Rudimentary support for cross-compiling.
[openssl.git] / Configure
index e4124c4c243b3dd0e180930db116124b59baa94e..726c89696a8777f268ca21cd8ae3f24db76b28ec 100755 (executable)
--- a/Configure
+++ b/Configure
@@ -38,6 +38,8 @@ my $usage="Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [-Dxxx] [-lx
 # --test-sanity Make a number of sanity checks on the data in this file.
 #               This is a debugging tool for OpenSSL developers.
 #
+# --cross-compile-prefix Add specified prefix to binutils components.
+#
 # no-hw-xxx     do not compile support for specific crypto hardware.
 #               Generic OpenSSL-style methods relating to this support
 #               are always compiled but return NULL if the hardware
@@ -118,9 +120,9 @@ my $x86_elf_asm="x86cpuid-elf.o:bn86-elf.o co86-elf.o mo86-elf.o:dx86-elf.o yx86
 my $x86_coff_asm="x86cpuid-cof.o:bn86-cof.o co86-cof.o mo86-cof.o:dx86-cof.o yx86-cof.o:ax86-cof.o:bx86-cof.o:mx86-cof.o:sx86-cof.o s512sse2-cof.o:cx86-cof.o:rx86-cof.o:rm86-cof.o:r586-cof.o:wp_block.o w86mmx-cof.o";
 my $x86_out_asm="x86cpuid-out.o:bn86-out.o co86-out.o mo86-out.o:dx86-out.o yx86-out.o:ax86-out.o:bx86-out.o:mx86-out.o:sx86-out.o s512sse2-out.o:cx86-out.o:rx86-out.o:rm86-out.o:r586-out.o:wp_block.o w86mmx-out.o";
 
-my $x86_64_asm="x86_64cpuid.o:x86_64-gcc.o x86_64-mont.o::aes-x86_64.o::md5-x86_64.o:sha256-x86_64.o sha512-x86_64.o::rc4-x86_64.o:::wp-x86_64.o";
+my $x86_64_asm="x86_64cpuid.o:x86_64-gcc.o x86_64-mont.o::aes-x86_64.o::md5-x86_64.o:sha1-x86_64.o sha256-x86_64.o sha512-x86_64.o::rc4-x86_64.o:::wp-x86_64.o";
 my $ia64_asm="ia64cpuid.o:bn-ia64.o::aes_core.o aes_cbc.o aes-ia64.o::md5-ia64.o:sha1-ia64.o sha256-ia64.o sha512-ia64.o::rc4-ia64.o:::";
-my $sparcv9_asm="sparcv9cap.o sparccpuid.o:bn-sparcv9.o sparcv9-mont.o sparcv9a-mont.o:des_enc-sparc.o fcrypt_b.o:aes_core.o aes_cbc.o aes-sparcv9.o::md5-sparcv9.o::::::";
+my $sparcv9_asm="sparcv9cap.o sparccpuid.o:bn-sparcv9.o sparcv9-mont.o sparcv9a-mont.o:des_enc-sparc.o fcrypt_b.o:aes_core.o aes_cbc.o aes-sparcv9.o::::::::";
 my $no_asm=":::::::::::";
 
