diff --git a/Configure b/Configure
index c239a88b95e2ed4bc27b5b49bfad5bb8d5a2521a..50c45fb984e27497d52fa6c162a71e91702a5402 100755
--- a/Configure
+++ b/Configure
@@ -327,7 +327,7 @@ my %table=(
 ####
 "linux-generic64","gcc:-DTERMIO -O3 -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL BF_PTR:${no_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 # -bpowerpc64-linux is transient option, -m64 should be the one to use...
-"linux-ppc64",	"gcc:-bpowerpc64-linux -DB_ENDIAN -DTERMIO -O3 -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_RISC1 DES_UNROLL::linux_ppc64.o linux_ppc64-mont.o:::::sha1-ppc_linux64.o sha256-ppc_linux64.o sha512-ppc_linux64.o::::::dlfcn:linux-shared:-fPIC:-bpowerpc64-linux:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+"linux-ppc64",	"gcc:-m64 -DB_ENDIAN -DTERMIO -O3 -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_RISC1 DES_UNROLL::linux_ppc64.o linux_ppc64-mont.o:::::sha1-ppc_linux64.o sha256-ppc_linux64.o sha512-ppc_linux64.o::::::dlfcn:linux-shared:-fPIC:-m64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "linux-ia64",	"gcc:-DL_ENDIAN -DTERMIO -O3 -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_UNROLL DES_INT:${ia64_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "linux-ia64-ecc","ecc:-DL_ENDIAN -DTERMIO -O2 -Wall -no_cpprt::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT:${ia64_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "linux-ia64-icc","icc:-DL_ENDIAN -DTERMIO -O2 -Wall -no_cpprt::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_RISC1 DES_INT:${ia64_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
@@ -413,11 +413,11 @@ my %table=(
 #### IBM's AIX.
 "aix3-cc",  "cc:-O -DB_ENDIAN -qmaxmem=16384::(unknown):AIX::BN_LLONG RC4_CHAR:::",
 "aix-gcc",  "gcc:-O -DB_ENDIAN::-D_THREAD_SAFE:AIX::BN_LLONG RC4_CHAR::aix_ppc32.o aix_ppc32-mont.o:::::sha1-ppc_aix32.o sha256-ppc_aix32.o::::::dlfcn:",
-"aix64-gcc","gcc:-O -DB_ENDIAN::-D_THREAD_SAFE:AIX::SIXTY_FOUR_BIT_LONG RC4_CHAR::aix_ppc64.o aix_ppc64-mont.o:::::sha1-ppc_aix64.o sha256-ppc_aix64.o sha512-ppc_aix64.o::::::dlfcn::::::-X64",
+"aix64-gcc","gcc:-maix64 -O -DB_ENDIAN::-D_THREAD_SAFE:AIX::SIXTY_FOUR_BIT_LONG RC4_CHAR::aix_ppc64.o aix_ppc64-mont.o:::::sha1-ppc_aix64.o sha256-ppc_aix64.o sha512-ppc_aix64.o::::::dlfcn::::::-X64",
 # Below targets assume AIX 5. Idea is to effectively disregard $OBJECT_MODE
 # at build time. $OBJECT_MODE is respected at ./config stage!
 "aix-cc",   "cc:-q32 -O -DB_ENDIAN -qmaxmem=16384::-qthreaded:AIX::BN_LLONG RC4_CHAR::aix_ppc32.o aix_ppc32-mont.o:::::sha1-ppc_aix32.o sha256-ppc_aix32.o::::::dlfcn:aix-shared::-q32:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)::-X 32",
-"aix64-cc", "cc:-q64 -O -DB_ENDIAN -qmaxmem=16384::(unknown):AIX::SIXTY_FOUR_BIT_LONG RC4_CHAR::aix_ppc64.o aix_ppc64-mont.o:::::sha1-ppc_aix64.o sha256-ppc_aix64.o sha512-ppc_aix64.o::::::dlfcn:aix-shared::-q64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)::-X 64",
+"aix64-cc", "cc:-q64 -O -DB_ENDIAN -qmaxmem=16384::-qthreaded:AIX::SIXTY_FOUR_BIT_LONG RC4_CHAR::aix_ppc64.o aix_ppc64-mont.o:::::sha1-ppc_aix64.o sha256-ppc_aix64.o sha512-ppc_aix64.o::::::dlfcn:aix-shared::-q64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)::-X 64",
 
 #
 # Cray T90 and similar (SDSC)
diff --git a/TABLE b/TABLE
index 0a769c73c4edeac599caaf4f6ecebc8fd3745f92..d4d269eafe50cdc337213e0eae75071eb7fa3a0d 100644
--- a/TABLE
+++ b/TABLE
@@ -788,7 +788,7 @@ $arflags      =
 $cc           = cc
 $cflags       = -q64 -O -DB_ENDIAN -qmaxmem=16384
 $unistd       = 
-$thread_cflag = (unknown)
+$thread_cflag = -qthreaded
 $sys_id       = AIX
 $lflags       = 
 $bn_ops       = SIXTY_FOUR_BIT_LONG RC4_CHAR
@@ -814,7 +814,7 @@ $arflags      = -X 64
 
 *** aix64-gcc
 $cc           = gcc
-$cflags       = -O -DB_ENDIAN
+$cflags       = -maix64 -O -DB_ENDIAN
 $unistd       = 
 $thread_cflag = -D_THREAD_SAFE
 $sys_id       = AIX
@@ -3054,7 +3054,7 @@ $arflags      =
 
 *** linux-ppc64
 $cc           = gcc
-$cflags       = -bpowerpc64-linux -DB_ENDIAN -DTERMIO -O3 -Wall
+$cflags       = -m64 -DB_ENDIAN -DTERMIO -O3 -Wall
 $unistd       = 
 $thread_cflag = -D_REENTRANT
 $sys_id       = 
@@ -3075,7 +3075,7 @@ $wp_obj       =
 $dso_scheme   = dlfcn
 $shared_target= linux-shared
 $shared_cflag = -fPIC
-$shared_ldflag = -bpowerpc64-linux
+$shared_ldflag = -m64
 $shared_extension = .so.$(SHLIB_MAJOR).$(SHLIB_MINOR)
 $ranlib       = 
 $arflags      = 
diff --git a/config b/config
index 3e217740e609e88148c7a7d2a01c9a7f9908f7c7..81b5d260ab9e8e11e9e5997dd884d496370c728a 100755
--- a/config
+++ b/config
@@ -756,7 +756,7 @@ case "$GUESSOS" in
 		fi
 	    fi
 	fi
-	if (lsattr -E -O -l proc0 | grep -i powerpc) >/dev/null 2>&1; then
+	if (lsattr -E -O -l `lsdev -c processor|awk '{print$1;exit}'` | grep -i powerpc) >/dev/null 2>&1; then
 	    :	# this applies even to Power3 and later, as they return PowerPC_POWER[345]
 	else
 	    options="$options no-asm"