cryb-to/configure.ac

AC_PREREQ([2.63])
AC_INIT([cryb.to], [devel], [des@des.no], [crybto], [http://cryb.to/])
AC_CONFIG_SRCDIR([include/cryb/to.h])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([foreign])
AM_CONFIG_HEADER([include/config.h])

############################################################################
#
# Toolchain
#

# C compiler and features
AC_LANG(C)
AC_PROG_CC
AC_PROG_CC_STDC
AC_PROG_CPP
AC_GNU_SOURCE
AC_C_CONST
AC_C_RESTRICT
AC_C_VOLATILE
AC_C_BIGENDIAN

# libtool
LT_PREREQ([2.2.6])
LT_INIT()

# other programs
AC_PROG_INSTALL

############################################################################
#
# Headers and functions
#

AC_CHECK_HEADERS([endian.h sys/endian.h])
AC_CHECK_DECLS([
    be16enc, be16dec, le16enc, le16dec,
    be32enc, be32dec, le32enc, le32dec,
    be64enc, be64dec, le64enc, le64dec
], [], [], [[
#if HAVE_SYS_ENDIAN_H
#include <sys/endian.h>
#endif
#if HAVE_ENDIAN_H
#include <endian.h>
#endif
]])
AC_CHECK_FUNCS([strlcat strlcmp strlcpy])

# 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])

# 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_WITH([doc],
    AC_HELP_STRING([--without-doc],
	[do not build the documentation]),
    [],
    [with_doc=yes])
AM_CONDITIONAL([WITH_DOC], [test x"$with_doc" = x"yes"])

# Message digests
AC_ARG_WITH([digest],
    AC_HELP_STRING([--without-digest],
	[do not build the message digest library and tools]),
    [],
    [with_digest=yes])
AM_CONDITIONAL([WITH_DIGEST], [test x"$with_digest" = x"yes"])

# Message authentication codes
AC_ARG_WITH([mac],
    AC_HELP_STRING([--without-mac],
	[do not build the message authentication code library and tools]),
    [],
    [with_mac=yes])
AM_CONDITIONAL([WITH_MAC], [test x"$with_digest" = x"yes"])

# OATH
AC_ARG_WITH([oath],
    AC_HELP_STRING([--without-oath],
	[do not build the OATH library and tools]),
    [],
    [with_oath=yes])
AM_CONDITIONAL([WITH_OATH], [test x"$with_oath" = x"yes"])

############################################################################
#
# Debugging
#

# OpenSSL versions of the unit tests for comparison
AC_ARG_WITH([openssl],
    AC_HELP_STRING([--with-openssl],
	[build unit tests with OpenSSL support]),
    [],
    [with_openssl=no])
AM_CONDITIONAL([WITH_OPENSSL], [test x"$with_openssl" = x"yes"])

# RSAREF versions of the unit tests for comparison
AC_ARG_WITH([rsaref],
    AC_HELP_STRING([--with-rsaref],
	[build unit tests with RSAREF support]),
    [],
    [with_rsaref=no])
AM_CONDITIONAL([WITH_RSAREF], [test x"$with_rsaref" = x"yes"])

# Developer-friendly compiler flags
AC_ARG_ENABLE([developer-warnings],
    AS_HELP_STRING([--enable-developer-warnings],
	[enable strict warnings (default is NO)]),
    [CFLAGS="${CFLAGS} -Wall -Wextra -Wcast-qual"])
AC_ARG_ENABLE([debugging-symbols],
    AS_HELP_STRING([--enable-debugging-symbols],
	[enable debugging symbols (default is NO)]),
    [CFLAGS="${CFLAGS} -O0 -g -fno-inline"])
AC_ARG_ENABLE([werror],
    AS_HELP_STRING([--enable-werror],
	[use -Werror (default is NO)]),
    [CFLAGS="${CFLAGS} -Werror"])

############################################################################
#
# Output
#

