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FindZLIB: add support for version handling (fixes #5588) 

This change depends on the fix for #9414 which should land very soon.
This commit is contained in:
Kovarththanan Rajaratnam 2010-04-11 10:29:20 +02:00
parent 001efa5961
commit 79442f8045
1 changed files with 13 additions and 3 deletions
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10
Modules/FindZLIB.cmake
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@ -4,6 +4,11 @@
# ZLIB_INCLUDE_DIRS - where to find zlib.h, etc.
# ZLIB_LIBRARIES - List of libraries when using zlib.
# ZLIB_FOUND - True if zlib found.
#
# ZLIB_VERSION_STRING - The version of zlib found (x.y.z)
# ZLIB_MAJOR_VERSION - the major version of zlib
# ZLIB_MINOR_VERSION - The minor version of zlib
# ZLIB_PATCH_VERSION - The patch version of zlib
#=============================================================================
# Copyright 2001-2009 Kitware, Inc.
@ -31,6 +36,11 @@ FIND_LIBRARY(ZLIB_LIBRARY
)
MARK_AS_ADVANCED(ZLIB_LIBRARY ZLIB_INCLUDE_DIR)
IF (ZLIB_INCLUDE_DIR)
FILE(READ "${ZLIB_INCLUDE_DIR}/zlib.h" ZLIB_H)
STRING(REGEX REPLACE ".*#define ZLIB_VERSION \"([0-9]+)\\.([0-9]+)\\.([0-9]+)\".*" "\\1.\\2.\\3" ZLIB_VERSION_STRING "${ZLIB_H}")
ENDIF()
# Per-recommendation
SET(ZLIB_INCLUDE_DIRS "${ZLIB_INCLUDE_DIR}")
SET(ZLIB_LIBRARIES "${ZLIB_LIBRARY}")