FindSDL: Add version support for FindSDL_net

This commit is contained in:
Benjamin Eikel 2012-09-01 14:10:59 +02:00 committed by Brad King
parent 80a95e185e
commit a5796112cb
1 changed files with 19 additions and 1 deletions

View File

@ -3,6 +3,7 @@
# 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
#
# $SDLDIR is an environment variable that would
# correspond to the ./configure --prefix=$SDLDIR
@ -57,7 +58,24 @@ 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}.${SDLNET_VERSION_PATCH})
unset(SDLNET_VERSION_MAJOR_LINE)
unset(SDLNET_VERSION_MINOR_LINE)
unset(SDLNET_VERSION_PATCH_LINE)
unset(SDLNET_VERSION_MAJOR)
unset(SDLNET_VERSION_MINOR)
unset(SDLNET_VERSION_PATCH)
endif()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDLNET
REQUIRED_VARS SDLNET_LIBRARY SDLNET_INCLUDE_DIR)
REQUIRED_VARS SDLNET_LIBRARY SDLNET_INCLUDE_DIR
VERSION_VAR SDLNET_VERSION_STRING)