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cryb-to/configure.ac
Dag-Erling Smørgrav 785612b12b Apply developer flags to C++ as well as C.
2017-12-17 14:03:26 +01:00

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AC_PREREQ([2.63])
AC_INIT([cryb.to], [0.20170904], [des@des.no], [cryb-to], [http://cryb.to/])
AC_CONFIG_SRCDIR([include/cryb/core.h])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([foreign no-dist-gzip dist-xz])
AM_CONFIG_HEADER([include/config.h])
############################################################################
#
# Toolchain
#
# C compiler and features
AC_LANG(C)
AC_PROG_CC([clang gcc cc])
AC_PROG_CC_STDC
AC_PROG_CPP
AC_PROG_CXX([clang++ g++ c++])
AC_GNU_SOURCE
AC_C_CONST
AC_C_RESTRICT
AC_C_VOLATILE
AC_C_BIGENDIAN
# libtool
LT_PREREQ([2.2.6])
LT_INIT()
# pkg-config
AX_PROG_PKG_CONFIG
# other programs
AC_PROG_INSTALL
############################################################################
#
# Types
#
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT8_T
AC_TYPE_INTMAX_T
AC_TYPE_INTPTR_T
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT8_T
AC_TYPE_UINTMAX_T
AC_TYPE_UINTPTR_T
############################################################################
#
# Headers and functions
#
AC_CHECK_HEADERS([endian.h sys/endian.h strings.h])
AX_GCC_BUILTIN([__builtin_bswap16])
AX_GCC_BUILTIN([__builtin_bswap32])
AX_GCC_BUILTIN([__builtin_bswap64])
AX_GCC_BUILTIN([__builtin_clz])
AX_GCC_BUILTIN([__builtin_clzl])
AX_GCC_BUILTIN([__builtin_clzll])
AX_GCC_BUILTIN([__builtin_ctz])
AX_GCC_BUILTIN([__builtin_ctzl])
AX_GCC_BUILTIN([__builtin_ctzll])
AX_GCC_BUILTIN([__builtin_ffs])
AX_GCC_BUILTIN([__builtin_ffsl])
AX_GCC_BUILTIN([__builtin_ffsll])
# No compiler we know of has these
#AX_GCC_BUILTIN([__builtin_fls])
#AX_GCC_BUILTIN([__builtin_flsl])
#AX_GCC_BUILTIN([__builtin_flsll])
AC_CHECK_DECLS([
bswap16, bswap32, bswap64,
bswap16v, bswap32v, bswap64v,
be16enc, be16dec, le16enc, le16dec,
be16encv, be16decv, le16encv, le16decv,
be32enc, be32dec, le32enc, le32dec,
be32encv, be32decv, le32encv, le32decv,
be64enc, be64dec, le64enc, le64dec,
be64encv, be64decv, le64encv, le64decv,
htobe16, be16toh, htole16, le16toh,
htobe32, be32toh, htole32, le32toh,
htobe64, be64toh, htole64, le64toh,
nothing
], [], [], [[
#if HAVE_SYS_ENDIAN_H
#include <sys/endian.h>
#endif
#if HAVE_ENDIAN_H
#include <endian.h>
#endif
]])
AC_CHECK_FUNCS([ffs ffsl ffsll fls flsl flsll], [], [], [[
#if HAVE_STRINGS_H
#include <strings.h>
#endif
]])
AC_CHECK_FUNCS([strchrnul strlcat strlcmp strlcpy])
AC_CHECK_FUNCS([wcschrnul wcslcat wcslcmp wcslcpy])
# For tracing allocations in unit tests
AC_CHECK_HEADERS([sys/uio.h sys/ktrace.h], [], [], [[
#include <sys/param.h>
#if HAVE_SYS_UIO_H
#include <sys/uio.h>
#endif
]])
AC_CHECK_FUNCS([utrace])
# Used in some unit tests
AC_CHECK_HEADERS([sys/resource.h])
AC_CHECK_FUNCS([setrlimit])
