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configure.ac
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configure.ac
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###############################################################################
# Copyright (c) 2014-2015 libbitcoin-explorer developers (see COPYING).
#
# GENERATED SOURCE CODE, DO NOT EDIT EXCEPT EXPERIMENTALLY
#
###############################################################################
# Standard declarations.
#==============================================================================
# Requires Automake 1.14 or newer.
# Declare the required version of Autoconf.
AC_PREREQ([2.65])
# Process command-line arguments and perform initialization and verification.
AC_INIT([libbitcoin-explorer], [4.0.0], [eric@voskuil.org])
# Do compilation tests.
AC_LANG(C++)
# Specify the temporary directory for build tools.
AC_CONFIG_AUX_DIR([build-aux])
# Specify the directory of additional local Autoconf macros.
AC_CONFIG_MACRO_DIR([m4])
# Run macros for operation of generated Makefiles, enable non-recursive make.
# Unless [foreign] is specified standard GNU files will be required,
# specifically: AUTHORS, COPYING, INSTALL, NEWS, README and ChangeLog.
AM_INIT_AUTOMAKE([subdir-objects])
# Enable C and POSIX extensions that may be disabled on certain platforms.
AC_USE_SYSTEM_EXTENSIONS
# Enable the archiver.
AM_PROG_AR
# Initialize libtool.
LT_INIT
# Determine C++ compiler to use.
AC_PROG_CXX
# Enable shared libraries if available, and static if they don't conflict.
AC_PROG_LIBTOOL
# Compute the canonical host-system type variable host, including host_os.
AC_CANONICAL_HOST
# Enable silent rules option.
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
# Check for pkg-config.
PKG_PROG_PKG_CONFIG
# Declare environment variables that affect the build.
#------------------------------------------------------------------------------
AC_ARG_VAR([CC], "C compiler to use, such as gcc or clang")
AC_ARG_VAR([CXX], "C++ compiler to use, such as g++ or clang++")
AC_ARG_VAR([PKG_CONFIG_PATH], "Additional directories for package discovery.")
# Check for baseline language coverage in the compiler for the C++11 standard.
#------------------------------------------------------------------------------
AX_CXX_COMPILE_STDCXX_11([noext], [mandatory])
# Process options.
#==============================================================================
# Implement --with-bash-completiondir and output ${bash_completiondir} and declare BASH_COMPLETIONDIR.
#------------------------------------------------------------------------------
AC_MSG_CHECKING([--with-bash-completiondir option])
AC_ARG_WITH([bash-completiondir],
AS_HELP_STRING([--with-bash-completiondir[=DIR]],
[Install bash completion support, optionally specifying the directory. This option may require elevated permissions. @<:@default=no@:>@]),
[bash_completiondir=$withval],
[bash_completiondir=no])
AC_MSG_RESULT([$bash_completiondir])
AC_SUBST([bash_completiondir])
AM_CONDITIONAL([BASH_COMPLETIONDIR], [test x$bash_completiondir != xno])
# Implement --with-pkgconfigdir and output ${pkgconfigdir}.
#------------------------------------------------------------------------------
AC_MSG_CHECKING([--with-pkgconfigdir option])
AC_ARG_WITH([pkgconfigdir],
AS_HELP_STRING([--with-pkgconfigdir=DIR],
[Path to pkgconfig directory. @<:@default=${libdir}/pkgconfig@:>@]),
[pkgconfigdir=$withval],
[pkgconfigdir=${libdir}/pkgconfig])
AC_MSG_RESULT([$pkgconfigdir])
AC_SUBST([pkgconfigdir])
# Implement --with-tests and declare WITH_TESTS.
#------------------------------------------------------------------------------
AC_MSG_CHECKING([--with-tests option])
AC_ARG_WITH([tests],
AS_HELP_STRING([--with-tests],
[Compile with unit tests. @<:@default=yes@:>@]),
[with_tests=$withval],
[with_tests=yes])
AC_MSG_RESULT([$with_tests])
AM_CONDITIONAL([WITH_TESTS], [test x$with_tests != xno])
