File rtl-sdr-0015-modernize-cmake-usage.patch of Package rtl-sdr

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File rtl-sdr-0015-modernize-cmake-usage.patch of Package rtl-sdr

diff -up librtlsdr-0.6.0/CMakeLists.txt.aaaa librtlsdr-0.6.0/CMakeLists.txt
--- librtlsdr-0.6.0/CMakeLists.txt.aaaa	2018-08-26 14:54:51.000000000 +0200
+++ librtlsdr-0.6.0/CMakeLists.txt	2021-07-11 20:54:05.540782656 +0200
@@ -1,41 +1,44 @@
-# Copyright 2012 OSMOCOM Project
+# Copyright 2012-2020 Osmocom Project
 #
 # This file is part of rtl-sdr
 #
-# GNU Radio is free software; you can redistribute it and/or modify
+# This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
 #
-# GNU Radio is distributed in the hope that it will be useful,
+# This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING.  If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
 ########################################################################
 # Project setup
 ########################################################################
-cmake_minimum_required(VERSION 2.6)
-project(rtlsdr C)
+cmake_minimum_required(VERSION 3.7.2)
+
+# workaround for https://gitlab.kitware.com/cmake/cmake/issues/16967
+if(${CMAKE_VERSION} VERSION_LESS "3.12.0")
+    project(rtlsdr)
+else()
+    project(rtlsdr C)
+endif()
 
 #select the release build type by default to get optimization flags
 if(NOT CMAKE_BUILD_TYPE)
    set(CMAKE_BUILD_TYPE "Release")
    message(STATUS "Build type not specified: defaulting to release.")
 endif(NOT CMAKE_BUILD_TYPE)
-set(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE} CACHE STRING "")
 
-list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake/Modules)
+list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/Modules)
 
-if(NOT LIB_INSTALL_DIR)
-   set(LIB_INSTALL_DIR lib)
-endif()
+include(GNUInstallDirs)
+include(GenerateExportHeader)
+include(CMakePackageConfigHelpers)
 
 # Set the version information here
 set(VERSION_INFO_MAJOR_VERSION 0) # increment major on api compatibility changes
@@ -63,12 +66,12 @@ endif()
 ########################################################################
 # Find build dependencies
 ########################################################################
-find_package(PkgConfig)
-find_package(LibUSB)
 if(WIN32 AND NOT MINGW)
     set(THREADS_USE_PTHREADS_WIN32 true)
 endif()
 find_package(Threads)
+find_package(PkgConfig)
+pkg_check_modules(LIBUSB libusb-1.0 IMPORTED_TARGET)
 
 if(NOT LIBUSB_FOUND)
     message(FATAL_ERROR "LibUSB 1.0 required to compile rtl-sdr")
@@ -76,27 +79,12 @@ endif()
 if(NOT THREADS_FOUND)
     message(FATAL_ERROR "pthreads(-win32) required to compile rtl-sdr")
 endif()
-########################################################################
-# Setup the include and linker paths
-########################################################################
-include_directories(
-    ${CMAKE_SOURCE_DIR}/include
-    ${LIBUSB_INCLUDE_DIR}
-    ${THREADS_PTHREADS_INCLUDE_DIR}
-)
-
-#link_directories(
-#    ...
-#)
-
-# Set component parameters
-#set(INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/include CACHE INTERNAL "" FORCE)
 
 ########################################################################
 # Create uninstall target
 ########################################################################
 configure_file(
-    ${CMAKE_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in
+    ${PROJECT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake
 @ONLY)
 
@@ -126,10 +114,26 @@ else (DETACH_KERNEL_DRIVER)
     message (STATUS "Building with kernel driver detaching disabled, use -DDETACH_KERNEL_DRIVER=ON to enable")
 endif (DETACH_KERNEL_DRIVER)
 
