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build: Add a default version if not in git (#765)

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This fixes building with the tarball source.
This commit is contained in:
Iru Cai (vimacs)
2019-11-20 10:28:25 +01:00
committed by Eberhard Gräther
parent 1e870e9a25
commit b0d4db6d61
1 changed files with 7 additions and 4 deletions
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cmake/version.cmake
+7 -4
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@@ -29,18 +29,21 @@ if(EXISTS "${CMAKE_SOURCE_DIR}/.git")
OUTPUT_VARIABLE GIT_VERSION_NUMBER
OUTPUT_STRIP_TRAILING_WHITESPACE
)
string(REGEX REPLACE "^([0-9]+)\\..*" "\\1" VERSION_YEAR "${GIT_VERSION_NUMBER}")
string(REGEX REPLACE "^[0-9]+\\.([0-9]+).*" "\\1" VERSION_MINOR "${GIT_VERSION_NUMBER}")
string(REGEX REPLACE "^[0-9]+\\.[0-9]+-([0-9]+).*" "\\1" VERSION_COMMIT "${GIT_VERSION_NUMBER}")
else(EXISTS "${CMAKE_SOURCE_DIR}/.git")
set(GIT_BRANCH "")
set(GIT_COMMIT_HASH "")
set(GIT_VERSION_NUMBER "")
set(VERSION_YEAR "0")
set(VERSION_MINOR "0")
set(VERSION_COMMIT "0")
set(BUILD_TYPE "")
endif(EXISTS "${CMAKE_SOURCE_DIR}/.git")
string(REGEX REPLACE "^([0-9]+)\\..*" "\\1" VERSION_YEAR "${GIT_VERSION_NUMBER}")
string(REGEX REPLACE "^[0-9]+\\.([0-9]+).*" "\\1" VERSION_MINOR "${GIT_VERSION_NUMBER}")
string(REGEX REPLACE "^[0-9]+\\.[0-9]+-([0-9]+).*" "\\1" VERSION_COMMIT "${GIT_VERSION_NUMBER}")
set(VERSION_STRING "${VERSION_YEAR}.${VERSION_MINOR}.${VERSION_COMMIT}")
message(STATUS "Version: ${VERSION_STRING}")