openssl: enable ARM assembly acceleration

Tested myself on ixp4xx and mvebu, and (originally)
by Daniel on i.MX6. Also tested on a MIPS target,
to make sure the change to ASFLAGS does not break things.

Based on a patch submitted by Daniel Drown:

https://lists.openwrt.org/pipermail/openwrt-devel/2014-July/026639.html

Signed-off-by: Claudio Leite <leitec@staticky.com>
Signed-off-by: Daniel Drown <dan-openwrt@drown.org>

SVN-Revision: 44618

package/libs/openssl/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=openssl
 PKG_VERSION:=1.0.2
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 PKG_USE_MIPS16:=0
 
 PKG_BUILD_PARALLEL:=1
@@ -118,6 +118,8 @@ else
   OPENSSL_OPTIONS+=no-sse2
   ifeq ($(CONFIG_mips)$(CONFIG_mipsel),y)
     OPENSSL_TARGET:=linux-mips-openwrt
+  else ifeq ($(CONFIG_arm)$(CONFIG_armeb),y)
+    OPENSSL_TARGET:=linux-armv4-openwrt
   else
     OPENSSL_TARGET:=linux-generic-openwrt
     OPENSSL_OPTIONS+=no-perlasm
@@ -156,7 +158,7 @@ TARGET_CFLAGS += $(FPIC)
 define Build/Compile
 	+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
 		CC="$(TARGET_CC)" \
-		ASFLAGS="$(TARGET_ASFLAGS) -c" \
+		ASFLAGS="$(TARGET_ASFLAGS) -I$(PKG_BUILD_DIR)/crypto -c" \
 		AR="$(TARGET_CROSS)ar r" \
 		RANLIB="$(TARGET_CROSS)ranlib" \
 		OPENWRT_OPTIMIZATION_FLAGS="$(TARGET_CFLAGS)" \
@@ -164,7 +166,7 @@ define Build/Compile
 		all
 	+$(MAKE) $(PKG_JOBS) -C $(PKG_BUILD_DIR) \
 		CC="$(TARGET_CC)" \
-		ASFLAGS="$(TARGET_ASFLAGS) -c" \
+		ASFLAGS="$(TARGET_ASFLAGS) -I$(PKG_BUILD_DIR)/crypto -c" \
 		AR="$(TARGET_CROSS)ar r" \
 		RANLIB="$(TARGET_CROSS)ranlib" \
 		OPENWRT_OPTIMIZATION_FLAGS="$(TARGET_CFLAGS)" \

package/libs/openssl/patches/110-optimize-for-size.patch

@@ -1,10 +1,11 @@
 --- a/Configure
 +++ b/Configure
-@@ -443,6 +443,11 @@ my %table=(
+@@ -443,6 +443,12 @@ my %table=(
  "linux-alpha-ccc","ccc:-fast -readonly_strings -DL_ENDIAN -DTERMIO::-D_REENTRANT:::SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_PTR DES_RISC1 DES_UNROLL:${alpha_asm}",
  "linux-alpha+bwx-ccc","ccc:-fast -readonly_strings -DL_ENDIAN -DTERMIO::-D_REENTRANT:::SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_INT DES_PTR DES_RISC1 DES_UNROLL:${alpha_asm}",
  
 +# OpenWrt targets
++"linux-armv4-openwrt","gcc:-DTERMIOS \$(OPENWRT_OPTIMIZATION_FLAGS) -fomit-frame-pointer -Wall::-D_REENTRANT::-ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL BF_PTR:${armv4_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 +"linux-x86_64-openwrt",	"gcc:-m64 -DL_ENDIAN -DTERMIOS \$(OPENWRT_OPTIMIZATION_FLAGS) -fomit-frame-pointer -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:${x86_64_asm}:elf:dlfcn:linux-shared:-fPIC:-m64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64",
 +"linux-mips-openwrt","gcc:-DTERMIOS \$(OPENWRT_OPTIMIZATION_FLAGS) -fomit-frame-pointer -Wall::-D_REENTRANT::-ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL BF_PTR:${mips32_asm}:o32:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 +"linux-generic-openwrt","gcc:-DTERMIOS \$(OPENWRT_OPTIMIZATION_FLAGS) -fomit-frame-pointer -Wall::-D_REENTRANT::-ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL BF_PTR:${no_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",