Merge pull request #7113 from endragor/static-openssl102

Allow static linking with OpenSSL 1.0.2

2 files changed, 30 insertions, 22 deletions

diff --git a/changelog.md b/changelog.md
index 3e6597ae9..bce2bcca3 100644
--- a/changelog.md
+++ b/changelog.md
@@ -212,9 +212,11 @@ for i in 1..15:
   styledEcho bgColor, bg, fgColor, fg, Nim, resetStyle
   int -= 0.01
   fg = intensity(fg, int)
-  
+
 setForegroundColor colRed
 setBackgroundColor colGreen
 styledEcho "Red on Green.", resetStyle
 ```
-
+- If you use ``--dynlibOverride:ssl`` with OpenSSL 1.0.x, you now have to
+  define ``openssl10`` symbol (``-d:openssl10``). By default OpenSSL 1.1.x is
+  assumed.
diff --git a/lib/wrappers/openssl.nim b/lib/wrappers/openssl.nim
index 1d0dc5897..70d3887db 100644
--- a/lib/wrappers/openssl.nim
+++ b/lib/wrappers/openssl.nim
@@ -209,32 +209,38 @@ proc TLSv1_method*(): PSSL_METHOD{.cdecl, dynlib: DLLSSLName, importc.}
 
 when compileOption("dynlibOverride", "ssl"):
   # Static linking
-  proc OPENSSL_init_ssl*(opts: uint64, settings: uint8): cint {.cdecl, dynlib: DLLSSLName, importc, discardable.}
-  proc SSL_library_init*(): cint {.discardable.} =
-    ## Initialize SSL using OPENSSL_init_ssl for OpenSSL >= 1.1.0
-    return OPENSSL_init_ssl(0.uint64, 0.uint8)
 
-  proc TLS_method*(): PSSL_METHOD {.cdecl, dynlib: DLLSSLName, importc.}
-  proc SSLv23_method*(): PSSL_METHOD =
-    TLS_method()
+  when defined(openssl10):
+    proc SSL_library_init*(): cint {.cdecl, dynlib: DLLSSLName, importc, discardable.}
+    proc SSL_load_error_strings*() {.cdecl, dynlib: DLLSSLName, importc.}
+    proc SSLv23_method*(): PSSL_METHOD {.cdecl, dynlib: DLLSSLName, importc.}
+  else:
+    proc OPENSSL_init_ssl*(opts: uint64, settings: uint8): cint {.cdecl, dynlib: DLLSSLName, importc, discardable.}
+    proc SSL_library_init*(): cint {.discardable.} =
+      ## Initialize SSL using OPENSSL_init_ssl for OpenSSL >= 1.1.0
+      return OPENSSL_init_ssl(0.uint64, 0.uint8)
 
-  proc SSLv23_client_method*(): PSSL_METHOD {.cdecl, dynlib: DLLSSLName, importc.}
-  proc SSLv2_method*(): PSSL_METHOD {.cdecl, dynlib: DLLSSLName, importc.}
-  proc SSLv3_method*(): PSSL_METHOD {.cdecl, dynlib: DLLSSLName, importc.}
+    proc TLS_method*(): PSSL_METHOD {.cdecl, dynlib: DLLSSLName, importc.}
+    proc SSLv23_method*(): PSSL_METHOD =
+      TLS_method()
 
-  template OpenSSL_add_all_algorithms*() = discard
+    proc OpenSSL_version_num(): culong {.cdecl, dynlib: DLLSSLName, importc.}
 
-  proc OpenSSL_version_num(): culong {.cdecl, dynlib: DLLSSLName, importc.}
+    proc getOpenSSLVersion*(): culong =
+      ## Return OpenSSL version as unsigned long
+      OpenSSL_version_num()
 
-  proc getOpenSSLVersion*(): culong =
-    ## Return OpenSSL version as unsigned long
-    OpenSSL_version_num()
+    proc SSL_load_error_strings*() =
+      ## Removed from OpenSSL 1.1.0
+      # This proc prevents breaking existing code calling SslLoadErrorStrings
+      # Static linking against OpenSSL < 1.1.0 is not supported
+      discard
 
-  proc SSL_load_error_strings*() =
-    ## Removed from OpenSSL 1.1.0
-    # This proc prevents breaking existing code calling SslLoadErrorStrings
-    # Static linking against OpenSSL < 1.1.0 is not supported
-    discard
+  template OpenSSL_add_all_algorithms*() = discard
+
+  proc SSLv23_client_method*(): PSSL_METHOD {.cdecl, dynlib: DLLSSLName, importc.}
+  proc SSLv2_method*(): PSSL_METHOD {.cdecl, dynlib: DLLSSLName, importc.}
+  proc SSLv3_method*(): PSSL_METHOD {.cdecl, dynlib: DLLSSLName, importc.}
 
 else:
   # Here we're trying to stay compatible with openssl 1.0.* and 1.1.*. Some