From a08a72493176110e6848462a3c90d5f6921c6274 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mikita=20Wi=C5=9Bniewski=20=F0=9F=A4=8D=F0=9F=92=99?=
 =?UTF-8?q?=F0=9F=A4=8D?= <rudzik8@protonmail.com>
Date: Mon, 10 Oct 2022 11:27:14 +0700
Subject: [PATCH] Update FindGettextLib.cmake (from the same file in
 minetest/minetest repo)

seems to work fine
---
 cmake/Modules/FindGettextLib.cmake | 81 ++++++++++++++++++++++--------
 1 file changed, 61 insertions(+), 20 deletions(-)

diff --git a/cmake/Modules/FindGettextLib.cmake b/cmake/Modules/FindGettextLib.cmake
index 6a85351..8aea256 100644
--- a/cmake/Modules/FindGettextLib.cmake
+++ b/cmake/Modules/FindGettextLib.cmake
@@ -1,28 +1,69 @@
 # Package finder for gettext libs and include files
 
-SET(CUSTOM_GETTEXT_PATH "${PROJECT_SOURCE_DIR}/../../gettext"
+set(CUSTOM_GETTEXT_PATH "${PROJECT_SOURCE_DIR}/../../gettext"
 	CACHE FILEPATH "path to custom gettext")
 
-# by default
-SET(GETTEXT_FOUND FALSE)
+find_path(GETTEXT_INCLUDE_DIR
+	NAMES libintl.h
+	PATHS "${CUSTOM_GETTEXT_PATH}/include"
+	DOC "GetText include directory")
 
-FIND_PROGRAM(GETTEXT_MSGFMT
+find_program(GETTEXT_MSGFMT
 	NAMES msgfmt
 	PATHS "${CUSTOM_GETTEXT_PATH}/bin"
-	DOC "path to msgfmt")
+	DOC "Path to msgfmt")
 
-IF(GETTEXT_MSGFMT)
-	SET(GETTEXT_FOUND TRUE)
-	SET(GETTEXT_PO_PATH ${CMAKE_SOURCE_DIR}/po)
-	SET(GETTEXT_MO_BUILD_PATH ${CMAKE_CURRENT_SOURCE_DIR}/../data/locale/<locale>)
-	SET(GETTEXT_MO_DEST_PATH ${SHAREDIR}/locale/<locale>)
-	FILE(GLOB GETTEXT_AVAILABLE_LOCALES RELATIVE ${GETTEXT_PO_PATH} "${GETTEXT_PO_PATH}/*")
-	LIST(REMOVE_ITEM GETTEXT_AVAILABLE_LOCALES voxelands.pot)
-	MACRO(SET_MO_PATHS _buildvar _destvar _locale)
-		STRING(REPLACE "<locale>" ${_locale} ${_buildvar} ${GETTEXT_MO_BUILD_PATH})
-		STRING(REPLACE "<locale>" ${_locale} ${_destvar} ${GETTEXT_MO_DEST_PATH})
-	ENDMACRO(SET_MO_PATHS)
-ELSE()
-	SET(GETTEXT_INCLUDE_DIR "")
-	SET(GETTEXT_LIBRARY "")
-ENDIF()
+set(GETTEXT_REQUIRED_VARS GETTEXT_INCLUDE_DIR GETTEXT_MSGFMT)
+
+if(APPLE)
+	find_library(GETTEXT_LIBRARY
+		NAMES libintl.a
+		PATHS "${CUSTOM_GETTEXT_PATH}/lib"
+		DOC "GetText library")
+
+	find_library(ICONV_LIBRARY
+		NAMES libiconv.dylib
+		PATHS "/usr/lib"
+		DOC "IConv library")
+	set(GETTEXT_REQUIRED_VARS ${GETTEXT_REQUIRED_VARS} GETTEXT_LIBRARY ICONV_LIBRARY)
+endif(APPLE)
+
+# Modern Linux, as well as OSX, does not require special linking because
+# GetText is part of glibc.
+# TODO: check the requirements on other BSDs and older Linux
+if(WIN32)
+	if(MSVC)
+		set(GETTEXT_LIB_NAMES
+			libintl.lib intl.lib libintl3.lib intl3.lib)
+	else()
+		set(GETTEXT_LIB_NAMES
+			libintl.dll.a intl.dll.a libintl3.dll.a intl3.dll.a)
+	endif()
+	find_library(GETTEXT_LIBRARY
+		NAMES ${GETTEXT_LIB_NAMES}
+		PATHS "${CUSTOM_GETTEXT_PATH}/lib"
+		DOC "GetText library")
+endif(WIN32)
+
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(GettextLib DEFAULT_MSG ${GETTEXT_REQUIRED_VARS})
+
+
+if(GETTEXTLIB_FOUND)
+	# BSD variants require special linkage as they don't use glibc
+	if(${CMAKE_SYSTEM_NAME} MATCHES "BSD|DragonFly")
+		set(GETTEXT_LIBRARY "intl")
+	endif()
+
+	set(GETTEXT_PO_PATH ${CMAKE_SOURCE_DIR}/po)
+	set(GETTEXT_MO_BUILD_PATH ${CMAKE_BINARY_DIR}/locale/<locale>/LC_MESSAGES)
+	set(GETTEXT_MO_DEST_PATH ${LOCALEDIR}/<locale>/LC_MESSAGES)
+	file(GLOB GETTEXT_AVAILABLE_LOCALES RELATIVE ${GETTEXT_PO_PATH} "${GETTEXT_PO_PATH}/*")
+	list(REMOVE_ITEM GETTEXT_AVAILABLE_LOCALES minetest.pot)
+	list(REMOVE_ITEM GETTEXT_AVAILABLE_LOCALES timestamp)
+	macro(SET_MO_PATHS _buildvar _destvar _locale)
+		string(REPLACE "<locale>" ${_locale} ${_buildvar} ${GETTEXT_MO_BUILD_PATH})
+		string(REPLACE "<locale>" ${_locale} ${_destvar} ${GETTEXT_MO_DEST_PATH})
+	endmacro()
+endif()