# C11 features
# XXX our version has an incorrect prototype due to the lack of a test
# for the existence of rsize_t and RSIZE_MAX.
AC_CHECK_FUNCS([memset_s])
############################################################################
#
# Extra libraries
#
save_LIBS="${LIBS}"
LIBS=""
AC_SEARCH_LIBS([clock_gettime], [rt])
RT_LIBS="${LIBS}"
LIBS="${save_LIBS}"
AC_SUBST(RT_LIBS)
############################################################################
#
# Build options
#
# Documentation
AC_ARG_ENABLE([doc],
AS_HELP_STRING([--disable-doc],
[do not build the documentation]),
[with_doc=$enableval])
AM_CONDITIONAL([WITH_DOC], [test x"$with_doc" != x"no"])
############################################################################
#
# Debugging
#
# OpenSSL versions of the unit tests for comparison
AC_ARG_ENABLE([openssl-tests],
AS_HELP_STRING([--enable-openssl-tests],
[build unit tests with OpenSSL support]))
AM_CONDITIONAL([OPENSSL_TESTS], [test x"$enable_openssl_tests" = x"yes"])
# RSAREF versions of the unit tests for comparison
AC_ARG_ENABLE([rsaref-tests],
AS_HELP_STRING([--enable-rsaref-tests],
[build unit tests enable RSAREF support]))
AM_CONDITIONAL([RSAREF_TESTS], [test x"enable_rsaref_tests" = x"yes"])
XFLAGS=""
# Developer-friendly compiler flags
AC_ARG_ENABLE([developer-warnings],
AS_HELP_STRING([--enable-developer-warnings],
[enable strict warnings (default is NO)]),
[XFLAGS="${XFLAGS} -Wall -Wextra -Wcast-qual -Wshadow"])
AC_ARG_ENABLE([debugging-symbols],
AS_HELP_STRING([--enable-debugging-symbols],
[enable debugging symbols (default is NO)]),
[XFLAGS="${XFLAGS} -O0 -fno-inline -g"])
AC_ARG_ENABLE([werror],
AS_HELP_STRING([--enable-werror],
[use -Werror (default is NO)]),
[XFLAGS="${XFLAGS} -Werror"])
CFLAGS="${CFLAGS} ${XFLAGS}"
CXXFLAGS="${CXXFLAGS} ${XFLAGS}"
unset XFLAGS
############################################################################
#
# Components
#
# Everything
AC_ARG_ENABLE([all],
AS_HELP_STRING([--disable-all],
[disable all libraries and tools]),
[enable_all=$enableval],
[enable_all=yes])
# Ciphers
elements="$elements cipher"
requires="$requires cipher:core"
AC_ARG_ENABLE([cryb-cipher],
AS_HELP_STRING([--enable-cryb-cipher],
[build the cipher library]),
[enable_cryb_cipher=$enableval],
[enable_cryb_cipher=$enable_all])
AM_CONDITIONAL([CRYB_CIPHER], [test x"$enable_cryb_cipher" = x"yes"])
# Core
elements="$elements core"
AC_ARG_ENABLE([cryb-core],
AS_HELP_STRING([--enable-cryb-core],
[build the core library]),
[enable_cryb_core=$enableval],
[enable_cryb_core=$enable_all])
AM_CONDITIONAL([CRYB_CORE], [test x"$enable_cryb_core" = x"yes"])
# CPE
elements="$elements cpe"
requires="$requires cpe:core"
AC_ARG_ENABLE([cryb-cpe],
AS_HELP_STRING([--enable-cryb-cpe],
[build the CPE library]),
[enable_cryb_cpe=$enableval],
[enable_cryb_cpe=$enable_all])
AM_CONDITIONAL([CRYB_CPE], [test x"$enable_cryb_cpe" = x"yes"])
# Message digests
elements="$elements digest"
requires="$requires digests:core"
AC_ARG_ENABLE([cryb-digest],
AS_HELP_STRING([--enable-cryb-digest],
[build the message digest library]),
[enable_cryb_digest=$enableval],
[enable_cryb_digest=$enable_all])
AM_CONDITIONAL([CRYB_DIGEST], [test x"$enable_cryb_digest" = x"yes"])
# Encodings
elements="$elements enc"
requires="$requires enc:core"
AC_ARG_ENABLE([cryb-enc],
AS_HELP_STRING([--enable-cryb-enc],
