Add Initial platform support for Haiku. (swiftlang#11583)

Author: return

CMakeLists.txt

@@ -170,10 +170,10 @@ set(SWIFT_ANDROID_DEPLOY_DEVICE_PATH "" CACHE STRING
   "Path on an Android device where build products will be pushed. These are used when running the test suite against the device")
 
 #
-# User-configurable ICU specific options for Android, FreeBSD, Linux.
+# User-configurable ICU specific options for Android, FreeBSD, Linux and Haiku.
 #
 
-foreach(sdk ANDROID;FREEBSD;LINUX;WINDOWS)
+foreach(sdk ANDROID;FREEBSD;LINUX;WINDOWS;HAIKU)
   set(SWIFT_${sdk}_ICU_UC "" CACHE STRING
       "Path to a directory containing the icuuc library for ${sdk}")
   set(SWIFT_${sdk}_ICU_UC_INCLUDE "" CACHE STRING
@@ -536,6 +536,8 @@ else()
     set(SWIFT_HOST_VARIANT_SDK_default "CYGWIN")
   elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Windows")
     set(SWIFT_HOST_VARIANT_SDK_default "WINDOWS")
+  elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Haiku")
+    set(SWIFT_HOST_VARIANT_SDK_default "HAIKU")
   elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
     set(SWIFT_HOST_VARIANT_SDK_default "OSX")
   else()
@@ -677,6 +679,16 @@ elseif("${SWIFT_HOST_VARIANT_SDK}" STREQUAL "WINDOWS")
   set(SWIFT_PRIMARY_VARIANT_SDK_default  "${SWIFT_HOST_VARIANT_SDK}")
   set(SWIFT_PRIMARY_VARIANT_ARCH_default "${SWIFT_HOST_VARIANT_ARCH}")
 
+elseif("${SWIFT_HOST_VARIANT_SDK}" STREQUAL "HAIKU")
+
+  set(CMAKE_EXECUTABLE_FORMAT "ELF")
+  set(SWIFT_HOST_VARIANT "haiku" CACHE STRING
+      "Deployment OS for Swift host tools (the compiler) [haiku].")
+
+  configure_sdk_unix(HAIKU "Haiku" "haiku" "haiku" "x86_64" "x86_64-unknown-haiku" "/")
+  set(SWIFT_PRIMARY_VARIANT_SDK_default  "${SWIFT_HOST_VARIANT_SDK}")
+  set(SWIFT_PRIMARY_VARIANT_ARCH_default "x86_64")
+
 elseif("${SWIFT_HOST_VARIANT_SDK}" MATCHES "(OSX|IOS*|TVOS*|WATCHOS*)")
 
