Will be needed by the Hung-Chang DSO-2100 driver.
---
configure.ac | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/configure.ac b/configure.ac
index 5d9f076..a647e8b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -127,6 +127,25 @@ AS_CASE([$host], [*-mingw*], [SR_EXTRA_LIBS='-lws2_32'],
[SR_EXTRA_LIBS=])
# libm (the standard math library) is always needed.
SR_SEARCH_LIBS([SR_EXTRA_LIBS], [pow], [m])
+AC_ARG_WITH([libieee1284], [AS_HELP_STRING([--without-libieee1284],
+ [disable libieee1284 support
[default=detect]])])
+sr_have_libieee1284=no
+AS_IF([test "x$with_libieee1284" != xno], [
+ AC_CHECK_HEADER([ieee1284.h], [
+ SR_SEARCH_LIBS([SR_EXTRA_LIBS], [ieee1284_open], [ieee1284], [
+ sr_have_libieee1284=yes
+ SR_APPEND([sr_deps_avail], [libieee1284])
+ sr_pkg_check_summary_append "libieee1284" yes
+ ])
+ ])
+ AS_IF([test "$sr_have_libieee1284" = no], [
+ AS_IF([test "x$with_libieee1284" = xyes], [
+ AC_MSG_ERROR([libieee1284 support requested, but it was
not found.])
+ ])
+ sr_pkg_check_summary_append "libieee1284" no
+ ])
+])
+
# RPC is only needed for VXI support.
AC_CACHE_CHECK([for RPC support], [sr_cv_have_rpc],
[AC_LINK_IFELSE([AC_LANG_PROGRAM(
--
1.8.3.4
------------------------------------------------------------------------------
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