| 1 | dnl @synopsis AC_CHECK_PACKAGE(PACKAGE, FUNCTION, LIBRARY , HEADERFILE [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
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| 2 | dnl
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| 3 | dnl Provides --with-PACKAGE, --with-PACKAGE-include and --with-PACKAGE-libdir
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| 4 | dnl options to configure. Supports the now standard --with-PACKAGE=DIR
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| 5 | dnl approach where the package's include dir and lib dir are underneath DIR,
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| 6 | dnl but also allows the include and lib directories to be specified seperately
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| 7 | dnl
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| 8 | dnl adds the extra -Ipath to CFLAGS if needed
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| 9 | dnl adds extra -Lpath to LD_FLAGS if needed
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| 10 | dnl searches for the FUNCTION in the LIBRARY with
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| 11 | dnl AC_CHECK_LIBRARY and thus adds the lib to LIBS
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| 12 | dnl
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| 13 | dnl defines HAVE_PKG_PACKAGE if it is found, (where PACKAGE in the
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| 14 | dnl HAVE_PKG_PACKAGE is replaced with the actual first parameter passed)
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| 15 | dnl note that autoheader will complain of not having the HAVE_PKG_PACKAGE and you
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| 16 | dnl will have to add it to acconfig.h manually
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| 17 | dnl
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| 18 | dnl @version $Id$
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| 19 | dnl @author Caolan McNamara <caolan@skynet.ie>
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| 20 | dnl
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| 21 | dnl with fixes from...
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| 22 | dnl Alexandre Duret-Lutz <duret_g@lrde.epita.fr>
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| 23 |
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| 24 | AC_DEFUN([AC_CHECK_CLASS],
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| 25 | [
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| 26 |
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| 27 | AC_ARG_WITH($1,
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| 28 | [ --with-$1[=DIR] root directory of $1 installation],
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| 29 | with_$1=$withval
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| 30 | if test "${with_$1}" != yes; then
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| 31 | $1_include="$withval/include"
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| 32 | $1_libdir="$withval/lib"
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| 33 | fi
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| 34 | )
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| 35 |
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| 36 | AC_ARG_WITH($1-include,
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| 37 | [ --with-$1-include=DIR specify exact include dir for $1 headers (e.g. $4)],
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| 38 | $1_include="$withval")
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| 39 |
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| 40 | AC_ARG_WITH($1-libdir,
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| 41 | [ --with-$1-libdir=DIR specify exact library dir for $1 library (e.g. lib$3)
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| 42 | --without-$1 disables $1 usage completely],
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| 43 | $1_libdir="$withval")
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| 44 |
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| 45 | if test "${with_$1}" != no ; then
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| 46 | OLD_LIBS=$LIBS
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| 47 | OLD_LDFLAGS=$LDFLAGS
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| 48 | OLD_CFLAGS=$CFLAGS
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| 49 | OLD_CPPFLAGS=$CPPFLAGS
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| 50 |
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| 51 | if test "${$1_libdir}" ; then
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| 52 | LDFLAGS="$LDFLAGS -L${$1_libdir}"
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| 53 | fi
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| 54 | if test "${$1_include}" ; then
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| 55 | CPPFLAGS="$CPPFLAGS -I${$1_include}"
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| 56 | CFLAGS="$CFLAGS -I${$1_include}"
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| 57 | fi
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| 58 |
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| 59 | no_good=no
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| 60 |
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| 61 | AC_CHECK_HEADER($4,,no_good=yes)
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| 62 |
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| 63 | AC_LANG_PUSH([C++])
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| 64 | AC_CHECK_CPP($3, [#include <$4>] , [$2],,no_good=yes, $7)
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| 65 | AC_LANG_POP([C++])
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| 66 |
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| 67 | if test "$no_good" = yes; then
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| 68 | dnl broken
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| 69 | ifelse([$6], , , [$6])
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| 70 |
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| 71 | LIBS=$OLD_LIBS
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| 72 | LDFLAGS=$OLD_LDFLAGS
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| 73 | CPPFLAGS=$OLD_CPPFLAGS
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| 74 | CFLAGS=$OLD_CFLAGS
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| 75 | else
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| 76 | dnl fixed
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| 77 | ifelse([$5], , , [$5])
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| 78 |
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| 79 | AC_DEFINE(HAVE_PKG_$1)
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| 80 | fi
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| 81 |
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| 82 | fi
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| 83 |
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| 84 | ])
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