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#!/bin/bash -norc
dnl This file is an input file used by the GNU "autoconf" program to
dnl generate the file "configure", which is run during Tcl installation
dnl to configure the system for the local environment.
dnl Define ourselves
AC_INIT(tcltls, 1.8.0)
dnl Checks for programs.
AC_PROG_CC
AC_PROG_MAKE_SET
AC_PROG_INSTALL
AC_GNU_SOURCE
dnl Determine system information
DC_CHK_OS_INFO
dnl Look for appropriate headers
AC_CHECK_HEADERS(unistd.h stdlib.h string.h strings.h)
dnl Perform Tcl Extension required stuff
TCLEXT_INIT
if test "$TCLEXT_BUILD" != 'static'; then
dnl Determine how to make shared objects
DC_GET_SHOBJFLAGS
EXTENSION_TARGET="tcltls.${SHOBJEXT}"
AC_CHECK_TOOL([AR], [ar], [false])
AC_CHECK_TOOL([RANLIB], [ranlib], [:])
EXTENSION_TARGET="tcltls.${AREXT}"
AC_SUBST(EXTENSION_TARGET)
AC_SUBST(TCLEXT_BUILD)
dnl Determine what SSL library to link with
AC_ARG_WITH([ssl], AS_HELP_STRING([--with-ssl=<name>], [name of ssl library to build against (openssl, libressl, nss, auto)]), [
if test "$withval" = "no"; then
AC_MSG_ERROR([You may not specify --without-ssl])
if test "$withval" = "yes"; then
if test "${enableval}" = "no"; then
AC_MSG_ERROR([If you specify --with-ssl then you must provide a value])
tcltls_ssl_lib="$withval"
], [
tcltls_ssl_lib='auto'
if test "${enableval}" = "no"; then
AC_DEFINE([NO_TLS1_2], [1], [Disable TLS1.2 support])
fi
])
dnl Disable support for TLS 1.3
AC_ARG_ENABLE([tls1_3], AS_HELP_STRING([--disable-tls1_3], [disable TLS1.3 support]), [
if test "${enableval}" = "no"; then
AC_DEFINE([NO_TLS1_3], [1], [Disable TLS1.3 support])
fi
])
dnl Enable support for building the same library every time
tcltls_deterministic='false'
AC_ARG_ENABLE([deterministic], AS_HELP_STRING([--enable-deterministic], [enable deterministic parameters]), [
if test "$enableval" = "yes"; then
tcltls_deterministic='true'
fi
])
if test "$tcltls_deterministic" = 'true'; then
GEN_DH_PARAMS_ARGS='fallback'
else
GEN_DH_PARAMS_ARGS=''
fi
dnl Enable support for specifying pre-computed DH params size
AC_ARG_WITH([builtin-dh-params-size], AS_HELP_STRING([--with-builtin-dh-params-size=<bits>], [specify the size of the built-in, precomputed, DH params]), [
AS_CASE([$withval],
[2048|4096|8192],,
[
AC_MSG_ERROR([Unsupported DH params size: $withval])
]
)
dnl Allow the user to manually disable protocols
dnl ## SSLv2: Enabled by default
tcltls_ssl_ssl2='true'
AC_ARG_ENABLE([sslv2], AS_HELP_STRING([--disable-sslv2], [disable SSLv2 protocol]), [
if test "$enableval" = "yes"; then
tcltls_ssl_ssl2='force'
else
tcltls_ssl_ssl2='false'
fi
])
dnl ## SSLv3: Enabled by default
tcltls_ssl_ssl3='true'
AC_ARG_ENABLE([sslv3], AS_HELP_STRING([--disable-sslv3], [disable SSLv3 protocol]), [
if test "$enableval" = "yes"; then
tcltls_ssl_ssl3='force'
else
tcltls_ssl_ssl3='false'
fi
])
dnl ## TLSv1.0: Enabled by default
tcltls_ssl_tls1_0='true'
AC_ARG_ENABLE([tlsv1.0], AS_HELP_STRING([--disable-tlsv1.0], [disable TLSv1.0 protocol]), [
if test "$enableval" = "yes"; then
tcltls_ssl_tls1_0='force'
else
tcltls_ssl_tls1_0='false'
fi
])
dnl ## TLSv1.1: Enabled by default
tcltls_ssl_tls1_1='true'
AC_ARG_ENABLE([tlsv1.1], AS_HELP_STRING([--disable-tlsv1.1], [disable TLSv1.1 protocol]), [
if test "$enableval" = "yes"; then
tcltls_ssl_tls1_1='force'
