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##
## Configure -- OpenSSL source tree configuration script
## If editing this file, run this command before committing
## make -f Makefile.org TABLE
##
use File::Basename;
use File::Spec::Functions;
# see INSTALL for instructions.
my $usage="Usage: Configure [no-<cipher> ...] [enable-<cipher> ...] [experimental-<cipher> ...] [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-Kxxx] [no-hw-xxx|no-hw] [[no-]threads] [[no-]shared] [[no-]zlib|zlib-dynamic] [no-asm] [no-dso] [sctp] [386] [--prefix=DIR] [--openssldir=OPENSSLDIR] [--with-xxx[=vvv]] [--test-sanity] [--config=FILE] os/compiler[:flags]\n";
# --config add the given configuration file, which will be read after
# any "Configurations*" files that are found in the same
# directory as this script.
# --openssldir install OpenSSL in OPENSSLDIR (Default: DIR/ssl if the
# --prefix option is given; /usr/local/ssl otherwise)
# --prefix prefix for the OpenSSL include, lib and bin directories
# (Default: the OPENSSLDIR directory)
#
# --install_prefix Additional prefix for package builders (empty by
# default). This needn't be set in advance, you can
# just as well use "make INSTALL_PREFIX=/whatever install".
#
# --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
# support isn't compiled.
# no-hw do not compile support for any crypto hardware.
# [no-]threads [don't] try to create a library that is suitable for
# multithreaded applications (default is "threads" if we
# know how to do it)
# [no-]shared [don't] try to create shared libraries when supported.
# no-dso do not compile in any native shared-library methods. This
# will ensure that all methods just return NULL.
# [no-]zlib [don't] compile support for zlib compression.
# zlib-dynamic Like "zlib", but the zlib library is expected to be a shared
# library and will be loaded in run-time by the OpenSSL library.
# 386 generate 80386 code
# no-sse2 disables IA-32 SSE2 code, above option implies no-sse2
# no-<cipher> build without specified algorithm (rsa, idea, rc5, ...)
# -<xxx> +<xxx> compiler options are passed through
#
# DEBUG_SAFESTACK use type-safe stacks to enforce type-safety on stack items
# provided to stack calls. Generates unique stack functions for
# each possible stack type.
# DES_PTR use pointer lookup vs arrays in the DES in crypto/des/des_locl.h
# DES_RISC1 use different DES_ENCRYPT macro that helps reduce register
# dependancies but needs to more registers, good for RISC CPU's
# DES_RISC2 A different RISC variant.
# DES_UNROLL unroll the inner DES loop, sometimes helps, somtimes hinders.
# DES_INT use 'int' instead of 'long' for DES_LONG in crypto/des/des.h
# This is used on the DEC Alpha where long is 8 bytes
# and int is 4
# BN_LLONG use the type 'long long' in crypto/bn/bn.h
# MD2_CHAR use 'char' instead of 'int' for MD2_INT in crypto/md2/md2.h
# MD2_LONG use 'long' instead of 'int' for MD2_INT in crypto/md2/md2.h
# IDEA_SHORT use 'short' instead of 'int' for IDEA_INT in crypto/idea/idea.h
# IDEA_LONG use 'long' instead of 'int' for IDEA_INT in crypto/idea/idea.h
# RC2_SHORT use 'short' instead of 'int' for RC2_INT in crypto/rc2/rc2.h
# RC2_LONG use 'long' instead of 'int' for RC2_INT in crypto/rc2/rc2.h
# RC4_CHAR use 'char' instead of 'int' for RC4_INT in crypto/rc4/rc4.h
# RC4_LONG use 'long' instead of 'int' for RC4_INT in crypto/rc4/rc4.h
# RC4_INDEX define RC4_INDEX in crypto/rc4/rc4_locl.h. This turns on
# array lookups instead of pointer use.
# RC4_CHUNK enables code that handles data aligned at long (natural CPU
# word) boundary.
# RC4_CHUNK_LL enables code that handles data aligned at long long boundary
# (intended for 64-bit CPUs running 32-bit OS).
# BF_PTR use 'pointer arithmatic' for Blowfish (unsafe on Alpha).
# BF_PTR2 intel specific version (generic version is more efficient).
#
# Following are set automatically by this script
#
# MD5_ASM use some extra md5 assember,
# SHA1_ASM use some extra sha1 assember, must define L_ENDIAN for x86
# RMD160_ASM use some extra ripemd160 assember,
# SHA256_ASM sha256_block is implemented in assembler
# SHA512_ASM sha512_block is implemented in assembler
# AES_ASM ASE_[en|de]crypt is implemented in assembler
# Minimum warning options... any contributions to OpenSSL should at least get
my $gcc_devteam_warn = "-Wall -pedantic -DPEDANTIC -Wno-long-long -Wsign-compare -Wmissing-prototypes -Wshadow -Wformat -Wtype-limits -Werror -DCRYPTO_MDEBUG_ALL -DCRYPTO_MDEBUG_ABORT -DREF_CHECK -DDEBUG_UNUSED";
