kopia lustrzana https://gitlab.com/sane-project/backends
156 wiersze
3.7 KiB
Plaintext
156 wiersze
3.7 KiB
Plaintext
dnl
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dnl Contains the following macros
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dnl SANE_EXTRACT_LDFLAGS(LDFLAGS, LIBS)
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dnl SANE_V4L_VERSION
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dnl SANE_CHECK_PTAL
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dnl SANE_CHECK_JPEG
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dnl JAPHAR_GREP_CFLAGS(flag, cmd_if_missing, cmd_if_present)
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dnl SANE_LINKER_RPATH
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dnl
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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 $2(LIBS), and appends them to $1(LDFLAGS)
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#
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# Use like this: SANE_EXTRACT_LDFLAGS(LDFLAGS, LIBS)
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AC_DEFUN(SANE_EXTRACT_LDFLAGS,
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[tmp_LIBS=""
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for param in ${$2}; do
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case "${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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$1="${$1} ${param}"
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;;
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esac
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done
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$2="${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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# Test header file <linux/videodev.h> to check if this is Video for
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# Linux 1 or 2. Sets variable sane_v4l_version to 'v4l' or 'v4l2'
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# depending on the detected version.
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# Test by Petter Reinholdtsen <pere@td.org.uit.no>, 2000-07-07
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#
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AC_DEFUN(SANE_V4L_VERSION,
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[
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AC_CHECK_HEADER(linux/videodev.h)
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if test "${ac_cv_header_linux_videodev_h}" = "yes"
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then
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AC_CACHE_CHECK([Video4Linux version 1 or 2], sane_v4l_version,
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[AC_EGREP_CPP(v4l2_yes,
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[#include <linux/videodev.h>
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#ifdef V4L2_MAJOR_VERSION
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v4l2_yes
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#endif
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],[sane_v4l_version=v4l2],
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[sane_v4l_version=v4l]
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)])
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fi
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])
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#
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# Checks for PTAL, needed for MFP support in HP backend.
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AC_DEFUN(SANE_CHECK_PTAL,
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[
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PTAL_TMP_HAVE_PTAL=no
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AC_ARG_WITH(ptal,
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[ --with-ptal=DIR specify the top-level PTAL directory
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[default=/usr/local]])
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if test "$with_ptal" = "no" ; then
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echo disabling PTAL
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else
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PTAL_OLD_CPPFLAGS=${CPPFLAGS}
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PTAL_OLD_LDFLAGS=${LDFLAGS}
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if test "$with_ptal" = "yes" ; then
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with_ptal=/usr/local
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fi
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CPPFLAGS="${CPPFLAGS} -I$with_ptal/include"
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LDFLAGS="${LDFLAGS} -L$with_ptal/lib"
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AC_CHECK_HEADERS(ptal.h,
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AC_CHECK_LIB(ptal,ptalInit,
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AC_DEFINE(HAVE_PTAL, 1, [Is PTAL available?])
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LDFLAGS="${LDFLAGS} -lptal"
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PTAL_TMP_HAVE_PTAL=yes))
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if test "${PTAL_TMP_HAVE_PTAL}" != "yes" ; then
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CPPFLAGS=${PTAL_OLD_CPPFLAGS}
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LDFLAGS=${PTAL_OLD_LDFLAGS}
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fi
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fi
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unset PTAL_TMP_HAVE_PTAL
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unset PTAL_OLD_CPPFLAGS
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unset PTAL_OLD_LDFLAGS
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])
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#
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# Checks for jpeg library >= v6B (61), needed for DC210 and DC240 backends.
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AC_DEFUN(SANE_CHECK_JPEG,
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[
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AC_CHECK_LIB(jpeg,jpeg_start_decompress,
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[
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AC_CHECK_HEADER(jconfig.h,
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[
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AC_MSG_CHECKING([for jpeglib - version >= 61 (6a)])
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AC_EGREP_CPP(sane_correct_jpeg_lib_version_found,
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[
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#include <jpeglib.h>
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#if JPEG_LIB_VERSION >= 61
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sane_correct_jpeg_lib_version_found
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#endif
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],[sane_cv_use_libjpeg="yes"; LIBS="${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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])
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dnl
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dnl JAPHAR_GREP_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_CFLAGS,
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[case "$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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$2
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;;
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esac
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])
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dnl
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dnl SANE_LINKER_RPATH
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dnl
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dnl Detect how to set runtime link path (rpath). Set variable
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dnl LINKER_RPATH. Typical content will be '-Wl,-rpath,' or '-R '. If
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dnl set, add '${LINKER_RPATH}${libdir}' to $LDFLAGS
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dnl
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AC_DEFUN(SANE_LINKER_RPATH,
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[dnl AC_REQUIRE([AC_SUBST])dnl This line resulted in an empty AC_SUBST() !!
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AC_CACHE_CHECK([linker parameter to set runtime link path], LINKER_RPATH,
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[LINKER_RPATH=
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case "$host_os" in
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linux* | freebsd* | netbsd* | openbsd* | irix*)
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# I believe this only works with GNU ld [pere 2001-04-16]
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LINKER_RPATH="-Wl,-rpath,"
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;;
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solaris*)
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LINKER_RPATH="-R "
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;;
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esac
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])
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AC_SUBST(LINKER_RPATH)dnl
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])
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