Adding pkg-config file

.gitignore

@@ -31,6 +31,7 @@ build/*
 CHGCAR*
 *.png
 src/config.h
+src/den2obj.pc
 
 # do not save doc build
 docs/_build/

src/CMakeLists.txt

@@ -55,6 +55,7 @@ SET(VERSION_MINOR "2")
 SET(VERSION_MICRO "0")
 message(STATUS "Writing configuration file in: ${CMAKE_CURRENT_SOURCE_DIR}/config.h")
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config.h.in ${CMAKE_CURRENT_SOURCE_DIR}/config.h @ONLY)
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/den2obj.pc.in ${CMAKE_BINARY_DIR}/den2obj.pc @ONLY)
 
 # Enable release build
 if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
@@ -147,7 +148,12 @@ endif()
 # Installing
 ##
 include(GNUInstallDirs)
+
+# install shared library and header files
 install (TARGETS den2obj 
          DESTINATION bin
          LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-         PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/den2obj)
+         PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/den2obj)
+
+# install pkg-config files
+install(FILES ${CMAKE_BINARY_DIR}/den2obj.pc DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/pkgconfig)

src/den2obj.pc.in

@@ -0,0 +1,12 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=@CMAKE_INSTALL_PREFIX@
+libdir=${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
+
+Name: @PROJECT_NAME@
+Description: @PROJECT_DESCRIPTION@
+Version: @VERSION_MAJOR@.@VERSION_MINOR@.@VERSION_MICRO@
+
+Requires:
+Libs: -L${libdir} -lden2obj
+Cflags: -I${includedir}