 # As for $BSDthreads. Idea is to maintain "collective" set of flags,
@@ -156,6 +158,7 @@ my %table=(
 "debug-bodo",  "gcc:-DL_ENDIAN -DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBIO_PAIR_DEBUG -DPEDANTIC -g -march=i486 -pedantic -Wshadow -Wall::-D_REENTRANT:::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}",
 "debug-ulf", "gcc:-DTERMIOS -DL_ENDIAN -march=i486 -Wall -DBN_DEBUG -DBN_DEBUG_RAND -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DOPENSSL_NO_ASM -g -Wformat -Wshadow -Wmissing-prototypes -Wmissing-declarations:::CYGWIN32:::${no_asm}:win32:cygwin-shared:::.dll",
 "debug-steve", "gcc:-DL_ENDIAN -DREF_CHECK -DCONF_DEBUG -DDEBUG_SAFESTACK -DCRYPTO_MDEBUG_ALL -DPEDANTIC -g -march=i486 -pedantic -Wno-long-long -Wall -Werror -Wshadow -pipe::-D_REENTRANT::-rdynamic -ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:linux-shared",
+"debug-steve-opt",     "gcc:-DL_ENDIAN -DREF_CHECK -DCONF_DEBUG -DDEBUG_SAFESTACK -DCRYPTO_MDEBUG_ALL -DPEDANTIC -g -march=i486 -pedantic -Wno-long-long -Wall -Werror -Wshadow -pipe -O3::-D_REENTRANT::-rdynamic -ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:linux-shared",
 "debug-steve-linux-pseudo64",  "gcc:-DL_ENDIAN -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DDEBUG_SAFESTACK -DCRYPTO_MDEBUG_ALL -DOPENSSL_NO_ASM -g -mcpu=i486 -Wall -Werror -Wshadow -pipe::-D_REENTRANT::-rdynamic -ldl:SIXTY_FOUR_BIT:${no_asm}:dlfcn:linux-shared",
 "debug-levitte-linux-elf","gcc:-DLEVITTE_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_DEBUG -DBN_DEBUG_RAND -DCRYPTO_MDEBUG -DENGINE_CONF_DEBUG -DL_ENDIAN -DTERMIO -D_POSIX_SOURCE -DPEDANTIC -ggdb -g3 -mcpu=i486 -pedantic -ansi -Wall -Wshadow -Wcast-align -Wstrict-prototypes -Wmissing-prototypes -Wno-long-long -Wundef -Wconversion -pipe::-D_REENTRANT::-ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "debug-levitte-linux-noasm","gcc:-DLEVITTE_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_DEBUG -DBN_DEBUG_RAND -DCRYPTO_MDEBUG -DENGINE_CONF_DEBUG -DOPENSSL_NO_ASM -DL_ENDIAN -DTERMIO -D_POSIX_SOURCE -DPEDANTIC -ggdb -g3 -mcpu=i486 -pedantic -ansi -Wall -Wshadow -Wcast-align -Wstrict-prototypes -Wmissing-prototypes -Wno-long-long -Wundef -Wconversion -pipe::-D_REENTRANT::-ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${no_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
@@ -166,6 +169,7 @@ my %table=(
 "debug-linux-ppro","gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DL_ENDIAN -DTERMIO -g -mcpu=pentiumpro -Wall::-D_REENTRANT::-ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn",
 "debug-linux-elf","gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DL_ENDIAN -DTERMIO -g -march=i486 -Wall::-D_REENTRANT::-lefence -ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "debug-linux-elf-noefence","gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DL_ENDIAN -DTERMIO -g -march=i486 -Wall::-D_REENTRANT::-ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+"debug-linux-ia32-aes",        "gcc:-DAES_EXPERIMENTAL -DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall::-D_REENTRANT::-ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:x86cpuid-elf.o:bn86-elf.o co86-elf.o mo86-elf.o:dx86-elf.o yx86-elf.o:aes_x86core.o aes_cbc.o:bx86-elf.o:mx86-elf.o:sx86-elf.o s512sse2-elf.o:cx86-elf.o:rx86-elf.o:rm86-elf.o:r586-elf.o:wp_block.o w86mmx-elf.o:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "dist",                "cc:-O::(unknown)::::::",
 
