Cross-compilar com OpenSSL para Windows

Question

Estou tentando compilar os OAuth-utils http://mir.dnsalias.com/oss/oauth/start para Windows a partir do Ubuntu. Eu compilei-lo no Windows antes (Há alguns meses), mas queria tentar cross-compilação.

Eu tenho construir openssl usando mingw32 ok, e colocá libssl.a e libcrypto.a no lugar certo. O ligador é agora encontrar as bibliotecas (yay!), mas eu recebo o seguinte erro:

/usr/lib/gcc/i586-mingw32msvc/4.2.1-sjlj/../../../../i586-mingw32msvc/lib/libcrypto.a(rand_win.o):rand_win.c:(.text+0xaac): undefined reference to `_CreateDCA@16'
/usr/lib/gcc/i586-mingw32msvc/4.2.1-sjlj/../../../../i586-mingw32msvc/lib/libcrypto.a(rand_win.o):rand_win.c:(.text+0xab9): undefined reference to `_CreateCompatibleDC@4'
/usr/lib/gcc/i586-mingw32msvc/4.2.1-sjlj/../../../../i586-mingw32msvc/lib/libcrypto.a(rand_win.o):rand_win.c:(.text+0xacc): undefined reference to `_GetDeviceCaps@8'
/usr/lib/gcc/i586-mingw32msvc/4.2.1-sjlj/../../../../i586-mingw32msvc/lib/libcrypto.a(rand_win.o):rand_win.c:(.text+0xadc): undefined reference to `_GetDeviceCaps@8'
/usr/lib/gcc/i586-mingw32msvc/4.2.1-sjlj/../../../../i586-mingw32msvc/lib/libcrypto.a(rand_win.o):rand_win.c:(.text+0xaf4): undefined reference to `_CreateCompatibleBitmap@12'
/usr/lib/gcc/i586-mingw32msvc/4.2.1-sjlj/../../../../i586-mingw32msvc/lib/libcrypto.a(rand_win.o):rand_win.c:(.text+0xb04): undefined reference to `_SelectObject@8'
/usr/lib/gcc/i586-mingw32msvc/4.2.1-sjlj/../../../../i586-mingw32msvc/lib/libcrypto.a(rand_win.o):rand_win.c:(.text+0xb18): undefined reference to `_GetObjectA@12'
/usr/lib/gcc/i586-mingw32msvc/4.2.1-sjlj/../../../../i586-mingw32msvc/lib/libcrypto.a(rand_win.o):rand_win.c:(.text+0xb81): undefined reference to `_BitBlt@36'
/usr/lib/gcc/i586-mingw32msvc/4.2.1-sjlj/../../../../i586-mingw32msvc/lib/libcrypto.a(rand_win.o):rand_win.c:(.text+0xb8c): undefined reference to `_GetBitmapBits@12'
/usr/lib/gcc/i586-mingw32msvc/4.2.1-sjlj/../../../../i586-mingw32msvc/lib/libcrypto.a(rand_win.o):rand_win.c:(.text+0xbe5): undefined reference to `_SelectObject@8'
/usr/lib/gcc/i586-mingw32msvc/4.2.1-sjlj/../../../../i586-mingw32msvc/lib/libcrypto.a(rand_win.o):rand_win.c:(.text+0xbec): undefined reference to `_DeleteObject@4'
/usr/lib/gcc/i586-mingw32msvc/4.2.1-sjlj/../../../../i586-mingw32msvc/lib/libcrypto.a(rand_win.o):rand_win.c:(.text+0xbf6): undefined reference to `_DeleteDC@4'
/usr/lib/gcc/i586-mingw32msvc/4.2.1-sjlj/../../../../i586-mingw32msvc/lib/libcrypto.a(rand_win.o):rand_win.c:(.text+0xc00): undefined reference to `_DeleteDC@4'

Todas as idéias que poderia estar causando isso?

Graças.

Answer 1

Parece que se remover tudo entre

static void readscreen(void)
{
#if !defined(OPENSSL_SYS_WINCE) && !defined(OPENSSL_SYS_WIN32_CYGWIN)

e

#endif /* !OPENSSL_SYS_WINCE */
}

em rand_win.c, que a construção de obras. Eu não estou 100% certo o quão seguro querer retirar esta é.

Answer 2

Fazer a ligação com Gdi32.lib

Answer 3

Qual versão do OpenSSL que você está tentando compilar? Em geral, eu encontrei a versão 1.0 e mais recente com MinGW-w64 a grande obra. Veja por exemplo o OpenSSL cross-compilação para Windows tutorial.

Answer 4

Você está adicionando -mwindows ao seu comando link?