Add version constants to public header

4 files changed, 39 insertions, 8 deletions

diff --git a/include/serd/serd.h b/include/serd/serd.h
index 790dfde0..3655f0b4 100644
--- a/include/serd/serd.h
+++ b/include/serd/serd.h
@@ -87,6 +87,29 @@ extern "C" {
    @{
 */
 
+/**
+   The major version number of the serd library.
+
+   Semver: Increments when incompatible API changes are made.
+*/
+#define SERD_MAJOR_VERSION 1
+
+/**
+   The minor version number of the serd library.
+
+   Semver: Increments when functionality is added in a backwards compatible
+   manner.
+*/
+#define SERD_MINOR_VERSION 0
+
+/**
+   The micro version number of the serd library.
+
+   Semver: Increments when changes are made that do not affect the API, such as
+   performance improvements or bug fixes.
+*/
+#define SERD_MICRO_VERSION 1
+
 /// Flags that describe the details of a node
 typedef enum {
   SERD_IS_LONG      = 1u << 0u, ///< Literal node should be triple-quoted
diff --git a/meson.build b/meson.build
index 9ae07fa1..21cbb3ed 100644
--- a/meson.build
+++ b/meson.build
@@ -10,9 +10,11 @@ project('serd', ['c'],
           'warning_level=2',
         ])
 
+serd_major_version = meson.project_version().split('.')[0]
+serd_minor_version = meson.project_version().split('.')[1]
+serd_micro_version = meson.project_version().split('.')[2]
 serd_src_root = meson.current_source_dir()
-major_version = meson.project_version().split('.')[0]
-version_suffix = '-@0@'.format(major_version)
+version_suffix = '-@0@'.format(serd_major_version)
 versioned_name = 'serd' + version_suffix
 
 # Load build tools
@@ -160,6 +162,11 @@ else
   ]
 endif
 
+# Define version constants to trigger a warning if those in the code don't mwatch
+library_args += ['-DSERD_MAJOR_VERSION=@0@'.format(serd_major_version),
+                 '-DSERD_MINOR_VERSION=@0@'.format(serd_minor_version),
+                 '-DSERD_MICRO_VERSION=@0@'.format(serd_micro_version)]
+
 exess_dep = dependency('exess-0',
                        version: '>= 0.0.1',
                        fallback: ['exess', 'exess_dep'])
diff --git a/src/serd_config.h b/src/serd_config.h
index 53378a48..90888c39 100644
--- a/src/serd_config.h
+++ b/src/serd_config.h
@@ -28,9 +28,6 @@
 #ifndef SERD_CONFIG_H
 #define SERD_CONFIG_H
 
-// Define version unconditionally so a warning will catch a mismatch
-#define SERD_VERSION "1.0.1"
-
 #if !defined(SERD_NO_DEFAULT_CONFIG)
 
 // We need unistd.h to check _POSIX_VERSION
diff --git a/src/serdi.c b/src/serdi.c
index 2de41ce7..d84e3663 100644
--- a/src/serdi.c
+++ b/src/serdi.c
@@ -1,5 +1,5 @@
 /*
-  Copyright 2011-2020 David Robillard <d@drobilla.net>
+  Copyright 2011-2021 David Robillard <d@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
@@ -14,7 +14,6 @@
   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
-#include "serd_config.h"
 #include "system.h"
 
 #include "serd/serd.h"
@@ -47,11 +46,16 @@ typedef struct {
 static int
 print_version(void)
 {
-  printf("serdi " SERD_VERSION " <http://drobilla.net/software/serd>\n");
+  printf("serdi %d.%d.%d <http://drobilla.net/software/serd>\n",
+         SERD_MAJOR_VERSION,
+         SERD_MINOR_VERSION,
+         SERD_MICRO_VERSION);
+
   printf("Copyright 2011-2021 David Robillard <d@drobilla.net>.\n"
          "License: <http://www.opensource.org/licenses/isc>\n"
          "This is free software; you are free to change and redistribute it."
          "\nThere is NO WARRANTY, to the extent permitted by law.\n");
+
   return 0;
 }