1 files changed, 77 insertions, 0 deletions
diff --git a/cmake/PkgBuildConfig.cmake b/cmake/PkgBuildConfig.cmake
new file mode 100644
index 0000000..c8939e6
--- /dev/null
+++ b/cmake/PkgBuildConfig.cmake
@@ -0,0 +1,77 @@
+# pkg-config file generation
+#
+
+function(pkg_build_config)
+	set(options)
+	set(oneValueArgs NAME DESCRIPTION VERSION FILENAME LIBS_SELF)
+	set(multiValueArgs LIBS PRIVATE_LIBS REQUIRES CFLAGS)
+
+	cmake_parse_arguments(PKGCONFIG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+
+	if (NOT DEFINED PKGCONFIG_FILENAME AND DEFINED PKGCONFIG_NAME)
+		set(PKGCONFIG_FILENAME ${PKGCONFIG_NAME})
+	endif()
+	if (NOT DEFINED PKGCONFIG_FILENAME)
+		message(FATAL_ERROR "Missing FILENAME argument")
+	endif()
+	set(PKGCONFIG_FILE "${PROJECT_BINARY_DIR}/${PKGCONFIG_FILENAME}.pc")
+
+	if (NOT DEFINED PKGCONFIG_DESCRIPTION)
+		message(FATAL_ERROR "Missing DESCRIPTION argument")
+	endif()
+
+	if (NOT DEFINED PKGCONFIG_VERSION)
+		message(FATAL_ERROR "Missing VERSION argument")
+	endif()
+
+	# Write .pc "header"
+	file(WRITE "${PKGCONFIG_FILE}"
+		"prefix=\"${CMAKE_INSTALL_PREFIX}\"\n"
+		"libdir=\"${CMAKE_INSTALL_FULL_LIBDIR}\"\n"
+		"includedir=\"${CMAKE_INSTALL_FULL_INCLUDEDIR}\"\n"
+		"\n"
+		"Name: ${PKGCONFIG_NAME}\n"
+		"Description: ${PKGCONFIG_DESCRIPTION}\n"
+		"Version: ${PKGCONFIG_VERSION}\n"
+	)
+
+	# Prepare Libs
+	if(NOT DEFINED PKGCONFIG_LIBS_SELF)
+		set(PKGCONFIG_LIBS_SELF "${PKGCONFIG_FILE}")
+	endif()
+
+	if(NOT DEFINED PKGCONFIG_LIBS)
+		set(PKGCONFIG_LIBS "-l${PKGCONFIG_LIBS_SELF}")
+	else()
+		list(INSERT PKGCONFIG_LIBS 0 "-l${PKGCONFIG_LIBS_SELF}")
+	endif()
+
+	list(REMOVE_DUPLICATES PKGCONFIG_LIBS)
+	string(REPLACE ";" " " PKGCONFIG_LIBS "${PKGCONFIG_LIBS}")
+	file(APPEND "${PKGCONFIG_FILE}" "Libs: -L\${libdir} ${PKGCONFIG_LIBS}\n")
+
+	# Prepare Libs.private
+	if(DEFINED PKGCONFIG_PRIVATE_LIBS)
+		list(REMOVE_DUPLICATES PKGCONFIG_PRIVATE_LIBS)
+		string(REPLACE ";" " " PKGCONFIG_PRIVATE_LIBS "${PKGCONFIG_PRIVATE_LIBS}")
+		file(APPEND "${PKGCONFIG_FILE}" "Libs.private: ${PKGCONFIG_PRIVATE_LIBS}\n")
+	endif()
+
+	# Prepare Requires.private
+	if(DEFINED PKGCONFIG_REQUIRES)
+		list(REMOVE_DUPLICATES PKGCONFIG_REQUIRES)
+		string(REPLACE ";" " " PKGCONFIG_REQUIRES "${PKGCONFIG_REQUIRES}")
+		file(APPEND "${PKGCONFIG_FILE}" "Requires.private: ${PKGCONFIG_REQUIRES}\n")
+	endif()
+
+	# Prepare Cflags
+	if(DEFINED PKGCONFIG_CFLAGS)
+		string(REPLACE ";" " " PKGCONFIG_CFLAGS "${PKGCONFIG_CFLAGS}")
+	else()
+		set(PKGCONFIG_CFLAGS "")
+	endif()
+	file(APPEND "${PKGCONFIG_FILE}" "Cflags: -I\${includedir} ${PKGCONFIG_CFLAGS}\n")
+
+	# Install .pc file
+	install(FILES "${PKGCONFIG_FILE}" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
+endfunction()