From 5775084ffce3007224c76f53953ebca331aefb40 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20DELRIEU?= <delrieutheo@gmail.com>
Date: Sat, 13 Jan 2018 13:07:03 +0100
Subject: [PATCH] cmake: add option to use/install the non-amalgamated version
---
CMakeLists.txt | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8f3d9f4d..7e427020 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -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>
)