# Copyright (C) 2021 Matthias P. Braendli, http://opendigitalradio.org AC_PREREQ(2.69) AC_INIT([ODR-EDI2EDI], [0.4.0], [matthias.braendli@mpb.li]) AC_CONFIG_AUX_DIR([build-aux]) AC_CONFIG_MACRO_DIR([m4]) AC_CANONICAL_SYSTEM AM_INIT_AUTOMAKE([-Wall foreign subdir-objects]) AC_CONFIG_SRCDIR([src/main.cpp]) AC_CONFIG_HEADER([config.h]) AM_SILENT_RULES([yes]) # Checks for programs. AC_PROG_CXX AC_PROG_CC AM_PROG_CC_C_O AC_PROG_INSTALL AX_CXX_COMPILE_STDCXX(11,noext,mandatory) # Checks for libraries. AX_PTHREAD([], AC_MSG_ERROR([requires pthread])) # Checks for header files. AC_HEADER_STDC AC_CHECK_HEADERS([arpa/inet.h fcntl.h limits.h netdb.h netinet/in.h stddef.h stdint.h stdlib.h string.h sys/ioctl.h sys/socket.h sys/time.h unistd.h]) AC_LANG_PUSH([C++]) AX_CHECK_COMPILE_FLAG([-Wduplicated-cond], [CXXFLAGS="$CXXFLAGS -Wduplicated-cond"], [], ["-Werror"]) AX_CHECK_COMPILE_FLAG([-Wduplicated-branches], [CXXFLAGS="$CXXFLAGS -Wduplicated-branches"], [], ["-Werror"]) AX_CHECK_COMPILE_FLAG([-Wlogical-op], [CXXFLAGS="$CXXFLAGS -Wlogical-op"], [], ["-Werror"]) AX_CHECK_COMPILE_FLAG([-Wrestrict], [CXXFLAGS="$CXXFLAGS -Wrestrict"], [], ["-Werror"]) AX_CHECK_COMPILE_FLAG([-Wdouble-promotion], [CXXFLAGS="$CXXFLAGS -Wdouble-promotion"], [], ["-Werror"]) AX_CHECK_COMPILE_FLAG(["-Wformat=2"], [CXXFLAGS="$CXXFLAGS -Wformat=2"], [], ["-Werror"]) # Linux defines MSG_NOSIGNAL, some other systems have SO_NOSIGPIPE instead AC_MSG_CHECKING(for MSG_NOSIGNAL) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #include int f = MSG_NOSIGNAL; ]])], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Define this symbol if you have MSG_NOSIGNAL]) ], [ AC_MSG_RESULT(no) ]) AC_MSG_CHECKING(for SO_NOSIGPIPE) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #include int f = SO_NOSIGPIPE; ]])], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SO_NOSIGPIPE, 1, [Define this symbol if you have SO_NOSIGPIPE]) ], [ AC_MSG_RESULT(no) ]) AC_LANG_POP([C++]) AM_CONDITIONAL([IS_GIT_REPO], [test -d '.git']) AC_CONFIG_FILES([Makefile]) AC_OUTPUT echo "***********************************************" echo "Configured, please run make" echo