build: set SO version and generate pkg-config

Author: Acly

CMakeLists.txt

@@ -184,6 +184,18 @@ install(
   DESTINATION ${VISP_LIB_INSTALL_DIR}/cmake/visioncpp
 )
 
+if(PROJECT_IS_TOP_LEVEL AND VISP_STATIC_GGML)
+  configure_file(
+    scripts/pkg-config/visioncpp.pc.in
+    ${CMAKE_CURRENT_BINARY_DIR}/visioncpp.pc
+    @ONLY
+  )
+  install(
+    FILES ${CMAKE_CURRENT_BINARY_DIR}/visioncpp.pc
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
+  )
+endif()
+
 # Packaging
 
 if(PROJECT_IS_TOP_LEVEL)

scripts/pkg-config/visioncpp.pc.in

@@ -0,0 +1,10 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=${prefix}
+libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
+
+Name: visioncpp
+Description: Computer Vision ML inference in C++
+Version: @PROJECT_VERSION@
+Libs: -L${libdir} -lvisioncpp
+Cflags: -I${includedir}

src/visp/CMakeLists.txt

@@ -28,10 +28,10 @@ target_link_libraries(visioncpp
   PUBLIC ggml
   PRIVATE stb ${VISP_FMT_LINK}
 )
-# set_target_properties(visioncpp PROPERTIES
-#   VERSION ${PROJECT_VERSION}
-#   SOVERSION ${PROJECT_VERSION_MAJOR}
-# )
+set_target_properties(visioncpp PROPERTIES
+  VERSION ${PROJECT_VERSION}
+  SOVERSION ${PROJECT_VERSION_MAJOR}
+)
 
 if (MSVC AND VISP_TESTS)
   set_target_properties(visioncpp PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS ON)