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Add FindSDL2_net based on FindSDL2_mixer. #24

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Add FindSDL2_net based on FindSDL2_mixer. #24

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8febe10
Add FindSDL2_net based on FindSDL2_mixer.
Dec 9, 2018
7dbdcb8
Add mixer and net to readme.
Dec 10, 2018
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100 changes: 100 additions & 0 deletions FindSDL2_net.cmake
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@@ -0,0 +1,100 @@
# Locate SDL_NET library
#
# This module defines:
#
# ::
#
# SDL2_NET_LIBRARIES, the name of the library to link against
# SDL2_NET_INCLUDE_DIRS, where to find the headers
# SDL2_NET_FOUND, if false, do not try to link against
# SDL2_NET_VERSION_STRING - human-readable string containing the version of SDL_NET
#
#
#
# For backward compatibility the following variables are also set:
#
# ::
#
# SDLNET_LIBRARY (same value as SDL2_NET_LIBRARIES)
# SDLNET_INCLUDE_DIR (same value as SDL2_NET_INCLUDE_DIRS)
# SDLNET_FOUND (same value as SDL2_NET_FOUND)
#
#
#
# $SDLDIR is an environment variable that would correspond to the
# ./configure --prefix=$SDLDIR used in building SDL.
#
# Created by Eric Wing. This was influenced by the FindSDL.cmake
# module, but with modifications to recognize OS X frameworks and
# additional Unix paths (FreeBSD, etc).

#=============================================================================
# Copyright 2005-2009 Kitware, Inc.
# Copyright 2012 Benjamin Eikel
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)

find_path(SDL2_NET_INCLUDE_DIR SDL_net.h
HINTS
ENV SDL2NETDIR
ENV SDL2DIR
PATH_SUFFIXES SDL2
# path suffixes to search inside ENV{SDLDIR}
include/SDL2 include
PATHS ${SDL2_NET_PATH}
)

if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(VC_LIB_PATH_SUFFIX lib/x64)
else()
set(VC_LIB_PATH_SUFFIX lib/x86)
endif()

find_library(SDL2_NET_LIBRARY
NAMES SDL2_net
HINTS
ENV SDL2NETDIR
ENV SDL2DIR
PATH_SUFFIXES lib bin ${VC_LIB_PATH_SUFFIX}
PATHS ${SDL2_NET_PATH}
)

if(SDL2_NET_INCLUDE_DIR AND EXISTS "${SDL2_NET_INCLUDE_DIR}/SDL_net.h")
file(STRINGS "${SDL2_NET_INCLUDE_DIR}/SDL_net.h" SDL2_NET_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_NET_MAJOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDL2_NET_INCLUDE_DIR}/SDL_net.h" SDL2_NET_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_NET_MINOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDL2_NET_INCLUDE_DIR}/SDL_net.h" SDL2_NET_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_NET_PATCHLEVEL[ \t]+[0-9]+$")
string(REGEX REPLACE "^#define[ \t]+SDL_NET_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_NET_VERSION_MAJOR "${SDL2_NET_VERSION_MAJOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL_NET_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_NET_VERSION_MINOR "${SDL2_NET_VERSION_MINOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL_NET_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_NET_VERSION_PATCH "${SDL2_NET_VERSION_PATCH_LINE}")
set(SDL2_NET_VERSION_STRING ${SDL2_NET_VERSION_MAJOR}.${SDL2_NET_VERSION_MINOR}.${SDL2_NET_VERSION_PATCH})
unset(SDL2_NET_VERSION_MAJOR_LINE)
unset(SDL2_NET_VERSION_MINOR_LINE)
unset(SDL2_NET_VERSION_PATCH_LINE)
unset(SDL2_NET_VERSION_MAJOR)
unset(SDL2_NET_VERSION_MINOR)
unset(SDL2_NET_VERSION_PATCH)
endif()

set(SDL2_NET_LIBRARIES ${SDL2_NET_LIBRARY})
set(SDL2_NET_INCLUDE_DIRS ${SDL2_NET_INCLUDE_DIR})

include(FindPackageHandleStandardArgs)

FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_net
REQUIRED_VARS SDL2_NET_LIBRARIES SDL2_NET_INCLUDE_DIRS
VERSION_VAR SDL2_NET_VERSION_STRING)

# for backward compatibility
set(SDLNET_LIBRARY ${SDL2_NET_LIBRARIES})
set(SDLNET_INCLUDE_DIR ${SDL2_NET_INCLUDE_DIRS})
set(SDLNET_FOUND ${SDL2_NET_FOUND})

mark_as_advanced(SDL2_NET_LIBRARY SDL2_NET_INCLUDE_DIR)
16 changes: 11 additions & 5 deletions readme.md
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@@ -1,6 +1,5 @@

This repository contains CMake scripts for finding the `SDL2`, `SDL2_image` and
`SDL2_ttf` libraries and headers.
This repository contains CMake scripts for finding the `SDL2`, `SDL2_image`, `SDL2_ttf`, `SDL2_mixer` and `SDL2_net` libraries and headers.

CMake itself comes with corresponding scripts for SDL 1.2, which hopefully in
time will be updated for SDL2 and make this repo redundant. In the mean
Expand Down Expand Up @@ -31,13 +30,20 @@ themselves by adding
find_package(SDL2 REQUIRED)
find_package(SDL2_image REQUIRED)
find_package(SDL2_ttf REQUIRED)
find_package(SDL2_mixer REQUIRED)
find_package(SDL2_net REQUIRED)

include_directories(${SDL2_INCLUDE_DIR}
${SDL2_IMAGE_INCLUDE_DIR}
${SDL2_TTF_INCLUDE_DIR})
${SDL2_IMAGE_INCLUDE_DIRS}
${SDL2_TTF_INCLUDE_DIRS}
${SDL2_MIXER_INCLUDE_DIRS}
${SDL2_NET_INCLUDE_DIRS})

target_link_libraries(target ${SDL2_LIBRARY}
${SDL2_IMAGE_LIBRARIES}
${SDL2_TTF_LIBRARIES})
${SDL2_TTF_LIBRARIES}
${SDL2_MIXER_LIBRARIES}
${SDL2_NET_LIBRARIES})

```

Expand Down