 # Basic configs that should work on any (32 and less bit) box
@@ -195,7 +199,7 @@ my %table=(
  
 #### Solaris x86 with Sun C setups
 "solaris-x86-cc","cc:-fast -O -Xa::-D_REENTRANT::-lsocket -lnsl -ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_PTR DES_UNROLL BF_PTR:${no_asm}:dlfcn:solaris-shared:-KPIC:-G -dy -z text:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
-"solaris64-x86_64-cc","cc:-fast -xarch=amd64 -xstrconst -Xa -DL_ENDIAN::-D_REENTRANT::-lsocket -lnsl -ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK BF_PTR2 DES_INT DES_UNROLL:${no_asm}:dlfcn:solaris-shared:-KPIC:-xarch=amd64 -G -dy -z text:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+"solaris64-x86_64-cc","cc:-fast -xarch=amd64 -xstrconst -Xa -DL_ENDIAN::-D_REENTRANT::-lsocket -lnsl -ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK BF_PTR2 DES_INT DES_UNROLL:${x86_64_asm}:dlfcn:solaris-shared:-KPIC:-xarch=amd64 -G -dy -z text:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 
 #### SPARC Solaris with GNU C setups
 "solaris-sparcv7-gcc","gcc:-O3 -fomit-frame-pointer -Wall -DB_ENDIAN -DBN_DIV2W::-D_REENTRANT::-lsocket -lnsl -ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${no_asm}:dlfcn:solaris-shared:-fPIC:-shared:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
@@ -314,7 +318,7 @@ my %table=(
 # *-generic* is endian-neutral target, but ./config is free to
 # throw in -D[BL]_ENDIAN, whichever appropriate...
 "linux-generic32","gcc:-DTERMIO -O3 -fomit-frame-pointer -Wall::-D_REENTRANT::-ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL BF_PTR:${no_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
-"linux-ppc",   "gcc:-DB_ENDIAN -DTERMIO -O3 -Wall::-D_REENTRANT::-ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_RISC1 DES_UNROLL::linux_ppc32.o:::::::::::dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+"linux-ppc",   "gcc:-DB_ENDIAN -DTERMIO -O3 -Wall::-D_REENTRANT::-ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_RISC1 DES_UNROLL::linux_ppc32.o linux_ppc32-mont.o:::::sha1-ppc_linux32.o sha256-ppc_linux32.o::::::dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 #### IA-32 targets...
 "linux-ia32-icc",      "icc:-DL_ENDIAN -DTERMIO -O2 -no_cpprt::-D_REENTRANT::-ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:linux-shared:-KPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "linux-elf",   "gcc:-DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall::-D_REENTRANT::-ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
@@ -322,7 +326,7 @@ 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:${no_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 # -bpowerpc64-linux is transient option, -m64 should be the one to use...
-"linux-ppc64", "gcc:-bpowerpc64-linux -DB_ENDIAN -DTERMIO -O3 -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_RISC1 DES_UNROLL::linux_ppc64.o:::::::::::dlfcn:linux-shared:-fPIC:-bpowerpc64-linux:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+"linux-ppc64", "gcc:-bpowerpc64-linux -DB_ENDIAN -DTERMIO -O3 -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_RISC1 DES_UNROLL::linux_ppc64.o linux_ppc64-mont.o:::::sha1-ppc_linux64.o sha256-ppc_linux64.o sha512-ppc_linux64.o::::::dlfcn:linux-shared:-fPIC:-bpowerpc64-linux:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "linux-ia64",  "gcc:-DL_ENDIAN -DTERMIO -O3 -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_UNROLL DES_INT:${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)",
@@ -381,6 +385,10 @@ my %table=(
 "qnx4",        "cc:-DL_ENDIAN -DTERMIO::(unknown):::${x86_gcc_des} ${x86_gcc_opts}:",
 "qnx6",        "cc:-DL_ENDIAN -DTERMIOS::(unknown)::-lsocket:${x86_gcc_des} ${x86_gcc_opts}:",
 
+# BeOS
+"beos-x86-r5",   "gcc:-DL_ENDIAN -DTERMIOS -O3 -fomit-frame-pointer -mcpu=pentium -Wall::-D_REENTRANT:BEOS:-lbe -lnet:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:beos:beos-shared:-fPIC -DPIC:-shared:.so",
+"beos-x86-bone", "gcc:-DL_ENDIAN -DTERMIOS -O3 -fomit-frame-pointer -mcpu=pentium -Wall::-D_REENTRANT:BEOS:-lbe -lbind -lsocket:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:beos:beos-shared:-fPIC:-shared:.so",
+
 #### SCO/Caldera targets.
 #
 # Originally we had like unixware-*, unixware-*-pentium, unixware-*-p6, etc.
@@ -403,12 +411,12 @@ 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:::::::::::dlfcn:",
-"aix64-gcc","gcc:-O -DB_ENDIAN::-D_THREAD_SAFE:AIX::SIXTY_FOUR_BIT_LONG RC4_CHAR::aix_ppc64.o:::::::::::dlfcn::::::-X64",
+"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",
 # 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:::::::::::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:::::::::::dlfcn:aix-shared::-q64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)::-X 64",
+"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",
 
 #
 # Cray T90 and similar (SDSC)
@@ -500,9 +508,10 @@ my %table=(
 
 ##### MacOS X (a.k.a. Rhapsody or Darwin) setup
 "rhapsody-ppc-cc","cc:-O3 -DB_ENDIAN::(unknown):MACOSX_RHAPSODY::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${no_asm}::",
-"darwin-ppc-cc","cc:-O3 -DB_ENDIAN::-D_REENTRANT:MACOSX:-Wl,-search_paths_first:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR::osx_ppc32.o:::::::::::dlfcn:darwin-shared:-fPIC -fno-common:-dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
+"darwin-ppc-cc","cc:-O3 -DB_ENDIAN::-D_REENTRANT:MACOSX:-Wl,-search_paths_first:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR::osx_ppc32.o osx_ppc32-mont.o:::::sha1-ppc_osx32.o sha256-ppc_osx32.o::::::dlfcn:darwin-shared:-fPIC -fno-common:-dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
+"darwin64-ppc-cc","cc:-m64 -O3 -DB_ENDIAN::-D_REENTRANT:MACOSX:-Wl,-search_paths_first:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR::osx_ppc64.o osx_ppc64-mont.o:::::sha1-ppc_osx64.o sha256-ppc_osx64.o sha512-ppc_osx64.o::::::dlfcn:darwin-shared:-fPIC -fno-common:-m64 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
 "darwin-i386-cc","cc:-O3 -fomit-frame-pointer -DL_ENDIAN::-D_REENTRANT:MACOSX::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${no_asm}:dlfcn:darwin-shared:-fPIC -fno-common:-dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
-"debug-darwin-ppc-cc","cc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DCRYPTO_MDEBUG -DB_ENDIAN -g -Wall -O::-D_REENTRANT:MACOSX::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR::osx_ppc32.o:::::::::::dlfcn:darwin-shared:-fPIC:-dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
+"debug-darwin-ppc-cc","cc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DCRYPTO_MDEBUG -DB_ENDIAN -g -Wall -O::-D_REENTRANT:MACOSX::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR::osx_ppc32.o osx_ppc32-mont.o:::::sha1-ppc_osx32.o::::::dlfcn:darwin-shared:-fPIC:-dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
 