+option(ENABLE_ZEROCOPY "Enable usbfs zero-copy support" OFF)
+if (ENABLE_ZEROCOPY)
+    message (STATUS "Building with usbfs zero-copy support enabled")
+    add_definitions(-DENABLE_ZEROCOPY=1)
+else (ENABLE_ZEROCOPY)
+    message (STATUS "Building with usbfs zero-copy support disabled, use -DENABLE_ZEROCOPY=ON to enable")
+endif (ENABLE_ZEROCOPY)
+
+########################################################################
+# Install public header files
+########################################################################
+install(FILES
+    include/rtl-sdr.h
+    include/rtl-sdr_export.h
+    DESTINATION include
+)
+
 ########################################################################
 # Add subdirectories
 ########################################################################
-add_subdirectory(include)
 add_subdirectory(src)
 
 ########################################################################
@@ -153,10 +157,10 @@ IF(CMAKE_CROSSCOMPILING)
     UNSET(RTLSDR_PC_LIBS)
 ENDIF(CMAKE_CROSSCOMPILING)
 
-set(prefix ${CMAKE_INSTALL_PREFIX})
+set(prefix "${CMAKE_INSTALL_PREFIX}")
 set(exec_prefix \${prefix})
-set(libdir \${exec_prefix}/${LIB_INSTALL_DIR})
 set(includedir \${prefix}/include)
+set(libdir \${exec_prefix}/lib)
 
 CONFIGURE_FILE(
     ${CMAKE_CURRENT_SOURCE_DIR}/librtlsdr.pc.in
@@ -165,10 +169,38 @@ CONFIGURE_FILE(
 
 INSTALL(
     FILES ${CMAKE_CURRENT_BINARY_DIR}/librtlsdr.pc
-    DESTINATION ${LIB_INSTALL_DIR}/pkgconfig
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
 )
 
