kopia lustrzana https://gitlab.com/sane-project/backends
778 wiersze
21 KiB
Plaintext
778 wiersze
21 KiB
Plaintext
dnl
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dnl Contains the following macros
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dnl SANE_SET_AM_CFLAGS(is_release)
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dnl SANE_CHECK_MISSING_HEADERS
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dnl SANE_SET_AM_LDFLAGS
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dnl SANE_CHECK_DLL_LIB
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dnl SANE_EXTRACT_LDFLAGS(LIBS, LDFLAGS)
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dnl SANE_CHECK_JPEG
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dnl SANE_CHECK_IEEE1284
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dnl SANE_CHECK_PTHREAD
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dnl SANE_CHECK_LOCKING
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dnl JAPHAR_GREP_AM_CFLAGS(flag, cmd_if_missing, cmd_if_present)
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dnl SANE_CHECK_U_TYPES
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dnl SANE_CHECK_GPHOTO2
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dnl SANE_CHECK_IPV6
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dnl SANE_CHECK_BACKENDS
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dnl SANE_PROTOTYPES
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dnl AC_PROG_LIBTOOL
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dnl
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# SANE_SET_AM_CFLAGS(is_release)
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# Set default AM_CFLAGS if gcc is used. Enable/disable additional
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# compilation warnings. The extra warnings are enabled by default
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# during the development cycle but disabled for official releases.
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# The argument is_release is either yes or no.
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AC_DEFUN([SANE_SET_AM_CFLAGS],
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[
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if test "${ac_cv_c_compiler_gnu}" = "yes"; then
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DEFAULT_WARNINGS="\
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-Wall"
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EXTRA_WARNINGS="\
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-Wextra \
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-pedantic"
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for flag in $DEFAULT_WARNINGS; do
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JAPHAR_GREP_AM_CFLAGS($flag, [ AM_CFLAGS="$AM_CFLAGS $flag" ])
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JAPHAR_GREP_AM_CXXFLAGS($flag, [ AM_CXXFLAGS="$AM_CXXFLAGS $flag" ])
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done
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AC_ARG_ENABLE(warnings,
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AS_HELP_STRING([--enable-warnings],
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[turn on tons of compiler warnings (GCC only)]),
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[
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if eval "test x$enable_warnings = xyes"; then
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for flag in $EXTRA_WARNINGS; do
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JAPHAR_GREP_AM_CFLAGS($flag, [ AM_CFLAGS="$AM_CFLAGS $flag" ])
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JAPHAR_GREP_AM_CXXFLAGS($flag, [ AM_CXXFLAGS="$AM_CXXFLAGS $flag" ])
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done
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fi
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],
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[if test x$1 = xno; then
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# Warnings enabled by default (development)
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for flag in $EXTRA_WARNINGS; do
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JAPHAR_GREP_AM_CFLAGS($flag, [ AM_CFLAGS="$AM_CFLAGS $flag" ])
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JAPHAR_GREP_AM_CXXFLAGS($flag, [ AM_CXXFLAGS="$AM_CXXFLAGS $flag" ])
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done
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fi])
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fi # ac_cv_c_compiler_gnu
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])
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dnl SANE_CHECK_MISSING_HEADERS
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dnl Do some sanity checks. It doesn't make sense to proceed if those headers
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dnl aren't present.
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AC_DEFUN([SANE_CHECK_MISSING_HEADERS],
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[
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MISSING_HEADERS=
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if test "${ac_cv_header_fcntl_h}" != "yes" ; then
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MISSING_HEADERS="${MISSING_HEADERS}\"fcntl.h\" "
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fi
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if test "${ac_cv_header_sys_time_h}" != "yes" ; then
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MISSING_HEADERS="${MISSING_HEADERS}\"sys/time.h\" "
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fi
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if test "${ac_cv_header_unistd_h}" != "yes" ; then
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MISSING_HEADERS="${MISSING_HEADERS}\"unistd.h\" "
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fi
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if test "${MISSING_HEADERS}" != "" ; then
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echo "*** The following essential header files couldn't be found:"
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echo "*** ${MISSING_HEADERS}"
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echo "*** Maybe the compiler isn't ANSI C compliant or not properly installed?"
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echo "*** For details on what went wrong see config.log."