# Implement --with-console and declare WITH_CONSOLE.
#------------------------------------------------------------------------------
AC_MSG_CHECKING([--with-console option])
AC_ARG_WITH([console],
AS_HELP_STRING([--with-console],
[Compile console application. @<:@default=yes@:>@]),
[with_console=$withval],
[with_console=yes])
AC_MSG_RESULT([$with_console])
AM_CONDITIONAL([WITH_CONSOLE], [test x$with_console != xno])
# Implement --enable-ndebug and define NDEBUG.
#------------------------------------------------------------------------------
AC_MSG_CHECKING([--enable-ndebug option])
AC_ARG_ENABLE([ndebug],
AS_HELP_STRING([--enable-ndebug],
[Compile without debug assertions. @<:@default=yes@:>@]),
[enable_ndebug=$enableval],
[enable_ndebug=yes])
AC_MSG_RESULT([$enable_ndebug])
AS_CASE([${enable_ndebug}], [yes], AC_DEFINE([NDEBUG]))
# Inherit --enable-shared and define BOOST_ALL_DYN_LINK.
#------------------------------------------------------------------------------
AS_CASE([${enable_shared}], [yes], AC_DEFINE([BOOST_ALL_DYN_LINK]))
# Check dependencies.
#==============================================================================
# Require Boost of at least version 1.57.0 and output ${boost_CPPFLAGS/LDFLAGS}.
#------------------------------------------------------------------------------
AS_CASE([${CC}], [*],
[AX_BOOST_BASE([1.57.0],
[AC_SUBST([boost_CPPFLAGS], [${BOOST_CPPFLAGS}])
AC_SUBST([boost_LDFLAGS], [${BOOST_LDFLAGS}])
AC_MSG_NOTICE([boost_CPPFLAGS : ${boost_CPPFLAGS}])
AC_MSG_NOTICE([boost_LDFLAGS : ${boost_LDFLAGS}])],
[AC_MSG_ERROR([Boost 1.57.0 or later is required but was not found.])])])
AS_CASE([${with_tests}], [yes],
[AX_BOOST_UNIT_TEST_FRAMEWORK
AC_SUBST([boost_unit_test_framework_LIBS], [${BOOST_UNIT_TEST_FRAMEWORK_LIB}])
AC_MSG_NOTICE([boost_unit_test_framework_LIBS : ${boost_unit_test_framework_LIBS}])],
[AC_SUBST([boost_unit_test_framework_LIBS], [])])
# Require bash-completion of at least version 2.0.0 and output ${bash_completion_CPPFLAGS/LIBS/PKG}.
#------------------------------------------------------------------------------
AS_CASE([${bash_completiondir}], [yes],
[PKG_CHECK_MODULES([bash_completion], [bash-completion >= 2.0.0],
[bash_completiondir="`pkg-config --variable=completionsdir bash-completion`"],
[bash_completiondir="${datadir}/bash-completion/completions"])
AC_SUBST([bash_completion_PKG], ['bash-completion >= 2.0.0'])
AC_SUBST([bash_completion_CPPFLAGS], [${bash_completion_CFLAGS}])
AC_MSG_NOTICE([bash_completion_CPPFLAGS : ${bash_completion_CPPFLAGS}])
AC_MSG_NOTICE([bash_completion_LIBS : ${bash_completion_LIBS}])],
[AC_SUBST([bash_completion_PKG], [])])
# Require bitcoin-client of at least version 4.0.0 and output ${bitcoin_client_CPPFLAGS/LIBS/PKG}.
#------------------------------------------------------------------------------
PKG_CHECK_MODULES([bitcoin_client], [libbitcoin-client >= 4.0.0])
AC_SUBST([bitcoin_client_PKG], ['libbitcoin-client >= 4.0.0'])
AC_SUBST([bitcoin_client_CPPFLAGS], [${bitcoin_client_CFLAGS}])
AC_MSG_NOTICE([bitcoin_client_CPPFLAGS : ${bitcoin_client_CPPFLAGS}])
AC_MSG_NOTICE([bitcoin_client_LIBS : ${bitcoin_client_LIBS}])
# Require bitcoin-network of at least version 4.0.0 and output ${bitcoin_network_CPPFLAGS/LIBS/PKG}.
#------------------------------------------------------------------------------
PKG_CHECK_MODULES([bitcoin_network], [libbitcoin-network >= 4.0.0])
AC_SUBST([bitcoin_network_PKG], ['libbitcoin-network >= 4.0.0'])
AC_SUBST([bitcoin_network_CPPFLAGS], [${bitcoin_network_CFLAGS}])
AC_MSG_NOTICE([bitcoin_network_CPPFLAGS : ${bitcoin_network_CPPFLAGS}])
AC_MSG_NOTICE([bitcoin_network_LIBS : ${bitcoin_network_LIBS}])
