!40 Export CMake Targets

From: @lb1107039128 
Reviewed-by: @Charlie_li 
Signed-off-by: @Charlie_li

0001-Export-CMake-Targets.patch

@@ -0,0 +1,93 @@
+From 38f5ccb11453fc2d612b06aa7a506c28d8f8363f Mon Sep 17 00:00:00 2001
+From: SE2Dev <5873790+SE2Dev@users.noreply.github.com>
+Date: Wed, 13 Oct 2021 22:45:11 +0000
+Subject: [PATCH] Export CMake Targets
+
+---
+ CMakeLists.txt  | 48 ++++++++++++++++++++++++++++++++++++++++++++++--
+ Config.cmake.in |  3 +++
+ 2 files changed, 49 insertions(+), 2 deletions(-)
+ create mode 100644 Config.cmake.in
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index e15e851..4e47a2a 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -240,7 +240,11 @@ add_library(srtp2
+ 
+ set_target_properties(srtp2 PROPERTIES VERSION ${CMAKE_PROJECT_VERSION})
+ 
+-target_include_directories(srtp2 PUBLIC crypto/include include)
++target_include_directories(srtp2 PUBLIC
++  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/crypto/include>
++  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
++  $<INSTALL_INTERFACE:/include>
++)
+ if(ENABLE_OPENSSL)
+   target_include_directories(srtp2 PRIVATE ${OPENSSL_INCLUDE_DIR})
+   target_link_libraries(srtp2 OpenSSL::Crypto)
+@@ -256,7 +260,10 @@ if(WIN32)
+   target_compile_definitions(srtp2 PUBLIC _CRT_SECURE_NO_WARNINGS)
+ endif()
+ 
+-install(TARGETS srtp2 DESTINATION lib)
++install(TARGETS srtp2 DESTINATION lib
++  EXPORT libSRTPTargets 
++)
++
+ install(FILES include/srtp.h crypto/include/auth.h
+   crypto/include/cipher.h
+   crypto/include/crypto_types.h
+@@ -352,3 +359,40 @@ if(TEST_APPS)
+     endif()
+   endif()
+ endif()
++
++# Export targets
++install(
++  EXPORT libSRTPTargets
++  FILE libSRTPTargets.cmake
++	NAMESPACE libSRTP::
++	DESTINATION lib/cmake/libSRTP
++)
++
++#--------------------------------------------------------------------
++# Create generated files
++#--------------------------------------------------------------------
++include(CMakePackageConfigHelpers)
++
++# Generate the config file that is includes the exports
++configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/Config.cmake.in
++  "${CMAKE_CURRENT_BINARY_DIR}/libSRTPConfig.cmake"
++  INSTALL_DESTINATION "${CONFIG_FILE_DIR}"
++  NO_SET_AND_CHECK_MACRO
++  NO_CHECK_REQUIRED_COMPONENTS_MACRO
++)
++
++# Generate the version file for the config file
++write_basic_package_version_file(
++  "${CMAKE_CURRENT_BINARY_DIR}/libSRTPConfigVersion.cmake"
++  VERSION "${CMAKE_PROJECT_VERSION}"
++  COMPATIBILITY AnyNewerVersion
++)
++
++#--------------------------------------------------------------------
++# Install CMake config files
++#--------------------------------------------------------------------
++install(FILES
++  ${CMAKE_CURRENT_BINARY_DIR}/libSRTPConfig.cmake
++  ${CMAKE_CURRENT_BINARY_DIR}/libSRTPConfigVersion.cmake
++  DESTINATION lib/cmake/libSRTP
++)
+diff --git a/Config.cmake.in b/Config.cmake.in
+new file mode 100644
+index 0000000..0ad9b17
+--- /dev/null
++++ b/Config.cmake.in
+@@ -0,0 +1,3 @@
++@PACKAGE_INIT@
++
++include ( "${CMAKE_CURRENT_LIST_DIR}/libSRTPTargets.cmake" )
+-- 
+2.42.0.windows.2
+

libsrtp.spec

@@ -1,6 +1,6 @@
 Name:           libsrtp
 Version:        2.4.2
-Release:        3
+Release:        4
 Summary:        Library for SRTP (Secure Realtime Transport Protocol)
 License:        BSD
 URL:            https://github.com/cisco/libsrtp
@@ -10,6 +10,7 @@ BuildRequires:  gcc
 
 Patch0001:      0001-cast-time_t-values-to-known-types-for-formatting-in-.patch
 Patch0002:      0002-Include-directory-should-point-to-include-not-to-inc.patch
+Patch0003:      0001-Export-CMake-Targets.patch
 
 %description
 This package provides an implementation of the Secure Real-time Transport Protocol (SRTP),
@@ -50,6 +51,9 @@ development of %{name}.
 %{_libdir}/*.so
 
 %changelog
+* Thu Feb 1 2024 liubo <liubo1@xfusion.com> - 2.4.2-4
+- Export CMake Targets
+
 * Wed Nov 22 2023 liubo <liubo1@xfusion.com> - 2.4.2-3
 - Include directory should point to 'include' not to 'include/srtp2'