kopia lustrzana https://gitlab.com/sane-project/backends
736 wiersze
22 KiB
Plaintext
736 wiersze
22 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 SANE_CHECK_U_TYPES
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dnl SANE_CHECK_GPHOTO2
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dnl AC_PROG_LIBTOOL
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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=${PTAL_OLD_LDFLAGS}
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fi
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fi
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unset PTAL_TMP_HAVE_PTAL
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unset PTAL_OLD_CPPFLAGS
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unset PTAL_OLD_LDFLAGS
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])
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#
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# Checks for jpeg library >= v6B (61), needed for DC210, DC240, and
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# GPHOTO2 backends.
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AC_DEFUN(SANE_CHECK_JPEG,
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[
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AC_CHECK_LIB(jpeg,jpeg_start_decompress,
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[
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AC_CHECK_HEADER(jconfig.h,
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[
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AC_MSG_CHECKING([for jpeglib - version >= 61 (6a)])
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AC_EGREP_CPP(sane_correct_jpeg_lib_version_found,
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[
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#include <jpeglib.h>
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#if JPEG_LIB_VERSION >= 61
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sane_correct_jpeg_lib_version_found
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#endif
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],[sane_cv_use_libjpeg="yes"; LIBS="${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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dnl
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dnl SANE_CHECK_U_TYPES
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dnl
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dnl Some of the following types seem to be defined only in sys/bitypes.h on
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dnl some systems (e.g. Tru64 Unix). This is a problem for files that include
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dnl sys/bitypes.h indirectly (e.g. net.c). If this is true, we add
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dnl sys/bitypes.h to CPPFLAGS.
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AC_DEFUN(SANE_CHECK_U_TYPES,
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[if test "$ac_cv_header_sys_bitypes_h" = "yes" ; then
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AC_MSG_CHECKING([for u_int8_t only in sys/bitypes.h])
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AC_EGREP_CPP(u_int8_t,
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[
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#include "confdefs.h"
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#include <sys/types.h>
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#if STDC_HEADERS
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#include <stdlib.h>
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#include <stddef.h>
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#endif
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],[AC_MSG_RESULT([no, also in standard headers])],
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[AC_EGREP_HEADER(u_int8_t,netinet/in.h,
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[AC_DEFINE(NEED_SYS_BITYPES_H, 1, [Do we need <sys/bitypes.h>?])
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AC_MSG_RESULT(yes)],
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[AC_MSG_RESULT([no, not even included with netinet/in.h])])])
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fi
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AC_CHECK_TYPE(u_int8_t, unsigned char)
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AC_CHECK_TYPE(u_int16_t, unsigned short)
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AC_CHECK_TYPE(u_int32_t, unsigned int)
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AC_CHECK_TYPE(u_char, unsigned char)
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AC_CHECK_TYPE(u_int, unsigned int)
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AC_CHECK_TYPE(u_long, unsigned 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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[ --with-gphoto2 Include the gphoto2 backend],
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[
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if test "$with_gphoto2" = "no" ; then
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echo disabling GPHOTO2
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else
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AC_CHECK_TOOL(HAVE_GPHOTO2, gphoto2-config, false)
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if test "$with_gphoto2" = "yes" ; then
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with_gphoto2=`gphoto2-config --prefix`
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fi
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GPVERSION=`gphoto2-config --version`
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if test "$GPVERSION" != "gphoto2 2.0beta4dev8" &&
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test "$GPVERSION" != "gphoto2 2.0beta4dev9" &&
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test "$GPVERSION" != "gphoto2 2.0beta5dev1" ; then
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echo
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echo "Sorry, can't use GPHOTO2"
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echo "GPHOTO2 APIs have been changing rapidly. Only"
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echo "the current version from CVS is likely to work."
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echo
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HAVE_GPHOTO2=""
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else
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CPPFLAGS="${CPPFLAGS} `gphoto2-config --cflags`"
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GPHOTO2_LIBS="`gphoto2-config --libs`"
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SANE_EXTRACT_LDFLAGS(LDFLAGS, GPHOTO2_LIBS)
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LIBS="${LIBS} ${GPHOTO2_LIBS}"
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fi
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]) fi
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])
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# serial 40 AC_PROG_LIBTOOL
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AC_DEFUN(AC_PROG_LIBTOOL,
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[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
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# Save cache, so that ltconfig can load it
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AC_CACHE_SAVE
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# Actually configure libtool. ac_aux_dir is where install-sh is found.
