icm auto option for ssl

CMakeLists.txt

@@ -10,7 +10,7 @@ include(./get_cpm.cmake)
 
 #######################################
 # cmake lib
-CPMAddPackage(gh:iboB/[email protected].1)
+CPMAddPackage(gh:iboB/[email protected].2)
 
 set(CMAKE_MODULE_PATH
     ${CMAKE_MODULE_PATH}
@@ -20,14 +20,15 @@ set(CMAKE_MODULE_PATH
 include(icm_dev_mode)
 include(icm_add_lib)
 include(icm_bigobj)
+include(icm_option)
 
 #######################################
 # options
 
 option(FISHNETS_STATIC "fishnets: build as static lib" OFF)
 option(FISHNETS_BUILD_TESTS "fishnets: build tests" ${ICM_DEV_MODE})
 option(FISHNETS_BUILD_EXAMPLES "fishnets: build examples" ${ICM_DEV_MODE})
-option(FISHNETS_SSL "fisnets: add ssl and secure websocket support" ON)
+icm_auto_option(FISHNETS_SSL "fisnets: add ssl and secure websocket support" AUTO)
 
 if(ICM_DEV_MODE)
     mark_as_advanced(FISHNETS_BUILD_TESTS FISHNETS_BUILD_EXAMPLES)
@@ -39,8 +40,10 @@ CPMAddPackage(gh:iboB/[email protected])
 CPMAddPackage(gh:iboB/[email protected])
 
 find_package(Threads REQUIRED)
+set(fishnetsHaveSsl FALSE)
 if(FISHNETS_SSL)
-    find_package(OpenSSL REQUIRED)
+    find_package(OpenSSL ${FISHNETS_SSL_REQUIRED})
+    set(fishnetsHaveSsl TRUE)
 endif()
 
 if(NOT TARGET Boost::boost)

code/fishnets/CMakeLists.txt

@@ -17,7 +17,7 @@ target_link_libraries(fishnets
         itlib::itlib
 )
 
-if(FISHNETS_SSL)
+if(fishnetsHaveSsl)
     target_link_libraries(fishnets PRIVATE
         OpenSSL::SSL
         OpenSSL::Crypto

test/CMakeLists.txt

@@ -13,7 +13,7 @@ target_link_libraries(fishnets-TestNullSSLSettings PUBLIC fishnets)
 
 macro(fishnets_dual_test test)
     add_doctest_lib_test(${test}-ws fishnets ${ARGN} LIBRARIES xec::xec fishnets-TestNullSSLSettings)
-    if(FISHNETS_SSL)
+    if(fishnetsHaveSsl)
         add_doctest_lib_test(${test}-ssl fishnets ${ARGN} LIBRARIES xec::xec fishnets-TestSSLSettings)
     endif()
 endmacro()