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AC_MSG_ERROR([Exiting now.])
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fi
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])
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# SANE_SET_AM_LDFLAGS
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# Add special AM_LDFLAGS
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AC_DEFUN([SANE_SET_AM_LDFLAGS],
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[
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# Define stricter linking policy on GNU systems. This is not
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# added to global LDFLAGS because we may want to create convenience
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# libraries that don't require such strick linking.
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if test "$GCC" = yes; then
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case ${host_os} in
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linux* | solaris*)
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STRICT_LDFLAGS="-Wl,-z,defs"
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;;
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esac
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fi
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AC_SUBST(STRICT_LDFLAGS)
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case "${host_os}" in
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aix*) #enable .so libraries, disable archives
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AM_LDFLAGS="$AM_LDFLAGS -Wl,-brtl"
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;;
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darwin*) #include frameworks
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LIBS="$LIBS -framework CoreFoundation -framework IOKit"
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;;
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esac
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])
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# SANE_CHECK_DLL_LIB
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# Find dll library
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AC_DEFUN([SANE_CHECK_DLL_LIB],
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[
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dnl Checks for dll libraries: dl
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DL_LIBS=""
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if test "${enable_dynamic}" = "auto"; then
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# default to disabled unless library found.
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enable_dynamic=no
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# dlopen
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AC_CHECK_HEADERS(dlfcn.h,
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[AC_CHECK_LIB(dl, dlopen, DL_LIBS=-ldl)
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saved_LIBS="${LIBS}"
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LIBS="${LIBS} ${DL_LIBS}"
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AC_CHECK_FUNCS(dlopen, enable_dynamic=yes,)
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LIBS="${saved_LIBS}"
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],)
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# HP/UX DLL handling
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AC_CHECK_HEADERS(dl.h,
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[AC_CHECK_LIB(dld,shl_load, DL_LIBS=-ldld)
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saved_LIBS="${LIBS}"
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LIBS="${LIBS} ${DL_LIBS}"
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AC_CHECK_FUNCS(shl_load, enable_dynamic=yes,)
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LIBS="${saved_LIBS}"
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],)
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if test -z "$DL_LIBS" ; then
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# old Mac OS X/Darwin (without dlopen)
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AC_CHECK_HEADERS(mach-o/dyld.h,
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[AC_CHECK_FUNCS(NSLinkModule, enable_dynamic=yes,)
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],)
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fi
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fi
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AC_SUBST(DL_LIBS)
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DYNAMIC_FLAG=
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if test "${enable_dynamic}" = yes ; then
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DYNAMIC_FLAG=-module
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fi
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AC_SUBST(DYNAMIC_FLAG)
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])
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#
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# Separate LIBS from LDFLAGS to link correctly on HP/UX (and other
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# platforms who care about the order of params to ld. It removes all
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# non '-l..'-params from passed in $1(LIBS), and appends them to $2(LDFLAGS).
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#
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# Use like this: SANE_EXTRACT_LDFLAGS(PKGNAME_LIBS, PKGNAME_LDFLAGS)
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AC_DEFUN([SANE_EXTRACT_LDFLAGS],
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[
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tmp_LIBS=""
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for param in ${$1}; do
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case "${param}" in
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-l*)
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tmp_LIBS="${tmp_LIBS} ${param}"
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;;
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*)
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$2="${$2} ${param}"
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;;
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esac
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done
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$1="${tmp_LIBS}"
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unset tmp_LIBS
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unset param
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])
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#
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#
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# Checks for ieee1284 library, needed for canon_pp backend.
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AC_DEFUN([SANE_CHECK_IEEE1284],
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[
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AC_CHECK_HEADER(ieee1284.h, [
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AC_CACHE_CHECK([for libieee1284 >= 0.1.5], sane_cv_use_libieee1284, [
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <ieee1284.h>]], [[
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struct parport p; char *buf;
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ieee1284_nibble_read(&p, 0, buf, 1);
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]])],
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[sane_cv_use_libieee1284="yes"; IEEE1284_LIBS="-lieee1284"
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],[sane_cv_use_libieee1284="no"])
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],)
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],)
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if test "$sane_cv_use_libieee1284" = "yes" ; then
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AC_DEFINE(HAVE_LIBIEEE1284,1,[Define to 1 if you have the `ieee1284' library (-lcam).])
