From: Dmitry Belyavskiy <beldmit@gmail.com>
Date: Fri, 16 Sep 2022 13:32:13 +0000 (+0200)
Subject: Make mingw-friendly build
X-Git-Url: http://wagner.pp.ru/gitweb/?a=commitdiff_plain;h=bdd018198b30328b39a82108efc0d13065888dda;p=openssl-gost%2Fengine.git

Make mingw-friendly build
---

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3888d44..a83d19d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,9 +12,9 @@ find_package(OpenSSL 1.1.1 REQUIRED)
 include_directories(${OPENSSL_INCLUDE_DIR})
 
 if (CMAKE_C_COMPILER_ID MATCHES "Clang")
- add_compile_options(-O2 -Werror -Wall -Wno-unused-parameter -Wno-unused-function -Wno-missing-braces -ggdb -Qunused-arguments -Wno-deprecated-declarations)
+ add_compile_options(-O2 -Werror -Wall -Wno-unused-parameter -Wno-unused-function -Wno-missing-braces -Qunused-arguments -Wno-deprecated-declarations)
 elseif(CMAKE_C_COMPILER_ID MATCHES "GNU")
- add_compile_options(-O2 -Werror -Wall -Wno-unused-parameter -Wno-unused-function -Wno-missing-braces -ggdb -Wno-error=unknown-pragmas -Wno-deprecated-declarations)
+ add_compile_options(-O2 -Werror -Wall -Wno-unused-parameter -Wno-unused-function -Wno-missing-braces -Wno-error=unknown-pragmas -Wno-deprecated-declarations)
 elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC")
  add_definitions(-D_CRT_SECURE_NO_WARNINGS)
  add_definitions(-D_CRT_DEPRECATED_NO_WARNINGS)
@@ -22,6 +22,12 @@ elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC")
  add_compile_options(/MP /WX /W4 /wd4100 /wd4267 /wd4206 /wd4706 /wd4244 /wd4115)
 endif()
 
+string(TOLOWER "${CMAKE_BUILD_TYPE}" build_type)
+if (build_type STREQUAL debug)
+ message(STATUS "Debug build")
+ add_compile_options(-ggdb)
+endif()
+
 if (ASAN)
   message(STATUS "address sanitizer enabled")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -g3 -fno-omit-frame-pointer")
diff --git a/gost_keyexpimp.c b/gost_keyexpimp.c
index 53029a8..12e0eaa 100644
--- a/gost_keyexpimp.c
+++ b/gost_keyexpimp.c
@@ -5,11 +5,6 @@
  * Contents licensed under the terms of the OpenSSL license
  * See https://www.openssl.org/source/license.html for details
  */
-#ifdef _WIN32
-#include <winsock.h>
-#else
-#include <arpa/inet.h>
-#endif
 #include <string.h>
 #include <openssl/evp.h>
 #include <openssl/hmac.h>
@@ -19,6 +14,19 @@
 #include "e_gost_err.h"
 
 int omac_imit_ctrl(EVP_MD_CTX *ctx, int type, int arg, void *ptr);
+
+static uint32_t _htonl(uint32_t n)
+{
+#ifdef L_ENDIAN
+    return ((((n & 0xFF)) << 24) |
+           (((n & 0xFF00)) << 8) |
+           (((n & 0xFF0000)) >> 8) |
+           (((n & 0xFF000000)) >> 24));
+#else
+    return n;
+#endif
+}
+
 /*
  * Function expects that out is a preallocated buffer of length
  * defined as sum of shared_len and mac length defined by mac_nid
@@ -201,7 +209,7 @@ int gost_kdftree2012_256(unsigned char *keyout, size_t keyout_len,
     unsigned char *ptr = keyout;
     HMAC_CTX *ctx;
     unsigned char *len_ptr = NULL;
-    uint32_t len_repr = htonl(keyout_len * 8);
+    uint32_t len_repr = _htonl(keyout_len * 8);
     size_t len_repr_len = 4;
 
     ctx = HMAC_CTX_new();
@@ -223,7 +231,7 @@ int gost_kdftree2012_256(unsigned char *keyout, size_t keyout_len,
     }
 
     for (i = 1; i <= iters; i++) {
-        uint32_t iter_net = htonl(i);
+        uint32_t iter_net = _htonl(i);
         unsigned char *rep_ptr =
             ((unsigned char *)&iter_net) + (4 - representation);
 
diff --git a/mingw-w64.cmake b/mingw-w64.cmake
new file mode 100644
index 0000000..b85d88d
--- /dev/null
+++ b/mingw-w64.cmake
@@ -0,0 +1,24 @@
+# Sample toolchain file for building for Windows from an Ubuntu Linux system.
+#
+# Typical usage:
+#    *) install cross compiler: `sudo apt-get install mingw-w64`
+#    *) cd build
+#    *) cmake -DCMAKE_TOOLCHAIN_FILE=~/mingw-w64-x86_64.cmake ..
+
+set(CMAKE_SYSTEM_NAME Windows)
+if (DEFINED WIN32_TARGET_CPU)
+ set(TOOLCHAIN_PREFIX ${WIN32_TARGET_CPU}-w64-mingw32)
+else()
+ set(TOOLCHAIN_PREFIX i686-w64-mingw32)
+endif()
+
+# cross compilers to use for C, C++ and Fortran
+set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-gcc)
+set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++)
+set(CMAKE_Fortran_COMPILER ${TOOLCHAIN_PREFIX}-gfortran)
+set(CMAKE_RC_COMPILER ${TOOLCHAIN_PREFIX}-windres)
+
+set(RELAXED_ALIGNMENT_EXITCODE FALSE)
+set(RELAXED_ALIGNMENT_EXITCODE__TRYRUN_OUTPUT = "gost-engine")
+
+