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update cmake to work with newer versions #1

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update cmake to work with newer versions #1

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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
build
61 changes: 10 additions & 51 deletions CMakeLists.txt
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@@ -1,61 +1,20 @@
CMAKE_MINIMUM_REQUIRED(VERSION 2.8)

CMAKE_POLICY(SET CMP0048 OLD)
CMAKE_MINIMUM_REQUIRED(VERSION 3.12...5.0)

SET(PROJECT_NAME "LEMON")
PROJECT(${PROJECT_NAME})

INCLUDE(FindPythonInterp)
INCLUDE(FindWget)

IF(EXISTS ${PROJECT_SOURCE_DIR}/cmake/version.cmake)
INCLUDE(${PROJECT_SOURCE_DIR}/cmake/version.cmake)
ELSEIF(DEFINED ENV{LEMON_VERSION})
IF(DEFINED ENV{LEMON_VERSION})
SET(LEMON_VERSION $ENV{LEMON_VERSION} CACHE STRING "LEMON version string.")
ELSEIF(EXISTS ${CMAKE_SOURCE_DIR}/cmake/version.cmake)
INCLUDE(${CMAKE_SOURCE_DIR}/cmake/version.cmake)
ELSE()
EXECUTE_PROCESS(
COMMAND
hg log -r. --template "{latesttag}"
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
OUTPUT_VARIABLE HG_REVISION_TAG
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
EXECUTE_PROCESS(
COMMAND
hg log -r. --template "{latesttagdistance}"
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
OUTPUT_VARIABLE HG_REVISION_DIST
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
EXECUTE_PROCESS(
COMMAND
hg log -r. --template "{node|short}"
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
OUTPUT_VARIABLE HG_REVISION_ID
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
MESSAGE(FATAL_ERROR "LEMON_VERSION is not defined. Please set it in the environment")
ENDIF()

IF(HG_REVISION_TAG STREQUAL "")
SET(HG_REVISION_ID "hg-tip")
ELSE()
IF(HG_REVISION_TAG STREQUAL "null")
SET(HG_REVISION_TAG "trunk")
ELSEIF(HG_REVISION_TAG MATCHES "^r")
STRING(SUBSTRING ${HG_REVISION_TAG} 1 -1 HG_REVISION_TAG)
ENDIF()
IF(HG_REVISION_DIST STREQUAL "0")
SET(HG_REVISION ${HG_REVISION_TAG})
ELSE()
SET(HG_REVISION
"${HG_REVISION_TAG}+${HG_REVISION_DIST}-${HG_REVISION_ID}")
ENDIF()
ENDIF()

SET(LEMON_VERSION ${HG_REVISION} CACHE STRING "LEMON version string.")
ENDIF()
PROJECT(${PROJECT_NAME} VERSION ${LEMON_VERSION})

find_package(Python3 REQUIRED COMPONENTS Interpreter)
INCLUDE(FindWget)

SET(PROJECT_VERSION ${LEMON_VERSION})

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