fix compilaton and ci/build due luajit module package process

* fix CFLAGS/CXXFLAGS from env for pacakgers

.gitlab-ci.yml

@@ -151,6 +151,8 @@ build:ubuntu-14.10:
    - apt-get update -y || true
    - apt-get -y --force-yes install build-essential git cmake pkg-config cmake-data debhelper lsb-release gettext libbz2-dev libcurl4-gnutls-dev libnl-genl-3-dev libnl-3-dev librtmp-dev libidn11-dev libncurses-dev libfreetype6-dev libglu1-mesa-dev libgmp-dev libirrlicht-dev libjpeg-dev libjsoncpp-dev libleveldb-dev libluajit-5.1-dev liblua5.1-dev libogg-dev libopenal-dev libpng-dev libpq-dev libhiredis-dev libsqlite3-dev libvorbis-dev libx11-dev libxxf86vm-dev libpq-dev libhiredis-dev zlib1g-dev doxygen libxrandr-dev mesa-common-dev x11proto-xf86vidmode-dev
 
+# Zesty most close to stretch
+
 build:ubuntu-17.04:
  extends: .build_template
  image: ubuntu:zesty

builtin/game/chatcommands.lua

@@ -7,7 +7,10 @@
 core.chatcommands = core.registered_chatcommands -- BACKWARDS COMPATIBILITY
 
 core.register_on_chat_message(function(name, message)
-	if message:sub(1,1) ~= "/" then
+	if message:find("[\r\n]") then
+		core.chat_send_player(name, "You cannot use newlines in chat messages.")
+		return true
+	elseif message:sub(1,1) ~= "/" then
 		return
 	end
 

builtin/mainmenu/modmgr.lua

@@ -402,6 +402,8 @@ function modmgr.preparemodlist(data)
 	if modpath ~= nil and
 		modpath ~= "" then
 		get_mods(modpath,global_mods)
+	else
+		get_mods("/usr/share/games/minetest/mods",global_mods)
 	end
 
 	for i=1,#global_mods,1 do

cmake/Modules/FindLuaJIT.cmake

@@ -6,16 +6,56 @@
 #
 # This module is similar to FindLua51.cmake except that it finds LuaJit instead.
 
-find_package (PkgConfig REQUIRED)
+FIND_PATH(LUA_INCLUDE_DIR luajit.h
-pkg_check_modules (LuaJIT QUIET REQUIRED luajit)
+	HINTS
-set (LUA_LIBRARY ${LuaJIT_LIBRARIES})
+	$ENV{LUA_DIR}
-set (LUA_INCLUDE_DIR ${LuaJIT_INCLUDE_DIRS})
+	PATH_SUFFIXES include/luajit-2.1 include/luajit-2.0 include/luajit-5_1-2.1 include/luajit-5_1-2.0 include luajit
-set (LUA_VERSION_STRING ${LuaJIT_VERSION})
+	PATHS
+	~/Library/Frameworks
+	/Library/Frameworks
+	/sw # Fink
+	/opt/local # DarwinPorts
+	/opt/csw # Blastwave
+	/opt
+)
+
+# Test if running on vcpkg toolchain
+if(DEFINED VCPKG_TARGET_TRIPLET AND DEFINED VCPKG_APPLOCAL_DEPS)
+	# On vcpkg luajit is 'lua51' and normal lua is 'lua'
+	FIND_LIBRARY(LUA_LIBRARY
+		NAMES lua51
+		HINTS
+		$ENV{LUA_DIR}
+		PATH_SUFFIXES lib
+	)
+else()
+	FIND_LIBRARY(LUA_LIBRARY
+		NAMES luajit-5.1
+		HINTS
+		$ENV{LUA_DIR}
+		PATH_SUFFIXES lib64 lib
+		PATHS
+		~/Library/Frameworks
+		/Library/Frameworks
+		/sw
+		/opt/local
+		/opt/csw
+		/opt
+	)
+endif()
+
+
+IF(LUA_INCLUDE_DIR AND EXISTS "${LUA_INCLUDE_DIR}/luajit.h")
+	FILE(STRINGS "${LUA_INCLUDE_DIR}/luajit.h" lua_version_str REGEX "^#define[ \t]+LUA_RELEASE[ \t]+\"LuaJIT .+\"")
+
+	STRING(REGEX REPLACE "^#define[ \t]+LUA_RELEASE[ \t]+\"LuaJIT ([^\"]+)\".*" "\\1" LUA_VERSION_STRING "${lua_version_str}")
+	UNSET(lua_version_str)
+ENDIF()
 