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CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
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LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
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LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
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DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
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${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
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$libtool_flags --no-verify $ac_aux_dir/ltmain.sh $lt_target \
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|| AC_MSG_ERROR([libtool configure failed])
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# Reload cache, that may have been modified by ltconfig
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AC_CACHE_LOAD
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# This can be used to rebuild libtool when needed
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LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"
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# Always use our own libtool.
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LIBTOOL='$(SHELL) $(top_builddir)/libtool'
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AC_SUBST(LIBTOOL)dnl
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# Redirect the config.log output again, so that the ltconfig log is not
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# clobbered by the next message.
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exec 5>>./config.log
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])
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AC_DEFUN(AC_LIBTOOL_SETUP,
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[AC_PREREQ(2.13)dnl
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AC_REQUIRE([AC_ENABLE_SHARED])dnl
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AC_REQUIRE([AC_ENABLE_STATIC])dnl
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AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
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AC_REQUIRE([AC_CANONICAL_HOST])dnl
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AC_REQUIRE([AC_CANONICAL_BUILD])dnl
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AC_REQUIRE([AC_PROG_RANLIB])dnl
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AC_REQUIRE([AC_PROG_CC])dnl
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AC_REQUIRE([AC_PROG_LD])dnl
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AC_REQUIRE([AC_PROG_NM])dnl
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AC_REQUIRE([AC_PROG_LN_S])dnl
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dnl
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case "$target" in
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NONE) lt_target="$host" ;;
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*) lt_target="$target" ;;
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esac
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# Check for any special flags to pass to ltconfig.
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#
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# the following will cause an existing older ltconfig to fail, so
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# we ignore this at the expense of the cache file... Checking this
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# will just take longer ... bummer!
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#libtool_flags="--cache-file=$cache_file"
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#
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test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
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test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
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test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
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test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
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test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
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ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
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[libtool_flags="$libtool_flags --enable-dlopen"])
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ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
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[libtool_flags="$libtool_flags --enable-win32-dll"])
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AC_ARG_ENABLE(libtool-lock,
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[ --disable-libtool-lock avoid locking (might break parallel builds)])
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test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
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test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
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# Some flags need to be propagated to the compiler or linker for good
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# libtool support.
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case "$lt_target" in
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*-*-irix6*)
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# Find out which ABI we are using.
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echo '[#]line __oline__ "configure"' > conftest.$ac_ext
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if AC_TRY_EVAL(ac_compile); then
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case "`/usr/bin/file conftest.o`" in
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*32-bit*)
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LD="${LD-ld} -32"
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;;
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*N32*)
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LD="${LD-ld} -n32"
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;;
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*64-bit*)
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LD="${LD-ld} -64"
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;;
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esac
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fi
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rm -rf conftest*
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;;
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*-*-sco3.2v5*)
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# On SCO OpenServer 5, we need -belf to get full-featured binaries.
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SAVE_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -belf"
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AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
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[AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
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if test x"$lt_cv_cc_needs_belf" != x"yes"; then
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# this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
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CFLAGS="$SAVE_CFLAGS"
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fi
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;;
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ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
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[*-*-cygwin* | *-*-mingw*)
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AC_CHECK_TOOL(DLLTOOL, dlltool, false)
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AC_CHECK_TOOL(AS, as, false)
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AC_CHECK_TOOL(OBJDUMP, objdump, false)
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;;
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])
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esac
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])
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# AC_LIBTOOL_DLOPEN - enable checks for dlopen support
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AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
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# AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
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AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
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# AC_ENABLE_SHARED - implement the --enable-shared flag
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# Usage: AC_ENABLE_SHARED[(DEFAULT)]
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# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
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# `yes'.
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AC_DEFUN(AC_ENABLE_SHARED, [dnl
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define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
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AC_ARG_ENABLE(shared,
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changequote(<<, >>)dnl
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<< --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
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changequote([, ])dnl
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[p=${PACKAGE-default}
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case "$enableval" in
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yes) enable_shared=yes ;;
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no) enable_shared=no ;;
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*)
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enable_shared=no
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# Look at the argument we got. We use all the common list separators.