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fi
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AC_SUBST(IEEE1284_LIBS)
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])
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#
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# Checks for pthread support
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AC_DEFUN([SANE_CHECK_PTHREAD],
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[
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case "${host_os}" in
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linux* | darwin* | mingw*) # enabled by default on Linux, MacOS X and MINGW
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use_pthread=yes
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;;
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*)
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use_pthread=no
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esac
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have_pthread=no
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#
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# now that we have the systems preferences, we check
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# the user
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AC_ARG_ENABLE([pthread],
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AS_HELP_STRING([--enable-pthread],
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[use pthread instead of fork (default=yes for Linux/MacOS X/MINGW, no for everything else)]),
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[
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if test $enableval = yes ; then
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use_pthread=yes
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else
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use_pthread=no
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fi
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])
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if test $use_pthread = yes ; then
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AC_CHECK_HEADERS(pthread.h,
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[
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AC_CHECK_LIB(pthread, pthread_create, PTHREAD_LIBS="-lpthread")
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have_pthread=yes
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save_LIBS="$LIBS"
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LIBS="$LIBS $PTHREAD_LIBS"
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AC_CHECK_FUNCS([pthread_create pthread_kill pthread_join pthread_detach pthread_cancel pthread_testcancel],
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,[ have_pthread=no; use_pthread=no ])
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LIBS="$save_LIBS"
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],[ have_pthread=no; use_pthread=no ])
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fi
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# Based on a similar test for pthread_key_t from the Python project.
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# See https://bugs.python.org/review/25658/patch/19209/75870
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AC_MSG_CHECKING(whether pthread_t is integer)
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[#include <pthread.h>]], [[pthread_t k; k * 1;]])],
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[ac_pthread_t_is_integer=yes],
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[ac_pthread_t_is_integer=no]
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)
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AC_MSG_RESULT($ac_pthread_t_is_integer)
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if test "$ac_pthread_t_is_integer" = yes ; then
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AC_DEFINE(PTHREAD_T_IS_INTEGER, 1,
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[Define if pthread_t is integer.])
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else
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case "$host_os" in
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darwin*)
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# Always use pthreads on macOS
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use_pthread=yes
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;;
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*)
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# Until the sanei_thread implementation is fixed.
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use_pthread=no
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;;
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esac
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fi
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if test "$have_pthread" = "yes" ; then
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AM_CPPFLAGS="${AM_CPPFLAGS} -D_REENTRANT"
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fi
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AC_SUBST(PTHREAD_LIBS)
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if test $use_pthread = yes ; then
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AC_DEFINE_UNQUOTED(USE_PTHREAD, "$use_pthread",
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[Define if pthreads should be used instead of forked processes.])
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SANEI_THREAD_LIBS=$PTHREAD_LIBS
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else
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SANEI_THREAD_LIBS=""
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fi
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AC_SUBST(SANEI_THREAD_LIBS)
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AC_MSG_CHECKING([whether to enable pthread support])
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AC_MSG_RESULT([$have_pthread])
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AC_MSG_CHECKING([whether to use pthread instead of fork])
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AC_MSG_RESULT([$use_pthread])
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])
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#
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# Checks for jpeg library >= v6B (61), needed for DC210, DC240,
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# GPHOTO2 and dell1600n_net backends.
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AC_DEFUN([SANE_CHECK_JPEG],
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[
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AC_CHECK_LIB(jpeg,jpeg_start_decompress,
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[
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AC_CHECK_HEADER(jconfig.h,
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[
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AC_MSG_CHECKING([for jpeglib - version >= 61 (6a)])
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AC_EGREP_CPP(sane_correct_jpeg_lib_version_found,
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[
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#include <jpeglib.h>
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#if JPEG_LIB_VERSION >= 61
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sane_correct_jpeg_lib_version_found
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#endif
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], [sane_cv_use_libjpeg="yes"; JPEG_LIBS="-ljpeg";
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AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)])
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],)
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],)
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if test "$sane_cv_use_libjpeg" = "yes" ; then
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AC_DEFINE(HAVE_LIBJPEG,1,[Define to 1 if you have the libjpeg library.])
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fi
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AC_SUBST(JPEG_LIBS)
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])
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# Checks for tiff library dell1600n_net backend.
