$NetBSD: patch-CMakeLists.txt,v 1.1 2023/11/07 17:56:56 nros Exp $

Use extentions for alloca on NetBSD.
Don't build docs.

--- CMakeLists.txt.orig	2022-08-05 02:02:51.000000000 +0000
+++ CMakeLists.txt
@@ -16,7 +16,7 @@ if (NOT DEFINED CMAKE_CXX_STANDARD)
         set(CMAKE_CXX_STANDARD 98)
     endif ()
 endif()
-set(CMAKE_CXX_EXTENSIONS OFF)
+set(CMAKE_CXX_EXTENSIONS ON)
 set(CMAKE_CXX_VISIBILITY_PRESET hidden)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 set(CMAKE_FIND_PACKAGE_RESOLVE_SYMLINKS ON)
@@ -114,5 +114,5 @@ include_directories(src/ptex)
 add_subdirectory(src/ptex)
 add_subdirectory(src/utils)
 add_subdirectory(src/tests)
-add_subdirectory(src/doc)
+#add_subdirectory(src/doc)
 add_subdirectory(src/build)