1# Distributed under the OSI-approved BSD 3-Clause License. See accompanying 2# file Copyright.txt or https://cmake.org/licensing for details. 3 4#[=======================================================================[.rst: 5FindSDL_net 6----------- 7 8Locate SDL_net library 9 10This module defines: 11 12:: 13 14 SDL_NET_LIBRARIES, the name of the library to link against 15 SDL_NET_INCLUDE_DIRS, where to find the headers 16 SDL_NET_FOUND, if false, do not try to link against 17 SDL_NET_VERSION_STRING - human-readable string containing the version of SDL_net 18 19 20 21For backward compatibility the following variables are also set: 22 23:: 24 25 SDLNET_LIBRARY (same value as SDL_NET_LIBRARIES) 26 SDLNET_INCLUDE_DIR (same value as SDL_NET_INCLUDE_DIRS) 27 SDLNET_FOUND (same value as SDL_NET_FOUND) 28 29 30 31$SDLDIR is an environment variable that would correspond to the 32./configure --prefix=$SDLDIR used in building SDL. 33 34Created by Eric Wing. This was influenced by the FindSDL.cmake 35module, but with modifications to recognize OS X frameworks and 36additional Unix paths (FreeBSD, etc). 37#]=======================================================================] 38 39if(NOT SDL_NET_INCLUDE_DIR AND SDLNET_INCLUDE_DIR) 40 set(SDL_NET_INCLUDE_DIR ${SDLNET_INCLUDE_DIR} CACHE PATH "directory cache 41entry initialized from old variable name") 42endif() 43find_path(SDL_NET_INCLUDE_DIR SDL_net.h 44 HINTS 45 ENV SDLNETDIR 46 ENV SDLDIR 47 PATH_SUFFIXES SDL 48 # path suffixes to search inside ENV{SDLDIR} 49 include/SDL include/SDL12 include/SDL11 include 50) 51 52if(CMAKE_SIZEOF_VOID_P EQUAL 8) 53 set(VC_LIB_PATH_SUFFIX lib/x64) 54else() 55 set(VC_LIB_PATH_SUFFIX lib/x86) 56endif() 57 58if(NOT SDL_NET_LIBRARY AND SDLNET_LIBRARY) 59 set(SDL_NET_LIBRARY ${SDLNET_LIBRARY} CACHE FILEPATH "file cache entry 60initialized from old variable name") 61endif() 62find_library(SDL_NET_LIBRARY 63 NAMES SDL_net 64 HINTS 65 ENV SDLNETDIR 66 ENV SDLDIR 67 PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX} 68) 69 70if(SDL_NET_INCLUDE_DIR AND EXISTS "${SDL_NET_INCLUDE_DIR}/SDL_net.h") 71 file(STRINGS "${SDL_NET_INCLUDE_DIR}/SDL_net.h" SDL_NET_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_NET_MAJOR_VERSION[ \t]+[0-9]+$") 72 file(STRINGS "${SDL_NET_INCLUDE_DIR}/SDL_net.h" SDL_NET_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_NET_MINOR_VERSION[ \t]+[0-9]+$") 73 file(STRINGS "${SDL_NET_INCLUDE_DIR}/SDL_net.h" SDL_NET_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_NET_PATCHLEVEL[ \t]+[0-9]+$") 74 string(REGEX REPLACE "^#define[ \t]+SDL_NET_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_NET_VERSION_MAJOR "${SDL_NET_VERSION_MAJOR_LINE}") 75 string(REGEX REPLACE "^#define[ \t]+SDL_NET_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_NET_VERSION_MINOR "${SDL_NET_VERSION_MINOR_LINE}") 76 string(REGEX REPLACE "^#define[ \t]+SDL_NET_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL_NET_VERSION_PATCH "${SDL_NET_VERSION_PATCH_LINE}") 77 set(SDL_NET_VERSION_STRING ${SDL_NET_VERSION_MAJOR}.${SDL_NET_VERSION_MINOR}.${SDL_NET_VERSION_PATCH}) 78 unset(SDL_NET_VERSION_MAJOR_LINE) 79 unset(SDL_NET_VERSION_MINOR_LINE) 80 unset(SDL_NET_VERSION_PATCH_LINE) 81 unset(SDL_NET_VERSION_MAJOR) 82 unset(SDL_NET_VERSION_MINOR) 83 unset(SDL_NET_VERSION_PATCH) 84endif() 85 86set(SDL_NET_LIBRARIES ${SDL_NET_LIBRARY}) 87set(SDL_NET_INCLUDE_DIRS ${SDL_NET_INCLUDE_DIR}) 88 89include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) 90 91FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL_net 92 REQUIRED_VARS SDL_NET_LIBRARIES SDL_NET_INCLUDE_DIRS 93 VERSION_VAR SDL_NET_VERSION_STRING) 94 95# for backward compatibility 96set(SDLNET_LIBRARY ${SDL_NET_LIBRARIES}) 97set(SDLNET_INCLUDE_DIR ${SDL_NET_INCLUDE_DIRS}) 98set(SDLNET_FOUND ${SDL_NET_FOUND}) 99 100mark_as_advanced(SDL_NET_LIBRARY SDL_NET_INCLUDE_DIR) 101