Add target for i686 cross compilation

Reviewed-by: Stephen Henson <steve@openssl.org>

Configure

@@ -358,6 +358,7 @@ my %table=(
 "linux-ia64-icc","icc:-DL_ENDIAN -DTERMIO -O2 -Wall -no_cpprt::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_RISC1 DES_INT:${ia64_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "linux-x86_64",	"gcc:-m64 -DL_ENDIAN -DTERMIO -O3 -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:${x86_64_asm}:elf:dlfcn:linux-shared:-fPIC:-m64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64",
 "linux-x86_64-cross",  "gcc:-m64 -DL_ENDIAN -DTERMIO -O3 -Wall -DFIPS_REF_POINT_IS_CROSS_COMPILER_AWARE::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:${x86_64_asm}:elf:dlfcn:linux-shared:-fPIC:-m64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64",
+"linux-i686-cross",	"gcc:-DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall -DFIPS_REF_POINT_IS_CROSS_COMPILER_AWARE::-D_REENTRANT::-ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "linux64-s390x",	"gcc:-m64 -DB_ENDIAN -DTERMIO -O3 -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL:${s390x_asm}:64:dlfcn:linux-shared:-fPIC:-m64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64",
 #### So called "highgprs" target for z/Architecture CPUs
 # "Highgprs" is kernel feature first implemented in Linux 2.6.32, see

config

@@ -166,6 +166,10 @@ case "${SYSTEM}:${RELEASE}:${VERSION}:${MACHINE}" in
 	echo "mips4-sgi-irix64"; exit 0
 	;;
 
+    Linux:*:cross:i686)
+	echo "${MACHINE}-cross-linux"; exit 0
+	;;
+
     Linux:[2-9].*:cross:x86_64)
 	echo "${MACHINE}-cross-linux"; exit 0
 	;;
@@ -697,6 +701,7 @@ case "$GUESSOS" in
         fi ;;
   *-*-linux1) OUT="linux-aout" ;;
   *-*-linux2) OUT="linux-generic32" ;;
+  i686-cross-linux) OUT="linux-i686-cross" ;;
   *-cross-linux) OUT="linux-x86_64-cross" ;;
   sun4[uv]*-*-solaris2)
 	OUT="solaris-sparcv9-$CC"