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Remove FindZLIB.cmake

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This module has been included with CMake since at least 2.8, which
is already required by libxlsxwriter.

See related discussion at #207
This commit is contained in:
Evan Miller 2019-05-15 09:11:53 -04:00 committed by John McNamara
parent f34673a92f
commit 39a66bef23
1 changed files with 0 additions and 123 deletions
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123
cmake/FindZLIB.cmake
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@ -1,123 +0,0 @@
# :copyright: (c) 2017 Alex Huszagh.
# :license: FreeBSD, see LICENSE.txt for more details.
# FindZLIB
# --------
#
# Find ZLIB include dirs and libraries
#
# Use this module by invoking find_package with the form::
#
# find_package(ZLIB
# [version] [EXACT] # Minimum or EXACT version e.g. 1.0.6
# [REQUIRED] # Fail with error if ZLIB is not found
# )
#
# You may also set `ZLIB_USE_STATIC_LIBS` to prefer static libraries
# to shared ones.
#
# If found, `ZLIB_FOUND` will be set to true, and `ZLIB_LIBRARIES`
# and `ZLIB_INCLUDE_DIRS` will both be set.
#
# You may optionally set `ZLIB_ROOT` to specify a custom root directory
# for the ZLIB installation.
#
include(CheckCXXSourceCompiles)
include(FindPackage)
# PATHS
# -----
set(ZLIB_SEARCH_PATHS)
if(ZLIB_ROOT)
list(APPEND ZLIB_SEARCH_PATHS ${ZLIB_ROOT})
endif()
if(WIN32)
list(APPEND ZLIB_SEARCH_PATHS
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\GnuWin32\\Zlib;InstallPath]"
"$ENV{PROGRAMFILES}/zlib"
)
endif()
unset(ZLIB_SYSTEM_ROOT)
unset(ZLIB_CUSTOM_ROOT)
unset(ZLIB_SEARCH_HKEY)
# FIND
# ----
# INCLUDE DIRECTORY
SetSuffixes(ZLIB)
foreach(search ${ZLIB_SEARCH_PATHS})
FIND_PATH(ZLIB_INCLUDE_DIR
NAMES zlib.h
PATHS ${search}
PATH_SUFFIXES include
)
endforeach(search)
if(NOT ZLIB_INCLUDE_DIR)
FIND_PATH(ZLIB_INCLUDE_DIR zlib.h PATH_SUFFIXES include)
endif()
# LIBRARY PATHS
set(ZLIB_LIBRARY_NAMES z libz zlib zlib1)
if(CMAKE_BUILD_TYPE MATCHES Debug)
list(APPEND ZLIB_LIBRARY_NAMES zlibd zlibd1)
endif()
foreach(search ${ZLIB_SEARCH_PATHS})
FIND_LIBRARY(ZLIB_LIBRARY
NAMES ${ZLIB_LIBRARY_NAMES}
PATHS ${search}
PATH_SUFFIXES lib
)
endforeach(search)
if(NOT ZLIB_LIBRARY)
FIND_LIBRARY(ZLIB_LIBRARY NAMES ${ZLIB_LIBRARY_NAMES} PATH_SUFFIXES lib)
endif()
set(ZLIB_INCLUDE_DIRS ${ZLIB_INCLUDE_DIR})
set(ZLIB_LIBRARIES ${ZLIB_LIBRARY})
CheckFound(ZLIB)
FindStaticLibs(ZLIB)
# VERSION
# -------
if(ZLIB_FOUND)
file(STRINGS "${ZLIB_INCLUDE_DIRS}/zlib.h" ZLIB_VERSION_CONTENTS REGEX "#define ZLIB_VERSION \"[0-9]+\\.[0-9]+\\.[0-9]+\"")
string(REGEX REPLACE ".*ZLIB_VERSION \"([0-9]+)\\.[0-9]+\\.[0-9]+\"" "\\1" ZLIB_VERSION_MAJOR "${ZLIB_VERSION_CONTENTS}")
string(REGEX REPLACE ".*ZLIB_VERSION \"[0-9]+\\.([0-9]+)\\.[0-9]+\"" "\\1" ZLIB_VERSION_MINOR "${ZLIB_VERSION_CONTENTS}")
string(REGEX REPLACE ".*ZLIB_VERSION \"[0-9]+\\.[0-9]+\\.([0-9]+)\"" "\\1" ZLIB_VERSION_PATCH "${ZLIB_VERSION_CONTENTS}")
set(ZLIB_VERSION_STRING "${ZLIB_VERSION_MAJOR}.${ZLIB_VERSION_MINOR}.${ZLIB_VERSION_PATCH}")
set(ZLIB_VERSION ${ZLIB_VERSION_STRING})
MatchVersion(ZLIB)
endif()
# COMPILATION
# -----------
set(ZLIB_CODE "
#include <zlib.h>
int main(void)
{
const char *version;
version = zlibVersion();
return 0;
}
"
)
if(ZLIB_FOUND)
CheckCompiles(ZLIB)
endif()
RequiredPackageFound(ZLIB)