From 4906eec24a186f2441aaa5e6865659ae0b61be1a Mon Sep 17 00:00:00 2001
From: Greg Hewgill <greg@hewgill.com>
Date: Thu, 22 Feb 2024 20:10:34 +1300
Subject: [PATCH] Add some support for NetBSD

---
 CMakeLists.txt           |  4 ++--
 exec/cnex/CMakeLists.txt |  5 ++++-
 external/libbid.cmake    | 18 +++++++++++++++++-
 external/minizip.cmake   |  2 +-
 4 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bf312ce91..1202f2d0b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -387,7 +387,7 @@ if (${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
         lib/time_posix.cpp
         lib/time_darwin.cpp
     )
-elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
+elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD" OR ${CMAKE_SYSTEM_NAME} STREQUAL "NetBSD")
     set(platform_executor
         src/rtl_posix.cpp
         lib/file_posix.cpp
@@ -488,7 +488,7 @@ endif (WIN32)
 if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR ${CMAKE_SYSTEM_NAME} STREQUAL "Darwin" OR ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
     target_link_libraries(executor dl)
 endif ()
-if (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
+if (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR ${CMAKE_SYSTEM_NAME} STREQUAL "NetBSD")
     target_link_libraries(executor pthread)
 endif ()
 
diff --git a/exec/cnex/CMakeLists.txt b/exec/cnex/CMakeLists.txt
index ad25beec0..81651847c 100644
--- a/exec/cnex/CMakeLists.txt
+++ b/exec/cnex/CMakeLists.txt
@@ -21,7 +21,7 @@ if (${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
         lib/random_posix.c
         lib/runtime_posix.c
     )
-elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
+elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD" OR ${CMAKE_SYSTEM_NAME} STREQUAL "NetBSD")
     # Not all flavors of Linx will have the function clock_gettime(), and some have it in a different include.
     # See exec/cnex/lib/time_linux.c for more information.
     include(CheckSymbolExists)
@@ -155,4 +155,7 @@ else (WIN32)
     target_link_libraries(test_string_support m)
     target_link_libraries(test_number_to_string_c m)
     target_link_libraries(test_path_support m)
+    if (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR ${CMAKE_SYSTEM_NAME} STREQUAL "NetBSD")
+        target_link_libraries(executor pthread)
+    endif ()
 endif (WIN32)
diff --git a/external/libbid.cmake b/external/libbid.cmake
index 183fd9372..abbb75244 100644
--- a/external/libbid.cmake
+++ b/external/libbid.cmake
@@ -13,7 +13,23 @@ if (NOT EXISTS external/IntelRDFPMathLib20U2)
             RESULT_VARIABLE retcode
         )
         if (NOT "${retcode}" STREQUAL "0")
-            message(FATAL_ERROR "Fatal error extracting archive")
+            message(FATAL_ERROR "Fatal error patching file")
+        endif ()
+    endif ()
+    if (${CMAKE_SYSTEM_NAME} STREQUAL "NetBSD")
+        execute_process(
+            COMMAND perl -p -i -e "s/unsigned short int fexcept_t/unsigned int fexcept_t/" external/IntelRDFPMathLib20U2/LIBRARY/src/bid_functions.h
+            RESULT_VARIABLE retcode
+        )
+        if (NOT "${retcode}" STREQUAL "0")
+            message(FATAL_ERROR "Fatal error patching file")
+        endif ()
+        execute_process(
+            COMMAND sh -c "(echo '#include <unistd.h>' && cat external/IntelRDFPMathLib20U2/LIBRARY/float128/dpml_exception.h) >external/IntelRDFPMathLib20U2/LIBRARY/float128/dpml_exception.h.new && mv external/IntelRDFPMathLib20U2/LIBRARY/float128/dpml_exception.h.new external/IntelRDFPMathLib20U2/LIBRARY/float128/dpml_exception.h"
+            RESULT_VARIABLE retcode
+        )
+        if (NOT "${retcode}" STREQUAL "0")
+            message(FATAL_ERROR "Fatal error patching file")
         endif ()
     endif ()
 endif ()
diff --git a/external/minizip.cmake b/external/minizip.cmake
index ee4f588b5..487eb5224 100644
--- a/external/minizip.cmake
+++ b/external/minizip.cmake
@@ -19,7 +19,7 @@ add_library(minizip
     minizip11/zip.c
     ${minizip_platform}
 )
-if (${CMAKE_SYSTEM_NAME} STREQUAL "Darwin" OR ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
+if (${CMAKE_SYSTEM_NAME} STREQUAL "Darwin" OR ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD" OR ${CMAKE_SYSTEM_NAME} STREQUAL "NetBSD")
     set_source_files_properties(minizip11/ioapi.c PROPERTIES COMPILE_DEFINITIONS "fopen64=fopen;fseeko64=fseeko;ftello64=ftello")
 endif ()
 target_include_directories(minizip