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# Check for a package using $2-config. Similar to AST_EXT_LIB_CHECK,
# but use $2-config to determine cflags and libraries to use.
# $3 and $4 can be used to replace --cflags and --libs in the request
# AST_EXT_TOOL_CHECK([package], [tool name], [--cflags], [--libs], [includes], [expression])
AC_DEFUN([AST_EXT_TOOL_CHECK],
[
if test "x${PBX_$1}" != "x1" -a "${USE_$1}" != "no"; then
PBX_$1=0
AC_CHECK_TOOL(CONFIG_$1, $2-config, No)
if test ! "x${CONFIG_$1}" = xNo; then
if test x"$3" = x ; then A=--cflags ; else A="$3" ; fi
$1_INCLUDE=$(${CONFIG_$1} $A)
if test x"$4" = x ; then A=--libs ; else A="$4" ; fi
$1_LIB=$(${CONFIG_$1} $A)
if test x"$5" != x ; then
saved_cppflags="${CPPFLAGS}"
if test "x${$1_DIR}" != "x"; then
$1_INCLUDE="-I${$1_DIR}/include"
fi
CPPFLAGS="${CPPFLAGS} ${$1_INCLUDE}"
saved_libs="${LIBS}"
LIBS="${$1_LIB}"
AC_LINK_IFELSE(
[ AC_LANG_PROGRAM( [ $5 ],
[ $6; ]
)],
[ PBX_$1=1
AC_DEFINE([HAVE_$1], 1, [Define if your system has the $1 headers.])
],
[]
)
CPPFLAGS="${saved_cppflags}"
LIBS="${saved_libs}"
else
PBX_$1=1
AC_DEFINE([HAVE_$1], 1, [Define if your system has the $1 libraries.])
fi
fi
fi
])
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