   set(SWIFT_HOST_VARIANT "macosx" CACHE STRING

cmake/modules/AddSwift.cmake

@@ -354,6 +354,8 @@ function(_add_variant_link_flags)
       # options. This causes conflicts.
       list(APPEND result "-nostdlib")
     endif()
+  elseif("${LFLAGS_SDK}" STREQUAL "HAIKU")
+    list(APPEND result "-lbsd" "-latomic" "-Wl,-Bsymbolic")
   elseif("${LFLAGS_SDK}" STREQUAL "ANDROID")
     list(APPEND result
         "-ldl" "-llog" "-latomic" "-licudataswift" "-licui18nswift" "-licuucswift"
@@ -1265,6 +1267,9 @@ endfunction()
 # SWIFT_MODULE_DEPENDS_CYGWIN
 #   Swift modules this library depends on when built for Cygwin.
 #
+# SWIFT_MODULE_DEPENDS_HAIKU
+#   Swift modules this library depends on when built for Haiku.
+#
 # FRAMEWORK_DEPENDS
 #   System frameworks this library depends on.
 #
@@ -1338,7 +1343,7 @@ function(add_swift_library name)
   cmake_parse_arguments(SWIFTLIB
     "${SWIFTLIB_options}"
     "INSTALL_IN_COMPONENT;DEPLOYMENT_VERSION_OSX;DEPLOYMENT_VERSION_IOS;DEPLOYMENT_VERSION_TVOS;DEPLOYMENT_VERSION_WATCHOS"
-    "DEPENDS;LINK_LIBRARIES;SWIFT_MODULE_DEPENDS;SWIFT_MODULE_DEPENDS_OSX;SWIFT_MODULE_DEPENDS_IOS;SWIFT_MODULE_DEPENDS_TVOS;SWIFT_MODULE_DEPENDS_WATCHOS;SWIFT_MODULE_DEPENDS_FREEBSD;SWIFT_MODULE_DEPENDS_LINUX;SWIFT_MODULE_DEPENDS_CYGWIN;FRAMEWORK_DEPENDS;FRAMEWORK_DEPENDS_WEAK;FRAMEWORK_DEPENDS_OSX;FRAMEWORK_DEPENDS_IOS_TVOS;LLVM_COMPONENT_DEPENDS;FILE_DEPENDS;TARGET_SDKS;C_COMPILE_FLAGS;SWIFT_COMPILE_FLAGS;SWIFT_COMPILE_FLAGS_OSX;SWIFT_COMPILE_FLAGS_IOS;SWIFT_COMPILE_FLAGS_TVOS;SWIFT_COMPILE_FLAGS_WATCHOS;LINK_FLAGS;PRIVATE_LINK_LIBRARIES;INTERFACE_LINK_LIBRARIES;INCORPORATE_OBJECT_LIBRARIES;INCORPORATE_OBJECT_LIBRARIES_SHARED_ONLY"
+    "DEPENDS;LINK_LIBRARIES;SWIFT_MODULE_DEPENDS;SWIFT_MODULE_DEPENDS_OSX;SWIFT_MODULE_DEPENDS_IOS;SWIFT_MODULE_DEPENDS_TVOS;SWIFT_MODULE_DEPENDS_WATCHOS;SWIFT_MODULE_DEPENDS_FREEBSD;SWIFT_MODULE_DEPENDS_LINUX;SWIFT_MODULE_DEPENDS_CYGWIN;SWIFT_MODULE_DEPENDS_HAIKU;FRAMEWORK_DEPENDS;FRAMEWORK_DEPENDS_WEAK;FRAMEWORK_DEPENDS_OSX;FRAMEWORK_DEPENDS_IOS_TVOS;LLVM_COMPONENT_DEPENDS;FILE_DEPENDS;TARGET_SDKS;C_COMPILE_FLAGS;SWIFT_COMPILE_FLAGS;SWIFT_COMPILE_FLAGS_OSX;SWIFT_COMPILE_FLAGS_IOS;SWIFT_COMPILE_FLAGS_TVOS;SWIFT_COMPILE_FLAGS_WATCHOS;LINK_FLAGS;PRIVATE_LINK_LIBRARIES;INTERFACE_LINK_LIBRARIES;INCORPORATE_OBJECT_LIBRARIES;INCORPORATE_OBJECT_LIBRARIES_SHARED_ONLY"
     ${ARGN})
   set(SWIFTLIB_SOURCES ${SWIFTLIB_UNPARSED_ARGUMENTS})
 
@@ -1369,7 +1374,7 @@ function(add_swift_library name)
   if("${SWIFTLIB_TARGET_SDKS}" STREQUAL "")
     set(SWIFTLIB_TARGET_SDKS ${SWIFT_SDKS})
   endif()
-  list_replace(SWIFTLIB_TARGET_SDKS ALL_POSIX_PLATFORMS "ALL_APPLE_PLATFORMS;ANDROID;CYGWIN;FREEBSD;LINUX")
+  list_replace(SWIFTLIB_TARGET_SDKS ALL_POSIX_PLATFORMS "ALL_APPLE_PLATFORMS;ANDROID;CYGWIN;FREEBSD;LINUX;HAIKU")
   list_replace(SWIFTLIB_TARGET_SDKS ALL_APPLE_PLATFORMS "${SWIFT_APPLE_PLATFORMS}")
 
   # All Swift code depends on the standard library, except for the standard
@@ -1479,6 +1484,9 @@ function(add_swift_library name)
         elseif("${sdk}" STREQUAL "CYGWIN")
           list(APPEND swiftlib_module_depends_flattened
                ${SWIFTLIB_SWIFT_MODULE_DEPENDS_CYGWIN})
+        elseif("${sdk}" STREQUAL "HAIKU")
+          list(APPEND swiftlib_module_depends_flattened
+               ${SWIFTLIB_SWIFT_MODULE_DEPENDS_HAIKU})
         endif()
 
         # Swift compiles depend on swift modules, while links depend on

cmake/modules/FindICU.cmake

@@ -31,7 +31,7 @@ foreach(MODULE ${ICU_FIND_COMPONENTS})
   endif()
 endforeach()
 
