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[cmake] manual cJSON detection

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older builds do not ship the cmake files required for
find_package in their libcjson-dev package.
This commit is contained in:
Armin Novak 2023-03-10 08:22:17 +01:00 committed by akallabeth
parent 8d57fa0a7f
commit a9c52e1c79
1 changed files with 24 additions and 1 deletions
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25
libfreerdp/CMakeLists.txt
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@ -82,7 +82,30 @@ macro (freerdp_definition_add)
set (LIBFREERDP_DEFINITIONS ${LIBFREERDP_DEFINITIONS} PARENT_SCOPE)
endmacro()
find_package(cJSON REQUIRED)
find_package(cJSON)
# some very enthusiastic packagers forgot to package the cJSONConfig.cmake
# so try to find the paths manually
if (NOT CJSON_FOUND)
message("falling back to manual cJSON detection")
find_file(CJSON_INCLUDE_HEADER
NAMES cJSON.h
PATH_SUFFIXES cjson
REQUIRED
)
# Extract the include base path from the header file path.
# first remove the filename, and then the last directory component as we expect
# somepath/cjson/cJSON.h (#include <cjson/cJSON.h>)
get_filename_component(CJSON_INCLUDE_DIRS ${CJSON_INCLUDE_HEADER} DIRECTORY)
get_filename_component(CJSON_INCLUDE_DIRS ${CJSON_INCLUDE_DIRS} DIRECTORY)
find_library(CJSON_LIBRARIES
NAMES cjson
REQUIRED
)
endif()
freerdp_include_directory_add(${CJSON_INCLUDE_DIRS})
freerdp_library_add(${CJSON_LIBRARIES})