[build the encoding library]),
[enable_cryb_enc=$enableval],
[enable_cryb_enc=$enable_all])
AM_CONDITIONAL([CRYB_ENC], [test x"$enable_cryb_enc" = x"yes"])
# Non-cryptographic hashes
elements="$elements hash"
requires="$requires hash:core"
AC_ARG_ENABLE([cryb-hash],
AS_HELP_STRING([--enable-cryb-hash],
[build the non-cryptographic hash library]),
[enable_cryb_hash=$enableval],
[enable_cryb_hash=$enable_all])
AM_CONDITIONAL([CRYB_HASH], [test x"$enable_cryb_hash" = x"yes"])
# Message authentication codes
elements="$elements mac"
requires="$requires mac:core mac:digest"
AC_ARG_ENABLE([cryb-mac],
AS_HELP_STRING([--enable-cryb-mac],
[build the message authentication code library]),
[enable_cryb_mac=$enableval],
[enable_cryb_mac=$enable_all])
AM_CONDITIONAL([CRYB_MAC], [test x"$enable_cryb_digest" = x"yes"])
# Multiple-precision integers
elements="$elements mpi"
requires="$requires mpi:core"
AC_ARG_ENABLE([cryb-mpi],
AS_HELP_STRING([--enable-cryb-mpi],
[build the multiple-precision math library]),
[enable_cryb_mpi=$enableval],
[enable_cryb_mpi=$enable_all])
AM_CONDITIONAL([CRYB_MPI], [test x"$enable_cryb_mpi" = x"yes"])
# OATH
elements="$elements oath"
requires="$requires oath:core oath:digest oath:enc oath:mac oath:rand"
AC_ARG_ENABLE([cryb-oath],
AS_HELP_STRING([--enable-cryb-oath],
[build the OATH library]),
[enable_cryb_oath=$enableval],
[enable_cryb_oath=$enable_all])
AM_CONDITIONAL([CRYB_OATH], [test x"$enable_cryb_oath" = x"yes"])
# Pseudo-randomness
elements="$elements rand"
requires="$requires rand:core"
AC_ARG_ENABLE([cryb-rand],
AS_HELP_STRING([--enable-cryb-rand],
[build the pseudo-randomness library]),
[enable_cryb_rand=$enableval],
[enable_cryb_rand=$enable_all])
AM_CONDITIONAL([CRYB_RAND], [test x"$enable_cryb_rand" = x"yes"])
# Test framework
elements="$elements test"
requires="$requires test:core"
AC_ARG_ENABLE([cryb-test],
AS_HELP_STRING([--enable-cryb-test],
[build the test framework]),
[enable_cryb_test=$enableval],
[enable_cryb_test=$enable_all])
AM_CONDITIONAL([CRYB_TEST], [test x"$enable_cryb_test" = x"yes"])
# Check dependencies
AC_MSG_CHECKING([dependencies])
for req in $requires ; do
lhs=${req%:*}
lhs_ena=`eval echo \\\$enable_cryb_$lhs`
if test x"$lhs_ena" = x"yes" ; then
rhs=${req#*:}
rhs_ena=`eval echo \\\$enable_cryb_$rhs`
if test x"$rhs_ena" != x"yes" ; then
AC_MSG_ERROR([cryb-$lhs requires cryb-$rhs])
fi
fi
done
AC_MSG_RESULT([ok])
############################################################################
#
# Output
#
AC_CONFIG_FILES([
Makefile
include/Makefile
include/cryb/Makefile
lib/Makefile
lib/cipher/Makefile
lib/cipher/cryb-cipher.pc
lib/core/Makefile
lib/core/cryb-core.pc
lib/cpe/Makefile
lib/cpe/cryb-cpe.pc
lib/digest/Makefile
lib/digest/cryb-digest.pc
lib/enc/Makefile
lib/enc/cryb-enc.pc
lib/hash/Makefile
lib/hash/cryb-hash.pc
lib/mac/Makefile
lib/mac/cryb-mac.pc
lib/mpi/Makefile
lib/mpi/cryb-mpi.pc
lib/oath/Makefile
lib/oath/cryb-oath.pc
lib/rand/Makefile
lib/rand/cryb-rand.pc
lib/rsaref/Makefile
lib/test/Makefile
lib/test/cryb-test.pc
t/Makefile
freebsd/Makefile
])
AC_CONFIG_FILES([tools/coverage.sh], [chmod +x tools/coverage.sh])
AC_OUTPUT
echo
echo The following Cryb components will be built:
echo
for elem in $elements ; do
enable=`eval echo \\\$enable_cryb_$elem`
printf "%16s: %s\n" $elem ${enable:-no}
done
echo
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