AC_CONFIG_FILES([
    Makefile
    include/Makefile
    include/cryb/Makefile
    lib/Makefile
    lib/core/Makefile
    lib/cpe/Makefile
    lib/digest/Makefile
    lib/enc/Makefile
    lib/hash/Makefile
    lib/mac/Makefile
    lib/mpi/Makefile
    lib/oath/Makefile
    lib/rand/Makefile
    lib/rsaref/Makefile
    t/Makefile
])
AC_CONFIG_FILES([mkpkgng], [chmod +x mkpkgng])
AC_CONFIG_FILES([tools/coverage.sh], [chmod +x tools/coverage.sh])
AC_OUTPUT
initial code drop 2014-07-04 11:18:53 +00:00			`AC_PREREQ([2.63])`
Remove author and sponsor tags; we'll deal with that some other way. Remove $Cryb$ tags as it is likely that the code will move to git. 2014-08-01 14:31:07 +00:00			`AC_INIT([cryb.to], [devel], [des@des.no], [crybto], [http://cryb.to/])`
initial code drop 2014-07-04 11:18:53 +00:00			`AC_CONFIG_SRCDIR([include/cryb/to.h])`
			`AC_CONFIG_MACRO_DIR([m4])`
			`AM_INIT_AUTOMAKE([foreign])`
			`AM_CONFIG_HEADER([include/config.h])`

Reorganize the configure script. Move the header and function checks up so they're not affected by the debugging / developer options. 2014-07-13 19:59:58 +00:00			`############################################################################`
			`#`
			`# Toolchain`
			`#`

initial code drop 2014-07-04 11:18:53 +00:00			`# C compiler and features`
			`AC_LANG(C)`
			`AC_PROG_CC`
			`AC_PROG_CC_STDC`
			`AC_PROG_CPP`
Add missing checks for clock_gettime(2) (Linux has it in librt) and for the unaligned encoding / decoding functions in <cryb/endian.h>. 2014-10-30 12:55:36 +00:00			`AC_GNU_SOURCE`
initial code drop 2014-07-04 11:18:53 +00:00			`AC_C_CONST`
			`AC_C_RESTRICT`
			`AC_C_VOLATILE`
			`AC_C_BIGENDIAN`

			`# libtool`
			`LT_PREREQ([2.2.6])`
			`LT_INIT()`

			`# other programs`
			`AC_PROG_INSTALL`

Reorganize the configure script. Move the header and function checks up so they're not affected by the debugging / developer options. 2014-07-13 19:59:58 +00:00			`############################################################################`
			`#`
			`# Headers and functions`
			`#`
initial code drop 2014-07-04 11:18:53 +00:00
Reorganize the configure script. Move the header and function checks up so they're not affected by the debugging / developer options. 2014-07-13 19:59:58 +00:00			`AC_CHECK_HEADERS([endian.h sys/endian.h])`
Add 16-bit endian conversion functions. 2015-08-17 15:37:07 +00:00			`AC_CHECK_DECLS([`
			`be16enc, be16dec, le16enc, le16dec,`
			`be32enc, be32dec, le32enc, le32dec,`
			`be64enc, be64dec, le64enc, le64dec`
			`], [], [], [[`
Consistently use #if HAVE_FOO instead of #ifdef HAVE_FOO. The reason is that AC_CHECK_DECLS([foo]), unlike AC_CHECK_FUNCS([foo]), will always define HAVE_FOO, so #ifdef HAVE_FOO will always be true even if it is 0. This commit finally fixes the [bl]e{32,64}{enc,dec} issue on Linux. 2014-12-20 00:38:54 +00:00			`#if HAVE_SYS_ENDIAN_H`
Fix the checks for the unaligned encoding / decoding functions, as they can be macros or inline functions in either <endian.h> or <sys/endian.h>. 2014-10-30 13:24:53 +00:00			`#include <sys/endian.h>`
			`#endif`
Consistently use #if HAVE_FOO instead of #ifdef HAVE_FOO. The reason is that AC_CHECK_DECLS([foo]), unlike AC_CHECK_FUNCS([foo]), will always define HAVE_FOO, so #ifdef HAVE_FOO will always be true even if it is 0. This commit finally fixes the [bl]e{32,64}{enc,dec} issue on Linux. 2014-12-20 00:38:54 +00:00			`#if HAVE_ENDIAN_H`
Fix the checks for the unaligned encoding / decoding functions, as they can be macros or inline functions in either <endian.h> or <sys/endian.h>. 2014-10-30 13:24:53 +00:00			`#include <endian.h>`
			`#endif`
			`]])`
Reorganize the configure script. Move the header and function checks up so they're not affected by the debugging / developer options. 2014-07-13 19:59:58 +00:00			`AC_CHECK_FUNCS([strlcat strlcmp strlcpy])`