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AC_DEFUN([SANE_CHECK_TIFF],
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[
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AC_CHECK_LIB(tiff,TIFFFdOpen,
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[
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AC_CHECK_HEADER(tiffio.h,
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[sane_cv_use_libtiff="yes"; TIFF_LIBS="-ltiff"],)
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],)
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AC_SUBST(TIFF_LIBS)
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])
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AC_DEFUN([SANE_CHECK_PNG],
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[
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AC_CHECK_LIB(png,png_init_io,
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[
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AC_CHECK_HEADER(png.h,
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[sane_cv_use_libpng="yes"; PNG_LIBS="-lpng"],)
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],)
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if test "$sane_cv_use_libpng" = "yes" ; then
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AC_DEFINE(HAVE_LIBPNG,1,[Define to 1 if you have the libpng library.])
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fi
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AC_SUBST(PNG_LIBS)
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])
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#
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# Checks for device locking support
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AC_DEFUN([SANE_CHECK_LOCKING],
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[
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use_locking=yes
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case "${host_os}" in
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os2* )
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use_locking=no
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;;
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esac
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#
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# we check the user
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AC_ARG_ENABLE( [locking],
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AS_HELP_STRING([--enable-locking],
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[activate device locking (default=yes, but only used by some backends)]),
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[
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if test $enableval = yes ; then
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use_locking=yes
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else
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use_locking=no
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fi
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])
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if test $use_locking = yes ; then
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INSTALL_LOCKPATH=install-lockpath
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AC_DEFINE([ENABLE_LOCKING], 1,
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[Define to 1 if device locking should be enabled.])
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else
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INSTALL_LOCKPATH=
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fi
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AC_MSG_CHECKING([whether to enable device locking])
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AC_MSG_RESULT([$use_locking])
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AC_SUBST(INSTALL_LOCKPATH)
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])
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dnl
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dnl JAPHAR_GREP_AM_CFLAGS(flag, cmd_if_missing, cmd_if_present)
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dnl
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dnl From Japhar. Report changes to japhar@hungry.com
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dnl
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AC_DEFUN([JAPHAR_GREP_AM_CFLAGS],
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[case "$AM_CFLAGS" in
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"$1" | "$1 "* | *" $1" | *" $1 "* )
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ifelse($#, 3, [$3], [:])
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;;
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*)
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$2
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;;
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esac
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])
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dnl
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dnl JAPHAR_GREP_AM_CXXFLAGS(flag, cmd_if_missing, cmd_if_present)
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dnl
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AC_DEFUN([JAPHAR_GREP_AM_CXXFLAGS],
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[case "$AM_CXXFLAGS" in
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"$1" | "$1 "* | *" $1" | *" $1 "* )
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ifelse($#, 3, [$3], [:])
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;;
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*)
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$2
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;;
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esac
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])
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dnl
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dnl SANE_CHECK_U_TYPES
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dnl
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AC_DEFUN([SANE_CHECK_U_TYPES],
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[
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dnl Use new style of check types that doesn't take default to use.
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dnl The old style would add an #undef of the type check on platforms
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dnl that defined that type... That is not portable to platform that
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dnl define it as a #define.
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AC_CHECK_TYPES([u_char, u_short, u_int, u_long],,,)
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])
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#
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# Checks for gphoto2 libs, needed by gphoto2 backend
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AC_DEFUN([SANE_CHECK_GPHOTO2],
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[
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AC_ARG_WITH(gphoto2,
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AS_HELP_STRING([--with-gphoto2],
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[include the gphoto2 backend @<:@default=yes@:>@]),
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[# If --with-gphoto2=no or --without-gphoto2, disable backend
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# as "$with_gphoto2" will be set to "no"])
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# If --with-gphoto2=yes (or not supplied), first check if
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# pkg-config exists, then use it to check if libgphoto2 is
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# present. If all that works, then see if we can actually link
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# a program. And, if that works, then add the -l flags to
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# GPHOTO2_LIBS and any other flags to GPHOTO2_LDFLAGS to pass to
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# sane-config.
