4 files changed, 8 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/getresgid.c b/libc/sysdeps/linux/common/getresgid.c
index 158a8984f..bc19b97ea 100644
--- a/libc/sysdeps/linux/common/getresgid.c
+++ b/libc/sysdeps/linux/common/getresgid.c
@@ -8,6 +8,7 @@
  */
 
 #include "syscalls.h"
+#ifdef __USE_GNU
 #include <unistd.h>
 
 #if defined(__NR_getresgid32)
@@ -34,3 +35,4 @@ int getresgid(gid_t * rgid, gid_t * egid, gid_t * sgid)
 	return result;
 }
 #endif
+#endif
diff --git a/libc/sysdeps/linux/common/getresuid.c b/libc/sysdeps/linux/common/getresuid.c
index 7f0e0f2b0..b8d1788f6 100644
--- a/libc/sysdeps/linux/common/getresuid.c
+++ b/libc/sysdeps/linux/common/getresuid.c
@@ -8,6 +8,7 @@
  */
 
 #include "syscalls.h"
+#ifdef __USE_GNU
 #include <unistd.h>
 
 #if defined(__NR_getresuid32)
@@ -34,3 +35,4 @@ int getresuid(uid_t * ruid, uid_t * euid, uid_t * suid)
 	return result;
 }
 #endif
+#endif
diff --git a/libc/sysdeps/linux/common/setresgid.c b/libc/sysdeps/linux/common/setresgid.c
index 51bc5e2a8..07959e4af 100644
--- a/libc/sysdeps/linux/common/setresgid.c
+++ b/libc/sysdeps/linux/common/setresgid.c
@@ -8,6 +8,7 @@
  */
 
 #include "syscalls.h"
+#ifdef __USE_GNU
 #include <unistd.h>
 
 libc_hidden_proto(setresgid)
@@ -35,3 +36,4 @@ int setresgid(gid_t rgid, gid_t egid, gid_t sgid)
 #endif
 
 libc_hidden_def(setresgid)
+#endif
diff --git a/libc/sysdeps/linux/common/setresuid.c b/libc/sysdeps/linux/common/setresuid.c
index 2d8122349..1249611a9 100644
--- a/libc/sysdeps/linux/common/setresuid.c
+++ b/libc/sysdeps/linux/common/setresuid.c
@@ -8,6 +8,7 @@
  */
 
 #include "syscalls.h"
+#ifdef __USE_GNU
 #include <unistd.h>
 
 libc_hidden_proto(setresuid)
@@ -35,3 +36,4 @@ int setresuid(uid_t ruid, uid_t euid, uid_t suid)
 #endif
 
 libc_hidden_def(setresuid)
+#endif