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AC_INIT([librtlsdr],
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m4_esyscmd([./git-version-gen .tarball-version]),
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[osmocom-sdr@lists.osmocom.org])
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AM_INIT_AUTOMAKE([dist-bzip2])
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dnl kernel style compile messages
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m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
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dnl checks for programs
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AC_PROG_MAKE_SET
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AC_PROG_CC
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AC_PROG_INSTALL
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AM_PROG_CC_C_O
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LT_INIT
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AC_PROG_LIBTOOL
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PKG_CHECK_MODULES(LIBUSB, libusb-1.0 >= 1.0)
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LIBS="$LIBS $LIBUSB_LIBS"
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CFLAGS="$CFLAGS $LIBUSB_CFLAGS"
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AC_PATH_PROG(DOXYGEN,doxygen,false)
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AM_CONDITIONAL(HAVE_DOXYGEN, test $DOXYGEN != false)
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AC_CONFIG_MACRO_DIR([m4])
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dnl checks for header files
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AC_HEADER_STDC
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AC_CHECK_HEADERS(sys/types.h)
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AC_CHECK_HEADERS(pthread.h,, [AC_MSG_ERROR([pthread.h required])])
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# pc variables
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AC_SUBST(RTLSDR_PC_LIBS,["$LIBS"])
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AC_SUBST(RTLSDR_PC_CFLAGS,["$CFLAGS"])
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dnl checks for required libraries
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dnl pthreads
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AC_CHECK_LIB(pthread, pthread_create, [LIBS="$LIBS -lpthread"])
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dnl libmath (for rtl_fm)
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AC_CHECK_LIB(m, atan2, [LIBS="$LIBS -lm"])
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dnl libmath (for rtl_adsb)
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AC_CHECK_LIB(m, sqrt, [LIBS="$LIBS -lm"])
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dnl libmath (for rtl_power)
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AC_CHECK_LIB(m, atan2, [LIBS="$LIBS -lm"])
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dnl librealtime (for rtl_test)
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AC_CHECK_LIB(rt, clock_gettime, [LIBS="$LIBS -lrt"])
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AC_ARG_ENABLE(sanitize,
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[AS_HELP_STRING([--enable-sanitize], [Compile with address sanitizer enabled], )],
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[sanitize=$enableval], [sanitize="no"])
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if test x"$sanitize" = x"yes"
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then
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CFLAGS="$CFLAGS -fsanitize=address -fsanitize=undefined"
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|
CPPFLAGS="$CPPFLAGS -fsanitize=address -fsanitize=undefined"
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fi
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|
AC_ARG_ENABLE(werror,
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|
[AS_HELP_STRING(
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|
[--enable-werror],
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|
|
[Turn all compiler warnings into errors, with exceptions:
|
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|
|
|
a) deprecation (allow upstream to mark deprecation without breaking builds);
|
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|
|
|
b) "#warning" pragmas (allow to remind ourselves of errors without breaking builds)
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|
]
|
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|
)],
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|
[werror=$enableval], [werror="no"])
|
|
|
|
|
if test x"$werror" = x"yes"
|
|
|
|
|
then
|
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|
|
|
WERROR_FLAGS="-Werror"
|
|
|
|
|
WERROR_FLAGS+=" -Wno-error=deprecated -Wno-error=deprecated-declarations"
|
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|
|
WERROR_FLAGS+=" -Wno-error=cpp" # "#warning"
|
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|
|
CFLAGS="$CFLAGS $WERROR_FLAGS"
|
|
|
|
|
CPPFLAGS="$CPPFLAGS $WERROR_FLAGS"
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# The following test is taken from WebKit's webkit.m4
|
|
|
|
|
saved_CFLAGS="$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 -Wdeclaration-after-statement"
|
|
|
|
|
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
|
|
|
|
|
)
|
