Empty SNI names are not valid
[openssl.git] / Configure
index e539ab4442d17c09a72f1d1e10fbc604dfe106ce..84f627c23b069301b7877297a8c9105cfe5432cf 100755 (executable)
--- a/Configure
+++ b/Configure
@@ -105,6 +105,11 @@ my $usage="Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [experimenta
 
 my $gcc_devteam_warn = "-Wall -pedantic -DPEDANTIC -Wno-long-long -Wsign-compare -Wmissing-prototypes -Wshadow -Wformat -Werror -DCRYPTO_MDEBUG_ALL -DCRYPTO_MDEBUG_ABORT -DREF_CHECK -DOPENSSL_NO_DEPRECATED";
 
+# Warn that "make depend" should be run?
+my $warn_make_depend = 0;
+
+my $clang_devteam_warn = "-Wno-unused-parameter -Wno-missing-field-initializers -Wno-language-extension-token -Wno-extended-offsetof -Qunused-arguments";
+
 my $strict_warnings = 0;
 
 my $x86_gcc_des="DES_PTR DES_RISC1 DES_UNROLL";
@@ -197,6 +202,7 @@ my %table=(
 "debug-linux-generic32","gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DCRYPTO_MDEBUG -g -Wall::-D_REENTRANT::-ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL BF_PTR:${no_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "debug-linux-generic64","gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DCRYPTO_MDEBUG -g -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL BF_PTR:${no_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "debug-linux-x86_64","gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DCRYPTO_MDEBUG -m64 -DL_ENDIAN -g -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:${x86_64_asm}:elf:dlfcn:linux-shared:-fPIC:-m64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64",
+"debug-linux-x86_64-clang","clang: -DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DCRYPTO_MDEBUG -m64 -DL_ENDIAN -g -Wall -Qunused-arguments::-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",
 "dist",                "cc:-O::(unknown)::::::",
 
 # Basic configs that should work on any (32 and less bit) box
@@ -230,12 +236,12 @@ my %table=(
 
 #### 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:${no_asm}:dlfcn:solaris-shared:-fPIC:-shared:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
-"solaris-sparcv8-gcc","gcc:-mv8 -O3 -fomit-frame-pointer -Wall -DB_ENDIAN -DBN_DIV2W::-D_REENTRANT::-lsocket -lnsl -ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${sparcv8_asm}:dlfcn:solaris-shared:-fPIC:-shared:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+"solaris-sparcv8-gcc","gcc:-mcpu=v8 -O3 -fomit-frame-pointer -Wall -DB_ENDIAN -DBN_DIV2W::-D_REENTRANT::-lsocket -lnsl -ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${sparcv8_asm}:dlfcn:solaris-shared:-fPIC:-shared:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 # -m32 should be safe to add as long as driver recognizes -mcpu=ultrasparc
 "solaris-sparcv9-gcc","gcc:-m32 -mcpu=ultrasparc -O3 -fomit-frame-pointer -Wall -DB_ENDIAN -DBN_DIV2W::-D_REENTRANT:ULTRASPARC:-lsocket -lnsl -ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${sparcv9_asm}:dlfcn:solaris-shared:-fPIC:-shared:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "solaris64-sparcv9-gcc","gcc:-m64 -mcpu=ultrasparc -O3 -Wall -DB_ENDIAN::-D_REENTRANT:ULTRASPARC:-lsocket -lnsl -ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_INT DES_PTR DES_RISC1 DES_UNROLL BF_PTR:${sparcv9_asm}:dlfcn:solaris-shared:-fPIC:-m64 -shared:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::/64",
 ####
-"debug-solaris-sparcv8-gcc","gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG_ALL -O -g -mv8 -Wall -DB_ENDIAN::-D_REENTRANT::-lsocket -lnsl -ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${sparcv8_asm}:dlfcn:solaris-shared:-fPIC:-shared:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+"debug-solaris-sparcv8-gcc","gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG_ALL -O -g -mcpu=v8 -Wall -DB_ENDIAN::-D_REENTRANT::-lsocket -lnsl -ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${sparcv8_asm}:dlfcn:solaris-shared:-fPIC:-shared:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "debug-solaris-sparcv9-gcc","gcc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG_ALL -DPEDANTIC -O -g -mcpu=ultrasparc -pedantic -ansi -Wall -Wshadow -Wno-long-long -D__EXTENSIONS__ -DB_ENDIAN -DBN_DIV2W::-D_REENTRANT:ULTRASPARC:-lsocket -lnsl -ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${sparcv9_asm}:dlfcn:solaris-shared:-fPIC:-shared:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 
 #### SPARC Solaris with Sun C setups
@@ -252,7 +258,7 @@ my %table=(
 
 #### SunOS configs, assuming sparc for the gcc one.
 #"sunos-cc", "cc:-O4 -DNOPROTO -DNOCONST::(unknown):SUNOS::DES_UNROLL:${no_asm}::",
-"sunos-gcc","gcc:-O3 -mv8 -Dssize_t=int::(unknown):SUNOS::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL DES_PTR DES_RISC1:${no_asm}::",
+"sunos-gcc","gcc:-O3 -mcpu=v8 -Dssize_t=int::(unknown):SUNOS::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL DES_PTR DES_RISC1:${no_asm}::",
 
