dir --prefix=/usr/local $ make copy-sources $ mkdir gcc-objs; cd gcc-objs $ /path/to/gcc/source/dir/configure --prefix=/usr/local --enable-languages=c,vhdl \ @@ -31,8 +37,8 @@ GCC Backend on GNU/Linux with GCC/GNAT $ make ghdllib $ make install -.. HINT:: Note that the prefix directory must be the same as the one used to configure GHDL. If you have manually built ``gmp``/``mpfr``/``mpc`` (without using the script in ``contrib``) and if you have installed them in a non-standard directory, you may need to add ``--with-gmp=GMP_INSTALL_DIR``. +.. HINT:: Note that the prefix directory to configure ``gcc`` must be the same as the one used to configure GHDL. If you have manually built ``gmp``/``mpfr``/``mpc`` (without using the script in ``contrib``) and if you have installed them in a non-standard directory, you may need to add ``--with-gmp=GMP_INSTALL_DIR``. .. HINT:: If your system gcc was configured with ``--enable-default-pie`` (check if that option appears in the output of ``gcc -v``), you should also add it. -.. HINT:: If you don't want to install ``makeinfo``, do ``make install MAKEINFO=false`` instead. +.. HINT:: If you don't want to install ``makeinfo``, do ``make install MAKEINFO=true`` instead. |