diff --git a/libc-test/build.rs b/libc-test/build.rs
index 89ca488a9440591f1ce3f0c193468fb0866bd76b..d3d35614e70718bd74c315aec2d95315c8bff128 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -1088,7 +1088,7 @@ fn test_openbsd(target: &str) {
         (struct_ == "siginfo_t" && field == "si_addr")
     });
 
-    cfg.generate("../src/lib.rs", "linux_fcntl.rs");
+    cfg.generate("../src/lib.rs", "main.rs");
 }
 
 fn test_windows(target: &str) {
diff --git a/src/unix/bsd/netbsdlike/openbsdlike/bitrig/mod.rs b/src/unix/bsd/netbsdlike/openbsdlike/bitrig/mod.rs
index 5cabac5499c4a23967388ebc50cf0139aea1d83f..f73d7de7b2f0426c78ab055fa6de43ec5ff77964 100644
--- a/src/unix/bsd/netbsdlike/openbsdlike/bitrig/mod.rs
+++ b/src/unix/bsd/netbsdlike/openbsdlike/bitrig/mod.rs
@@ -98,6 +98,7 @@ pub const IFF_LINK1: ::c_int = 0x2000; // per link layer defined bit
 pub const IFF_LINK2: ::c_int = 0x4000; // per link layer defined bit
 pub const IFF_MULTICAST: ::c_int = 0x8000; // supports multicast
 
+pub const PTHREAD_STACK_MIN : ::size_t = 2048;
 pub const SIGSTKSZ : ::size_t = 40960;
 
 pub const PT_FIRSTMACH: ::c_int = 32;
diff --git a/src/unix/bsd/netbsdlike/openbsdlike/mod.rs b/src/unix/bsd/netbsdlike/openbsdlike/mod.rs
index c94ad15a8d50d1e0eb1fe379514a0e1361074b24..cf9dc8f5517b12cf553016ec26102a4c9678beba 100644
--- a/src/unix/bsd/netbsdlike/openbsdlike/mod.rs
+++ b/src/unix/bsd/netbsdlike/openbsdlike/mod.rs
@@ -399,8 +399,6 @@ pub const O_RSYNC: ::c_int = O_SYNC;
 pub const MS_SYNC : ::c_int = 0x0002;
 pub const MS_INVALIDATE : ::c_int = 0x0004;
 
-pub const PTHREAD_STACK_MIN : ::size_t = 2048;
-
 pub const POLLNORM: ::c_short = ::POLLRDNORM;
 
 pub const ENOATTR : ::c_int = 83;
diff --git a/src/unix/bsd/netbsdlike/openbsdlike/openbsd/mod.rs b/src/unix/bsd/netbsdlike/openbsdlike/openbsd/mod.rs
index 435523f10984b697d0733b90634d84598a405ba6..c1687111b707cf84fbe3d3a0b22cd5f6a8ba0c2e 100644
--- a/src/unix/bsd/netbsdlike/openbsdlike/openbsd/mod.rs
+++ b/src/unix/bsd/netbsdlike/openbsdlike/openbsd/mod.rs
@@ -403,6 +403,7 @@ pub const IFF_LINK1: ::c_int = 0x2000; // per link layer defined bit
 pub const IFF_LINK2: ::c_int = 0x4000; // per link layer defined bit
 pub const IFF_MULTICAST: ::c_int = 0x8000; // supports multicast
 
+pub const PTHREAD_STACK_MIN : ::size_t = 4096;
 pub const SIGSTKSZ : ::size_t = 28672;
 
 pub const PT_FIRSTMACH: ::c_int = 32;