 ########################################################################
+# Create CMake Config File
+########################################################################
+write_basic_package_version_file(
+  "${CMAKE_CURRENT_BINARY_DIR}/rtlsdr/rtlsdrConfigVersion.cmake"
+  VERSION ${VERSION}
+  COMPATIBILITY AnyNewerVersion
+  )
+
+configure_file(cmake/rtlsdrConfig.cmake
+  "${CMAKE_CURRENT_BINARY_DIR}/rtlsdr/rtlsdrConfig.cmake"
+  COPYONLY
+  )
+
+set(ConfigPackageLocation lib/cmake/rtlsdr)
+install(EXPORT RTLSDR-export
+  FILE rtlsdrTargets.cmake
+  NAMESPACE rtlsdr::
+  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/rtlsdr/
+  )
+install(
+  FILES
+  cmake/rtlsdrConfig.cmake
+  "${CMAKE_CURRENT_BINARY_DIR}/rtlsdr/rtlsdrConfigVersion.cmake"
+  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/rtlsdr/
+  COMPONENT Devel
+  )
+
+########################################################################
 # Print Summary
 ########################################################################
 MESSAGE(STATUS "Building for version: ${VERSION} / ${LIBVER}")
diff --git a/cmake/Modules/FindLibUSB.cmake b/cmake/Modules/FindLibUSB.cmake
deleted file mode 100644
index abe6ee4..0000000
--- a/cmake/Modules/FindLibUSB.cmake
+++ /dev/null
@@ -1,55 +0,0 @@
-if(NOT LIBUSB_FOUND)
-  pkg_check_modules (LIBUSB_PKG libusb-1.0)
-  find_path(LIBUSB_INCLUDE_DIR NAMES libusb.h
-    PATHS
-    ${LIBUSB_PKG_INCLUDE_DIRS}
-    /usr/include/libusb-1.0
-    /usr/include
-    /usr/local/include
-  )
-
-#standard library name for libusb-1.0
-set(libusb1_library_names usb-1.0)
-
-#libusb-1.0 compatible library on freebsd
-if((CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") OR (CMAKE_SYSTEM_NAME STREQUAL "kFreeBSD"))
-    list(APPEND libusb1_library_names usb)
-endif()
-
-  find_library(LIBUSB_LIBRARIES
-    NAMES ${libusb1_library_names}
-    PATHS
-    ${LIBUSB_PKG_LIBRARY_DIRS}
-    /usr/lib
-    /usr/local/lib
-  )
-
-include(CheckFunctionExists)
-if(LIBUSB_INCLUDE_DIRS)
-    set(CMAKE_REQUIRED_INCLUDES ${LIBUSB_INCLUDE_DIRS})
-endif()
-if(LIBUSB_LIBRARIES)
-    set(CMAKE_REQUIRED_LIBRARIES ${LIBUSB_LIBRARIES})
-endif()
-
-CHECK_FUNCTION_EXISTS("libusb_handle_events_timeout_completed" HAVE_LIBUSB_HANDLE_EVENTS_TIMEOUT_COMPLETED)
-if(HAVE_LIBUSB_HANDLE_EVENTS_TIMEOUT_COMPLETED)
-    add_definitions(-DHAVE_LIBUSB_HANDLE_EVENTS_TIMEOUT_COMPLETED=1)
-endif(HAVE_LIBUSB_HANDLE_EVENTS_TIMEOUT_COMPLETED)
-
-CHECK_FUNCTION_EXISTS("libusb_error_name" HAVE_LIBUSB_ERROR_NAME)
-if(HAVE_LIBUSB_ERROR_NAME)
-    add_definitions(-DHAVE_LIBUSB_ERROR_NAME=1)
-endif(HAVE_LIBUSB_ERROR_NAME)
-
-if(LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
-  set(LIBUSB_FOUND TRUE CACHE INTERNAL "libusb-1.0 found")
-  message(STATUS "Found libusb-1.0: ${LIBUSB_INCLUDE_DIR}, ${LIBUSB_LIBRARIES}")
-else(LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
-  set(LIBUSB_FOUND FALSE CACHE INTERNAL "libusb-1.0 found")
-  message(STATUS "libusb-1.0 not found.")
-endif(LIBUSB_INCLUDE_DIR AND LIBUSB_LIBRARIES)
-
-mark_as_advanced(LIBUSB_INCLUDE_DIR LIBUSB_LIBRARIES)
-
-endif(NOT LIBUSB_FOUND)
diff --git a/cmake/Modules/FindThreads.cmake b/cmake/Modules/FindThreads.cmake
deleted file mode 100644
index 8028b15..0000000
--- a/cmake/Modules/FindThreads.cmake
+++ /dev/null
@@ -1,246 +0,0 @@
-# Updated FindThreads.cmake that supports pthread-win32
-# Downloaded from http://www.vtk.org/Bug/bug_view_advanced_page.php?bug_id=6399
-
-# - This module determines the thread library of the system.
-#
-# The following variables are set
-#  CMAKE_THREAD_LIBS_INIT     - the thread library
-#  CMAKE_USE_SPROC_INIT       - are we using sproc?
-#  CMAKE_USE_WIN32_THREADS_INIT - using WIN32 threads?
-#  CMAKE_USE_PTHREADS_INIT    - are we using pthreads
