SERVER-30914: Repair basic builds on OpenBSD

SConstruct

@@ -1368,7 +1368,7 @@ if env['_LIBDEPS'] == '$_LIBDEPS_LIBS':
     # toolchain, or may be using it for the archiver but not the
     # linker, and binutils currently is the olny thing that supports
     # thin archives. Don't even try on those platforms.
-    if not env.TargetOSIs('solaris', 'darwin', 'windows'):
+    if not env.TargetOSIs('solaris', 'darwin', 'windows', 'openbsd'):
         env.Tool('thin_archive')
 
 if env.TargetOSIs('linux', 'freebsd', 'openbsd'):

src/mongo/crypto/sha_block_openssl.cpp

@@ -44,7 +44,7 @@
 #include <openssl/hmac.h>
 #include <openssl/sha.h>
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
 namespace {
 // Copies of OpenSSL after 1.1.0 define new EVP digest routines. We must
 // polyfill used definitions to interact with older OpenSSL versions.

src/mongo/platform/stack_locator_openbsd.cpp

@@ -30,6 +30,7 @@
 
 #include "mongo/platform/stack_locator.h"
 
+#include <pthread.h>
 #include <pthread_np.h>
 #include <sys/signal.h>
 

src/mongo/util/net/ssl_manager.cpp

@@ -227,7 +227,7 @@ IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(ASN1_SEQUENCE_ANY, ASN1_SET_ANY, ASN
 #endif // MONGO_CONFIG_NEEDS_ASN1_ANY_DEFINITIONS
 // clang-format on
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
 // Copies of OpenSSL after 1.1.0 define new functions for interaction with
 // X509 structure. We must polyfill used definitions to interact with older
 // OpenSSL versions.

src/mongo/util/processinfo_openbsd.cpp

@@ -208,4 +208,12 @@ bool ProcessInfo::pagesInMemory(const void* start, size_t numPages, vector<char>
     }
     return true;
 }
+
+// get the number of CPUs available to the scheduler
+boost::optional<unsigned long> ProcessInfo::getNumAvailableCores() {
+    long nprocs = sysconf(_SC_NPROCESSORS_ONLN);
+    if (nprocs)
+        return nprocs;
+    return boost::none;
+}
 }

src/third_party/IntelRDFPMathLib20U1/LIBRARY/src/bid_functions.h

@@ -112,7 +112,7 @@ typedef BID_UINT128 _Quad;
   #define SQRT80 sqrtl
 #else
   #define BINARY80 __float80
-  //#define BINARY128 __float128 
+  //#define BINARY128 __float128
   #define BINARY128 BID_UINT128
   #define SQRT80 sqrtw
 #endif
@@ -159,7 +159,7 @@ typedef unsigned    long fexcept_t;
 typedef unsigned bid__int64 fexcept_t;
 #endif
 #else
-#ifdef __QNX__
+#if defined(__QNX__) || defined(__OpenBSD__)
 #include <fenv.h>
 #else
 typedef unsigned short int fexcept_t;