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IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
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for pkg in $enableval; do
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if test "X$pkg" = "X$p"; then
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enable_shared=yes
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fi
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done
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IFS="$ac_save_ifs"
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;;
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esac],
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enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
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])
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# AC_DISABLE_SHARED - set the default shared flag to --disable-shared
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AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
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AC_ENABLE_SHARED(no)])
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# AC_ENABLE_STATIC - implement the --enable-static flag
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# Usage: AC_ENABLE_STATIC[(DEFAULT)]
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# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
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# `yes'.
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AC_DEFUN(AC_ENABLE_STATIC, [dnl
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define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
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AC_ARG_ENABLE(static,
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changequote(<<, >>)dnl
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<< --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
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changequote([, ])dnl
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[p=${PACKAGE-default}
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case "$enableval" in
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yes) enable_static=yes ;;
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no) enable_static=no ;;
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*)
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enable_static=no
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# Look at the argument we got. We use all the common list separators.
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IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
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for pkg in $enableval; do
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if test "X$pkg" = "X$p"; then
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enable_static=yes
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fi
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done
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IFS="$ac_save_ifs"
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;;
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esac],
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enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
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])
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# AC_DISABLE_STATIC - set the default static flag to --disable-static
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AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
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AC_ENABLE_STATIC(no)])
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|
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# AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
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# Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
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# Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
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# `yes'.
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AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl
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define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
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AC_ARG_ENABLE(fast-install,
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changequote(<<, >>)dnl
|
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<< --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
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changequote([, ])dnl
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[p=${PACKAGE-default}
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case "$enableval" in
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yes) enable_fast_install=yes ;;
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no) enable_fast_install=no ;;
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*)
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enable_fast_install=no
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# Look at the argument we got. We use all the common list separators.
|
|
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
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for pkg in $enableval; do
|
|
if test "X$pkg" = "X$p"; then
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enable_fast_install=yes
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fi
|
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done
|
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IFS="$ac_save_ifs"
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;;
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|
esac],
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enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
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])
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|
|
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# AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install
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AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
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AC_ENABLE_FAST_INSTALL(no)])
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|
|
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# AC_PROG_LD - find the path to the GNU or non-GNU linker
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|
AC_DEFUN(AC_PROG_LD,
|
|
[AC_ARG_WITH(gnu-ld,
|
|
[ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
|
|
test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
|
|
AC_REQUIRE([AC_PROG_CC])dnl
|
|
AC_REQUIRE([AC_CANONICAL_HOST])dnl
|
|
AC_REQUIRE([AC_CANONICAL_BUILD])dnl
|
|
ac_prog=ld
|
|
if test "$ac_cv_prog_gcc" = yes; then
|
|
# Check if gcc -print-prog-name=ld gives a path.
|
|
AC_MSG_CHECKING([for ld used by GCC])
|
|
ac_prog=`($CC -print-prog-name=ld) 2>&5`
|
|
case "$ac_prog" in
|
|
# Accept absolute paths.
|
|
changequote(,)dnl
|
|
[\\/]* | [A-Za-z]:[\\/]*)
|
|
re_direlt='/[^/][^/]*/\.\./'
|
|
changequote([,])dnl
|
|
# Canonicalize the path of ld
|
|
ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
|
|
while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
|
|
ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
|
|
done
|
|
test -z "$LD" && LD="$ac_prog"
|
|
;;
|
|
"")
|
|
# If it fails, then pretend we aren't using GCC.
|
|
ac_prog=ld
|
|
;;
|
|
*)
|
|
# If it is relative, then search for the first ld in PATH.
|
|
with_gnu_ld=unknown
|
|
;;
|
|
esac
|
|
elif test "$with_gnu_ld" = yes; then
|
|
AC_MSG_CHECKING([for GNU ld])
|
|
else
|
|
AC_MSG_CHECKING([for non-GNU ld])
|
|
fi
|
|
AC_CACHE_VAL(ac_cv_path_LD,
|
|
[if test -z "$LD"; then
|
|
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
|
|
for ac_dir in $PATH; do
|
|
test -z "$ac_dir" && ac_dir=.
|
|
if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
|
|
ac_cv_path_LD="$ac_dir/$ac_prog"
|
|
# Check to see if the program is GNU ld. I'd rather use --version,
|
|
# but apparently some GNU ld's only accept -v.
|
|
# Break only if it was the GNU/non-GNU ld that we prefer.
|
|
if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
|
|
test "$with_gnu_ld" != no && break
|
|
else
|
|
test "$with_gnu_ld" != yes && break
|
|
fi
|
|
fi
|
|
done
|
|
IFS="$ac_save_ifs"
|
|
else
|
|
ac_cv_path_LD="$LD" # Let the user override the test with a path.
