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Build Jansson if library not found

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If the Jansson JSON library is not found on the system, it is built from
source.
This commit is contained in:
Markus Mäkelä
2017-01-27 07:28:57 +02:00
parent 89f456840c
commit 4adc9d705b
8 changed files with 32 additions and 6 deletions
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20
cmake/BuildJansson.cmake Normal file
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# If the Jansson library is not found, download it and build it from source.
set(JANSSON_REPO "https://github.com/akheron/jansson.git" CACHE STRING "Jansson Git repository")
# Release 2.9 of Jansson
set(JANSSON_TAG "v2.9" CACHE STRING "Jansson Git tag")
ExternalProject_Add(jansson
GIT_REPOSITORY ${JANSSON_REPO}
GIT_TAG ${JANSSON_TAG}
CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${CMAKE_BINARY_DIR}/jansson/install -DCMAKE_C_FLAGS=-fPIC
BINARY_DIR ${CMAKE_BINARY_DIR}/jansson
INSTALL_DIR ${CMAKE_BINARY_DIR}/jansson/install
UPDATE_COMMAND "")
set(JANSSON_FOUND TRUE CACHE INTERNAL "")
set(JANSSON_STATIC_FOUND TRUE CACHE INTERNAL "")
set(JANSSON_INCLUDE_DIR ${CMAKE_BINARY_DIR}/jansson/install/include CACHE INTERNAL "")
set(JANSSON_STATIC_LIBRARIES ${CMAKE_BINARY_DIR}/jansson/install/lib/libjansson.a CACHE INTERNAL "")
set(JANSSON_LIBRARIES ${JANSSON_STATIC_LIBRARIES} CACHE INTERNAL "")