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| author | Kito Cheng <kito.cheng@gmail.com> | 2016-12-14 15:31:26 +0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@dabbelt.com> | 2016-12-14 10:10:12 -0800 |
| commit | da9b0098394ca6a3bd10532addb1a63f7cc82a94 (patch) | |
| tree | 728c72ba82a10f1f5c1a4ddfb02d127e1b00cf81 /configure.ac | |
| parent | f670e2f5c6c50730fc60abefa60c48e1443af2c8 (diff) | |
| download | riscv-gnu-toolchain-da9b0098394ca6a3bd10532addb1a63f7cc82a94.zip riscv-gnu-toolchain-da9b0098394ca6a3bd10532addb1a63f7cc82a94.tar.gz riscv-gnu-toolchain-da9b0098394ca6a3bd10532addb1a63f7cc82a94.tar.bz2 | |
Auto detect default value for --with-abi if not given
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index 09edddf..2869f83 100644 --- a/configure.ac +++ b/configure.ac @@ -67,10 +67,23 @@ AC_ARG_WITH(arch, AC_ARG_WITH(abi, [AS_HELP_STRING([--with-abi=lp64d], [Sets the base RISC-V ABI, defaults to lp64d])], - AC_SUBST(WITH_ABI, --with-abi=$withval), - AC_SUBST(WITH_ABI, --with-abi=lp64d) + [], + [with_abi=default] ) +AS_IF([test "x$with_abi" == xdefault], + [AS_CASE([$with_arch], + [*rv64g | *rv64*d*], [with_abi=lp64d], + [*rv64*f*], [with_abi=lp64f], + [*rv64*], [with_abi=lp64], + [*rv32g | *rv32*d*], [with_abi=ilp32d], + [*rv32*f*], [with_abi=ilp32f], + [*rv32*], [with_abi=ilp32], + [AC_MSG_ERROR([Unknown arch])] + )]) + +AC_SUBST(WITH_ABI, --with-abi=$with_abi) + AC_ARG_ENABLE(multilib, [AS_HELP_STRING([--enable-multilib], [build both RV32 and RV64 runtime libraries @<:@--disable-multilib@:>@])], |