Check for <sys/ktrace.h> and utrace(2). 2014-10-30 12:05:45 +00:00			`# For tracing allocations in unit tests`
Improved checks for <sys/ktrace.h>. 2014-10-30 13:07:16 +00:00			`AC_CHECK_HEADERS([sys/uio.h sys/ktrace.h], [], [], [[`
			`#include <sys/param.h>`
Consistently use #if HAVE_FOO instead of #ifdef HAVE_FOO. The reason is that AC_CHECK_DECLS([foo]), unlike AC_CHECK_FUNCS([foo]), will always define HAVE_FOO, so #ifdef HAVE_FOO will always be true even if it is 0. This commit finally fixes the [bl]e{32,64}{enc,dec} issue on Linux. 2014-12-20 00:38:54 +00:00			`#if HAVE_SYS_UIO_H`
Improved checks for <sys/ktrace.h>. 2014-10-30 13:07:16 +00:00			`#include <sys/uio.h>`
			`#endif`
			`]])`
Check for <sys/ktrace.h> and utrace(2). 2014-10-30 12:05:45 +00:00			`AC_CHECK_FUNCS([utrace])`

Add a memset_s() implementation (cf. C11 / WG14 N1381) 2015-02-15 09:18:18 +00:00			`# 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])`

Add missing checks for clock_gettime(2) (Linux has it in librt) and for the unaligned encoding / decoding functions in <cryb/endian.h>. 2014-10-30 12:55:36 +00:00			`############################################################################`
			`#`
			`# Extra libraries`
			`#`

			`save_LIBS="${LIBS}"`
			`LIBS=""`
Use AC_SEARCH_LIBS instead of AC_CHECK_LIB so we don't pull in librt unless we actually need it. 2014-10-30 14:32:46 +00:00			`AC_SEARCH_LIBS([clock_gettime], [rt])`
Add missing checks for clock_gettime(2) (Linux has it in librt) and for the unaligned encoding / decoding functions in <cryb/endian.h>. 2014-10-30 12:55:36 +00:00			`RT_LIBS="${LIBS}"`
			`LIBS="${save_LIBS}"`
			`AC_SUBST(RT_LIBS)`

Reorganize the configure script. Move the header and function checks up so they're not affected by the debugging / developer options. 2014-07-13 19:59:58 +00:00			`############################################################################`
			`#`
			`# Build options`
			`#`
initial code drop 2014-07-04 11:18:53 +00:00
			`# Documentation`
			`AC_ARG_WITH([doc],`
			`AC_HELP_STRING([--without-doc],`
			`[do not build the documentation]),`
			`[],`
			`[with_doc=yes])`
			`AM_CONDITIONAL([WITH_DOC], [test x"$with_doc" = x"yes"])`

			`# Message digests`
			`AC_ARG_WITH([digest],`
			`AC_HELP_STRING([--without-digest],`
			`[do not build the message digest library and tools]),`
			`[],`
			`[with_digest=yes])`
			`AM_CONDITIONAL([WITH_DIGEST], [test x"$with_digest" = x"yes"])`

			`# Message authentication codes`
			`AC_ARG_WITH([mac],`
			`AC_HELP_STRING([--without-mac],`
			`[do not build the message authentication code library and tools]),`
			`[],`
			`[with_mac=yes])`
			`AM_CONDITIONAL([WITH_MAC], [test x"$with_digest" = x"yes"])`

