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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 $4 can be used to replace --cflags and --libs in the request
# AST_EXT_TOOL_CHECK([package], [tool name], [--cflags], [--libs], [includes], [expression])
AC_DEFUN([AST_EXT_TOOL_CHECK],
[
AC_REQUIRE([AST_PROG_SED])dnl
if test "x${PBX_$1}" != "x1" -a "${USE_$1}" != "no"; then
PBX_$1=0
AC_PATH_TOOL(CONFIG_$1, $2, No, [${$1_DIR}/bin:$PATH])
if test ! "x${CONFIG_$1}" = xNo; then
$1_INCLUDE=$(${CONFIG_$1} m4_default([$3],[--cflags]))
$1_INCLUDE=$(echo ${$1_INCLUDE} | $SED -e "s|-I|-I${$1_DIR}|g")
$1_LIB=$(${CONFIG_$1} m4_default([$4],[--libs]))
$1_LIB=$(echo ${$1_LIB} | $SED -e "s|-L|-L${$1_DIR}|g")
m4_ifval([$5], [
saved_cppflags="${CPPFLAGS}"
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 $1 libraries.])],
[]
)
CPPFLAGS="${saved_cppflags}"
LIBS="${saved_libs}"
], [
PBX_$1=1
AC_DEFINE([HAVE_$1], 1, [Define if your system has the $1 libraries.])
])
fi
fi
])
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