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FindSDL: Use prefix SDL_NET, because it matches the file name. 

Add new variables, keep the old ones for compatibility.
Format the documentation header.
This commit is contained in:
Benjamin Eikel 2012-09-04 12:32:18 +02:00 committed by Brad King
parent 34e1a2ae56
commit ef5b439cc1
1 changed files with 40 additions and 25 deletions
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65
Modules/FindSDL_net.cmake
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@ -1,9 +1,14 @@
# Locate SDL_net library
# This module defines
# SDLNET_LIBRARY, the name of the library to link against
# SDLNET_FOUND, if false, do not try to link against
# SDLNET_INCLUDE_DIR, where to find the headers
# SDLNET_VERSION_STRING - human-readable string containing the version of SDL_net
# - Locate SDL_net library
# This module defines:
# SDL_NET_LIBRARIES, the name of the library to link against
# SDL_NET_INCLUDE_DIRS, where to find the headers
# SDL_NET_FOUND, if false, do not try to link against
# SDL_NET_VERSION_STRING - human-readable string containing the version of SDL_net
#
# For backward compatiblity the following variables are also set:
# SDLNET_LIBRARY (same value as SDL_NET_LIBRARIES)
# SDLNET_INCLUDE_DIR (same value as SDL_NET_INCLUDE_DIRS)
# SDLNET_FOUND (same value as SDL_NET_FOUND)
#
# $SDLDIR is an environment variable that would
# correspond to the ./configure --prefix=$SDLDIR
@ -26,7 +31,7 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
find_path(SDLNET_INCLUDE_DIR SDL_net.h
find_path(SDL_NET_INCLUDE_DIR SDL_net.h
HINTS
ENV SDLNETDIR
ENV SDLDIR
@ -43,7 +48,7 @@ find_path(SDLNET_INCLUDE_DIR SDL_net.h
/opt/csw # Blastwave
/opt
)
find_library(SDLNET_LIBRARY
find_library(SDL_NET_LIBRARY
NAMES SDL_net
HINTS
ENV SDLNETDIR
@ -58,24 +63,34 @@ find_library(SDLNET_LIBRARY
/opt
)
if(SDLNET_INCLUDE_DIR AND EXISTS "${SDLNET_INCLUDE_DIR}/SDL_net.h")
file(STRINGS "${SDLNET_INCLUDE_DIR}/SDL_net.h" SDLNET_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_NET_MAJOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDLNET_INCLUDE_DIR}/SDL_net.h" SDLNET_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_NET_MINOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDLNET_INCLUDE_DIR}/SDL_net.h" SDLNET_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" SDLNET_VERSION_MAJOR "${SDLNET_VERSION_MAJOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL_NET_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDLNET_VERSION_MINOR "${SDLNET_VERSION_MINOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL_NET_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDLNET_VERSION_PATCH "${SDLNET_VERSION_PATCH_LINE}")
set(SDLNET_VERSION_STRING ${SDLNET_VERSION_MAJOR}.${SDLNET_VERSION_MINOR}.${SDLNET_VERSION_PATCH})
unset(SDLNET_VERSION_MAJOR_LINE)
unset(SDLNET_VERSION_MINOR_LINE)
unset(SDLNET_VERSION_PATCH_LINE)
unset(SDLNET_VERSION_MAJOR)
unset(SDLNET_VERSION_MINOR)
unset(SDLNET_VERSION_PATCH)
if(SDL_NET_INCLUDE_DIR AND EXISTS "${SDL_NET_INCLUDE_DIR}/SDL_net.h")
file(STRINGS "${SDL_NET_INCLUDE_DIR}/SDL_net.h" SDL_NET_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_NET_MAJOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDL_NET_INCLUDE_DIR}/SDL_net.h" SDL_NET_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_NET_MINOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDL_NET_INCLUDE_DIR}/SDL_net.h" SDL_NET_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_NET_PATCHLEVEL[ \t]+[0-9]+$")
string(REGEX REPLACE "^#define[ \t]+SDL_NET_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_NET_VERSION_MAJOR "${SDL_NET_VERSION_MAJOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL_NET_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL_NET_VERSION_MINOR "${SDL_NET_VERSION_MINOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL_NET_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL_NET_VERSION_PATCH "${SDL_NET_VERSION_PATCH_LINE}")
set(SDL_NET_VERSION_STRING ${SDL_NET_VERSION_MAJOR}.${SDL_NET_VERSION_MINOR}.${SDL_NET_VERSION_PATCH})
unset(SDL_NET_VERSION_MAJOR_LINE)
unset(SDL_NET_VERSION_MINOR_LINE)
unset(SDL_NET_VERSION_PATCH_LINE)
unset(SDL_NET_VERSION_MAJOR)
unset(SDL_NET_VERSION_MINOR)
unset(SDL_NET_VERSION_PATCH)
endif()
set(SDL_NET_LIBRARIES ${SDL_NET_LIBRARY})
set(SDL_NET_INCLUDE_DIRS ${SDL_NET_INCLUDE_DIR})
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDLNET
REQUIRED_VARS SDLNET_LIBRARY SDLNET_INCLUDE_DIR
VERSION_VAR SDLNET_VERSION_STRING)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL_net
REQUIRED_VARS SDL_NET_LIBRARIES SDL_NET_INCLUDE_DIRS
VERSION_VAR SDL_NET_VERSION_STRING)
# for backward compatiblity
set(SDLNET_LIBRARY ${SDL_NET_LIBRARIES})
set(SDLNET_INCLUDE_DIR ${SDL_NET_INCLUDE_DIRS})
set(SDLNET_FOUND ${SDL_NET_FOUND})
mark_as_advanced(SDL_NET_LIBRARY SDL_NET_INCLUDE_DIR)