diff options
Diffstat (limited to 'BUILD.txt')
| -rw-r--r-- | BUILD.txt | 17 |
1 files changed, 12 insertions, 5 deletions
@@ -52,8 +52,9 @@ Building with the gcc backend You need to download and untar the sources of gcc version 4.9 [do not modify this line as this is read by scripts]. -First configure ghdl and specify gcc source dir: -$ ./configure --with-gcc=/path/to/gcc/source/dir +First configure ghdl, specify gcc source dir and prefix. +(replace /usr/local by your prefix directory): +$ ./configure --with-gcc=/path/to/gcc/source/dir --prefix=/usr/local Then invoke make to copy ghdl sources in the source dir: $ make copy-sources @@ -74,18 +75,24 @@ $ make; make install Then configure gcc. The list of --disable configure options could be adjusted for your needs. GHDL don't require all these optional -libraries and disabling them speed-up the build. +libraries and disabling them speed-up the build. Note the prefix +directory must be the same as the one used to configure ghdl. $ mkdir gcc-objs; cd gcc-objs $ ../gcc-4.9.3/configure --prefix=/usr/local --enable-languages=c,vhdl \ --disable-bootstrap --with-gmp=/usr/local --disable-lto --disable-multilib \ --disable-libssp --disable-libgomp --disable-libquadmath $ make -j2 -Finally install: +Install gcc: $ make install or if you don't want to install makeinfo: $ make install MAKEINFO=true +Build and install vhdl libraries: +$ cd .. +$ make ghdllib +$ make install + Building with the llvm backend ****************************** @@ -114,7 +121,7 @@ Once gcc (with ghdl) has been built once, it is possible to work on ghdl sources tree without copying them in gcc tree. Commands are: $ make ghdl1-gcc # To build the compiler $ make ghdl_gcc # To build the driver -$ make libs.vhdl.gcc # To compile the vhdl libraries +$ make libs.vhdl.local_gcc # To compile the vhdl libraries $ make grt-all # To build the ghdl runtime $ make grt.links # To locally install the ghdl runtime TODO: gcc object dir |