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-rw-r--r--make/custom/Linux-posix.cfg4
1 files changed, 1 insertions, 3 deletions
diff --git a/make/custom/Linux-posix.cfg b/make/custom/Linux-posix.cfg
index 96f87740ef..6a4b26e6a3 100644
--- a/make/custom/Linux-posix.cfg
+++ b/make/custom/Linux-posix.cfg
@@ -14,9 +14,7 @@ RTEMS_BSP_FAMILY=posix
include $(RTEMS_ROOT)/make/custom/default.cfg
-LIBC_DEFINES =-D_POSIX_C_SOURCE
-
-CPU_CFLAGS = -D_BSD_SOURCE
+CPU_CFLAGS = -D_BSD_SOURCE -D_POSIX_C_SOURCE
# optimize flag: typically -0, could use -O4 or -fast
# -O4 is ok for RTEMS