Some trivial OpenBSD-related fixes (#1113)

absl/base/config.h

@@ -414,7 +414,7 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' ||
     defined(_AIX) || defined(__ros__) || defined(__native_client__) ||    \
     defined(__asmjs__) || defined(__wasm__) || defined(__Fuchsia__) ||    \
     defined(__sun) || defined(__ASYLO__) || defined(__myriad2__) ||       \
-    defined(__HAIKU__)
+    defined(__HAIKU__) || defined(__OpenBSD__)
 #define ABSL_HAVE_MMAP 1
 #endif
 
@@ -425,7 +425,7 @@ static_assert(ABSL_INTERNAL_INLINE_NAMESPACE_STR[0] != 'h' ||
 #ifdef ABSL_HAVE_PTHREAD_GETSCHEDPARAM
 #error ABSL_HAVE_PTHREAD_GETSCHEDPARAM cannot be directly set
 #elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || \
-    defined(_AIX) || defined(__ros__)
+    defined(_AIX) || defined(__ros__) || defined(__OpenBSD__)
 #define ABSL_HAVE_PTHREAD_GETSCHEDPARAM 1
 #endif
 

absl/base/internal/raw_logging.cc

@@ -36,8 +36,8 @@
 // This preprocessor token is also defined in raw_io.cc.  If you need to copy
 // this, consider moving both to config.h instead.
 #if defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || \
-    defined(__Fuchsia__) || defined(__native_client__) || \
-    defined(__EMSCRIPTEN__) || defined(__ASYLO__)
+    defined(__Fuchsia__) || defined(__native_client__) ||               \
+    defined(__OpenBSD__) || defined(__EMSCRIPTEN__) || defined(__ASYLO__)
 
 #include <unistd.h>
 
@@ -50,7 +50,8 @@
 // ABSL_HAVE_SYSCALL_WRITE is defined when the platform provides the syscall
 //   syscall(SYS_write, /*int*/ fd, /*char* */ buf, /*size_t*/ len);
 // for low level operations that want to avoid libc.
-#if (defined(__linux__) || defined(__FreeBSD__)) && !defined(__ANDROID__)
+#if (defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__)) && \
+    !defined(__ANDROID__)
 #include <sys/syscall.h>
 #define ABSL_HAVE_SYSCALL_WRITE 1
 #define ABSL_LOW_LEVEL_WRITE_SUPPORTED 1

absl/debugging/internal/elf_mem_image.h

@@ -31,8 +31,8 @@
 #error ABSL_HAVE_ELF_MEM_IMAGE cannot be directly set
 #endif
 
-#if defined(__ELF__) && !defined(__native_client__) && !defined(__asmjs__) && \
-    !defined(__wasm__)
+#if defined(__ELF__) && !defined(__OpenBSD__) && \
+    !defined(__native_client__) && !defined(__asmjs__) && !defined(__wasm__)
 #define ABSL_HAVE_ELF_MEM_IMAGE 1
 #endif