 #### IRIX 5.x configs
 # -mips2 flag is added by ./config when appropriate.
@@ -361,6 +367,7 @@ my %table=(
 "linux-ia64-ecc","ecc:-DL_ENDIAN -O2 -Wall -no_cpprt::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT:${ia64_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "linux-ia64-icc","icc:-DL_ENDIAN -O2 -Wall -no_cpprt::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_RISC1 DES_INT:${ia64_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "linux-x86_64",        "gcc:-m64 -DL_ENDIAN -O3 -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:${x86_64_asm}:elf:dlfcn:linux-shared:-fPIC:-m64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64",
+"linux-x86_64-clang","clang: -m64 -DL_ENDIAN -O3 -Wall -Qunused-arguments::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:${x86_64_asm}:elf:dlfcn:linux-shared:-fPIC:-m64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64",
 "linux64-s390x",       "gcc:-m64 -DB_ENDIAN -O3 -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL:${s390x_asm}:64:dlfcn:linux-shared:-fPIC:-m64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64",
 #### So called "highgprs" target for z/Architecture CPUs
 # "Highgprs" is kernel feature first implemented in Linux 2.6.32, see
@@ -379,7 +386,7 @@ my %table=(
 #### SPARC Linux setups
 # Ray Miller <ray.miller@computing-services.oxford.ac.uk> has patiently
 # assisted with debugging of following two configs.
-"linux-sparcv8","gcc:-mv8 -DB_ENDIAN -O3 -fomit-frame-pointer -Wall -DBN_DIV2W::-D_REENTRANT::-ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${sparcv8_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+"linux-sparcv8","gcc:-mcpu=v8 -DB_ENDIAN -O3 -fomit-frame-pointer -Wall -DBN_DIV2W::-D_REENTRANT::-ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${sparcv8_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 # it's a real mess with -mcpu=ultrasparc option under Linux, but
 # -Wa,-Av8plus should do the trick no matter what.
 "linux-sparcv9","gcc:-m32 -mcpu=ultrasparc -DB_ENDIAN -O3 -fomit-frame-pointer -Wall -Wa,-Av8plus -DBN_DIV2W::-D_REENTRANT:ULTRASPARC:-ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${sparcv9_asm}:dlfcn:linux-shared:-fPIC:-m32:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
@@ -413,7 +420,7 @@ my %table=(
 "BSD-x86",     "gcc:-DL_ENDIAN -O3 -fomit-frame-pointer -Wall::${BSDthreads}:::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_asm}:a.out:dlfcn:bsd-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "BSD-x86-elf", "gcc:-DL_ENDIAN -O3 -fomit-frame-pointer -Wall::${BSDthreads}:::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:bsd-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "debug-BSD-x86-elf",   "gcc:-DL_ENDIAN -O3 -Wall -g::${BSDthreads}:::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:bsd-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
-"BSD-sparcv8", "gcc:-DB_ENDIAN -O3 -mv8 -Wall::${BSDthreads}:::BN_LLONG RC2_CHAR RC4_INDEX DES_INT DES_UNROLL:${sparcv8_asm}:dlfcn:bsd-gcc-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+"BSD-sparcv8", "gcc:-DB_ENDIAN -O3 -mcpu=v8 -Wall::${BSDthreads}:::BN_LLONG RC2_CHAR RC4_INDEX DES_INT DES_UNROLL:${sparcv8_asm}:dlfcn:bsd-gcc-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 
 "BSD-generic64","gcc:-O3 -Wall::${BSDthreads}:::SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:${no_asm}:dlfcn:bsd-gcc-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 # -DMD32_REG_T=int doesn't actually belong in sparc64 target, it
@@ -544,12 +551,12 @@ my %table=(
 "mingw64", "gcc:-mno-cygwin -DL_ENDIAN -O3 -Wall -DWIN32_LEAN_AND_MEAN -DUNICODE -D_UNICODE::-D_MT:MINGW64:-lws2_32 -lgdi32 -lcrypt32:SIXTY_FOUR_BIT RC4_CHUNK_LL DES_INT EXPORT_VAR_AS_FN:${x86_64_asm}:mingw64:win32:cygwin-shared:-D_WINDLL:-mno-cygwin:.dll.a",
 
 # UWIN 
-"UWIN", "cc:-DL_ENDIAN -O -Wall:::UWIN::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${no_asm}:win32",
+"UWIN", "cc:-DTERMIOS -DL_ENDIAN -O -Wall:::UWIN::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${no_asm}:win32",
 
