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Added a comment to explain a regular expression

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Victor Castillo 2024-05-24 03:26:27 +02:00
parent ecbc65028f
commit a4697db0cc
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CMakeLists.txt
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@ -2623,6 +2623,8 @@ else()
find_package(Protobuf)
if((CMAKE_BUILD_TYPE STREQUAL "Debug") AND Protobuf_FOUND AND absl_FOUND)
# This Regular Expression is used to convert the version string provided by `find_package(Protobuf)` into the
# appropriate binary version string. So, for instance, "4.25.3" becomes "25.3.0".
string(REGEX REPLACE "^[0-9]+\.([0-9]+\.[0-9]+)$" "\\1.0" PROTOBUF_LIBRARY_VERSION "${Protobuf_VERSION}")
if((PROTOBUF_LIBRARY_VERSION VERSION_GREATER_EQUAL "22") AND (PROTOBUF_LIBRARY_VERSION VERSION_LESS "26"))
find_package(PkgConfig REQUIRED)