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| author | Jim Wilson <jimw@sifive.com> | 2019-09-05 14:20:04 -0700 |
|---|---|---|
| committer | Jim Wilson <jimw@sifive.com> | 2019-09-05 14:20:04 -0700 |
| commit | 2983b879ad6e804379a0e0f400af7c5ef1626119 (patch) | |
| tree | 5228904c4a7744ff822047a125b40f4e30e6cfe5 /README.md | |
| parent | a03290eab661e2aa58288ad164f908bbbcc2169c (diff) | |
| download | riscv-gnu-toolchain-2983b879ad6e804379a0e0f400af7c5ef1626119.zip riscv-gnu-toolchain-2983b879ad6e804379a0e0f400af7c5ef1626119.tar.gz riscv-gnu-toolchain-2983b879ad6e804379a0e0f400af7c5ef1626119.tar.bz2 | |
Document problems with using same prefix for more than one build.
Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 12 |
1 files changed, 12 insertions, 0 deletions
@@ -90,6 +90,18 @@ To build the Linux cross-compiler with support for both 32-bit and The multilib compiler will have the prefix riscv64-unknown-linux-gnu-, but will be able to target both 32-bit and 64-bit systems. +### Troubleshooting Build Problems + +Builds work best if installing into an empty directory. If you build a +hard-float toolchain and then try to build a soft-float toolchain with +the same --prefix directory, then the build scripts may get confused +and exit with a linker error complaining that hard float code can't be +linked with soft float code. Removing the existing toolchain first, or +using a different prefix for the second build, avoids the problem. It +is OK to build one newlib and one linux toolchain with the same prefix. +But you should avoid building two newlib or two linux toolchains with +the same prefix. + ### Advanced Options There are a number of additional options that may be passed to |