 INCLUDE(FindPackageHandleStandardArgs)
 # handle the QUIETLY and REQUIRED arguments and set LUAJIT_FOUND to TRUE if
 # all listed variables are TRUE
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(LuaJit
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(LuaJIT
 	REQUIRED_VARS LUA_LIBRARY LUA_INCLUDE_DIR
 	VERSION_VAR LUA_VERSION_STRING)
 

src/CMakeLists.txt

@@ -174,7 +174,7 @@ option(ENABLE_POSTGRESQL "Enable PostgreSQL backend" TRUE)
 set(USE_POSTGRESQL FALSE)
 
 if(ENABLE_POSTGRESQL)
-	if(CMAKE_VERSION VERSION_LESS "3.10")
+	if(CMAKE_VERSION VERSION_LESS "3.20")
 		find_package(PostgreSQL QUIET)
 		# Before CMake 3.20 FindPostgreSQL.cmake always looked for server includes
 		# but we don't need them, so continue anyway if only those are missing.
@@ -647,7 +647,7 @@ if(BUILD_CLIENT)
 		target_link_libraries(${PROJECT_NAME} ${CURSES_LIBRARIES})
 	endif()
 	if (USE_POSTGRESQL)
-		target_link_libraries(${PROJECT_NAME} ${POSTGRESQL_LIBRARY})
+		target_link_libraries(${PROJECT_NAME} ${PostgreSQL_LIBRARIES})
 	endif()
 	if (USE_LEVELDB)
 		target_link_libraries(${PROJECT_NAME} ${LEVELDB_LIBRARY})
@@ -682,7 +682,7 @@ if(BUILD_SERVER)
 		target_link_libraries(${PROJECT_NAME}server ${CURSES_LIBRARIES})
 	endif()
 	if (USE_POSTGRESQL)
-		target_link_libraries(${PROJECT_NAME}server ${POSTGRESQL_LIBRARY})
+		target_link_libraries(${PROJECT_NAME}server ${PostgreSQL_LIBRARIES})
 	endif()
 	if (USE_LEVELDB)
 		target_link_libraries(${PROJECT_NAME}server ${LEVELDB_LIBRARY})
@@ -870,12 +870,12 @@ else()
 		endif()
 	endif(CMAKE_SYSTEM_NAME MATCHES "(Darwin|BSD|DragonFly)")
 
-	set(CMAKE_CXX_FLAGS_SEMIDEBUG "-g -O1 -Wall ${WARNING_FLAGS} ${CMAKE_C_FLAGS} ${OTHER_FLAGS}")
+	set(CMAKE_CXX_FLAGS_SEMIDEBUG "-g -O1 -Wall ${WARNING_FLAGS} ${CMAKE_CXX_FLAGS} ${OTHER_FLAGS} $ENV{CPPFLAGS}")
-	set(CMAKE_CXX_FLAGS_DEBUG "-g -O0 -Wall ${WARNING_FLAGS} ${CMAKE_C_FLAGS} ${OTHER_FLAGS}")
+	set(CMAKE_CXX_FLAGS_DEBUG "-g -O0 -Wall ${WARNING_FLAGS} ${CMAKE_CXX_FLAGS} ${OTHER_FLAGS} $ENV{CPPFLAGS}")
-	set(CMAKE_C_FLAGS_RELEASE        "${CMAKE_C_FLAGS_RELEASE} ${CMAKE_C_FLAGS} ")
+	set(CMAKE_C_FLAGS_RELEASE        "${CMAKE_C_FLAGS_RELEASE} ${CMAKE_C_FLAGS} $ENV{CFLAGS}")
 	set(CMAKE_C_FLAGS_DEBUG          "${CMAKE_C_FLAGS_DEBUG}   ${CMAKE_C_FLAGS} -g")
 	set(CMAKE_C_FLAGS_PROFILE        "${CMAKE_C_FLAGS_PROFILE} ${CMAKE_C_FLAGS} -O1 -g")
-	set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_WITHDEBINFO} ${CMAKE_C_FLAGS} -g")
+	set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_WITHDEBINFO} ${CMAKE_C_FLAGS} $ENV{CFLAGS} -g")
 
 	if(USE_GPROF)
 		set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -pg")