# Require dl if on linux and output ${dl_LIBS}.
#------------------------------------------------------------------------------
AS_CASE([${host_os}],
[*linux*],
[AC_CHECK_LIB([dl], [dlopen],
[AC_SUBST([dl_LIBS], [-ldl])],
[AC_MSG_ERROR([dl library is required but was not found.])])],
[AC_SUBST([dl_LIBS], [])])
AC_MSG_NOTICE([dl_LIBS : ${dl_LIBS}])
# Set flags.
#==============================================================================
# Require c++11 for all c++ products.
#------------------------------------------------------------------------------
AS_CASE([${CC}], [*],
[AX_CHECK_COMPILE_FLAG([-std=c++11],
[CXXFLAGS="$CXXFLAGS -std=c++11"])])
# Warn on all stuff.
#------------------------------------------------------------------------------
AS_CASE([${CC}], [*],
[AX_CHECK_COMPILE_FLAG([-Wall],
[CFLAGS="$CFLAGS -Wall"])])
# Warn on extra stuff.
#------------------------------------------------------------------------------
AS_CASE([${CC}], [*],
[AX_CHECK_COMPILE_FLAG([-Wextra],
[CFLAGS="$CFLAGS -Wextra"])])
# Be really annoying.
#------------------------------------------------------------------------------
AS_CASE([${CC}], [*],
[AX_CHECK_COMPILE_FLAG([-Wpedantic],
[CFLAGS="$CFLAGS -Wpedantic"],
[AX_CHECK_COMPILE_FLAG([-pedantic],
[CFLAGS="$CFLAGS -pedantic"])])])
# Conform to style.
#------------------------------------------------------------------------------
AS_CASE([${CC}], [*],
[AX_CHECK_COMPILE_FLAG([-Wno-missing-braces],
[CXXFLAGS="$CXXFLAGS -Wno-missing-braces"])])
# Conflict in stdlib under clang. Enabled in clang only.
#------------------------------------------------------------------------------
AS_CASE([${CC}], [*clang*],
[AX_CHECK_COMPILE_FLAG([-Wno-mismatched-tags],
[CXXFLAGS="$CXXFLAGS -Wno-mismatched-tags"])])
# Clean up boost 1.55 headers. Enabled in gcc only.
#------------------------------------------------------------------------------
AS_CASE([${CC}], [*gcc*],
[AX_CHECK_COMPILE_FLAG([-Wno-deprecated-declarations],
[CXXFLAGS="$CXXFLAGS -Wno-deprecated-declarations"])])
# Clean up bx generated code.
#------------------------------------------------------------------------------
AS_CASE([${CC}], [*],
[AX_CHECK_COMPILE_FLAG([-Wno-unused-parameter],
[CXXFLAGS="$CXXFLAGS -Wno-unused-parameter"])])
# Protect stack.
#------------------------------------------------------------------------------
AS_CASE([${CC}], [*],
[AX_CHECK_LINK_FLAG([-fstack-protector],
[LDFLAGS="$LDFLAGS -fstack-protector"])])
# Protect stack comprehensively.
#------------------------------------------------------------------------------
AS_CASE([${CC}], [*],
[AX_CHECK_LINK_FLAG([-fstack-protector-all],
[LDFLAGS="$LDFLAGS -fstack-protector-all"])])
# Hide internal functions from external libs. Enabled in gcc only.
#------------------------------------------------------------------------------
AS_CASE([${CC}], [*gcc*],
[AX_CHECK_COMPILE_FLAG([-fvisibility-hidden],
[CXXFLAGS="$CXXFLAGS -fvisibility-hidden"])])
# Hide inlines from external libs. Enabled in gcc only.
#------------------------------------------------------------------------------
AS_CASE([${CC}], [*gcc*],
[AX_CHECK_COMPILE_FLAG([-fvisibility-inlines-hidden],
[CXXFLAGS="$CXXFLAGS -fvisibility-inlines-hidden"])])
# Process outputs into templates.
#==============================================================================
AC_CONFIG_FILES([Makefile libbitcoin-explorer.pc])
AC_OUTPUT