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-rw-r--r--config/libc/newlib.in.27
-rw-r--r--scripts/build/libc/newlib.sh5
2 files changed, 12 insertions, 0 deletions
diff --git a/config/libc/newlib.in.2 b/config/libc/newlib.in.2
index 66b0275..ee483bd 100644
--- a/config/libc/newlib.in.2
+++ b/config/libc/newlib.in.2
@@ -1,5 +1,12 @@
# newlib second-part options
+config LIBC_NEWLIB_IO_C99FMT
+ bool
+ prompt "Enable IOs on C99 formats"
+ default n
+ help
+ Enable support for IOs on C99 formats.
+
config LIBC_NEWLIB_IO_LL
bool
prompt "Enable IOs on long long"
diff --git a/scripts/build/libc/newlib.sh b/scripts/build/libc/newlib.sh
index 65a666e..0593a66 100644
--- a/scripts/build/libc/newlib.sh
+++ b/scripts/build/libc/newlib.sh
@@ -68,6 +68,11 @@ do_libc_start_files() {
CT_DoLog EXTRA "Configuring C library"
+ if [ "${CT_LIBC_NEWLIB_IO_C99FMT}" = "y" ]; then
+ newlib_opts+=( "--enable-newlib-io-c99-formats" )
+ else
+ newlib_opts+=( "--disable-newlib-io-c99-formats" )
+ fi
if [ "${CT_LIBC_NEWLIB_IO_LL}" = "y" ]; then
newlib_opts+=( "--enable-newlib-io-long-long" )
else