build/msvc: Add CMakeLists.txt and header for Unibilium

A header was added for compatibility with MSVC and CMakeLists.txt was
added for building with CMake.

third-party/CMakeLists.txt

@@ -103,13 +103,8 @@ set(LUA_SHA256 2640fc56a795f29d28ef15e13c34a47e223960b0240e8cb0a82d9b0738695333)
 set(LUAROCKS_URL https://github.com/luarocks/luarocks/archive/v2.4.3.tar.gz)
 set(LUAROCKS_SHA256 ea1881d6954f2a98c34f93674571c8f0cbdbc28dedb3fa3cb56b6a91886d1a99)
 
-if(WIN32)
-  set(UNIBILIUM_URL https://github.com/b-r-o-c-k/unibilium/archive/v2.0.0.tar.gz)
-  set(UNIBILIUM_SHA256 37a81954f78a27a024b805b330f0b1c082d6c1e9aeed32509a00272c1695cdac)
-else()
-  set(UNIBILIUM_URL https://github.com/mauke/unibilium/archive/v2.0.0.tar.gz)
-  set(UNIBILIUM_SHA256 78997d38d4c8177c60d3d0c1aa8c53fd0806eb21825b7b335b1768d7116bc1c1)
-endif()
+set(UNIBILIUM_URL https://github.com/mauke/unibilium/archive/v2.0.0.tar.gz)
+set(UNIBILIUM_SHA256 78997d38d4c8177c60d3d0c1aa8c53fd0806eb21825b7b335b1768d7116bc1c1)
 
 if(WIN32)
 set(LIBTERMKEY_URL https://github.com/equalsraf/libtermkey/archive/tb-windows.zip)

third-party/cmake/BuildUnibilium.cmake

@@ -11,12 +11,18 @@ if(WIN32)
       -DTARGET=unibilium
       -DUSE_EXISTING_SRC_DIR=${USE_EXISTING_SRC_DIR}
       -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/DownloadAndExtractFile.cmake
-    CONFIGURE_COMMAND ${CMAKE_COMMAND} ${DEPS_BUILD_DIR}/src/unibilium
-      -DCMAKE_INSTALL_PREFIX=${DEPS_INSTALL_DIR}
-      # Pass toolchain
-      -DCMAKE_TOOLCHAIN_FILE=${TOOLCHAIN}
-      -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
-      -DCMAKE_GENERATOR=${CMAKE_GENERATOR}
+    CONFIGURE_COMMAND ${CMAKE_COMMAND} -E copy
+      ${CMAKE_CURRENT_SOURCE_DIR}/cmake/UnibiliumCMakeLists.txt
+      ${DEPS_BUILD_DIR}/src/unibilium/CMakeLists.txt
+      COMMAND ${CMAKE_COMMAND} -E copy
+        ${CMAKE_CURRENT_SOURCE_DIR}/msvc-compat/unistd.h
+        ${DEPS_BUILD_DIR}/src/unibilium/msvc-compat/unistd.h
+      COMMAND ${CMAKE_COMMAND} ${DEPS_BUILD_DIR}/src/unibilium
+        -DCMAKE_INSTALL_PREFIX=${DEPS_INSTALL_DIR}
+        # Pass toolchain
+        -DCMAKE_TOOLCHAIN_FILE=${TOOLCHAIN}
+        -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
+        -DCMAKE_GENERATOR=${CMAKE_GENERATOR}
     BUILD_COMMAND ${CMAKE_COMMAND} --build . --config ${CMAKE_BUILD_TYPE}
     INSTALL_COMMAND ${CMAKE_COMMAND} --build . --target install --config ${CMAKE_BUILD_TYPE})
 else()

third-party/cmake/UnibiliumCMakeLists.txt

@@ -0,0 +1,27 @@
+cmake_minimum_required(VERSION 2.8.7)
+project(unibilium LANGUAGES C)
+
+file(GLOB SRC_FILES ${PROJECT_SOURCE_DIR}/*.c)
+add_library(unibilium ${SRC_FILES})
+set_target_properties(unibilium PROPERTIES PUBLIC_HEADER ${PROJECT_SOURCE_DIR}/unibilium.h
+  VERSION "${VERSION_MAJOR}.${VERSION_MINOR}")
+
+if(NOT WIN32)
+  execute_process(COMMAND "shell ncursesw6-config --terminfo-dirs 2>/dev/null || \
+      ncurses6-config  --terminfo-dirs 2>/dev/null || \
+      ncursesw5-config --terminfo-dirs 2>/dev/null || \
+      ncurses5-config  --terminfo-dirs 2>/dev/null || \
+      echo '/etc/terminfo:/lib/terminfo:/usr/share/terminfo:/usr/lib/terminfo:/usr/local/share/terminfo:/usr/local/lib/terminfo'"
+    OUTPUT_VARIABLE TERMINFO_DIRS)
+endif()
+target_compile_definitions(unibilium PUBLIC TERMINFO_DIRS ${TERMINFO_DIRS})
+
+if(MSVC)
+  target_include_directories(unibilium PUBLIC ${PROJECT_SOURCE_DIR}/msvc-compat)
+endif()
+
+include(GNUInstallDirs)
+install(TARGETS unibilium
+  PUBLIC_HEADER
+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})

third-party/msvc-compat/unistd.h

@@ -0,0 +1,10 @@
+#ifndef GUARD_UNIBILIUM_UNISTD_H_
+#define GUARD_UNIBILIUM_UNISTD_H_
+
+#ifdef  _WIN64
+typedef unsigned __int64    ssize_t;
+#else
+typedef _W64 unsigned int   ssize_t;
+#endif
+
+#endif