vcpkg dependency builds for macOS

dummy-port/portfile.cmake

@@ -0,0 +1 @@
+set(VCPKG_POLICY_EMPTY_PACKAGE enabled)

macos_build.sh

@@ -0,0 +1,17 @@
+#!/bin/zsh
+
+easy_install --user pyyaml
+
+git clone -q https://github.com/Microsoft/vcpkg.git
+git -C vcpkg apply ../vcpkg_fixup_pkgconfig.cmake.diff
+
+vcpkg/bootstrap-vcpkg.sh
+
+TRIPLET="--overlay-triplets=. --triplet=x64-osx-openrct2"
+LIBRARIES="duktape freetype[core,zlib,bzip2,png] libpng libzip[core] nlohmann-json openssl sdl2 speexdsp discord-rpc"
+vcpkg/vcpkg install ${=TRIPLET} ${=LIBRARIES}  
+
+(
+  cd vcpkg/installed/x64-osx-openrct2 &&
+  zip -rXy ../../../openrct2-libs-v${version}-x64-macos-dylibs.zip * -x '*/.*'
+)

macos_pkgconfig/bzip2.pc

@@ -0,0 +1,12 @@
+prefix=/usr
+
+exec_prefix=${prefix}
+libdir=${prefix}/lib
+includedir=${prefix}/include
+
+Name: bzip2
+Description: bzip2
+Version: 1.0.5
+Requires: 
+Libs: -L${libdir} -lbz2
+Cflags: -I${includedir}

macos_pkgconfig/zlib.pc

@@ -0,0 +1,14 @@
+prefix=/usr
+
+exec_prefix=${prefix}
+libdir=${prefix}/lib
+sharedlibdir=${prefix}/lib
+includedir=${prefix}/include
+
+Name: zlib
+Description: zlib compression library
+Version: 1.2.11
+
+Requires:
+Libs: -L${libdir} -L${sharedlibdir} -lz
+Cflags: -I${includedir}

vcpkg_fixup_pkgconfig.cmake.diff

@@ -0,0 +1,28 @@
+diff --git a/scripts/cmake/vcpkg_fixup_pkgconfig.cmake b/scripts/cmake/vcpkg_fixup_pkgconfig.cmake
+index baccef100..7f0dc464d 100644
+--- a/scripts/cmake/vcpkg_fixup_pkgconfig.cmake
++++ b/scripts/cmake/vcpkg_fixup_pkgconfig.cmake
+@@ -50,8 +50,8 @@ function(vcpkg_fixup_pkgconfig_check_files pkg_cfg_cmd _file _config _system_lib
+     set(PKGCONFIG_PACKAGES_DIR "${_VCPKG_PACKAGES_PKGCONF}${PATH_SUFFIX_${_config}}/lib/pkgconfig")
+     set(PKGCONFIG_PACKAGES_SHARE_DIR "${_VCPKG_PACKAGES_PKGCONF}/share/pkgconfig")
+
+-    if(ENV{PKG_CONFIG_PATH})
+-        set(BACKUP_ENV_PKG_CONFIG_PATH_${_config} $ENV{PKG_CONFIG_PATH})
++    if(DEFINED ENV{PKG_CONFIG_PATH})
++        set(BACKUP_ENV_PKG_CONFIG_PATH_${_config} "$ENV{PKG_CONFIG_PATH}")
+         set(ENV{PKG_CONFIG_PATH} "${PKGCONFIG_INSTALLED_DIR}${VCPKG_HOST_PATH_SEPARATOR}${PKGCONFIG_INSTALLED_SHARE_DIR}${VCPKG_HOST_PATH_SEPARATOR}${PKGCONFIG_PACKAGES_DIR}${VCPKG_HOST_PATH_SEPARATOR}${PKGCONFIG_PACKAGES_SHARE_DIR}${VCPKG_HOST_PATH_SEPARATOR}$ENV{PKG_CONFIG_PATH}")
+     else()
+         set(ENV{PKG_CONFIG_PATH} "${PKGCONFIG_INSTALLED_DIR}${VCPKG_HOST_PATH_SEPARATOR}${PKGCONFIG_INSTALLED_SHARE_DIR}${VCPKG_HOST_PATH_SEPARATOR}${PKGCONFIG_PACKAGES_DIR}${VCPKG_HOST_PATH_SEPARATOR}${PKGCONFIG_PACKAGES_SHARE_DIR}")
+@@ -237,6 +237,12 @@ function(vcpkg_fixup_pkgconfig_check_files pkg_cfg_cmd _file _config _system_lib
+     endforeach()
+
+     set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES_BACKUP})
++    if(DEFINED BACKUP_ENV_PKG_CONFIG_PATH_${_config})
++        set(ENV{PKG_CONFIG_PATH} "${BACKUP_ENV_PKG_CONFIG_PATH_${_config}}")
++        unset(BACKUP_ENV_PKG_CONFIG_PATH_${_config})
++    else()
++        unset(ENV{PKG_CONFIG_PATH})
++    endif()
+ endfunction()
+
+ function(vcpkg_fixup_pkgconfig)

x64-osx-openrct2.cmake

@@ -0,0 +1,21 @@
+cmake_policy(SET CMP0057 NEW)
+
+set(VCPKG_TARGET_ARCHITECTURE x64)
+set(VCPKG_CRT_LINKAGE dynamic)
+set(VCPKG_LIBRARY_LINKAGE dynamic)
+
+set(VCPKG_CMAKE_SYSTEM_NAME Darwin)
+set(VCPKG_OSX_DEPLOYMENT_TARGET "10.13")
+set(VCPKG_BUILD_TYPE release)
+
+if(DEFINED ENV{PKG_CONFIG_PATH})
+    set(ENV{PKG_CONFIG_PATH} "${CMAKE_CURRENT_LIST_DIR}/macos_pkgconfig:$ENV{PKG_CONFIG_PATH}")
+else()
+    set(ENV{PKG_CONFIG_PATH} "${CMAKE_CURRENT_LIST_DIR}/macos_pkgconfig")
+endif()
+
+list(APPEND VCPKG_SYSTEM_LIBRARIES "z" "bz2")
+set(OPENRCT2_SYSTEM_PACKAGES "zlib" "bzip2")
+if(PORT IN_LIST OPENRCT2_SYSTEM_PACKAGES)
+    set(CURRENT_PORT_DIR "${CMAKE_CURRENT_LIST_DIR}/dummy-port")
+endif()