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- 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="$LIBS -lm"])
- # The following test is taken from WebKit's webkit.m4
- saved_CFLAGS="$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 -Wsign-compare"
- AC_TRY_COMPILE([],[],
- AC_MSG_RESULT(yes),
- AC_MSG_RESULT(no)
- CFLAGS="$old_CFLAGS")
- dnl Generate the output
- AM_CONFIG_HEADER(config.h)
- AC_OUTPUT(
- librtlsdr.pc
- include/Makefile
- src/Makefile
- Makefile
- Doxyfile
- )
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