# These are used in addition to $gcc_devteam_warn when the compiler is clang.
# TODO(openssl-team): fix problems and investigate if (at least) the
# following warnings can also be enabled:
# -Wswitch-enum, -Wunused-macros, -Wmissing-field-initializers,
# -Wunreachable-code -Wunused-parameter -Wlanguage-extension-token
# -Wextended-offsetof
my $clang_devteam_warn = "-Wno-unused-parameter -Wno-missing-field-initializers -Wno-language-extension-token -Wno-extended-offsetof -Wconditional-uninitialized -Qunused-arguments -Wincompatible-pointer-types-discards-qualifiers -Wmissing-variable-declarations";
Dr. Stephen Henson
committed
my $strict_warnings = 0;
my $x86_gcc_des="DES_PTR DES_RISC1 DES_UNROLL";
# MD2_CHAR slags pentium pros
my $x86_gcc_opts="RC4_INDEX MD2_INT";
#$bits1="SIXTEEN_BIT ";
#$bits2="THIRTY_TWO_BIT ";
my $bits1="THIRTY_TWO_BIT ";
my $bits2="SIXTY_FOUR_BIT ";
# As for $BSDthreads. Idea is to maintain "collective" set of flags,
# which would cover all BSD flavors. -pthread applies to them all,
# but is treated differently. OpenBSD expands is as -D_POSIX_THREAD
# -lc_r, which is sufficient. FreeBSD 4.x expands it as -lc_r,
# which has to be accompanied by explicit -D_THREAD_SAFE and
# sometimes -D_REENTRANT. FreeBSD 5.x expands it as -lc_r, which
# seems to be sufficient?
my $BSDthreads="-pthread -D_THREAD_SAFE -D_REENTRANT";
# table of known configurations, read in from files
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#
# The content of each entry can take one of two forms:
#
# - old style config-string, colon seperated fields with exactly the
# following structure.:
#
# $cc : $cflags : $unistd : $thread_cflag : $sys_id : $lflags : $bn_ops : $cpuid_obj : $bn_obj : $ec_obj : $des_obj : $aes_obj : $bf_obj : $md5_obj : $sha1_obj : $cast_obj : $rc4_obj : $rmd160_obj : $rc5_obj : $wp_obj : $cmll_obj : $modes_obj : $engines_obj : $perlasm_scheme : $dso_scheme : $shared_target : $shared_cflag : $shared_ldflag : $shared_extension : $ranlib : $arflags : $multilib
#
# We use the stringtohash function - defined below - to combine with the
# fields and form a proper hash table from the string.
#
# - direct transfer of old style config string to hash table, using the names
# of the fields as keys:
#
# {
# cc => $cc,
# cflags => $cflags,
# unistd => $unistd,
# thread_cflag => $thread_cflag,
# sys_id => $sys_id,
# lflags => $lflags,
# bn_ops => $bn_ops,
# cpuid_obj => $cpuid_obj,
# bn_obj => $bn_obj,
# ec_obj => $ec_obj,
# des_obj => $des_obj,
# aes_obj => $aes_obj,
# bf_obj => $bf_obj,
# md5_obj => $md5_obj,
# sha1_obj => $sha1_obj,
# cast_obj => $cast_obj,
# rc4_obj => $rc4_obj,
# rmd160_obj => $rmd160_obj,
# rc5_obj => $rc5_obj,
# wp_obj => $wp_obj,
# cmll_obj => $cmll_obj,
# modes_obj => $modes_obj,
# engines_obj => $engines_obj,
# perlasm_scheme => $perlasm_scheme,
# dso_scheme => $dso_scheme,
# shared_target => $shared_target,
# shared_cflag => $shared_cflag,
# shared_ldflag => $shared_ldflag,
# shared_extension => $shared_extension,
# ranlib => $ranlib,
# arflags => $arflags,
# multilib => $multilib
# }
#
# - new style config hash table, which has additional attributes for debug
# and non-debug flags to be added to the common flags, for cflags and lflags:
#
# {
# cc => $cc,
# cflags => $cflags,
# debug_cflags => $debug_cflags,
# release_cflags => $release_cflags,
# unistd => $unistd,
# thread_cflag => $thread_cflag,
# sys_id => $sys_id,
# lflags => $lflags,
# debug_lflags => $debug_lflags,
# release_lflags => $release_lflags,
# bn_ops => $bn_ops,
# cpuid_obj => $cpuid_obj,
# bn_obj => $bn_obj,
# ec_obj => $ec_obj,
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