From 73036c83a3805e5a0460cd5871743c88fe9405a5 Mon Sep 17 00:00:00 2001
From: lat9nq <22451773+lat9nq@users.noreply.github.com>
Date: Sat, 3 Jun 2023 13:18:51 -0400
Subject: nx_tzdb: Create headers from downloaded system archive data

Use lat9nq/tzdb_to_nx release data to generate header files.

nx_tzdb: Use an interface library

nx_tzdb: Gate download if achive not exists

nx_tzdb: Fix header generator brace closing

nx_tzdb: Add base directory files

nx_tzdb: Add SPDX info
---
 externals/nx_tzdb/CMakeLists.txt | 65 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 externals/nx_tzdb/CMakeLists.txt

(limited to 'externals/nx_tzdb/CMakeLists.txt')

diff --git a/externals/nx_tzdb/CMakeLists.txt b/externals/nx_tzdb/CMakeLists.txt
new file mode 100644
index 000000000..2f625c108
--- /dev/null
+++ b/externals/nx_tzdb/CMakeLists.txt
@@ -0,0 +1,65 @@
+# SPDX-FileCopyrightText: 2023 yuzu Emulator Project
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+set(NX_TZDB_VERSION "220816")
+set(NX_TZDB_DOWNLOAD_URL "https://github.com/lat9nq/tzdb_to_nx/releases/download/${NX_TZDB_VERSION}/${NX_TZDB_VERSION}.zip")
+
+set(NX_TZDB_ARCHIVE "${CMAKE_CURRENT_BINARY_DIR}/${NX_TZDB_VERSION}.zip")
+set(NX_TZDB_DIR "${CMAKE_CURRENT_BINARY_DIR}/nx_tzdb")
+
+set(NX_TZDB_INCLUDE_DIR "${CMAKE_CURRENT_BINARY_DIR}/include")
+
+if (NOT EXISTS ${NX_TZDB_ARCHIVE})
+    file(DOWNLOAD ${NX_TZDB_DOWNLOAD_URL} ${NX_TZDB_ARCHIVE})
+    file(ARCHIVE_EXTRACT
+        INPUT
+            ${NX_TZDB_ARCHIVE}
+        DESTINATION
+            ${NX_TZDB_DIR})
+endif()
+
+add_library(nx_tzdb INTERFACE)
+target_include_directories(nx_tzdb
+    INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/include
+    INTERFACE ${NX_TZDB_INCLUDE_DIR})
+
+function(CreateHeader ZONE_PATH HEADER_NAME)
+    set(HEADER_PATH "${NX_TZDB_INCLUDE_DIR}/nx_tzdb/${HEADER_NAME}.h")
+    add_custom_command(
+        OUTPUT
+            ${NX_TZDB_INCLUDE_DIR}/nx_tzdb/${HEADER_NAME}.h
+        COMMAND
+            ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_SOURCE_DIR}/NxTzdbCreateHeader.cmake
+                ${ZONE_PATH}
+                ${HEADER_NAME}
+                ${NX_TZDB_INCLUDE_DIR}
+                ${CMAKE_CURRENT_SOURCE_DIR}
+        DEPENDS
+            tzdb_template.h.in
+            NxTzdbCreateHeader.cmake)
+
+    target_sources(nx_tzdb PRIVATE ${HEADER_PATH})
+endfunction()
+
+CreateHeader(${NX_TZDB_DIR} base)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo zoneinfo)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/Africa africa)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/America america)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/America/Argentina america_argentina)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/America/Indiana america_indiana)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/America/Kentucky america_kentucky)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/America/North_Dakota america_north_dakota)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/Antartica antartica)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/Arctic arctic)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/Asia asia)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/Atlantic atlantic)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/Australia australia)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/Brazil brazil)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/Canada canada)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/Chile chile)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/Etc etc)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/Europe europe)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/Indian indian)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/Mexico mexico)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/Pacific pacific)
+CreateHeader(${NX_TZDB_DIR}/zoneinfo/US us)
-- 
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