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Add CMake option for building with ZLib

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This commit is contained in:
Julius Brüggemann 2021-03-29 19:57:08 +02:00 committed by Urs Fleisch
parent 85cc41082c
commit 1644c0dd87
2 changed files with 24 additions and 12 deletions
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29
CMakeLists.txt
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@ -93,20 +93,25 @@ math(EXPR TAGLIB_SOVERSION_PATCH "${TAGLIB_SOVERSION_REVISION}")
include(ConfigureChecks.cmake)
# Determine whether zlib is installed.
option(WITH_ZLIB "Build with ZLIB" ON)
if(NOT ZLIB_SOURCE)
find_package(ZLIB)
if(ZLIB_FOUND)
set(HAVE_ZLIB 1)
set(ZLIB_LIBRARIES_FLAGS -lz)
else()
set(HAVE_ZLIB 0)
if(WITH_ZLIB)
if(NOT ZLIB_SOURCE)
find_package(ZLIB)
if(ZLIB_FOUND)
set(HAVE_ZLIB 1)
set(ZLIB_LIBRARIES_FLAGS -lz)
else()
set(HAVE_ZLIB 0)
endif()
endif()
endif()
if(NOT HAVE_ZLIB AND ZLIB_SOURCE)
set(HAVE_ZLIB 1)
set(HAVE_ZLIB_SOURCE 1)
if(NOT HAVE_ZLIB AND ZLIB_SOURCE)
set(HAVE_ZLIB 1)
set(HAVE_ZLIB_SOURCE 1)
endif()
else()
set(HAVE_ZLIB 0)
endif()
if(NOT WIN32)

7
INSTALL.md
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@ -13,6 +13,12 @@ In order to build the included examples, use the `BUILD_EXAMPLES` option:
cmake -DBUILD_EXAMPLES=ON [...]
If you want to build TagLib without ZLib, you can use
cmake -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Release -DWITH_ZLIB=OFF .
make
sudo make install
See http://www.cmake.org/cmake/help/runningcmake.html for generic help on
running CMake.
@ -74,6 +80,7 @@ Useful configuration options used with CMake (GUI and/or command line):
| option | description |
| ----------------------- | ----------- |
| `WITH_ZLIB=` | Whether to build with ZLib |
| `ZLIB_ROOT=` | Where to find ZLib's root directory. Assumes parent of: `\include` and `\lib.`|
| `ZLIB_INCLUDE_DIR=` | Where to find ZLib's Include directory.|
| `ZLIB_LIBRARY=` | Where to find ZLib's Library.