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cmake: fix gperftools version detection

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there is chance that its "patch" version is empty. in that case, do not
include it in its version string. otherwise, we will have something
like:

Found gperftools:
GPERFTOOLS_TCMALLOC_LIBRARY;GPERFTOOLS_TCMALLOC_MINIMAL_LIBRARY;GPERFTOOLS_PROFILER_LIBRARY
(found version "2.4.#define TC_VERSION_PATCH  """)

when running cmake

Signed-off-by: Kefu Chai <kchai@redhat.com>
This commit is contained in:
Kefu Chai 2017-10-13 15:10:29 +08:00
parent 8717eac498
commit caae3c4757
1 changed files with 5 additions and 3 deletions

8
cmake/modules/Findgperftools.cmake
View File

@ -21,12 +21,14 @@ if(Tcmalloc_INCLUDE_DIR AND EXISTS "${Tcmalloc_INCLUDE_DIR}/gperftools/tcmalloc.
foreach(ver "MAJOR" "MINOR" "PATCH")
file(STRINGS "${Tcmalloc_INCLUDE_DIR}/gperftools/tcmalloc.h" TC_VER_${ver}_LINE
REGEX "^#define[ \t]+TC_VERSION_${ver}[ \t]+[^ \t]+$")
string(REGEX REPLACE "^#define[ \t]+TC_VERSION_${ver}[ \t]+(\".)?([0-9]+)\"?$"
string(REGEX REPLACE "^#define[ \t]+TC_VERSION_${ver}[ \t]+(\".)?([0-9]*)\"?$"
"\\2" TCMALLOC_VERSION_${ver} "${TC_VER_${ver}_LINE}")
unset(TC_VER_${ver}_LINE)
endforeach()
set(TCMALLOC_VERSION_STRING
"${TCMALLOC_VERSION_MAJOR}.${TCMALLOC_VERSION_MINOR}.${TCMALLOC_VERSION_PATCH}")
set(TCMALLOC_VERSION_STRING "${TCMALLOC_VERSION_MAJOR}.${TCMALLOC_VERSION_MINOR}")
if(NOT TCMALLOC_VERSION_PATCH STREQUAL "")
set(TCMALLOC_VERSION_STRING "${TCMALLOC_VERSION_STRING}.${TCMALLOC_VERSION_PATCH}")
endif()
endif()
foreach(component tcmalloc tcmalloc_minimal profiler)