diff options
| -rw-r--r-- | config/libc/newlib.in.2 | 10 | ||||
| -rw-r--r-- | scripts/build/libc/newlib.sh | 5 |
2 files changed, 15 insertions, 0 deletions
diff --git a/config/libc/newlib.in.2 b/config/libc/newlib.in.2 index 914802f..fd2a68b 100644 --- a/config/libc/newlib.in.2 +++ b/config/libc/newlib.in.2 @@ -25,3 +25,13 @@ config LIBC_NEWLIB_IO_LDBL depends on LIBC_NEWLIB_IO_FLOAT help Enable support for IOs on long doubles. + +config LIBC_NEWLIB_DISABLE_SUPPLIED_SYSCALLS + bool + prompt "Disable the syscalls supplied with newlib" + help + Disable the syscalls that come with newlib. You + will have to implement your own _sbrk, _read, + _write... If you plan to port newlib to a new + platform/board, say Yes. + diff --git a/scripts/build/libc/newlib.sh b/scripts/build/libc/newlib.sh index 012f39c..289c4df 100644 --- a/scripts/build/libc/newlib.sh +++ b/scripts/build/libc/newlib.sh @@ -79,6 +79,11 @@ do_libc_start_files() { newlib_opts+=( "--disable-newlib-io-float" ) newlib_opts+=( "--disable-newlib-io-long-double" ) fi + if [ "${CT_LIBC_NEWLIB_DISABLE_SUPPLIED_SYSCALLS}" = "y" ]; then + newlib_opts+=( "--disable-newlib-supplied-syscalls" ) + else + newlib_opts+=( "--enable-newlib-supplied-syscalls" ) + fi # Note: newlib handles the build/host/target a little bit differently # than one would expect: |