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[pstl] Properly extract the version number from pstl_config.h 

Previously, we'd be performing math on `#define PSTL_VERSION NNN` instead
of just `NNN`. It seems like older CMakes didn't complain, but newer
CMakes do complain because it doesn't make sense.

llvm-svn: 355918
This commit is contained in:
Louis Dionne 2019-03-12 13:48:25 +00:00
parent e62e93e1d8
commit 0f4ce2b0d7
1 changed files with 1 additions and 1 deletions
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pstl/CMakeLists.txt
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@ -10,7 +10,7 @@ list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
set(PARALLELSTL_VERSION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/include/pstl/internal/pstl_config.h")
file(STRINGS "${PARALLELSTL_VERSION_FILE}" PARALLELSTL_VERSION_SOURCE REGEX "#define PSTL_VERSION .*$")
string(REGEX MATCH "#define PSTL_VERSION (.*)$" PARALLELSTL_VERSION_SOURCE "${PARALLELSTL_VERSION_SOURCE}")
string(REGEX REPLACE "#define PSTL_VERSION (.*)$" "\\1" PARALLELSTL_VERSION_SOURCE "${PARALLELSTL_VERSION_SOURCE}")
math(EXPR VERSION_MAJOR "${PARALLELSTL_VERSION_SOURCE} / 100")
math(EXPR VERSION_MINOR "${PARALLELSTL_VERSION_SOURCE} % 100")