-#  CMAKE_HP_PTHREADS_INIT     - are we using hp pthreads
-#
-# If use of pthreads-win32 is desired, the following variables
-# can be set.
-#
-#  THREADS_USE_PTHREADS_WIN32 -
-#    Setting this to true searches for the pthreads-win32
-#    port (since CMake 2.8.0)
-#
-#  THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME
-#      C  = no exceptions (default)
-#         (NOTE: This is the default scheme on most POSIX thread
-#          implementations and what you should probably be using)
-#      CE = C++ Exception Handling
-#      SE = Structure Exception Handling (MSVC only)
-#      (NOTE: Changing this option from the default may affect
-#       the portability of your application.  See pthreads-win32
-#       documentation for more details.)
-#
-#======================================================
-# Example usage where threading library
-# is provided by the system:
-#
-#   find_package(Threads REQUIRED)
-#   add_executable(foo foo.cc)
-#   target_link_libraries(foo ${CMAKE_THREAD_LIBS_INIT})
-#
-# Example usage if pthreads-win32 is desired on Windows
-# or a system provided thread library:
-#
-#   set(THREADS_USE_PTHREADS_WIN32 true)
-#   find_package(Threads REQUIRED)
-#   include_directories(${THREADS_PTHREADS_INCLUDE_DIR})
-#
-#   add_executable(foo foo.cc)
-#   target_link_libraries(foo ${CMAKE_THREAD_LIBS_INIT})
-#
-
-INCLUDE (CheckIncludeFiles)
-INCLUDE (CheckLibraryExists)
-SET(Threads_FOUND FALSE)
-
-IF(WIN32 AND NOT CYGWIN AND THREADS_USE_PTHREADS_WIN32)
-  SET(_Threads_ptwin32 true)
-ENDIF()
-
-# Do we have sproc?
-IF(CMAKE_SYSTEM MATCHES IRIX)
-  CHECK_INCLUDE_FILES("sys/types.h;sys/prctl.h"  CMAKE_HAVE_SPROC_H)
-ENDIF()
-
-IF(CMAKE_HAVE_SPROC_H)
-  # We have sproc
-  SET(CMAKE_USE_SPROC_INIT 1)
-
-ELSEIF(_Threads_ptwin32)
-
-  IF(NOT DEFINED THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME)
-    # Assign the default scheme
-    SET(THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME "C")
-  ELSE()
-    # Validate the scheme specified by the user
-    IF(NOT THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME STREQUAL "C" AND
-       NOT THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME STREQUAL "CE" AND
-       NOT THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME STREQUAL "SE")
-         MESSAGE(FATAL_ERROR "See documentation for FindPthreads.cmake, only C, CE, and SE modes are allowed")
-    ENDIF()
-    IF(NOT MSVC AND THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME STREQUAL "SE")
-      MESSAGE(FATAL_ERROR "Structured Exception Handling is only allowed for MSVC")
-    ENDIF(NOT MSVC AND THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME STREQUAL "SE")
-  ENDIF()
-
-  FIND_PATH(THREADS_PTHREADS_INCLUDE_DIR pthread.h)
-
-  # Determine the library filename
-  IF(MSVC)
-    SET(_Threads_pthreads_libname
-        pthreadV${THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME}2)
-  ELSEIF(MINGW)
-    SET(_Threads_pthreads_libname
-        pthreadG${THREADS_PTHREADS_WIN32_EXCEPTION_SCHEME}2)
-  ELSE()
-    MESSAGE(FATAL_ERROR "This should never happen")
-  ENDIF()
-
-  # Use the include path to help find the library if possible
-  SET(_Threads_lib_paths "")
-  IF(THREADS_PTHREADS_INCLUDE_DIR)
-     GET_FILENAME_COMPONENT(_Threads_root_dir
-                            ${THREADS_PTHREADS_INCLUDE_DIR} PATH)
-     SET(_Threads_lib_paths ${_Threads_root_dir}/lib)
-  ENDIF()
-  FIND_LIBRARY(THREADS_PTHREADS_WIN32_LIBRARY
-               NAMES ${_Threads_pthreads_libname}
-               PATHS ${_Threads_lib_paths}
-               DOC "The Portable Threads Library for Win32"
-               NO_SYSTEM_PATH
-               )
-
-  IF(THREADS_PTHREADS_INCLUDE_DIR AND THREADS_PTHREADS_WIN32_LIBRARY)
