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build: force falco version to always start with a digit

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Falco version respects the following rules:
If the current commit matches (exactly) a git tag then the
FALCO_VERSION equals it (with the initial "v" stripped out).
Otherwise FALCO_VERSION is 0.<commit hash>[.-dirty].

Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
This commit is contained in:
Leonardo Di Donato 2019-07-18 11:02:35 +00:00 committed by Leo Di Donato
parent 7b2b0b14a5
commit e598606505
1 changed files with 31 additions and 28 deletions
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59
CMakeLists.txt
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@ -19,6 +19,14 @@ cmake_minimum_required(VERSION 2.8.2)
project(falco)
if(NOT SYSDIG_DIR)
get_filename_component(SYSDIG_DIR "${PROJECT_SOURCE_DIR}/../sysdig" REALPATH)
endif()
# Custom CMake modules
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
list(APPEND CMAKE_MODULE_PATH "${SYSDIG_DIR}/cmake/modules")
option(BUILD_WARNINGS_AS_ERRORS "Enable building with -Wextra -Werror flags")
if(NOT DEFINED FALCO_ETC_DIR)
@ -59,6 +67,29 @@ if(CMAKE_SYSTEM_NAME MATCHES "Linux")
add_definitions(-DHAS_CAPTURE)
endif()
# Create the falco version variable according to git index
if(NOT FALCO_VERSION)
include(GetGitRevisionDescription)
git_get_exact_tag(FALCO_TAG)
if(NOT FALCO_TAG)
git_describe(FALCO_VERSION "--always")
git_local_changes(FALCO_CHANGES)
if(FALCO_CHANGES STREQUAL "DIRTY")
string(TOLOWER "${FALCO_CHANGES}" FALCO_CHANGES)
set(FALCO_VERSION "${FALCO_VERSION}.${FALCO_CHANGES}")
endif()
set(FALCO_VERSION "0.${FALCO_VERSION}")
else()
set(FALCO_VERSION "${FALCO_TAG}")
string(REGEX
REPLACE "^v([0-9]+)(\\.[0-9]+)(\\.[0-9]+)?"
"\\1\\2\\3"
FALCO_VERSION
${FALCO_VERSION})
endif()
endif()
message(STATUS "Falco version is ${FALCO_VERSION}")
set(PACKAGE_NAME "falco")
set(PROBE_VERSION "${FALCO_VERSION}")
set(PROBE_NAME "falco-probe")
@ -69,34 +100,6 @@ endif()
set(CMD_MAKE make)
if(NOT SYSDIG_DIR)
get_filename_component(SYSDIG_DIR "${PROJECT_SOURCE_DIR}/../sysdig" REALPATH)
endif()
# Add path for custom CMake modules
list(APPEND CMAKE_MODULE_PATH
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
# Add path for custom CMake modules used to build dependencies from Sysdig (libscap, libsinsp)
list(APPEND CMAKE_MODULE_PATH
"${SYSDIG_DIR}/cmake/modules")
# Create the falco version variable according to git index
if(NOT FALCO_VERSION)
include(GetGitRevisionDescription)
git_get_exact_tag(FALCO_TAG)
if(NOT FALCO_TAG)
git_describe(FALCO_VERSION "--always")
git_local_changes(FALCO_CHANGES)
if(FALCO_CHANGES STREQUAL "DIRTY")
string(TOLOWER "${FALCO_CHANGES}" FALCO_CHANGES)
set(FALCO_VERSION "${FALCO_VERSION}-${FALCO_CHANGES}")
endif()
else()
set(FALCO_VERSION "${FALCO_TAG}")
endif()
endif()
# make luaJIT work on OS X
if(APPLE)
set(CMAKE_EXE_LINKER_FLAGS "-pagezero_size 10000 -image_base 100000000")