Add a clang build target for linux-x86_64

This change documents the world as-is, by turning all warnings on,
and then turning warnings that trigger off again.

Reviewed-by: Andy Polyakov <appro@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>

diff --git a/Configure b/Configure
index 3102afdafd5ef1dfb7d48bf51391a25221d0aa3e..4d943e1a1b37d123ad9abd7a7219bd1122a7b3d8 100755 (executable)
--- a/Configure
+++ b/Configure
@@ -105,6 +105,8 @@ 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";
 
+my $clang_disabled_warnings = "-Wno-language-extension-token -Wno-extended-offsetof -Wno-padded -Wno-shorten-64-to-32 -Wno-format-nonliteral -Wno-missing-noreturn -Wno-unused-parameter -Wno-sign-conversion -Wno-unreachable-code -Wno-conversion -Wno-documentation -Wno-missing-variable-declarations -Wno-cast-align -Wno-incompatible-pointer-types-discards-qualifiers -Wno-missing-variable-declarations -Wno-missing-field-initializers -Wno-unused-macros -Wno-disabled-macro-expansion -Wno-conditional-uninitialized -Wno-switch-enum";
+
 my $strict_warnings = 0;
 
 my $x86_gcc_des="DES_PTR DES_RISC1 DES_UNROLL";
@@ -371,6 +373,7 @@ my %table=(
 "linux-ia64",  "gcc:-DL_ENDIAN -DTERMIO -O3 -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_UNROLL DES_INT:${ia64_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 "linux-ia64-icc","icc:-DL_ENDIAN -DTERMIO -O2 -Wall::-D_REENTRANT::-ldl -no_cpprt: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-clang",  "clang: -m64 -DL_ENDIAN -DTERMIO -O3 -Weverything $clang_disabled_warnings -Qunused-arguments::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:${x86_64_asm}:elf:dlfcn:linux-shared:-fPIC:-m64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64",
 "linux-x86_64-icc", "icc:-DL_ENDIAN -DTERMIO -O2::-D_REENTRANT::-ldl -no_cpprt:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:${x86_64_asm}:elf:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64",
 "linux-x32",   "gcc:-mx32 -DL_ENDIAN -DTERMIO -O3 -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT RC4_CHUNK_LL DES_INT DES_UNROLL:${x86_64_asm}:elf:dlfcn:linux-shared:-fPIC:-mx32:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::x32",
 "linux64-s390x",       "gcc:-m64 -DB_ENDIAN -DTERMIO -O3 -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL:${s390x_asm}:64:dlfcn:linux-shared:-fPIC:-m64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64",
@@ -1605,7 +1608,7 @@ if ($shlib_version_number =~ /(^[0-9]*)\.([0-9\.]*)/)
 if ($strict_warnings)
        {
        my $wopt;
-       die "ERROR --strict-warnings requires gcc" unless ($cc =~ /gcc$/);
+       die "ERROR --strict-warnings requires gcc or clang" unless ($cc =~ /gcc$/ or $cc =~ /clang$/);
        foreach $wopt (split /\s+/, $gcc_devteam_warn)
                {
                $cflags .= " $wopt" unless ($cflags =~ /$wopt/)

diff --git a/TABLE b/TABLE
index ab3d104797c6530f6a027858d47d48004d370418..8d4966bb41eb52c7879228ff66fc36cc479df59e 100644 (file)
--- a/TABLE
+++ b/TABLE
@@ -4828,6 +4828,40 @@ $ranlib       =
 $arflags      = 
 $multilib     = 64
 
+*** linux-x86_64-clang
+$cc           = clang
+$cflags       = -m64 -DL_ENDIAN -DTERMIO -O3 -Weverything -Wno-language-extension-token -Wno-extended-offsetof -Wno-padded -Wno-shorten-64-to-32 -Wno-format-nonliteral -Wno-missing-noreturn -Wno-unused-parameter -Wno-sign-conversion -Wno-unreachable-code -Wno-conversion -Wno-documentation -Wno-missing-variable-declarations -Wno-cast-align -Wno-incompatible-pointer-types-discards-qualifiers -Wno-missing-variable-declarations -Wno-missing-field-initializers -Wno-unused-macros -Wno-disabled-macro-expansion -Wno-conditional-uninitialized -Wno-switch-enum -Qunused-arguments
+$unistd       = 
+$thread_cflag = -D_REENTRANT
+$sys_id       = 
+$lflags       = -ldl
+$bn_ops       = SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL
+$cpuid_obj    = x86_64cpuid.o
+$bn_obj       = x86_64-gcc.o x86_64-mont.o x86_64-mont5.o x86_64-gf2m.o rsaz_exp.o rsaz-x86_64.o rsaz-avx2.o
+$ec_obj       = ecp_nistz256.o ecp_nistz256-x86_64.o
+$des_obj      = 
+$aes_obj      = aes-x86_64.o vpaes-x86_64.o bsaes-x86_64.o aesni-x86_64.o aesni-sha1-x86_64.o aesni-sha256-x86_64.o aesni-mb-x86_64.o
+$bf_obj       = 
+$md5_obj      = md5-x86_64.o
+$sha1_obj     = sha1-x86_64.o sha256-x86_64.o sha512-x86_64.o sha1-mb-x86_64.o sha256-mb-x86_64.o
+$cast_obj     = 
+$rc4_obj      = rc4-x86_64.o rc4-md5-x86_64.o
+$rmd160_obj   = 
+$rc5_obj      = 
+$wp_obj       = wp-x86_64.o
+$cmll_obj     = cmll-x86_64.o cmll_misc.o
+$modes_obj    = ghash-x86_64.o aesni-gcm-x86_64.o
+$engines_obj  = 
+$perlasm_scheme = elf
+$dso_scheme   = dlfcn
+$shared_target= linux-shared
+$shared_cflag = -fPIC
+$shared_ldflag = -m64
+$shared_extension = .so.$(SHLIB_MAJOR).$(SHLIB_MINOR)
+$ranlib       = 
+$arflags      = 
+$multilib     = 64
+
 *** linux-x86_64-icc
 $cc           = icc
 $cflags       = -DL_ENDIAN -DTERMIO -O2