this repo has no description
Making CMake produce version header.
authored by
Jonathan Dearborn
and committed by
Alice
d88f0273
72247d32
+26
-11
+15
-6
CMakeLists.txt
+15
-6
CMakeLists.txt
···
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cmake_minimum_required(VERSION 2.6)
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cmake_minimum_required(VERSION 3.0)
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project(SDL_gpu)
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file(READ version.txt SDL_GPU_VERSION)
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file(READ ${CMAKE_CURRENT_SOURCE_DIR}/version.txt VERSION_FILE_CONTENTS)
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if((NOT DEFINED VERSION_MAJOR OR NOT DEFINED VERSION_MINOR OR NOT DEFINED VERSION_BUGFIX) AND SDL_GPU_VERSION STREQUAL "")
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if((NOT DEFINED VERSION_MAJOR OR NOT DEFINED VERSION_MINOR OR NOT DEFINED VERSION_BUGFIX) AND VERSION_FILE_CONTENTS STREQUAL "")
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message(ERROR "Missing version.txt, VERSION_MAJOR, VERSION_MINOR, and VERSION_BUGFIX.")
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message(FATAL_ERROR "Failed to read version.txt and cannot proceed without a version number for SDL_gpu.")
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endif()
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if(NOT DEFINED VERSION_MAJOR)
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string(REGEX MATCH "^[0-9]*" VERSION_MAJOR ${SDL_GPU_VERSION})
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string(REGEX MATCH "^[0-9]*" VERSION_MAJOR ${VERSION_FILE_CONTENTS})
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endif()
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if(NOT DEFINED VERSION_MINOR)
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string(REGEX MATCH "[.][0-9]*[.]" VERSION_MINOR ${SDL_GPU_VERSION})
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string(REGEX MATCH "[.][0-9]*[.]" VERSION_MINOR ${VERSION_FILE_CONTENTS})
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# Chop off the dots
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string(LENGTH ${VERSION_MINOR} VERSION_MINOR_LENGTH)
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string(SUBSTRING ${VERSION_MINOR} 1 ${VERSION_MINOR_LENGTH}-2 VERSION_MINOR)
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endif()
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if(NOT DEFINED VERSION_BUGFIX)
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string(REGEX MATCH "[0-9]*$" VERSION_MAJOR ${SDL_GPU_VERSION})
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string(REGEX MATCH "[0-9]*$" VERSION_MAJOR ${VERSION_FILE_CONTENTS})
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endif()
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set(SDL_gpu_VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_BUGFIX})
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message("Writing version header for v${SDL_gpu_VERSION}")
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string(CONCAT VERSION_HEADER_CONTENTS "#ifndef _SDL_GPU_VERSION_H__"
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"#define _SDL_GPU_VERSION_H__"
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"#define SDL_GPU_VERSION_MAJOR ${VERSION_MAJOR}"
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"#define SDL_GPU_VERSION_MINOR ${VERSION_MINOR}"
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"#define SDL_GPU_VERSION_PATCH ${VERSION_BUGFIX}"
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"#endif")
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file(WRITE ${CMAKE_CURRENT_SOURCE_DIR}/include/SDL_gpu_version.h ${VERSION_HEADER_CONTENTS})
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set(SDL_gpu_INSTALL_BY_DEFAULT ON)
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set(SDL_gpu_DEFAULT_BUILD_SHARED ON)
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include/SDL_gpu.h
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-4
include/SDL_gpu.h
···
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extern "C" {
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#endif
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// Compile-time versions
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#define SDL_GPU_VERSION_MAJOR 0
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#define SDL_GPU_VERSION_MINOR 11
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#define SDL_GPU_VERSION_PATCH 0
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// Compile-time version info
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#include "SDL_gpu_version.h"
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/* Auto-detect if we're using the SDL2 API by the headers available. */
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#if SDL_VERSION_ATLEAST(2,0,0)
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include/SDL_gpu_version.h
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include/SDL_gpu_version.h