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220222_final/GW/rtl-sdr/configure.ac
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version finale st...
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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
AM_PROG_CC_C_O
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"])
AC_ARG_ENABLE(sanitize,
[AS_HELP_STRING([--enable-sanitize], [Compile with address sanitizer enabled], )],
[sanitize=$enableval], [sanitize="no"])
if test x"$sanitize" = x"yes"
then
CFLAGS="$CFLAGS -fsanitize=address -fsanitize=undefined"
CPPFLAGS="$CPPFLAGS -fsanitize=address -fsanitize=undefined"
fi
AC_ARG_ENABLE(werror,
[AS_HELP_STRING(
[--enable-werror],
[Turn all compiler warnings into errors, with exceptions:
a) deprecation (allow upstream to mark deprecation without breaking builds);
b) "#warning" pragmas (allow to remind ourselves of errors without breaking builds)
]
)],
[werror=$enableval], [werror="no"])
if test x"$werror" = x"yes"
then
WERROR_FLAGS="-Werror"
WERROR_FLAGS+=" -Wno-error=deprecated -Wno-error=deprecated-declarations"
WERROR_FLAGS+=" -Wno-error=cpp" # "#warning"
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="$CFLAGS -DDETACH_KERNEL_DRIVER"
fi])
AC_ARG_ENABLE(zerocopy,
[ --enable-zerocopy Enable usbfs zero-copy support (disabled by default)],
[if test x$enableval = xyes; then
CFLAGS="$CFLAGS -DENABLE_ZEROCOPY"
fi])
dnl Generate the output
AC_CONFIG_HEADER(config.h)
AC_OUTPUT(
librtlsdr.pc
include/Makefile
src/Makefile
Makefile
Doxyfile
)
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