|
|
fi])
|
|
LD="$ac_cv_path_LD"
|
|
if test -n "$LD"; then
|
|
AC_MSG_RESULT($LD)
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
|
|
AC_PROG_LD_GNU
|
|
])
|
|
|
|
AC_DEFUN(AC_PROG_LD_GNU,
|
|
[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
|
|
[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
|
|
if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
|
|
ac_cv_prog_gnu_ld=yes
|
|
else
|
|
ac_cv_prog_gnu_ld=no
|
|
fi])
|
|
])
|
|
|
|
# AC_PROG_NM - find the path to a BSD-compatible name lister
|
|
AC_DEFUN(AC_PROG_NM,
|
|
[AC_MSG_CHECKING([for BSD-compatible nm])
|
|
AC_CACHE_VAL(ac_cv_path_NM,
|
|
[if test -n "$NM"; then
|
|
# Let the user override the test.
|
|
ac_cv_path_NM="$NM"
|
|
else
|
|
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
|
|
for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
|
|
test -z "$ac_dir" && ac_dir=.
|
|
if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then
|
|
# Check to see if the nm accepts a BSD-compat flag.
|
|
# Adding the `sed 1q' prevents false positives on HP-UX, which says:
|
|
# nm: unknown option "B" ignored
|
|
if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
|
|
ac_cv_path_NM="$ac_dir/nm -B"
|
|
break
|
|
elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
|
|
ac_cv_path_NM="$ac_dir/nm -p"
|
|
break
|
|
else
|
|
ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
|
|
continue # so that we can try to find one that supports BSD flags
|
|
fi
|
|
fi
|
|
done
|
|
IFS="$ac_save_ifs"
|
|
test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
|
|
fi])
|
|
NM="$ac_cv_path_NM"
|
|
AC_MSG_RESULT([$NM])
|
|
])
|
|
|
|
# AC_CHECK_LIBM - check for math library
|
|
AC_DEFUN(AC_CHECK_LIBM,
|
|
[AC_REQUIRE([AC_CANONICAL_HOST])dnl
|
|
LIBM=
|
|
case "$lt_target" in
|
|
*-*-beos* | *-*-cygwin*)
|
|
# These system don't have libm
|
|
;;
|
|
*-ncr-sysv4.3*)
|
|
AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
|
|
AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
|
|
;;
|
|
*)
|
|
AC_CHECK_LIB(m, main, LIBM="-lm")
|
|
;;
|
|
esac
|
|
])
|
|
|
|
# AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
|
|
# the libltdl convenience library and INCLTDL to the include flags for
|
|
# the libltdl header and adds --enable-ltdl-convenience to the
|
|
# configure arguments. Note that LIBLTDL and INCLTDL are not
|
|
# AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called. If DIR is not
|
|
# provided, it is assumed to be `libltdl'. LIBLTDL will be prefixed
|
|
# with '${top_builddir}/' and INCLTDL will be prefixed with
|
|
# '${top_srcdir}/' (note the single quotes!). If your package is not
|
|
# flat and you're not using automake, define top_builddir and
|
|
# top_srcdir appropriately in the Makefiles.
|
|
AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
|
|
case "$enable_ltdl_convenience" in
|
|
no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
|
|
"") enable_ltdl_convenience=yes
|
|
ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
|
|
esac
|
|
LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
|
|
INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
|
|
])
