1 files changed, 61 insertions, 0 deletions
diff --git a/src/sord_config.h b/src/sord_config.h
new file mode 100644
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--- /dev/null
+++ b/src/sord_config.h
@@ -0,0 +1,61 @@
+/*
+  Copyright 2021 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+/*
+  Configuration header that defines reasonable defaults at compile time.
+
+  This allows compile-time configuration from the command line (typically via
+  the build system) while still allowing the source to be built without any
+  configuration.  The build system can define SORD_NO_DEFAULT_CONFIG to disable
+  defaults, in which case it must define things like HAVE_FEATURE to enable
+  features.  The design here ensures that compiler warnings or
+  include-what-you-use will catch any mistakes.
+*/
+
+#ifndef SORD_CONFIG_H
+#define SORD_CONFIG_H
+
+// Define version unconditionally so a warning will catch a mismatch
+#define SORD_VERSION "0.16.7"
+
+#if !defined(SORD_NO_DEFAULT_CONFIG)
+
+// The validator uses PCRE for literal pattern matching
+#  ifndef HAVE_PCRE
+#    ifdef __has_include
+#      if __has_include(<pcre.h>)
+#        define HAVE_PCRE 1
+#      endif
+#    endif
+#  endif
+
+#endif // !defined(SORD_NO_DEFAULT_CONFIG)
+
+/*
+  Make corresponding USE_FEATURE defines based on the HAVE_FEATURE defines from
+  above or the command line.  The code checks for these using #if (not #ifdef),
+  so there will be an undefined warning if it checks for an unknown feature,
+  and this header is always required by any code that checks for features, even
+  if the build system defines them all.
+*/
+
+#ifdef HAVE_PCRE
+#  define USE_PCRE 1
+#else
+#  define USE_PCRE 0
+#endif
+
+#endif // SORD_CONFIG_H