diff options
Diffstat (limited to 'scripts/build-info.cmake')
| -rw-r--r-- | scripts/build-info.cmake | 42 |
1 files changed, 39 insertions, 3 deletions
diff --git a/scripts/build-info.cmake b/scripts/build-info.cmake index 5023b77a..e33f3349 100644 --- a/scripts/build-info.cmake +++ b/scripts/build-info.cmake @@ -2,6 +2,8 @@ set(TEMPLATE_FILE "${CMAKE_CURRENT_SOURCE_DIR}/scripts/build-info.h.in") set(HEADER_FILE "${CMAKE_CURRENT_SOURCE_DIR}/build-info.h") set(BUILD_NUMBER 0) set(BUILD_COMMIT "unknown") +set(BUILD_COMPILER "unknown") +set(BUILD_TARGET "unknown") # Look for git find_package(Git) @@ -41,11 +43,45 @@ if(Git_FOUND) endif() endif() +if(GIT_HEAD_RESULT EQUAL 0 AND GIT_COUNT_RESULT EQUAL 0) + set(BUILD_COMMIT ${HEAD}) + set(BUILD_NUMBER ${COUNT}) +endif() + +execute_process( + COMMAND sh -c "$@ --version | head -1" _ ${CMAKE_C_COMPILER} + OUTPUT_VARIABLE OUT + OUTPUT_STRIP_TRAILING_WHITESPACE + RESULT_VARIABLE RES +) +if (RES EQUAL 0) + set(BUILD_COMPILER ${OUT}) +endif() + +execute_process( + COMMAND ${CMAKE_C_COMPILER} -dumpmachine + OUTPUT_VARIABLE OUT + OUTPUT_STRIP_TRAILING_WHITESPACE + RESULT_VARIABLE RES +) +if (RES EQUAL 0) + set(BUILD_TARGET ${OUT}) +endif() + # Only write the header if it's changed to prevent unnecessary recompilation if(EXISTS ${HEADER_FILE}) - file(STRINGS ${HEADER_FILE} CONTENTS REGEX "BUILD_COMMIT \"([^\"]*)\"") - list(GET CONTENTS 0 EXISTING) - if(NOT EXISTING STREQUAL "#define BUILD_COMMIT \"${BUILD_COMMIT}\"") + file(READ ${HEADER_FILE} CONTENTS) + string(REGEX MATCH "BUILD_COMMIT \"([^\"]*)\"" _ ${CONTENTS}) + set(OLD_COMMIT ${CMAKE_MATCH_1}) + string(REGEX MATCH "BUILD_COMPILER \"([^\"]*)\"" _ ${CONTENTS}) + set(OLD_COMPILER ${CMAKE_MATCH_1}) + string(REGEX MATCH "BUILD_TARGET \"([^\"]*)\"" _ ${CONTENTS}) + set(OLD_TARGET ${CMAKE_MATCH_1}) + if ( + NOT OLD_COMMIT STREQUAL BUILD_COMMIT OR + NOT OLD_COMPILER STREQUAL BUILD_COMPILER OR + NOT OLD_TARGET STREQUAL BUILD_TARGET + ) configure_file(${TEMPLATE_FILE} ${HEADER_FILE}) endif() else() |