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dnl -*- Autoconf -*-
dnl Process this file with autoconf to produce a configure script.
AC_INIT([ODR-SourceCompanion], [1.2.0], [http://opendigitalradio.org/])
AC_CONFIG_AUX_DIR(.)
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([tar-ustar foreign])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AC_CONFIG_HEADER([config.h])
dnl Checks for programs.
AC_PROG_CC
AC_PROG_CXX
AC_PROG_LIBTOOL
LT_INIT
AX_CXX_COMPILE_STDCXX(17,noext,mandatory)
# std::thread requires pthread
AX_PTHREAD( [
AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
CLIBS="$PTHREAD_LIBS $LIBS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
LDFLAGS="$LDFLAGS $PTHREAD_CFLAGS"
CC="$PTHREAD_CC"], [AC_MSG_ERROR([requires pthread])] )
AC_CHECK_LIB([m], [sin])
AX_CHECK_COMPILE_FLAG([-Wduplicated-cond], [CFLAGS="$CFLAGS -Wduplicated-cond"], [], ["-Werror"])
AX_CHECK_COMPILE_FLAG([-Wduplicated-branches], [CFLAGS="$CFLAGS -Wduplicated-branches"], [], ["-Werror"])
AX_CHECK_COMPILE_FLAG([-Wlogical-op], [CFLAGS="$CFLAGS -Wlogical-op"], [], ["-Werror"])
AX_CHECK_COMPILE_FLAG([-Wrestrict], [CFLAGS="$CFLAGS -Wrestrict"], [], ["-Werror"])
AX_CHECK_COMPILE_FLAG([-Wdouble-promotion], [CFLAGS="$CFLAGS -Wdouble-promotion"], [], ["-Werror"])
AX_CHECK_COMPILE_FLAG(["-Wformat=2"], [CFLAGS="$CFLAGS -Wformat=2"], [], ["-Werror"])
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 <sys/socket.h>
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 <sys/socket.h>
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++])
AC_CHECK_LIB(zmq, zmq_init, , AC_MSG_ERROR(ZeroMQ libzmq is required))
AC_CHECK_LIB(fdk-aac, aacEncOpen, , AC_MSG_ERROR(The FDK-AAC library is required))
# We do not need a DAB+-patched fdk-aac, because upstream fdk-aac can decode properly
AC_CHECK_LIB(curl, curl_easy_init)
have_curl=$ac_cv_lib_curl_curl_easy_init
AS_IF([test "x$have_curl" = "xyes"],
[AC_DEFINE(HAVE_CURL, [1], [Define if cURL is available])])
AS_IF([test "x$have_curl" = "xno"],
[AC_MSG_WARN([cURL not found, timestamps will not work])])
AM_CONDITIONAL([IS_GIT_REPO], [test -d '.git'])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
echo
echo "***********************************************"
echo "ODR-SourceCompanion configured"
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