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CMake-Related Frequently-Asked-Questions (FAQ) {#cmake_faq}
==============================================
Below are a list of commonly-asked questions regarding NetCDF and CMake.
## How can I see the options available to CMake? {#listoptions}
$ cmake [path to source tree] -L - This will show the basic options.
$ cmake [path to source tree] -LA - This will show the basic and advanced options.
## How do I specify how to build a shared or static library? {#sharedstatic}
This is controlled with the internal `cmake` option, `BUILD_SHARED_LIBS`.
$ cmake [Source Directory] -DBUILD_SHARED_LIBS=[ON/OFF]
## Can I build both shared and static libraries at the same time with cmake? {#sharedstaticboth}
Not at this time; it is required to instead build first one version, and then the other, if you need both.
## What if I want to link against multiple libraries in a non-standard location? {#nonstdloc}
You can specify the path to search when looking for dependencies and header files using the `CMAKE_PREFIX_PATH` variable:
* Windows:
$ cmake [Source Directory] -DCMAKE_PREFIX_PATH=c:\shared\libs\
* Linux/Unix/OSX:
$ cmake [Source Directory] -DCMAKE_PREFIX_PATH=/usr/custom_library_locations/
## How can I specify linking against a particular library? {#partlib}
It depends on the library. To specify a custom `ZLib`, for example, you would do the following:
$ cmake [Source Directory] -DZLIB_LIBRARY=/path/to/my/zlib.lib
`HDF5` is more complex, since it requires both the `hdf5` and `hdf5_hl` libraries. You would specify custom `HDF5` libraries as follows:
$ cmake [Source Directory] -DHDF5_LIB=/path/to/hdf5.lib \
-DHDF5_HL_LIB=/path/to/hdf5_hl.lib \
-DHDF5_INCLUDE_DIR=/path/to/hdf5/include
Alternatively, you may specify:
$ cmake [Source Directory] \
-DHDF5_LIBRARIES="/path/to/hdf5.lib;/path/to/hdf5_hl.lib" \
-DHDF5_INCLUDE_DIR=/path/to/hdf5/include/
## How can I specify a Parallel Build using HDF5 {#parallelhdf}
If cmake is having problems finding the parallel `HDF5` install, you can specify the location manually:
$ cmake [Source Directory] -DENABLE_PARALLEL=ON \
-DHDF5_LIB=/usr/lib64/openmpi/lib/libhdf5.so \
-DHDF5_HL_LIB=/usr/lib64/openmpi/lib/libhdf5.hl.so \
-DHDF5_INCLUDE_DIR=/usr/include/openmpi-x86_64 \
You will, of course, need to use the location of the libraries specific to your development environment.
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