-foreach(sdk ANDROID;FREEBSD;LINUX;WINDOWS)
+foreach(sdk ANDROID;FREEBSD;LINUX;WINDOWS;HAIKU)
   foreach(MODULE ${ICU_FIND_COMPONENTS})
     string(TOUPPER "${MODULE}" MODULE)
     if("${SWIFT_${sdk}_ICU_${MODULE}_INCLUDE}" STREQUAL "")

include/swift/Basic/LangOptions.h

@@ -268,7 +268,8 @@ namespace swift {
         Target.getOSVersion(major, minor, revision);
       } else if (Target.isOSLinux() || Target.isOSFreeBSD() ||
                  Target.isAndroid() || Target.isOSWindows() ||
-                 Target.isPS4() || Target.getTriple().empty()) {
+                 Target.isPS4() || Target.isOSHaiku() ||
+                 Target.getTriple().empty()) {
         major = minor = revision = 0;
       } else {
         llvm_unreachable("Unsupported target OS");

include/swift/Runtime/Concurrent.h

@@ -17,7 +17,7 @@
 #include <stdint.h>
 #include "llvm/Support/Allocator.h"
 
-#if defined(__FreeBSD__) || defined(__CYGWIN__)
+#if defined(__FreeBSD__) || defined(__CYGWIN__) || defined(__HAIKU__)
 #include <stdio.h>
 #endif
 

include/swift/Runtime/Mutex.h

@@ -20,7 +20,7 @@
 
 #include <type_traits>
 
-#if (defined(__APPLE__) || defined(__linux__) || defined(__CYGWIN__) || defined(__FreeBSD__))
+#if (defined(__APPLE__) || defined(__linux__) || defined(__CYGWIN__) || defined(__FreeBSD__) || defined(__HAIKU__))
 #include "swift/Runtime/MutexPThread.h"
 #elif defined(_WIN32)
 #include "swift/Runtime/MutexWin32.h"

include/swift/Runtime/MutexPThread.h

@@ -26,7 +26,7 @@ typedef pthread_cond_t ConditionHandle;
 typedef pthread_mutex_t MutexHandle;
 typedef pthread_rwlock_t ReadWriteLockHandle;
 
-#if defined(__CYGWIN__) || defined(__ANDROID__)
+#if defined(__CYGWIN__) || defined(__ANDROID__) || defined(__HAIKU__)
 // At the moment CYGWIN pthreads implementation doesn't support the use of
 // constexpr for static allocation versions. The way they define things
 // results in a reinterpret_cast which violates constexpr. Similarly, Android's

lib/Basic/LangOptions.cpp

@@ -37,6 +37,7 @@ static const StringRef SupportedConditionalCompilationOSs[] = {
   "Android",
   "PS4",
   "Cygwin",
+  "Haiku",
 };
 
 static const StringRef SupportedConditionalCompilationArches[] = {
@@ -181,6 +182,8 @@ std::pair<bool, bool> LangOptions::setTarget(llvm::Triple triple) {
     addPlatformConditionValue(PlatformConditionKind::OS, "Cygwin");
   else if (triple.isPS4())
     addPlatformConditionValue(PlatformConditionKind::OS, "PS4");
+  else if (triple.isOSHaiku())
+    addPlatformConditionValue(PlatformConditionKind::OS, "Haiku");
   else
     UnsupportedOS = true;
 

lib/Basic/Platform.cpp

@@ -97,7 +97,6 @@ StringRef swift::getPlatformNameForTriple(const llvm::Triple &triple) {
   case llvm::Triple::NetBSD:
   case llvm::Triple::OpenBSD:
   case llvm::Triple::Solaris:
-  case llvm::Triple::Haiku:
   case llvm::Triple::Minix:
   case llvm::Triple::RTEMS:
   case llvm::Triple::NaCl:
@@ -135,6 +134,8 @@ StringRef swift::getPlatformNameForTriple(const llvm::Triple &triple) {
     }
   case llvm::Triple::PS4:
     return "ps4";
+  case llvm::Triple::Haiku:
+    return "haiku";
   }
   llvm_unreachable("unsupported OS");
 }

lib/Basic/Statistic.cpp

@@ -32,7 +32,7 @@ using namespace llvm::sys;
 
 static size_t
 getChildrenMaxResidentSetSize() {
-#if defined(HAVE_GETRUSAGE)
+#if defined(HAVE_GETRUSAGE) && !defined(__HAIKU__)
   struct rusage RU;
   ::getrusage(RUSAGE_CHILDREN, &RU);
   return RU.ru_maxrss;