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Parsing version from configure.ac for CMake project

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This commit is contained in:
Konstantin Podsvirov 2015-08-01 02:01:42 +03:00
parent 82983433cf
commit 743ec448c5
2 changed files with 24 additions and 15 deletions
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37
cmake/CMakeLists.txt
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@ -11,24 +11,31 @@ if (MSVC)
option(ZLIB "Build with zlib support" OFF)
endif (MSVC)
# Path to common header
set(protobuf_COMMON_HEADER "../src/google/protobuf/stubs/common.h")
# Path to main configure script
set(protobuf_CONFIGURE_SCRIPT "../configure.ac")
# Parse version from common header
file(STRINGS "${protobuf_COMMON_HEADER}" protobuf_VERSION_LINE
# Parse version from configure script
file(STRINGS "${protobuf_CONFIGURE_SCRIPT}" protobuf_VERSION_LINE
LIMIT_COUNT 1
REGEX "^#define GOOGLE_PROTOBUF_VERSION [0-9]+$")
string(REGEX REPLACE "^.*PROTOBUF_VERSION ([0-9]+).*$" "\\1"
protobuf_VERSION_NUMBER "${protobuf_VERSION_LINE}")
math(EXPR protobuf_VERSION_MICRO
"${protobuf_VERSION_NUMBER} % 1000")
math(EXPR protobuf_VERSION_MINOR
"(${protobuf_VERSION_NUMBER} - ${protobuf_VERSION_MICRO}) % 1000000 / 1000")
math(EXPR protobuf_VERSION_MAJOR
"(${protobuf_VERSION_NUMBER} - ${protobuf_VERSION_MINOR} * 1000 - ${protobuf_VERSION_MICRO}) % 1000000000 / 1000000")
set(protobuf_VERSION_PATCH ${protobuf_VERSION_MICRO})
REGEX "^AC_INIT")
# Replace special characters
string(REPLACE "(" "_" protobuf_VERSION_LINE ${protobuf_VERSION_LINE})
string(REPLACE ")" "_" protobuf_VERSION_LINE ${protobuf_VERSION_LINE})
string(REPLACE "[" "_" protobuf_VERSION_LINE ${protobuf_VERSION_LINE})
string(REPLACE "]" "_" protobuf_VERSION_LINE ${protobuf_VERSION_LINE})
# Parse version string
string(REGEX REPLACE "^AC_INIT__Protocol Buffers_,_([^_]+).*$" "\\1"
protobuf_VERSION_STRING "${protobuf_VERSION_LINE}")
# Parse version tweaks
string(REGEX REPLACE "^([0-9]+)\\.([0-9]+)\\.([0-9]+).*$" "\\1"
protobuf_VERSION_MAJOR "${protobuf_VERSION_STRING}")
string(REGEX REPLACE "^([0-9]+)\\.([0-9]+)\\.([0-9]+).*$" "\\2"
protobuf_VERSION_MINOR "${protobuf_VERSION_STRING}")
string(REGEX REPLACE "^([0-9]+)\\.([0-9]+)\\.([0-9]+).*$" "\\3"
protobuf_VERSION_PATCH "${protobuf_VERSION_STRING}")
# Package version
set(protobuf_VERSION
"${protobuf_VERSION_MAJOR}.${protobuf_VERSION_MINOR}.${protobuf_VERSION_MICRO}")
"${protobuf_VERSION_MAJOR}.${protobuf_VERSION_MINOR}.${protobuf_VERSION_PATCH}")
add_definitions(-DGOOGLE_PROTOBUF_CMAKE_BUILD)

2
cmake/protobuf-config.cmake.in
View File

@ -1 +1,3 @@
set(protobuf_VERSION_STRING "@protobuf_VERSION_STRING@")
include("${CMAKE_CURRENT_LIST_DIR}/protobuf-targets.cmake")