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cmake: Retrieve the git revision on platforms without bash

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Cameron Cawley 2021-09-09 17:59:47 +01:00 committed by Ryan C. Gordon
parent 6301cfda95
commit 67aacfe5c0
2 changed files with 34 additions and 4 deletions
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32
CMakeLists.txt
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@ -2378,11 +2378,34 @@ listtostr(EXTRA_CFLAGS _EXTRA_CFLAGS)
set(EXTRA_CFLAGS ${_EXTRA_CFLAGS}) set(EXTRA_CFLAGS ${_EXTRA_CFLAGS})
# Compat helpers for the configuration files # Compat helpers for the configuration files
if(NOT CMAKE_HOST_WIN32) find_package(Git)
# TODO: we need a Windows script, too if(Git_FOUND)
execute_process(COMMAND sh ${SDL2_SOURCE_DIR}/build-scripts/updaterev.sh execute_process(COMMAND
WORKING_DIRECTORY ${SDL2_BINARY_DIR}) "${GIT_EXECUTABLE}" remote get-url origin
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
RESULT_VARIABLE GIT_URL_STATUS
OUTPUT_VARIABLE GIT_URL
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND
"${GIT_EXECUTABLE}" rev-list --max-count=1 HEAD~..
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
RESULT_VARIABLE GIT_REVISION_STATUS
OUTPUT_VARIABLE GIT_REVISION
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
if(GIT_URL_STATUS EQUAL 0 OR GIT_REVISION_STATUS EQUAL 0)
set(SDL_REVISION "${GIT_URL}@${GIT_REVISION}")
else()
set(SDL_REVISION "")
endif()
else()
set(SDL_REVISION "")
endif() endif()
configure_file("${SDL2_SOURCE_DIR}/include/SDL_revision.h.cmake"
"${SDL2_BINARY_DIR}/include/SDL_revision.h")
if(NOT WINDOWS OR CYGWIN OR MINGW) if(NOT WINDOWS OR CYGWIN OR MINGW)
set(prefix ${CMAKE_INSTALL_PREFIX}) set(prefix ${CMAKE_INSTALL_PREFIX})
@ -2513,6 +2536,7 @@ message(STATUS "")
message(STATUS "Platform: ${CMAKE_SYSTEM}") message(STATUS "Platform: ${CMAKE_SYSTEM}")
message(STATUS "64-bit: ${ARCH_64}") message(STATUS "64-bit: ${ARCH_64}")
message(STATUS "Compiler: ${CMAKE_C_COMPILER}") message(STATUS "Compiler: ${CMAKE_C_COMPILER}")
message(STATUS "Revision: ${SDL_REVISION}")
message(STATUS "") message(STATUS "")
message(STATUS "Subsystems:") message(STATUS "Subsystems:")
foreach(_SUB ${SDL_SUBSYSTEMS}) foreach(_SUB ${SDL_SUBSYSTEMS})

6
include/SDL_revision.h.cmake Normal file
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@ -0,0 +1,6 @@
#cmakedefine SDL_REVISION "@SDL_REVISION@"
#define SDL_REVISION_NUMBER 0
#ifndef SDL_REVISION
#define SDL_REVISION ""
#endif