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if test "$with_gphoto2" != "no" ; then
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AC_CHECK_TOOL(HAVE_GPHOTO2, pkg-config, false)
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if test ${HAVE_GPHOTO2} != "false" ; then
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if pkg-config --exists libgphoto2 ; then
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with_gphoto2="`pkg-config --modversion libgphoto2`"
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GPHOTO2_CPPFLAGS="`pkg-config --cflags libgphoto2`"
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GPHOTO2_LIBS="`pkg-config --libs libgphoto2`"
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saved_CPPFLAGS="${CPPFLAGS}"
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CPPFLAGS="${GPHOTO2_CPPFLAGS}"
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saved_LIBS="${LIBS}"
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LIBS="${LIBS} ${GPHOTO2_LIBS}"
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# Make sure we an really use the library
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AC_CHECK_FUNCS(gp_camera_init, HAVE_GPHOTO2=true, HAVE_GPHOTO2=false)
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if test "${HAVE_GPHOTO2}" = "true"; then
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AC_CHECK_FUNCS(gp_port_info_get_path)
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fi
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CPPFLAGS="${saved_CPPFLAGS}"
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LIBS="${saved_LIBS}"
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else
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HAVE_GPHOTO2=false
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fi
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if test "${HAVE_GPHOTO2}" = "false"; then
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GPHOTO2_CPPFLAGS=""
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GPHOTO2_LIBS=""
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else
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SANE_EXTRACT_LDFLAGS(GPHOTO2_LIBS, GPHOTO2_LDFLAGS)
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if pkg-config --atleast-version=2.5.0 libgphoto2; then
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AC_DEFINE([GPLOGFUNC_NO_VARGS], [1],
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[Define if GPLogFunc does not take a va_list.])
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fi
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fi
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fi
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fi
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AC_SUBST(GPHOTO2_CPPFLAGS)
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AC_SUBST(GPHOTO2_LIBS)
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AC_SUBST(GPHOTO2_LDFLAGS)
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])
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#
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# Check for AF_INET6, determines whether or not to enable IPv6 support
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# Check for ss_family member in struct sockaddr_storage
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AC_DEFUN([SANE_CHECK_IPV6],
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[
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AC_MSG_CHECKING([whether to enable IPv6])
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AC_ARG_ENABLE(ipv6,
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AS_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
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[ if test "$enableval" = "no" ; then
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AC_MSG_RESULT([no, manually disabled])
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ipv6=no
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fi
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])
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if test "$ipv6" != "no" ; then
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
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|
#define INET6
|
|
#include <stdlib.h>
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h> ]], [[
|
|
/* AF_INET6 available check */
|
|
if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
|
|
exit(1);
|
|
else
|
|
exit(0);
|
|
]])],[
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE([ENABLE_IPV6], 1, [Define to 1 if the system supports IPv6])
|
|
ipv6=yes
|
|
],[
|
|
AC_MSG_RESULT([no (couldn't compile test program)])
|
|
ipv6=no
|
|
])
|
|
fi
|
|
|
|
if test "$ipv6" != "no" ; then
|
|
AC_MSG_CHECKING([whether struct sockaddr_storage has an ss_family member])
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#define INET6
|
|
#include <stdlib.h>
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h> ]], [[
|
|
/* test if the ss_family member exists in struct sockaddr_storage */
|
|
struct sockaddr_storage ss;
|
|
ss.ss_family = AF_INET;
|
|
exit (0);
|
|
]])], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE([HAS_SS_FAMILY], 1, [Define to 1 if struct sockaddr_storage has an ss_family member])
|
|
], [
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
|
|
#define INET6
|
|
#include <stdlib.h>
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h> ]], [[
|
|
/* test if the __ss_family member exists in struct sockaddr_storage */
|
|
struct sockaddr_storage ss;
|
|
ss.__ss_family = AF_INET;
|
|
exit (0);
|
|
]])], [
|
|
AC_MSG_RESULT([no, but __ss_family exists])
|
|
AC_DEFINE([HAS___SS_FAMILY], 1, [Define to 1 if struct sockaddr_storage has __ss_family instead of ss_family])
|
|
], [
|
|
AC_MSG_RESULT([no])
|
|
ipv6=no
|
|
])
|
|
])
|
|
fi
|
|
])
