Add configure.ac.

diff --git a/configure.ac b/configure.ac
new file mode 100644 (file)
index 0000000..d8311b3
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,96 @@
+##
+## This file is part of the libsigrokflow project.
+##
+## Copyright (C) 2018 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## This program is free software: you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program.  If not, see <http://www.gnu.org/licenses/>.
+##
+
+# We require at least autoconf 2.63 (AC_INIT format changed there).
+AC_PREREQ([2.63])
+
+AC_INIT([libsigrokflow], [0.1.0],
+       [sigrok-devel@lists.sourceforge.net],
+       [libsigrokflow], [http://www.sigrok.org])
+AC_CONFIG_MACRO_DIR([m4])
+AC_CONFIG_AUX_DIR([autostuff])
+AC_CONFIG_HEADERS([config.h])
+
+# We require at least automake 1.11 (needed for 'silent rules').
+AM_INIT_AUTOMAKE([1.11 -Wall -Werror no-define nostdinc subdir-objects check-news color-tests])
+AM_SILENT_RULES([yes])
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
+
+AC_CANONICAL_HOST
+
+# Checks for programs.
+AC_PROG_CXX
+AC_PROG_INSTALL
+AC_PROG_LN_S
+
+# Get compiler versions.
+SR_PROG_VERSION([$CXX], [srf_cxx_version])
+
+# Check for optional make features.
+SR_PROG_MAKE_ORDER_ONLY
+
+# Initialize libtool.
+LT_INIT
+
+# Set up the libsigrokflow version defines.
+SR_PKG_VERSION_SET([SRF_PACKAGE_VERSION], [AC_PACKAGE_VERSION])
+
+# Library version for libsigrokflow (NOT the same as the package version).
+# Carefully read the libtool docs before updating these numbers!
+# The algorithm for determining which number to change (and how) is nontrivial!
+# http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
+# Format: current:revision:age.
+SR_LIB_VERSION_SET([SRF_LIB_VERSION], [0:0:0])
+
+# Initialize pkg-config.
+# We require at least 0.22, as "Requires.private" behaviour changed there.
+PKG_PROG_PKG_CONFIG([0.22])
+
+AC_LANG([C++])
+SR_ARG_ENABLE_WARNINGS([SRF_WXXFLAGS], [-Wall], [-Wall -Wextra])
+
+# Check if the C++ compiler supports the C++11 standard.
+AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory])
+
+##############################
+##  Finalize configuration  ##
+##############################
+
+AC_CONFIG_FILES([Makefile libsigrokflow.pc])
+
+AC_OUTPUT
+
+cat >&AS_MESSAGE_FD <<_EOF
+
+libsigrokflow configuration summary:
+ - Package version................. $SRF_PACKAGE_VERSION
+ - Library ABI version............. $SRF_LIB_VERSION
+ - Prefix.......................... $prefix
+ - Building on..................... $build
+ - Building for.................... $host
+ - Building shared / static........ $enable_shared / $enable_static
+
+Compile configuration:
+ - C++ compiler.................... $CXX
+ - C++ compiler version............ $srf_cxx_version
+ - C++ compiler flags.............. $CXXFLAGS
+ - C++ compiler warnings........... $SRF_WXXFLAGS
+ - Linker flags.................... $LDFLAGS
+
+_EOF