libotputil: adding otputil_compat.h

3 files changed, 54 insertions, 1 deletions

diff --git a/Makefile.am b/Makefile.am
index 2a8ccc7..6fc9976 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -72,7 +72,7 @@ man_MANS				=
 info_TEXINFOS                           =
 noinst_LTLIBRARIES                      =
 noinst_LIBRARIES                        =
-noinst_HEADERS                          =
+noinst_HEADERS                          = include/otputil_compat.h
 noinst_PROGRAMS                         =
 bin_PROGRAMS                            =
 bin_SCRIPTS                             =
@@ -106,6 +106,7 @@ EXTRA_DIST				= $(noinst_HEADERS) \
                                           README.md \
                                           TODO.md \
                                           include/otputil.h \
+                                          include/otputil_compat.h \
                                           lib/libotputil/libotputil.sym \
                                           tests/otp-dicts/otp-dicts.h \
                                           tests/test-otputil-hotp.sh \
diff --git a/include/otputil_compat.h b/include/otputil_compat.h
new file mode 100644
index 0000000..c61077d
--- /dev/null
+++ b/include/otputil_compat.h
@@ -0,0 +1,50 @@
+/*
+ *  OTP Utilities
+ *  Copyright (C) 2022 David M. Syzdek <david@syzdek.net>.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions are
+ *  met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of David M. Syzdek nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ *  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ *  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ *  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DAVID M SYZDEK BE LIABLE FOR
+ *  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ *  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ *  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ *  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ *  SUCH DAMAGE.
+ */
+/*
+ *  @file include/otputil_compat.h
+ */
+#ifndef __OTPUTIL_COMPAT_H
+#define __OTPUTIL_COMPAT_H 1
+
+
+///////////////////
+//               //
+//  Definitions  //
+//               //
+///////////////////
+#pragma mark - Definitions
+
+// defined in the Single UNIX Specification
+#ifndef _XOPEN_SOURCE
+#   define _XOPEN_SOURCE 600
+#endif
+
+
+#endif /* end of header */
diff --git a/lib/libotputil/libotputil.h b/lib/libotputil/libotputil.h
index ee57b84..d96b5a9 100644
--- a/lib/libotputil/libotputil.h
+++ b/lib/libotputil/libotputil.h
@@ -41,6 +41,8 @@
 ///////////////
 #pragma mark - Headers
 
+#include <otputil_compat.h>
+
 #ifdef HAVE_CONFIG_H
 #include <config.h>
 #endif