-    MARK_AS_ADVANCED(THREADS_PTHREADS_INCLUDE_DIR)
-    SET(CMAKE_THREAD_LIBS_INIT ${THREADS_PTHREADS_WIN32_LIBRARY})
-    SET(CMAKE_HAVE_THREADS_LIBRARY 1)
-    SET(Threads_FOUND TRUE)
-  ENDIF()
-
-  MARK_AS_ADVANCED(THREADS_PTHREADS_WIN32_LIBRARY)
-
-ELSE()
-  # Do we have pthreads?
-  CHECK_INCLUDE_FILES("pthread.h" CMAKE_HAVE_PTHREAD_H)
-  IF(CMAKE_HAVE_PTHREAD_H)
-
-    #
-    # We have pthread.h
-    # Let's check for the library now.
-    #
-    SET(CMAKE_HAVE_THREADS_LIBRARY)
-    IF(NOT THREADS_HAVE_PTHREAD_ARG)
-
-      # Do we have -lpthreads
-      CHECK_LIBRARY_EXISTS(pthreads pthread_create "" CMAKE_HAVE_PTHREADS_CREATE)
-      IF(CMAKE_HAVE_PTHREADS_CREATE)
-        SET(CMAKE_THREAD_LIBS_INIT "-lpthreads")
-        SET(CMAKE_HAVE_THREADS_LIBRARY 1)
-        SET(Threads_FOUND TRUE)
-      ENDIF()
-
-      # Ok, how about -lpthread
-      CHECK_LIBRARY_EXISTS(pthread pthread_create "" CMAKE_HAVE_PTHREAD_CREATE)
-      IF(CMAKE_HAVE_PTHREAD_CREATE)
-        SET(CMAKE_THREAD_LIBS_INIT "-lpthread")
-        SET(Threads_FOUND TRUE)
-        SET(CMAKE_HAVE_THREADS_LIBRARY 1)
-      ENDIF()
-
-      IF(CMAKE_SYSTEM MATCHES "SunOS.*")
-        # On sun also check for -lthread
-        CHECK_LIBRARY_EXISTS(thread thr_create "" CMAKE_HAVE_THR_CREATE)
-        IF(CMAKE_HAVE_THR_CREATE)
-          SET(CMAKE_THREAD_LIBS_INIT "-lthread")
-          SET(CMAKE_HAVE_THREADS_LIBRARY 1)
-          SET(Threads_FOUND TRUE)
-        ENDIF()
-      ENDIF(CMAKE_SYSTEM MATCHES "SunOS.*")
-
-    ENDIF(NOT THREADS_HAVE_PTHREAD_ARG)
-
-    IF(NOT CMAKE_HAVE_THREADS_LIBRARY)
-      # If we did not found -lpthread, -lpthread, or -lthread, look for -pthread
-      IF("THREADS_HAVE_PTHREAD_ARG" MATCHES "^THREADS_HAVE_PTHREAD_ARG")
-        MESSAGE(STATUS "Check if compiler accepts -pthread")
-        TRY_RUN(THREADS_PTHREAD_ARG THREADS_HAVE_PTHREAD_ARG
-          ${CMAKE_BINARY_DIR}
-          ${CMAKE_ROOT}/Modules/CheckForPthreads.c
-          CMAKE_FLAGS -DLINK_LIBRARIES:STRING=-pthread
-          COMPILE_OUTPUT_VARIABLE OUTPUT)
-
-        IF(THREADS_HAVE_PTHREAD_ARG)
-          IF(THREADS_PTHREAD_ARG MATCHES "^2$")
-            SET(Threads_FOUND TRUE)
-            MESSAGE(STATUS "Check if compiler accepts -pthread - yes")
-          ELSE()
-            MESSAGE(STATUS "Check if compiler accepts -pthread - no")
-            FILE(APPEND
-              ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
-              "Determining if compiler accepts -pthread returned ${THREADS_PTHREAD_ARG} instead of 2. The compiler had the following output:\n${OUTPUT}\n\n")
-          ENDIF()
-        ELSE()
-          MESSAGE(STATUS "Check if compiler accepts -pthread - no")
-          FILE(APPEND
-            ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
-            "Determining if compiler accepts -pthread failed with the following output:\n${OUTPUT}\n\n")
-        ENDIF()
-
-      ENDIF("THREADS_HAVE_PTHREAD_ARG" MATCHES "^THREADS_HAVE_PTHREAD_ARG")
-
-      IF(THREADS_HAVE_PTHREAD_ARG)
-        SET(Threads_FOUND TRUE)
-        SET(CMAKE_THREAD_LIBS_INIT "-pthread")
-      ENDIF()
-
-    ENDIF(NOT CMAKE_HAVE_THREADS_LIBRARY)
-  ENDIF(CMAKE_HAVE_PTHREAD_H)
-ENDIF()
-
-IF(CMAKE_THREAD_LIBS_INIT)
-  SET(CMAKE_USE_PTHREADS_INIT 1)
-  SET(Threads_FOUND TRUE)
-ENDIF()
-
-IF(CMAKE_SYSTEM MATCHES "Windows"
-   AND NOT THREADS_USE_PTHREADS_WIN32)
-  SET(CMAKE_USE_WIN32_THREADS_INIT 1)
-  SET(Threads_FOUND TRUE)
-ENDIF()
-
-IF(CMAKE_USE_PTHREADS_INIT)
-  IF(CMAKE_SYSTEM MATCHES "HP-UX-*")
-    # Use libcma if it exists and can be used.  It provides more
-    # symbols than the plain pthread library.  CMA threads
-    # have actually been deprecated:
-    #   http://docs.hp.com/en/B3920-90091/ch12s03.html#d0e11395
