Added config option for PKGCONFIG install location

Author: Alexander Damian

CMakeLists.txt

@@ -56,6 +56,10 @@ if (CPPKAFKA_RDKAFKA_STATIC_LIB)
     add_definitions("-DLIBRDKAFKA_STATICLIB")
 endif()
 
+if (NOT CPPKAFKA_PKGCONFIG_DIR)
+    set(CPPKAFKA_PKGCONFIG_DIR share/pkgconfig)
+endif()
+
 # Look for Boost (just need boost.optional headers here)
 find_package(Boost REQUIRED ${FIND_PACKAGE_QUIET})
 find_package(RdKafka REQUIRED ${FIND_PACKAGE_QUIET})

README.md

@@ -80,6 +80,7 @@ The following cmake options can be specified:
 * `CPPKAFKA_BOOST_STATIC_LIBS` : Link with Boost static libraries. Default is `ON`.
 * `CPPKAFKA_BOOST_USE_MULTITHREADED` : Use Boost multi-threaded libraries. Default is `ON`.
 * `CPPKAFKA_RDKAFKA_STATIC_LIB` : Link to Rdkafka static library. Default is `OFF`.
+* `CPPKAFKA_PKGCONFIG_DIR` : Install location of the .pc file. Default is `share/pkgconfig`.
 
 Example:
 ```Shell

cppkafka.pc.in

@@ -11,4 +11,4 @@ Version: @CPPKAFKA_VERSION@
 Requires: librdkafka >= 0.9.4
 Requires.private:
 Libs: -L${libdir} -L${sharedlibdir} -L@RDKAFKA_ROOT_DIR@/lib -lcppkafka -lrdkafka -lpthread -lrt -lssl -lcrypto -ldl -lz
-Cflags: -I${includedir} -I${includedir}/cppkafka -I@RDKAFKA_ROOT_DIR@/include -I@Boost_INCLUDE_DIRS@
+Cflags: -I${includedir} -I${includedir}/cppkafka -I@RDKAFKA_INCLUDE_DIR@ -I@Boost_INCLUDE_DIRS@

src/CMakeLists.txt

@@ -53,7 +53,7 @@ set(PKG_CONFIG ${PROJECT_SOURCE_DIR}/package/cppkafka.pc)
 configure_file(${PROJECT_SOURCE_DIR}/cppkafka.pc.in ${PKG_CONFIG} @ONLY)
 
 install(
-    FILES PKG_CONFIG
-    DESTINATION share/pkgconfig
+    FILES ${PKG_CONFIG}
+    DESTINATION ${CPPKAFKA_PKGCONFIG_DIR}
     COMPONENT pkgconfig
 )