Hook error() and error_at_line() if available.

[coloredstderr/coloredstderr.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index a5279d06ef0dd6d1648bdd71c0beab43b7308b56..f660e60ebdf7833167557a4b3fd8ec66132f65b3 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -32,7 +32,7 @@ dnl Used by test suite.
 AC_PROG_SED
 AC_PROG_EGREP
 
-AC_CHECK_HEADERS([fcntl.h])
+AC_CHECK_HEADERS([fcntl.h error.h])
 
 AC_TYPE_PID_T
 AC_TYPE_SIZE_T
@@ -51,5 +51,8 @@ AC_ARG_ENABLE([debug],
                    AC_DEFINE([DEBUG], 1, [Define to enable debug output.])
                fi])
 
+dnl Used in tests/Makefile.am to build the test only if error() is available.
+AM_CONDITIONAL([HAVE_ERROR_H],[test "x$ac_cv_header_error_h" = xyes])
+
 AC_CONFIG_FILES([Makefile src/Makefile tests/Makefile])
 AC_OUTPUT