-    #   http://docs.hp.com/en/947/d8.html
-    # but we need to maintain compatibility here.
-    # The CMAKE_HP_PTHREADS setting actually indicates whether CMA threads
-    # are available.
-    CHECK_LIBRARY_EXISTS(cma pthread_attr_create "" CMAKE_HAVE_HP_CMA)
-    IF(CMAKE_HAVE_HP_CMA)
-      SET(CMAKE_THREAD_LIBS_INIT "-lcma")
-      SET(CMAKE_HP_PTHREADS_INIT 1)
-      SET(Threads_FOUND TRUE)
-    ENDIF(CMAKE_HAVE_HP_CMA)
-    SET(CMAKE_USE_PTHREADS_INIT 1)
-  ENDIF()
-
-  IF(CMAKE_SYSTEM MATCHES "OSF1-V*")
-    SET(CMAKE_USE_PTHREADS_INIT 0)
-    SET(CMAKE_THREAD_LIBS_INIT )
-  ENDIF()
-
-  IF(CMAKE_SYSTEM MATCHES "CYGWIN_NT*")
-    SET(CMAKE_USE_PTHREADS_INIT 1)
-    SET(Threads_FOUND TRUE)
-    SET(CMAKE_THREAD_LIBS_INIT )
-    SET(CMAKE_USE_WIN32_THREADS_INIT 0)
-  ENDIF()
-ENDIF(CMAKE_USE_PTHREADS_INIT)
-
-INCLUDE(FindPackageHandleStandardArgs)
-IF(_Threads_ptwin32)
-  FIND_PACKAGE_HANDLE_STANDARD_ARGS(Threads DEFAULT_MSG
-    THREADS_PTHREADS_WIN32_LIBRARY THREADS_PTHREADS_INCLUDE_DIR)
-ELSE()
-  FIND_PACKAGE_HANDLE_STANDARD_ARGS(Threads DEFAULT_MSG Threads_FOUND)
-ENDIF()
diff -up librtlsdr-0.6.0/src/CMakeLists.txt.aaaa librtlsdr-0.6.0/src/CMakeLists.txt
--- librtlsdr-0.6.0/src/CMakeLists.txt.aaaa	2021-07-08 13:39:12.962332505 +0200
+++ librtlsdr-0.6.0/src/CMakeLists.txt	2021-07-08 13:42:22.587472144 +0200
@@ -1,69 +1,66 @@
-# Copyright 2012 OSMOCOM Project
+# Copyright 2012-2020 Osmocom Project
 #
 # This file is part of rtl-sdr
 #
-# GNU Radio is free software; you can redistribute it and/or modify
+# This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
 #
-# GNU Radio is distributed in the hope that it will be useful,
+# This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING.  If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-
-MACRO(RTLSDR_APPEND_SRCS)
-    LIST(APPEND rtlsdr_srcs ${ARGV})
-ENDMACRO(RTLSDR_APPEND_SRCS)
-
-RTLSDR_APPEND_SRCS(
-    librtlsdr.c
-    tuner_e4k.c
-    tuner_fc0012.c
-    tuner_fc0013.c
-    tuner_fc2580.c
-    tuner_r82xx.c
-)
-
-########################################################################
-# Set up Windows DLL resource files
-########################################################################
-IF(MSVC)
-    include(${CMAKE_SOURCE_DIR}/cmake/Modules/Version.cmake)
-
-    configure_file(
-        ${CMAKE_CURRENT_SOURCE_DIR}/rtlsdr.rc.in
-        ${CMAKE_CURRENT_BINARY_DIR}/rtlsdr.rc
-    @ONLY)
-
-    RTLSDR_APPEND_SRCS(${CMAKE_CURRENT_BINARY_DIR}/rtlsdr.rc)
-ENDIF(MSVC)
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 ########################################################################
 # Setup shared library variant
 ########################################################################
-add_library(rtlsdr_shared SHARED ${rtlsdr_srcs})
-target_link_libraries(rtlsdr_shared ${LIBUSB_LIBRARIES})
-set_target_properties(rtlsdr_shared PROPERTIES DEFINE_SYMBOL "rtlsdr_EXPORTS")
-set_target_properties(rtlsdr_shared PROPERTIES OUTPUT_NAME rtlsdr)
-set_target_properties(rtlsdr_shared PROPERTIES SOVERSION ${MAJOR_VERSION})
-set_target_properties(rtlsdr_shared PROPERTIES VERSION ${LIBVER})
+add_library(rtlsdr SHARED librtlsdr.c
+  tuner_e4k.c tuner_fc0012.c tuner_fc0013.c tuner_fc2580.c tuner_r82xx.c)
+target_link_libraries(rtlsdr PkgConfig::LIBUSB)
+target_include_directories(rtlsdr PUBLIC
+  $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/include>
+  $<INSTALL_INTERFACE:include>  # <prefix>/include
+  )
+set_target_properties(rtlsdr PROPERTIES DEFINE_SYMBOL "rtlsdr_EXPORTS")
+set_target_properties(rtlsdr PROPERTIES OUTPUT_NAME rtlsdr)
+set_target_properties(rtlsdr PROPERTIES SOVERSION ${MAJOR_VERSION})
+set_target_properties(rtlsdr PROPERTIES VERSION ${LIBVER})
+generate_export_header(rtlsdr)
 