|
|
|
|
#
|
|
# Verifies that values in $BACKENDS and updates FILTERED_BACKEND
|
|
# with either backends that can be compiled or fails the script.
|
|
AC_DEFUN([SANE_CHECK_BACKENDS],
|
|
[
|
|
if test "${user_selected_backends}" = "yes"; then
|
|
DISABLE_MSG="aborting"
|
|
else
|
|
DISABLE_MSG="disabling"
|
|
fi
|
|
|
|
FILTERED_BACKENDS=""
|
|
for be in ${BACKENDS}; do
|
|
backend_supported="yes"
|
|
case $be in
|
|
plustek_pp)
|
|
case "$host_os" in
|
|
gnu*)
|
|
echo "*** $be backend not supported on GNU/Hurd - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
;;
|
|
esac
|
|
;;
|
|
|
|
dc210|dc240|pixma)
|
|
if test "${sane_cv_use_libjpeg}" != "yes"; then
|
|
echo "*** $be backend requires JPEG library - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
fi
|
|
;;
|
|
|
|
canon_pp|hpsj5s)
|
|
if test "${sane_cv_use_libieee1284}" != "yes"; then
|
|
echo "*** $be backend requires libieee1284 library - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
fi
|
|
;;
|
|
|
|
genesys)
|
|
if test "${HAVE_CXX11}" != "1"; then
|
|
echo "*** $be backend requires C++11 support - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
fi
|
|
;;
|
|
|
|
mustek_pp)
|
|
if test "${sane_cv_use_libieee1284}" != "yes" && test "${enable_parport_directio}" != "yes"; then
|
|
echo "*** $be backend requires libieee1284 or parport-directio libraries - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
fi
|
|
;;
|
|
|
|
dell1600n_net)
|
|
if test "${sane_cv_use_libjpeg}" != "yes" || test "${sane_cv_use_libtiff}" != "yes"; then
|
|
echo "*** $be backend requires JPEG and TIFF library - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
fi
|
|
;;
|
|
|
|
epsonds)
|
|
if test "${sane_cv_use_libjpeg}" != "yes"; then
|
|
echo "*** $be backend requires JPEG library - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
fi
|
|
;;
|
|
|
|
escl)
|
|
if test "x${with_avahi}" != "xyes"; then
|
|
echo "*** $be backend requires AVAHI library - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
fi
|
|
if test "x${with_libcurl}" != "xyes"; then
|
|
echo "*** $be backend requires cURL library - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
fi
|
|
if test "x${have_libxml}" != "xyes"; then
|
|
echo "*** $be backend requires XML library - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
fi
|
|
# FIXME: Remove when PNG and/or PDF support have been added.
|
|
if test "x${sane_cv_use_libjpeg}" != "xyes"; then
|
|
echo "*** $be backend currently requires JPEG library - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
else
|
|
if test "x${ac_cv_func_jpeg_crop_scanline}" != "xyes" \
|
|
|| test "x${ac_cv_func_jpeg_skip_scanlines}" != "xyes"; then
|
|
echo "*** $be backend requires a newer JPEG library - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
fi
|
|
fi
|
|
|
|
;;
|
|
|
|
gphoto2)
|
|
if test "${HAVE_GPHOTO2}" != "true" \
|
|
|| test "${sane_cv_use_libjpeg}" != "yes"; then
|
|
echo "*** $be backend requires gphoto2 and JPEG libraries - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
fi
|
|
;;
|
|
|
|
pint)
|
|
if test "${ac_cv_header_sys_scanio_h}" = "no"; then
|
|
echo "*** $be backend requires sys/scanio.h - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
fi
|
|
;;
|
|
|
|
qcam)
|
|
if ( test "${ac_cv_func_ioperm}" = "no" || test "${sane_cv_have_sys_io_h_with_inb_outb}" = "no" )\
|
|
&& test "${ac_cv_func__portaccess}" = "no"; then
