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| author | Palmer Dabbelt <palmer.dabbelt@eecs.berkeley.edu> | 2015-03-03 11:07:51 -0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmer.dabbelt@eecs.berkeley.edu> | 2015-03-03 12:00:44 -0800 |
| commit | c7ce3794605d2472e5841c40b01beb1d5f51a73b (patch) | |
| tree | 2f3502b9485c03b60fec8b76a13e4c787cace632 /configure.ac | |
| parent | a55f252d1090e02878bef8132d91b2b3290c105f (diff) | |
| download | riscv-gnu-toolchain-c7ce3794605d2472e5841c40b01beb1d5f51a73b.zip riscv-gnu-toolchain-c7ce3794605d2472e5841c40b01beb1d5f51a73b.tar.gz riscv-gnu-toolchain-c7ce3794605d2472e5841c40b01beb1d5f51a73b.tar.bz2 | |
Add "--with-xlen" to autoconf
This allows users to set the register bitwidth via an autoconf option
rather than an environment variable.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 6bc2458..185239f 100644 --- a/configure.ac +++ b/configure.ac @@ -47,6 +47,13 @@ AS_IF([test "x$enable_linux" != xno], [AC_SUBST(default_target, linux)], [AC_SUBST(default_target, newlib)]) +AC_ARG_WITH(xlen, + [AS_HELP_STRING([--with-xlen=XLEN], + [Set XLEN, the X-register bit width (default is 64)])], + AC_SUBST(XLEN, $withval), + AC_SUBST(XLEN, 64) + ) + AC_CONFIG_FILES([Makefile]) AC_CONFIG_FILES([scripts/wrapper/awk], [chmod +x scripts/wrapper/awk]) AC_CONFIG_FILES([scripts/wrapper/sed], [chmod +x scripts/wrapper/sed]) |