Merge topic 'FindOpenSSL-mingw'

1bf66fed FindOpenSSL: Search for unix-named libraries first on MinGW (#15765)
6b575dec FindOpenSSL: Tolerate tabs in header while parsing version (#15765)

Modules/FindOpenSSL.cmake

@@ -200,12 +200,8 @@ if(WIN32 AND NOT CYGWIN)
     set(OPENSSL_LIBRARIES ${SSL_EAY_LIBRARY} ${LIB_EAY_LIBRARY} )
   elseif(MINGW)
     # same player, for MinGW
-    set(LIB_EAY_NAMES libeay32)
-    set(SSL_EAY_NAMES ssleay32)
-    if(CMAKE_CROSSCOMPILING)
-      list(APPEND LIB_EAY_NAMES crypto)
-      list(APPEND SSL_EAY_NAMES ssl)
-    endif()
+    set(LIB_EAY_NAMES crypto libeay32)
+    set(SSL_EAY_NAMES ssl ssleay32)
     find_library(LIB_EAY
       NAMES
         ${LIB_EAY_NAMES}
@@ -325,7 +321,7 @@ endfunction()
 if (OPENSSL_INCLUDE_DIR)
   if(OPENSSL_INCLUDE_DIR AND EXISTS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h")
     file(STRINGS "${OPENSSL_INCLUDE_DIR}/openssl/opensslv.h" openssl_version_str
-         REGEX "^# *define[\t ]+OPENSSL_VERSION_NUMBER[\t ]+0x([0-9a-fA-F])+.*")
+         REGEX "^#[\t ]*define[\t ]+OPENSSL_VERSION_NUMBER[\t ]+0x([0-9a-fA-F])+.*")
 
     # The version number is encoded as 0xMNNFFPPS: major minor fix patch status
     # The status gives if this is a developer or prerelease and is ignored here.