|
|
echo "*** $be backend requires (ioperm, inb and outb) or portaccess functions - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
fi
|
|
;;
|
|
|
|
v4l)
|
|
if test "${have_linux_ioctl_defines}" != "yes" \
|
|
|| test "${have_libv4l1}" != "yes"; then
|
|
echo "*** $be backend requires v4l libraries - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
fi
|
|
;;
|
|
|
|
net)
|
|
if test "${ac_cv_header_sys_socket_h}" = "no"; then
|
|
echo "*** $be backend requires sys/socket.h - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
fi
|
|
;;
|
|
|
|
mustek_usb2|kvs40xx)
|
|
if test "${have_pthread}" != "yes"; then
|
|
echo "*** $be backend requires pthread library - $DISABLE_MSG"
|
|
backend_supported="no"
|
|
fi
|
|
;;
|
|
esac
|
|
if test "${backend_supported}" = "no"; then
|
|
if test "${user_selected_backends}" = "yes"; then
|
|
exit 1
|
|
fi
|
|
else
|
|
FILTERED_BACKENDS="${FILTERED_BACKENDS} $be"
|
|
fi
|
|
done
|
|
])
|
|
|
|
#
|
|
# Generate prototypes for functions not available on the system
|
|
AC_DEFUN([SANE_PROTOTYPES],
|
|
[
|
|
AH_BOTTOM([
|
|
|
|
#if defined(__MINGW32__)
|
|
#define _BSDTYPES_DEFINED
|
|
#endif
|
|
|
|
#ifndef HAVE_U_CHAR
|
|
#define u_char unsigned char
|
|
#endif
|
|
#ifndef HAVE_U_SHORT
|
|
#define u_short unsigned short
|
|
#endif
|
|
#ifndef HAVE_U_INT
|
|
#define u_int unsigned int
|
|
#endif
|
|
#ifndef HAVE_U_LONG
|
|
#define u_long unsigned long
|
|
#endif
|
|
|
|
/* Prototype for getenv */
|
|
#ifndef HAVE_GETENV
|
|
#define getenv sanei_getenv
|
|
char * getenv(const char *name);
|
|
#endif
|
|
|
|
/* Prototype for inet_ntop */
|
|
#ifndef HAVE_INET_NTOP
|
|
#define inet_ntop sanei_inet_ntop
|
|
#include <sys/types.h>
|
|
const char * inet_ntop (int af, const void *src, char *dst, size_t cnt);
|
|
#endif
|
|
|
|
/* Prototype for inet_pton */
|
|
#ifndef HAVE_INET_PTON
|
|
#define inet_pton sanei_inet_pton
|
|
int inet_pton (int af, const char *src, void *dst);
|
|
#endif
|
|
|
|
/* Prototype for sigprocmask */
|
|
#ifndef HAVE_SIGPROCMASK
|
|
#define sigprocmask sanei_sigprocmask
|
|
int sigprocmask (int how, int *new, int *old);
|
|
#endif
|
|
|
|
/* Prototype for snprintf */
|
|
#ifndef HAVE_SNPRINTF
|
|
#define snprintf sanei_snprintf
|
|
#include <sys/types.h>
|
|
int snprintf (char *str,size_t count,const char *fmt,...);
|
|
#endif
|
|
|
|
/* Prototype for strcasestr */
|
|
#ifndef HAVE_STRCASESTR
|
|
#define strcasestr sanei_strcasestr
|
|
char * strcasestr (const char *phaystack, const char *pneedle);
|
|
#endif
|
|
|
|
/* Prototype for strdup */
|
|
#ifndef HAVE_STRDUP
|
|
#define strdup sanei_strdup
|
|
char *strdup (const char * s);
|
|
#endif
|
|
|
|
/* Prototype for strndup */
|
|
#ifndef HAVE_STRNDUP
|
|
#define strndup sanei_strndup
|
|
#include <sys/types.h>
|
|
char *strndup(const char * s, size_t n);
|
|
#endif
|
|
|
|
/* Prototype for strsep */
|
|
#ifndef HAVE_STRSEP
|
|
#define strsep sanei_strsep
|
|
char *strsep(char **stringp, const char *delim);
|
|
#endif
|
|
|
|
/* Prototype for usleep */
|
|
#ifndef HAVE_USLEEP
|
|
#define usleep sanei_usleep
|
|
unsigned int usleep (unsigned int useconds);
|
|
#endif
|
|
|
|
/* Prototype for vsyslog */
|
|
#ifndef HAVE_VSYSLOG
|
|
#include <stdarg.h>
|
|
void vsyslog(int priority, const char *format, va_list args);
|
|
#endif
|
|
])
|
|
])
|
|
|
|
m4_include([m4/byteorder.m4])
|