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Diffstat (limited to 'sysdeps/unix/sysv/linux/bits/posix_opt.h')
-rw-r--r--sysdeps/unix/sysv/linux/bits/posix_opt.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/posix_opt.h b/sysdeps/unix/sysv/linux/bits/posix_opt.h
index 558140b9cc..ae83e24155 100644
--- a/sysdeps/unix/sysv/linux/bits/posix_opt.h
+++ b/sysdeps/unix/sysv/linux/bits/posix_opt.h
@@ -87,4 +87,10 @@
/* POSIX shared memory objects are implemented. */
#define _POSIX_SHARED_MEMORY_OBJECTS 1
+/* GNU libc provides regular expression handling. */
+#define _POSIX_REGEXP 1
+
+/* We have a POSIX shell. */
+#define _POSIX_SHELL 1
+
#endif /* bits/posix_opt.h */