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cannam@89
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1
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cannam@89
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2 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
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cannam@89
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3 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
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cannam@89
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4 dnl also defines GSTUFF_PKG_ERRORS on error
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cannam@89
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5 AC_DEFUN(PKG_CHECK_MODULES, [
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cannam@89
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6 succeeded=no
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7
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cannam@89
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8 if test -z "$PKG_CONFIG"; then
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cannam@89
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9 AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
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cannam@89
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10 fi
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cannam@89
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11
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cannam@89
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12 if test "$PKG_CONFIG" = "no" ; then
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cannam@89
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13 echo "*** The pkg-config script could not be found. Make sure it is"
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cannam@89
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14 echo "*** in your path, or set the PKG_CONFIG environment variable"
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cannam@89
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15 echo "*** to the full path to pkg-config."
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cannam@89
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16 echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config."
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17 else
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18 PKG_CONFIG_MIN_VERSION=0.9.0
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19 if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
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cannam@89
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20 AC_MSG_CHECKING(for $2)
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cannam@89
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21
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cannam@89
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22 if $PKG_CONFIG --exists "$2" ; then
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cannam@89
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23 AC_MSG_RESULT(yes)
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24 succeeded=yes
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25
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26 AC_MSG_CHECKING($1_CFLAGS)
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27 $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
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28 AC_MSG_RESULT($$1_CFLAGS)
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29
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30 AC_MSG_CHECKING($1_LIBS)
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31 $1_LIBS=`$PKG_CONFIG --libs "$2"`
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32 AC_MSG_RESULT($$1_LIBS)
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33 else
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34 $1_CFLAGS=""
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35 $1_LIBS=""
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cannam@89
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36 ## If we have a custom action on failure, don't print errors, but
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cannam@89
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37 ## do set a variable so people can do so.
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cannam@89
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38 $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
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cannam@89
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39 ifelse([$4], ,echo $$1_PKG_ERRORS,)
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cannam@89
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40 fi
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cannam@89
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41
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cannam@89
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42 AC_SUBST($1_CFLAGS)
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cannam@89
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43 AC_SUBST($1_LIBS)
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cannam@89
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44 else
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cannam@89
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45 echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
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cannam@89
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46 echo "*** See http://www.freedesktop.org/software/pkgconfig"
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cannam@89
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47 fi
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cannam@89
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48 fi
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cannam@89
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49
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cannam@89
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50 if test $succeeded = yes; then
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cannam@89
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51 ifelse([$3], , :, [$3])
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cannam@89
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52 else
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cannam@89
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53 ifelse([$4], , AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.]), [$4])
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cannam@89
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54 fi
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cannam@89
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55 ])
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56
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cannam@89
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57
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