Use cmake to generate version.h

.gitignore

@@ -81,3 +81,6 @@ cmake-build-*/
 *.tcl
 *.user
 *.sln
+
+# Generated version.h
+/include/spdlog/version.h

CMakeLists.txt

@@ -8,18 +8,16 @@ else()
     cmake_policy(VERSION 3.11)
 endif()
 
-enable_language(C)
-
 # ---------------------------------------------------------------------------------------
 # Start spdlog project
 # ---------------------------------------------------------------------------------------
+project(spdlog VERSION "1.7.0" LANGUAGES CXX)
+message(STATUS "Build spdlog: ${PROJECT_VERSION}")
+
 include(cmake/utils.cmake)
 include(cmake/ide.cmake)
 
-spdlog_extract_version()
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/version.h.in ${SPDLOG_HEADERS_DIR}/spdlog/version.h   @ONLY)
-
-project(spdlog VERSION ${SPDLOG_VERSION} LANGUAGES CXX)
-message(STATUS "Build spdlog: ${SPDLOG_VERSION}")
 
 include(GNUInstallDirs)
 

cmake/utils.cmake

@@ -1,30 +1,3 @@
-# Get spdlog version from include/spdlog/version.h and put it in SPDLOG_VERSION
-function(spdlog_extract_version)
-    file(READ "${CMAKE_CURRENT_LIST_DIR}/include/spdlog/version.h" file_contents)
-    string(REGEX MATCH "SPDLOG_VER_MAJOR ([0-9]+)" _ "${file_contents}")
-    if(NOT CMAKE_MATCH_COUNT EQUAL 1)
-        message(FATAL_ERROR "Could not extract major version number from spdlog/version.h")
-    endif()
-    set(ver_major ${CMAKE_MATCH_1})
-
-    string(REGEX MATCH "SPDLOG_VER_MINOR ([0-9]+)" _ "${file_contents}")
-    if(NOT CMAKE_MATCH_COUNT EQUAL 1)
-        message(FATAL_ERROR "Could not extract minor version number from spdlog/version.h")
-    endif()
-
-    set(ver_minor ${CMAKE_MATCH_1})
-    string(REGEX MATCH "SPDLOG_VER_PATCH ([0-9]+)" _ "${file_contents}")
-    if(NOT CMAKE_MATCH_COUNT EQUAL 1)
-        message(FATAL_ERROR "Could not extract patch version number from spdlog/version.h")
-    endif()
-    set(ver_patch ${CMAKE_MATCH_1})
-
-    set(SPDLOG_VERSION_MAJOR ${ver_major} PARENT_SCOPE)
-    set(SPDLOG_VERSION_MINOR ${ver_minor} PARENT_SCOPE)
-    set(SPDLOG_VERSION_PATCH ${ver_patch} PARENT_SCOPE)
-    set(SPDLOG_VERSION "${ver_major}.${ver_minor}.${ver_patch}" PARENT_SCOPE)
-endfunction()
-
 # Turn on warnings on the given target
 function(spdlog_enable_warnings target_name)
     if(SPDLOG_BUILD_WARNINGS)

cmake/version.h.in

@@ -0,0 +1,10 @@
+// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
+// Distributed under the MIT License (http://opensource.org/licenses/MIT)
+
+#pragma once
+
+constexpr int SPDLOG_VER_MAJOR{@PROJECT_VERSION_MAJOR@};
+constexpr int SPDLOG_VER_MINOR{@PROJECT_VERSION_MINOR@};
+constexpr int SPDLOG_VER_PATCH{@PROJECT_VERSION_PATCH@};
+
+constexpr int SPDLOG_VERSION{SPDLOG_VER_MAJOR * 10000 + SPDLOG_VER_MINOR * 100 + SPDLOG_VER_PATCH};

include/spdlog/version.h

@@ -1,10 +0,0 @@
-// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
-// Distributed under the MIT License (http://opensource.org/licenses/MIT)
-
-#pragma once
-
-#define SPDLOG_VER_MAJOR 1
-#define SPDLOG_VER_MINOR 7
-#define SPDLOG_VER_PATCH 0
-
-#define SPDLOG_VERSION (SPDLOG_VER_MAJOR * 10000 + SPDLOG_VER_MINOR * 100 + SPDLOG_VER_PATCH)