|
|
|
|
# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
|
|
# the libltdl installable library and INCLTDL to the include flags for
|
|
# the libltdl header and adds --enable-ltdl-install to the configure
|
|
# arguments. Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
|
|
# AC_CONFIG_SUBDIRS called. If DIR is not provided and an installed
|
|
# libltdl is not found, it is assumed to be `libltdl'. LIBLTDL will
|
|
# be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
|
|
# with '${top_srcdir}/' (note the single quotes!). If your package is
|
|
# not flat and you're not using automake, define top_builddir and
|
|
# top_srcdir appropriately in the Makefiles.
|
|
# In the future, this macro may have to be called after AC_PROG_LIBTOOL.
|
|
AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
|
|
AC_CHECK_LIB(ltdl, main,
|
|
[test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
|
|
[if test x"$enable_ltdl_install" = xno; then
|
|
AC_MSG_WARN([libltdl not installed, but installation disabled])
|
|
else
|
|
enable_ltdl_install=yes
|
|
fi
|
|
])
|
|
if test x"$enable_ltdl_install" = x"yes"; then
|
|
ac_configure_args="$ac_configure_args --enable-ltdl-install"
|
|
LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
|
|
INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
|
|
else
|
|
ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
|
|
LIBLTDL="-lltdl"
|
|
INCLTDL=
|
|
fi
|
|
])
|
|
|
|
dnl old names
|
|
AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
|
|
AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
|
|
AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
|
|
AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
|
|
AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
|
|
AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
|
|
AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
|
|
|
|
dnl This is just to silence aclocal about the macro not being used
|
|
ifelse([AC_DISABLE_FAST_INSTALL])dnl
|
|
|
|
|
|
# serial 1
|
|
|
|
# @defmac AC_PROG_CC_STDC
|
|
# @maindex PROG_CC_STDC
|
|
# @ovindex CC
|
|
# If the C compiler in not in ANSI C mode by default, try to add an option
|
|
# to output variable @code{CC} to make it so. This macro tries various
|
|
# options that select ANSI C on some system or another. It considers the
|
|
# compiler to be in ANSI C mode if it handles function prototypes correctly.
|
|
#
|
|
# If you use this macro, you should check after calling it whether the C
|
|
# compiler has been set to accept ANSI C; if not, the shell variable
|
|
# @code{am_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source
|
|
# code in ANSI C, you can make an un-ANSIfied copy of it by using the
|
|
# program @code{ansi2knr}, which comes with Ghostscript.
|
|
# @end defmac
|
|
|
|
AC_DEFUN(AM_PROG_CC_STDC,
|
|
[AC_REQUIRE([AC_PROG_CC])
|
|
AC_BEFORE([$0], [AC_C_INLINE])
|
|
AC_BEFORE([$0], [AC_C_CONST])
|
|
dnl Force this before AC_PROG_CPP. Some cpp's, eg on HPUX, require
|
|
dnl a magic option to avoid problems with ANSI preprocessor commands
|
|
dnl like #elif.
|
|
dnl FIXME: can't do this because then AC_AIX won't work due to a
|
|
dnl circular dependency.
|
|
dnl AC_BEFORE([$0], [AC_PROG_CPP])
|
|
AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
|
|
AC_CACHE_VAL(am_cv_prog_cc_stdc,
|
|
[am_cv_prog_cc_stdc=no
|
|
ac_save_CC="$CC"
|
|
# Don't try gcc -ansi; that turns off useful extensions and
|
|
# breaks some systems' header files.
|
|
# AIX -qlanglvl=ansi
|
|
# Ultrix and OSF/1 -std1
|
|
# HP-UX -Aa -D_HPUX_SOURCE
|
|
# SVR4 -Xc -D__EXTENSIONS__
|
|
for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
|
|
do
|
|
CC="$ac_save_CC $ac_arg"
|
|
AC_TRY_COMPILE(
|
|
[#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
|
|
struct buf { int x; };
|
|
FILE * (*rcsopen) (struct buf *, struct stat *, int);
|
|
static char *e (p, i)
|
|
char **p;
|
|
int i;
|
|
{
|
|
return p[i];
|
|
}
|
|
static char *f (char * (*g) (char **, int), char **p, ...)
|
|
{
|
|
char *s;
|
|
va_list v;
|
|
va_start (v,p);
|
|
s = g (p, va_arg (v,int));
|
|
va_end (v);
|
|
return s;
|
|
}
|
|
int test (int i, double x);
|
|
struct s1 {int (*f) (int a);};
|
|
struct s2 {int (*f) (double a);};
|
|
int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
|
|
int argc;
|
|
char **argv;
|
|
], [
|
|
return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
|
|
],
|
|
[am_cv_prog_cc_stdc="$ac_arg"; break])
|
|
done
|
|
CC="$ac_save_CC"
|
|
])
|
|
if test -z "$am_cv_prog_cc_stdc"; then
|
|
AC_MSG_RESULT([none needed])
|
|
else
|
|
AC_MSG_RESULT($am_cv_prog_cc_stdc)
|
|
fi
|
|
case "x$am_cv_prog_cc_stdc" in
|
|
x|xno) ;;
|
|
*) CC="$CC $am_cv_prog_cc_stdc" ;;
|
|
esac
|
|
])
|
|
|
|
|