else
tcltls_ssl_tls1_1='false'
fi
])
dnl ## TLSv1.2: Enabled by default
tcltls_ssl_tls1_2='true'
AC_ARG_ENABLE([tlsv1.2], AS_HELP_STRING([--disable-tlsv1.2], [disable TLSv1.2 protocol]), [
if test "$enableval" = "yes"; then
tcltls_ssl_tls1_2='force'
else
tcltls_ssl_tls1_2='false'
fi
])
dnl ## TLSv1.3: Enabled by default
tcltls_ssl_tls1_3='true'
AC_ARG_ENABLE([tlsv1.3], AS_HELP_STRING([--disable-tlsv1.3], [disable TLSv1.3 protocol]), [
if test "$enableval" = "yes"; then
tcltls_ssl_tls1_3='force'
else
tcltls_ssl_tls1_3='false'
fi
])
dnl Enable support for a debugging build
tcltls_debug='false'
AC_ARG_ENABLE([debug], AS_HELP_STRING([--enable-debug], [enable debugging parameters]), [
if test "$enableval" = "yes"; then
tcltls_debug='true'
fi
])
if test "$tcltls_debug" = 'true'; then
AC_DEFINE(TCLEXT_TCLTLS_DEBUG, [1], [Enable debugging build])
AX_CHECK_COMPILE_FLAG([-fcheck-pointer-bounds], [CFLAGS="$CFLAGS -fcheck-pointer-bounds"])
else
dnl If we are not doing debugging disable some of the more annoying warnings
AX_CHECK_COMPILE_FLAG([-Wno-unused-value], [CFLAGS="$CFLAGS -Wno-unused-value"])
AX_CHECK_COMPILE_FLAG([-Wno-unused-parameter], [CFLAGS="$CFLAGS -Wno-unused-parameter"])
AX_CHECK_COMPILE_FLAG([-Wno-deprecated-declarations], [CFLAGS="$CFLAGS -Wno-deprecated-declarations"])
fi
dnl Find "pkg-config" since we need to use it
AC_CHECK_TOOL([PKGCONFIG], [pkg-config], [false])
dnl Enable compiler warnings
AX_CHECK_COMPILE_FLAG([-Wall], [CFLAGS="$CFLAGS -Wall"])
AX_CHECK_COMPILE_FLAG([-W], [
CFLAGS="$CFLAGS -W"
AX_CHECK_COMPILE_FLAG([-Wno-self-assign], [CFLAGS="$CFLAGS -Wno-self-assign"])
])
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fi
if test "$tcltls_enable_hardening" = 'true'; then
AX_CHECK_COMPILE_FLAG([-fstack-protector-all], [CFLAGS="$CFLAGS -fstack-protector-all"])
AX_CHECK_COMPILE_FLAG([-fno-strict-overflow], [CFLAGS="$CFLAGS -fno-strict-overflow"])
AC_DEFINE([_FORTIFY_SOURCE], [2], [Enable fortification])
fi
dnl XXX:TODO: Automatically determine the SSL library to use
dnl defaulting to OpenSSL for compatibility reasons
if test "$tcltls_ssl_lib" = 'auto'; then
tcltls_ssl_lib='openssl'
fi
AC_MSG_CHECKING([which TLS library to use])
AC_MSG_RESULT([$tcltls_ssl_lib])
dnl Manually rewrite libressl to OpenSSL since we use the
dnl compatibility interface
if test "$tcltls_ssl_lib" = "libressl"; then
tcltls_ssl_lib='openssl'
fi
AS_CASE([$tcltls_ssl_lib],
[openssl], [
TCLTLS_SSL_OPENSSL
],
[nss], [
TCLTLS_SSL_LIBS=""
TCLTLS_SSL_CFLAGS=""
TCLTLS_SSL_CPPFLAGS=""
],
[
AC_MSG_ERROR([Unsupported SSL library: $tcltls_ssl_lib])
]
)
dnl Determine how to use this SSL library
AC_MSG_CHECKING([how to use $tcltls_ssl_lib])
LIBS="${TCLTLS_SSL_LIBS} ${LIBS} ${TCLTLS_SSL_LIBS}"
CFLAGS="${TCLTLS_SSL_CFLAGS} ${CFLAGS} ${TCLTLS_SSL_CFLAGS}"
CPPFLAGS="${TCLTLS_SSL_CPPFLAGS} ${CPPFLAGS} ${TCLTLS_SSL_CPPFLAGS}"
AC_MSG_RESULT([$TCLTLS_SSL_CPPFLAGS $TCLTLS_SSL_CFLAGS $TCLTLS_SSL_LIBS])
dnl Sync the RPATH if requested
if test "$TCLEXT_BUILD" != 'static'; then
if test "$TCLEXT_TLS_STATIC_SSL" = 'yes'; then
DC_SYNC_RPATH([no])
else
DC_SYNC_RPATH([yes])
fi
fi
dnl Enable a stable ABI
DC_SETUP_STABLE_API([${srcdir}/tcltls.vers], tcltls.syms)
if test "$tcltls_debug" = 'true'; then
WEAKENSYMS=':'
REMOVESYMS=':'
fi
dnl Produce output
AC_OUTPUT(Makefile pkgIndex.tcl tcltls.syms)
|