 # Cygwin
-"Cygwin-pre1.3", "gcc:-DL_ENDIAN -fomit-frame-pointer -O3 -m486 -Wall::(unknown):CYGWIN32::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${no_asm}:win32",
-"Cygwin", "gcc:-DL_ENDIAN -fomit-frame-pointer -O3 -march=i486 -Wall:::CYGWIN32::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_asm}:coff:dlfcn:cygwin-shared:-D_WINDLL:-shared:.dll.a",
-"debug-Cygwin", "gcc:-DL_ENDIAN -march=i486 -Wall -DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DOPENSSL_NO_ASM -g -Wformat -Wshadow -Wmissing-prototypes -Wmissing-declarations -Werror:::CYGWIN32:::${no_asm}:dlfcn:cygwin-shared:-D_WINDLL:-shared:.dll.a",
+"Cygwin-pre1.3", "gcc:-DTERMIOS -DL_ENDIAN -fomit-frame-pointer -O3 -m486 -Wall::(unknown):CYGWIN32::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${no_asm}:win32",
+"Cygwin", "gcc:-DTERMIOS -DL_ENDIAN -fomit-frame-pointer -O3 -march=i486 -Wall:::CYGWIN32::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_asm}:coff:dlfcn:cygwin-shared:-D_WINDLL:-shared:.dll.a",
+"debug-Cygwin", "gcc:-DTERMIOS -DL_ENDIAN -march=i486 -Wall -DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DBN_CTX_DEBUG -DCRYPTO_MDEBUG -DOPENSSL_NO_ASM -g -Wformat -Wshadow -Wmissing-prototypes -Wmissing-declarations -Werror:::CYGWIN32:::${no_asm}:dlfcn:cygwin-shared:-D_WINDLL:-shared:.dll.a",
 
 # NetWare from David Ward (dsward@novell.com)
 # requires either MetroWerks NLM development tools, or gcc / nlmconv
@@ -567,7 +574,7 @@ my %table=(
 "netware-libc-bsdsock-gcc", "i586-netware-gcc:-nostdinc -I/ndk/libc/include -DNETWARE_BSDSOCK -DL_ENDIAN -DNETWARE_LIBC -DOPENSSL_SYSNAME_NETWARE -DTERMIO -O2 -Wall:::::BN_LLONG ${x86_gcc_opts}::",
 
 # DJGPP
-"DJGPP", "gcc:-I/dev/env/WATT_ROOT/inc -DL_ENDIAN -fomit-frame-pointer -O2 -Wall:::MSDOS:-L/dev/env/WATT_ROOT/lib -lwatt:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_asm}:a.out:",
+"DJGPP", "gcc:-I/dev/env/WATT_ROOT/inc -DTERMIO -DL_ENDIAN -fomit-frame-pointer -O2 -Wall:::MSDOS:-L/dev/env/WATT_ROOT/lib -lwatt:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_asm}:a.out:",
 
 # Ultrix from Bernhard Simon <simon@zid.tuwien.ac.at>
 "ultrix-cc","cc:-std1 -O -Olimit 2500 -DL_ENDIAN::(unknown):::::::",
@@ -1574,11 +1581,20 @@ if ($shlib_version_number =~ /(^[0-9]*)\.([0-9\.]*)/)
 
 if ($strict_warnings)
        {
+       my $ecc = $cc;
+       $ecc = "clang" if `$cc --version 2>&1` =~ /clang/;
        my $wopt;
-       die "ERROR --strict-warnings requires gcc" unless ($cc =~ /gcc$/);
+       die "ERROR --strict-warnings requires gcc or clang" unless ($ecc =~ /gcc$/ or $ecc =~ /clang$/);
        foreach $wopt (split /\s+/, $gcc_devteam_warn)
                {
-               $cflags .= " $wopt" unless ($cflags =~ /$wopt/)
+               $cflags .= " $wopt" unless ($cflags =~ /(^|\s)$wopt(\s|$)/)
+               }
+       if ($ecc eq "clang")
+               {
+               foreach $wopt (split /\s+/, $clang_devteam_warn)
+                       {
+                       $cflags .= " $wopt" unless ($cflags =~ /(^|\s)$wopt(\s|$)/)
+                       }
                }
        }
 
@@ -1940,14 +1956,8 @@ EOF
            &dofile("apps/CA.pl",'/usr/local/bin/perl','^#!/', '#!%s');
        }
        if ($depflags ne $default_depflags && !$make_depend) {
-               print <<EOF;
-
-Since you've disabled or enabled at least one algorithm, you need to do
-the following before building:
-
-       make depend
-EOF
-       }
+            $warn_make_depend++;
+        }
 }
 
 # create the ms/version32.rc file if needed
@@ -2026,12 +2036,18 @@ EOF
 
 print <<\EOF if ($no_shared_warn);
 
-You gave the option 'shared'.  Normally, that would give you shared libraries.
-Unfortunately, the OpenSSL configuration doesn't include shared library support
-for this platform yet, so it will pretend you gave the option 'no-shared'.  If
-you can inform the developpers (openssl-dev\@openssl.org) how to support shared
-libraries on this platform, they will at least look at it and try their best
-(but please first make sure you have tried with a current version of OpenSSL).
+You gave the option 'shared', which is not supported on this platform, so
+we will pretend you gave the option 'no-shared'.  If you know how to implement
+shared libraries, please let us know (but please first make sure you have
+tried with a current version of OpenSSL).
+EOF
+
+print <<EOF if ($warn_make_depend);
+
+*** Because of configuration changes, you MUST do the following before
+*** building:
+
+       make depend
 EOF
 
 exit(0);