From 69e8cc951cdb41cb4d838c73dd1bed522659b47f Mon Sep 17 00:00:00 2001
From: Gary Wang <wzc782970009@gmail.com>
Date: Tue, 23 Jul 2019 17:11:17 +0800
Subject: [PATCH] feat: pkg-config support

---
 CMakeLists.txt        |  4 +++-
 gio-qt/CMakeLists.txt | 19 ++++++++++++++++++-
 gio-qt/gio-qt.pc.in   | 12 ++++++++++++
 3 files changed, 33 insertions(+), 2 deletions(-)
 create mode 100644 gio-qt/gio-qt.pc.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9e029fc..35fe142 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,11 +16,13 @@ if (CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
     set(CMAKE_INSTALL_PREFIX /usr)
 endif ()
 
+include(GNUInstallDirs)
+
 # Find the QtWidgets library
 find_package(Qt5 ${QT_MINIMUM_VERSION} CONFIG REQUIRED Core)
 find_package(PkgConfig)
 
-pkg_check_modules(GIOMM giomm-2.4) # look into FindPkgConfig.cmake,
+pkg_check_modules(GIOMM giomm-2.4) # look into FindPkgConfig.cmake
 
 add_subdirectory (gio-qt)
 
diff --git a/gio-qt/CMakeLists.txt b/gio-qt/CMakeLists.txt
index 7ddc5c6..266adbc 100644
--- a/gio-qt/CMakeLists.txt
+++ b/gio-qt/CMakeLists.txt
@@ -1,5 +1,11 @@
 # Populate a CMake variable with the sources
 # TODO: portable headers?
+
+# Some custom variables
+set(DEST_DIR "${CMAKE_INSTALL_PREFIX}")
+
+CONFIGURE_FILE("gio-qt.pc.in" "gio-qt.pc" @ONLY)
+
 set (QGIO_PUBLIC_HEADER_FILES
     dgiovolumemanager.h
     dgiomountoperation.h
@@ -31,8 +37,19 @@ PUBLIC
     ${CMAKE_CURRENT_LIST_DIR}
 )
 
-target_link_libraries (gio-qt Qt5::Core ${GTKMM_LIBRARIES})
+target_link_libraries (gio-qt Qt5::Core ${GIOMM_LIBRARIES})
 
 target_compile_definitions(gio-qt PRIVATE
     QT_NO_KEYWORDS
 )
+
+## dev files
+install (FILES ${QGIO_PUBLIC_HEADER_FILES}
+    DESTINATION include/gio-qt
+)
+
+install (TARGETS gio-qt DESTINATION lib)
+
+install (FILES "${CMAKE_CURRENT_BINARY_DIR}/gio-qt.pc"
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
+)
diff --git a/gio-qt/gio-qt.pc.in b/gio-qt/gio-qt.pc.in
new file mode 100644
index 0000000..67e2d1b
--- /dev/null
+++ b/gio-qt/gio-qt.pc.in
@@ -0,0 +1,12 @@
+prefix=@DEST_DIR@
+exec_prefix=${prefix}
+libdir=${prefix}/lib
+includedir=${prefix}/include
+
+Name: gio-qt
+Description: Qt wrapper library for GIO.
+Version: 1.0
+Requires: glibmm-2.4
+
+Libs: -L${libdir} -lgio-qt
+Cflags: -I${includedir} -I{includedir}/gio-qt
\ No newline at end of file