From 199bca2f54dbdef0cf4e7897563b97416db2b372 Mon Sep 17 00:00:00 2001
From: Paulo Antonio Alvarez <pauloaalvarez@gmail.com>
Date: Mon, 17 Oct 2016 22:12:12 -0200
Subject: [PATCH] Add pkg-config file support

We configure and install a pkg-config file so that our compilation and
linking flags can be more easily found using pkg-config.
---
 CMakeLists.txt | 6 ++++++
 libcJSON.pc.in | 9 +++++++++
 2 files changed, 15 insertions(+)
 create mode 100644 libcJSON.pc.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3c1e8d5..f5c3922 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -33,12 +33,18 @@ add_library(${PROJ_CJSON_UTILS}.shared SHARED ${HEADERS_UTILS} ${SOURCES_UTILS})
 set_target_properties(${PROJ_CJSON_UTILS}.shared PROPERTIES OUTPUT_NAME cJSON_utils)
 target_link_libraries(${PROJ_CJSON_UTILS}.shared ${PROJ_CJSON}.shared)
 
+set(prefix ${CMAKE_INSTALL_PREFIX})
+set(libdir "${CMAKE_INSTALL_PREFIX}/lib")
+configure_file("${cJSON_SOURCE_DIR}/libcJSON.pc.in"
+	             "${cJSON_BINARY_DIR}/libcJSON.pc" @ONLY)
+
 install (TARGETS ${PROJ_CJSON} DESTINATION lib${LIB_SUFFIX})
 install (TARGETS ${PROJ_CJSON}.shared DESTINATION lib${LIB_SUFFIX})
 install (FILES cJSON.h DESTINATION include/cJSON)
 install (TARGETS ${PROJ_CJSON_UTILS} DESTINATION lib${LIB_SUFFIX})
 install (TARGETS ${PROJ_CJSON_UTILS}.shared DESTINATION lib${LIB_SUFFIX})
 install (FILES cJSON_Utils.h DESTINATION include/cJSON)
+install (FILES ${cJSON_BINARY_DIR}/libcJSON.pc DESTINATION lib/pkgconfig)
 
 option(ENABLE_CJSON_TEST "Enable building cJSON test" OFF)
 if(ENABLE_CJSON_TEST)
diff --git a/libcJSON.pc.in b/libcJSON.pc.in
new file mode 100644
index 0000000..e04d5ee
--- /dev/null
+++ b/libcJSON.pc.in
@@ -0,0 +1,9 @@
+prefix=@prefix@
+libdir=@libdir@
+includedir=${prefix}/include/cJSON
+
+Name: libcJSON
+Version: 1.0
+Description: Ultralightweight JSON parser in ANSI C
+Libs: -L${libdir} -lcJSON
+Cflags: -I${includedir}