 ##### A/UX
 "aux3-gcc","gcc:-O2 -DTERMIO::(unknown):AUX:-lbsd:RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:::",
@@ -564,6 +573,7 @@ my $prefix="";
 my $openssldir="";
 my $exe_ext="";
 my $install_prefix="";
+my $cross_compile_prefix="";
 my $no_threads=0;
 my $threads=0;
 my $no_shared=0; # but "no-shared" is default
@@ -757,6 +767,10 @@ PROCESS_ARGS:
                                {
                                $withargs{"zlib-include"}="-I$1";
                                }
+                       elsif (/^--cross-compile-prefix=(.*)$/)
+                               {
+                               $cross_compile_prefix=$1;
+                               }
                        else
                                {
                                print STDERR $usage;
@@ -923,7 +937,7 @@ foreach (sort (keys %disabled))
 
 my $IsMK1MF=scalar grep /^$target$/,@MK1MF_Builds;
 
-$IsMK1MF=1 if ($target eq "mingw" && $^O ne "cygwin");
+$IsMK1MF=1 if ($target eq "mingw" && $^O ne "cygwin" && !is_msys());
 
 $exe_ext=".exe" if ($target eq "Cygwin" || $target eq "DJGPP" || $target eq "mingw");
 $exe_ext=".pm"  if ($target =~ /vos/);
@@ -1303,7 +1317,17 @@ while (<IN>)
        s/^PLATFORM=.*$/PLATFORM=$target/;
        s/^OPTIONS=.*$/OPTIONS=$options/;
        s/^CONFIGURE_ARGS=.*$/CONFIGURE_ARGS=$argvstring/;
-       s/^CC=.*$/CC= $cc/;
+       if ($cross_compile_prefix)
+               {
+               s/^CC=.*$/CROSS_COMPILE_PREFIX= $cross_compile_prefix\nCC= \$\(CROSS_COMPILE_PREFIX\)$cc/;
+               s/^AR=\s*/AR= \$\(CROSS_COMPILE_PREFIX\)/;
+               s/^NM=\s*/NM= \$\(CROSS_COMPILE_PREFIX\)/;
+               s/^RANLIB=\s*/RANLIB= \$\(CROSS_COMPILE_PREFIX\)/;
+               }
+       else    {
+               s/^CC=.*$/CC= $cc/;
+               s/^RANLIB=.*/RANLIB= $ranlib/;
+               }
        s/^MAKEDEPPROG=.*$/MAKEDEPPROG= $cc/ if $cc eq "gcc";
        s/^CFLAG=.*$/CFLAG= $cflags/;
        s/^DEPFLAG=.*$/DEPFLAG= $depflags/;
@@ -1322,7 +1346,6 @@ while (<IN>)
        s/^RMD160_ASM_OBJ=.*$/RMD160_ASM_OBJ= $rmd160_obj/;
        s/^WP_ASM_OBJ=.*$/WP_ASM_OBJ= $wp_obj/;
        s/^PROCESSOR=.*/PROCESSOR= $processor/;
-       s/^RANLIB=.*/RANLIB= $ranlib/;
        s/^ARFLAGS=.*/ARFLAGS= $arflags/;
        s/^PERL=.*/PERL= $perl/;
        s/^KRB5_INCLUDES=.*/KRB5_INCLUDES=$withargs{"krb5-include"}/;
@@ -1824,3 +1847,11 @@ sub test_sanity
        print STDERR "No sanity errors detected!\n" if $errorcnt == 0;
        return $errorcnt;
        }
+
+# Attempt to detect MSYS environment
+
+sub is_msys
+       {
+       return 1 if (exists $ENV{"TERM"} && $ENV{"TERM"} eq "msys");
+       return 0;
+       }