 ########################################################################
 # Setup static library variant
 ########################################################################
-add_library(rtlsdr_static STATIC ${rtlsdr_srcs})
-target_link_libraries(rtlsdr_static ${LIBUSB_LIBRARIES})
+add_library(rtlsdr_static STATIC librtlsdr.c
+  tuner_e4k.c tuner_fc0012.c tuner_fc0013.c tuner_fc2580.c tuner_r82xx.c)
+target_link_libraries(rtlsdr_static PkgConfig::LIBUSB)
+target_include_directories(rtlsdr_static PUBLIC
+  $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/include>
+  $<INSTALL_INTERFACE:include>  # <prefix>/include
+  )
 set_property(TARGET rtlsdr_static APPEND PROPERTY COMPILE_DEFINITIONS "rtlsdr_STATIC" )
 if(NOT WIN32)
 # Force same library filename for static and shared variants of the library
 set_target_properties(rtlsdr_static PROPERTIES OUTPUT_NAME rtlsdr)
 endif()
+generate_export_header(rtlsdr_static)
+
+########################################################################
+# Set up Windows DLL resource files
+########################################################################
+IF(MSVC)
+    include(${CMAKE_SOURCE_DIR}/cmake/Modules/Version.cmake)
+
+    configure_file(
+        ${CMAKE_CURRENT_SOURCE_DIR}/rtlsdr.rc.in
+        ${CMAKE_CURRENT_BINARY_DIR}/rtlsdr.rc
+    @ONLY)
+  target_sources(rtlsdr ${CMAKE_CURRENT_BINARY_DIR}/rtlsdr.rc)
+  target_sources(rtlsdr_static ${CMAKE_CURRENT_BINARY_DIR}/rtlsdr.rc)
+ENDIF(MSVC)
 
