[c, cpp]: support VERSION file for CMake ABI versioning (#328)

* c: use VERSION file for CMake PROJECT and SOVERSION

* cpp: use VERSION file for ABI version and CMake SOVERSION

* cpp: add sample VERSION file

* chore(cpp): fix CHANGELOG.md

CHANGELOG.md

@@ -12,6 +12,7 @@ This document is formatted according to the principles of [Keep A CHANGELOG](htt
 
 ### Changed
 - [cpp] add generic support for ABI versioning with VERSION ([#328](https://github.com/cucumber/gherkin/pull/328))
+- [cpp] namespace was changed to 'cucumber::gherkin' to better reflect project structure and prevent clashing
 
 ## [30.0.4] - 2024-11-15
 ### Fixed

c/CMakeLists.txt

@@ -1,5 +1,21 @@
-cmake_minimum_required(VERSION 3.5)
-project(gherkin C)
+set(VERSION 27.0.2)
+
+if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/VERSION")
+    file(STRINGS "VERSION" LINES)
+    list(GET LINES 0 VERSION)
+endif()
+
+# Crude Semver parsing
+if("${VERSION}" MATCHES "^([^\\.]+)\\.([^\\.]+)\\.([^\\.]+)$")
+    set(VER_MAJOR ${CMAKE_MATCH_1})
+    set(VER_MINOR ${CMAKE_MATCH_2})
+    set(VER_PATCH ${CMAKE_MATCH_3})
+else()
+    message(FATAL_ERROR "unable to parse version: ${VERSION}")
+endif()
+
+cmake_minimum_required(VERSION 3.0)
+PROJECT(gherkin VERSION ${VERSION} LANGUAGES C)
 enable_testing()
 
 # Install library & headers in your directory
@@ -68,7 +84,17 @@ LIST(APPEND GHERKIN_CLI
         )
 
 
+
+
 add_library(gherkin ${GHERKIN_SRS})
+
+set_target_properties(
+    gherkin
+    PROPERTIES
+        VERSION ${VERSION}
+        SOVERSION ${VER_MAJOR}
+)
+
 include(CheckLibraryExists)
 CHECK_LIBRARY_EXISTS(m log10 "" HAVE_LIB_M)
 if (HAVE_LIB_M)

cpp/CMakeLists.txt

@@ -6,7 +6,7 @@
 ###
 cmake_minimum_required(VERSION 3.12 FATAL_ERROR)
 
-project(cucumber_gherkin VERSION 0.1.0 LANGUAGES C CXX)
+project(cucumber_gherkin VERSION 30.0.4 LANGUAGES C CXX)
 
 ###
 #

cpp/Makefile

@@ -56,12 +56,10 @@ clean: clean-deps ## Remove all build artifacts and files generated by the accep
 
 acceptance: .built $(TOKENS) $(ASTS) $(PICKLES) $(ERRORS) $(SOURCES) ## Build acceptance test dir and compare results with reference
 
-.built: .configured $(SOURCE_FILES)
+.built: $(SOURCE_FILES)
+	./cmake/cmate install
 	./cmake/cmate build
-	touch $@
-
-.configured: .deps-installed
-	./cmake/cmate configure
+	./cmake/cmate stage
 	touch $@
 
 define berp-generate-parser =
@@ -105,12 +103,9 @@ acceptance/testdata/%.errors.ndjson: ../testdata/% ../testdata/%.errors.ndjson
 #
 # External dependencies
 #
-install-deps: .deps-installed
-.PHONY: install-deps
-
-.deps-installed:
+install-deps:
 	./cmake/cmate install
-	touch $@
+.PHONY: install-deps
 
 clean-deps:
 	./cmake/cmate clean --purge

cpp/VERSION

@@ -0,0 +1 @@
+30.0.4