AC_INIT([librtlsdr], m4_esyscmd([./git-version-gen .tarball-version]), [osmocom-sdr@lists.osmocom.org]) AM_INIT_AUTOMAKE([dist-bzip2]) dnl kernel style compile messages m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) dnl checks for programs AC_PROG_MAKE_SET AC_PROG_CC AC_PROG_INSTALL LT_INIT AC_PROG_LIBTOOL PKG_CHECK_MODULES(LIBUSB, libusb-1.0 >= 1.0) LIBS="$LIBS $LIBUSB_LIBS" CFLAGS="$CFLAGS $LIBUSB_CFLAGS" AC_PATH_PROG(DOXYGEN,doxygen,false) AM_CONDITIONAL(HAVE_DOXYGEN, test $DOXYGEN != false) AC_CONFIG_MACRO_DIR([m4]) dnl checks for header files AC_HEADER_STDC AC_CHECK_HEADERS(sys/types.h) AC_CHECK_HEADERS(pthread.h,, [AC_MSG_ERROR([pthread.h required])]) # pc variables AC_SUBST(RTLSDR_PC_LIBS,["$LIBS"]) AC_SUBST(RTLSDR_PC_CFLAGS,["$CFLAGS"]) dnl checks for required libraries dnl pthreads AC_CHECK_LIB(pthread, pthread_create, [LIBS="$LIBS -lpthread"]) dnl libmath (for rtl_fm) AC_CHECK_LIB(m, atan2, [LIBS="$LIBS -lm"]) dnl libmath (for rtl_adsb) AC_CHECK_LIB(m, sqrt, [LIBS="$LIBS -lm"]) dnl libmath (for rtl_power) AC_CHECK_LIB(m, atan2, [LIBS="$LIBS -lm"]) dnl librealtime (for rtl_test) AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"]) # The following test is taken from WebKit's webkit.m4 saved_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fvisibility=hidden " AC_MSG_CHECKING([if ${CC} supports -fvisibility=hidden]) AC_COMPILE_IFELSE([AC_LANG_SOURCE([char foo;])], [ AC_MSG_RESULT([yes]) SYMBOL_VISIBILITY="-fvisibility=hidden"], AC_MSG_RESULT([no])) CFLAGS="$saved_CFLAGS" AC_SUBST(SYMBOL_VISIBILITY) AC_MSG_CHECKING(whether compiler understands -Wall) old_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Wall -Wextra -Wno-unused-parameter -Wno-unused -Wsign-compare" AC_TRY_COMPILE([],[], AC_MSG_RESULT(yes), AC_MSG_RESULT(no) CFLAGS="$old_CFLAGS") AC_ARG_ENABLE(driver-detach, [ --enable-driver-detach Enable detaching of kernel driver (disabled by default)], [if test x$enableval = xyes; then CFLAGS="$CFLAGS -DDETACH_KERNEL_DRIVER" fi]) dnl Generate the output AC_CONFIG_HEADER(config.h) AC_OUTPUT( librtlsdr.pc include/Makefile src/Makefile Makefile Doxyfile )