cmake: add option to use/install the non-amalgamated version

This commit is contained in:
Théo DELRIEU 2018-01-13 13:07:03 +01:00
parent 84bffd5d36
commit 5775084ffc
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GPG key ID: 51AC4B3A2C47C10F

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@ -16,12 +16,12 @@ include(ExternalProject)
## OPTIONS
##
option(JSON_BuildTests "Build the unit tests when BUILD_TESTING is enabled." ON)
option(JSON_MultipleHeaders "Use non-amalgamated version of the library." OFF)
##
## CONFIGURATION
##
set(NLOHMANN_JSON_TARGET_NAME ${PROJECT_NAME})
set(NLOHMANN_JSON_SOURCE_DIR "src/")
set(NLOHMANN_JSON_CONFIG_INSTALL_DIR "lib/cmake/${PROJECT_NAME}")
set(NLOHMANN_JSON_INCLUDE_INSTALL_DIR "include")
set(NLOHMANN_JSON_HEADER_INSTALL_DIR "${NLOHMANN_JSON_INCLUDE_INSTALL_DIR}/nlohmann")
@ -31,6 +31,12 @@ set(NLOHMANN_JSON_CMAKE_CONFIG_DIR "${CMAKE_CURRENT_BINARY_DIR}/cmake_c
set(NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE "${NLOHMANN_JSON_CMAKE_CONFIG_DIR}/${PROJECT_NAME}ConfigVersion.cmake")
set(NLOHMANN_JSON_CMAKE_PROJECT_CONFIG_FILE "${NLOHMANN_JSON_CMAKE_CONFIG_DIR}/${PROJECT_NAME}Config.cmake")
if (JSON_MultipleHeaders)
set(NLOHMANN_JSON_SOURCE_DIR "develop/")
else()
set(NLOHMANN_JSON_SOURCE_DIR "src/")
endif()
##
## TARGET
## create target and add include path
@ -40,7 +46,7 @@ add_library(${NLOHMANN_JSON_TARGET_NAME} INTERFACE)
target_include_directories(
${NLOHMANN_JSON_TARGET_NAME}
INTERFACE
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src>
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/${NLOHMANN_JSON_SOURCE_DIR}>
$<INSTALL_INTERFACE:include>
)