			`# OATH`
			`AC_ARG_WITH([oath],`
			`AC_HELP_STRING([--without-oath],`
			`[do not build the OATH library and tools]),`
			`[],`
			`[with_oath=yes])`
			`AM_CONDITIONAL([WITH_OATH], [test x"$with_oath" = x"yes"])`

Reorganize the configure script. Move the header and function checks up so they're not affected by the debugging / developer options. 2014-07-13 19:59:58 +00:00			`############################################################################`
			`#`
			`# Debugging`
			`#`

			`# OpenSSL versions of the unit tests for comparison`
			`AC_ARG_WITH([openssl],`
			`AC_HELP_STRING([--with-openssl],`
			`[build unit tests with OpenSSL support]),`
			`[],`
			`[with_openssl=no])`
			`AM_CONDITIONAL([WITH_OPENSSL], [test x"$with_openssl" = x"yes"])`

			`# RSAREF versions of the unit tests for comparison`
			`AC_ARG_WITH([rsaref],`
			`AC_HELP_STRING([--with-rsaref],`
			`[build unit tests with RSAREF support]),`
			`[],`
			`[with_rsaref=no])`
			`AM_CONDITIONAL([WITH_RSAREF], [test x"$with_rsaref" = x"yes"])`

initial code drop 2014-07-04 11:18:53 +00:00			`# Developer-friendly compiler flags`
			`AC_ARG_ENABLE([developer-warnings],`
			`AS_HELP_STRING([--enable-developer-warnings],`
			`[enable strict warnings (default is NO)]),`
Add -Wcast-qual to the developer warning flags. 2014-12-20 00:27:20 +00:00			`[CFLAGS="${CFLAGS} -Wall -Wextra -Wcast-qual"])`
initial code drop 2014-07-04 11:18:53 +00:00			`AC_ARG_ENABLE([debugging-symbols],`
			`AS_HELP_STRING([--enable-debugging-symbols],`
			`[enable debugging symbols (default is NO)]),`
			`[CFLAGS="${CFLAGS} -O0 -g -fno-inline"])`
			`AC_ARG_ENABLE([werror],`
			`AS_HELP_STRING([--enable-werror],`
			`[use -Werror (default is NO)]),`
			`[CFLAGS="${CFLAGS} -Werror"])`

Reorganize the configure script. Move the header and function checks up so they're not affected by the debugging / developer options. 2014-07-13 19:59:58 +00:00			`############################################################################`
			`#`
			`# Output`
			`#`
initial code drop 2014-07-04 11:18:53 +00:00
			`AC_CONFIG_FILES([`
			`Makefile`
			`include/Makefile`
			`include/cryb/Makefile`
			`lib/Makefile`
			`lib/core/Makefile`
WIP: CPE library. 2014-08-01 14:18:25 +00:00			`lib/cpe/Makefile`
initial code drop 2014-07-04 11:18:53 +00:00			`lib/digest/Makefile`
			`lib/enc/Makefile`
Add a library of general (non-cryptographic) hash functions, currently consisting of the Pearson string hash function and the Murmur3-32 hash function. 2014-07-19 06:03:57 +00:00			`lib/hash/Makefile`
initial code drop 2014-07-04 11:18:53 +00:00			`lib/mac/Makefile`
Start of a multiple-precision integer arithmetic library. 2014-08-12 07:30:31 +00:00			`lib/mpi/Makefile`
initial code drop 2014-07-04 11:18:53 +00:00			`lib/oath/Makefile`
			`lib/rand/Makefile`
			`lib/rsaref/Makefile`
			`t/Makefile`
			`])`
Get latest mkpkgng script from OpenPAM. 2014-12-20 02:58:11 +00:00			`AC_CONFIG_FILES([mkpkgng], [chmod +x mkpkgng])`
Make coverage.sh executable. 2014-12-20 00:52:37 +00:00			`AC_CONFIG_FILES([tools/coverage.sh], [chmod +x tools/coverage.sh])`
initial code drop 2014-07-04 11:18:53 +00:00			`AC_OUTPUT`