 ########################################################################
 # Setup libraries used in executables
@@ -71,13 +68,14 @@ endif()
 add_library(convenience_static STATIC
     convenience/convenience.c
 )
-
+target_include_directories(convenience_static
+  PRIVATE ${CMAKE_SOURCE_DIR}/include)
 if(WIN32)
 add_library(libgetopt_static STATIC
     getopt/getopt.c
 )
 target_link_libraries(convenience_static
-    rtlsdr_shared
+    rtlsdr
 )
 endif()
 
@@ -92,41 +90,40 @@ add_executable(rtl_eeprom rtl_eeprom.c)
 add_executable(rtl_adsb rtl_adsb.c)
 add_executable(rtl_power rtl_power.c)
 add_executable(rtl_biast rtl_biast.c)
-set(INSTALL_TARGETS rtlsdr_shared rtlsdr_static rtl_sdr rtl_tcp rtl_test rtl_fm rtl_eeprom rtl_adsb rtl_power rtl_biast)
+set(INSTALL_TARGETS rtlsdr rtlsdr_static rtl_sdr rtl_tcp rtl_test rtl_fm rtl_eeprom rtl_adsb rtl_power rtl_biast)
 
-target_link_libraries(rtl_sdr rtlsdr_shared convenience_static
+target_link_libraries(rtl_sdr rtlsdr convenience_static
     ${LIBUSB_LIBRARIES}
     ${CMAKE_THREAD_LIBS_INIT}
 )
-target_link_libraries(rtl_tcp rtlsdr_shared convenience_static
+target_link_libraries(rtl_tcp rtlsdr convenience_static
     ${LIBUSB_LIBRARIES}
     ${CMAKE_THREAD_LIBS_INIT}
 )
-target_link_libraries(rtl_test rtlsdr_shared convenience_static
+target_link_libraries(rtl_test rtlsdr convenience_static
     ${LIBUSB_LIBRARIES}
     ${CMAKE_THREAD_LIBS_INIT}
 )
-target_link_libraries(rtl_fm rtlsdr_shared convenience_static
+target_link_libraries(rtl_fm rtlsdr convenience_static
     ${LIBUSB_LIBRARIES}
     ${CMAKE_THREAD_LIBS_INIT}
 )
-target_link_libraries(rtl_eeprom rtlsdr_shared convenience_static
+target_link_libraries(rtl_eeprom rtlsdr convenience_static
     ${LIBUSB_LIBRARIES}
     ${CMAKE_THREAD_LIBS_INIT}
 )
-target_link_libraries(rtl_adsb rtlsdr_shared convenience_static
+target_link_libraries(rtl_adsb rtlsdr convenience_static
     ${LIBUSB_LIBRARIES}
     ${CMAKE_THREAD_LIBS_INIT}
 )
-target_link_libraries(rtl_power rtlsdr_shared convenience_static
+target_link_libraries(rtl_power rtlsdr convenience_static
     ${LIBUSB_LIBRARIES}
     ${CMAKE_THREAD_LIBS_INIT}
 )
-target_link_libraries(rtl_biast rtlsdr_shared convenience_static
+target_link_libraries(rtl_biast rtlsdr convenience_static
     ${LIBUSB_LIBRARIES}
     ${CMAKE_THREAD_LIBS_INIT}
 )
-
 if(UNIX)
 target_link_libraries(rtl_fm m)
 target_link_libraries(rtl_adsb m)
@@ -157,8 +154,12 @@ endif()
 ########################################################################
 # Install built library files & utilities
 ########################################################################
-install(TARGETS ${INSTALL_TARGETS}
-    LIBRARY DESTINATION ${LIB_INSTALL_DIR} # .so/.dylib file
-    ARCHIVE DESTINATION ${LIB_INSTALL_DIR} # .lib file
-    RUNTIME DESTINATION bin              # .dll file
-)
+install(TARGETS rtlsdr EXPORT RTLSDR-export
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} # .so/.dylib file
+  )
+install(TARGETS rtlsdr_static EXPORT RTLSDR-export
+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} # .so/.dylib file
+  )
+install(TARGETS rtl_sdr rtl_tcp rtl_test rtl_fm rtl_eeprom rtl_adsb rtl_power rtl_biast
+  DESTINATION ${CMAKE_INSTALL_BINDIR}
+  )
diff --git a/cmake/rtlsdrConfig.cmake b/cmake/rtlsdrConfig.cmake
new file mode 100644
index 0000000..eeff2f3
--- /dev/null
+++ b/cmake/rtlsdrConfig.cmake
@@ -0,0 +1,8 @@
+include(FindPkgConfig)
+pkg_check_modules(LIBUSB libusb-1.0 IMPORTED_TARGET)
+
+get_filename_component(RTLSDR_CMAKE_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
+
+if(NOT TARGET rtlsdr::rtlsdr)
+  include("${RTLSDR_CMAKE_DIR}/rtlsdrTargets.cmake")
+endif()

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File rtl-sdr-0015-modernize-cmake-usage.patch of Package rtl-sdr

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