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Added a CMake error if the path is too long

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git-svn-id: https://svn.code.sf.net/p/speed-dreams/code/trunk@7147 30fe4595-0a0c-4342-8851-515496e4dcbd

Former-commit-id: 565fee077624e1d796a26d546a03abdadccfc201
Former-commit-id: 71faf144307c3c0d9f9d4065d89ee70dbb57f137
This commit is contained in:
beaglejoe 2020-07-04 00:20:16 +00:00
parent 35a6a7b3b5
commit 8b4f56f0ec
1 changed files with 10 additions and 3 deletions
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13
packaging/3rdParty-devel/CMakeLists.txt
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@ -33,6 +33,7 @@ include(ExternalProject)
include(CMakeDependentOption) include(CMakeDependentOption)
message(STATUS "CMAKE_VERSION = ${CMAKE_VERSION}")
# Setup some defualts... # Setup some defualts...
# Setup the configuration # Setup the configuration
@ -40,7 +41,7 @@ if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release CACHE STRING set(CMAKE_BUILD_TYPE Release CACHE STRING
"Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel." "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
FORCE) FORCE)
message("No CMAKE_BUILD_TYPE specified, defaulting to ${CMAKE_BUILD_TYPE}") message(STATUS "No CMAKE_BUILD_TYPE specified, defaulting to ${CMAKE_BUILD_TYPE}")
endif(NOT CMAKE_BUILD_TYPE) endif(NOT CMAKE_BUILD_TYPE)
# Setup the install prefix. # Setup the install prefix.
@ -55,12 +56,18 @@ if(MINGW)
endif(MINGW) endif(MINGW)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/") set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/")
message(STATUS "CMAKE_SOURCE_DIR = ${CMAKE_SOURCE_DIR}")
set(EXTERNALS_PREFIX "${CMAKE_CURRENT_BINARY_DIR}/externals" CACHE PATH "") set(EXTERNALS_PREFIX "${CMAKE_CURRENT_BINARY_DIR}/deps" CACHE PATH "")
set(EXTERNALS_INSTALL_DIR "${CMAKE_CURRENT_BINARY_DIR}/3rdParty" CACHE PATH "") set(EXTERNALS_INSTALL_DIR "${CMAKE_CURRENT_BINARY_DIR}/3rdParty" CACHE PATH "")
set(EXTERNALS_CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${EXTERNALS_INSTALL_DIR} CACHE PATH "") set(EXTERNALS_CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${EXTERNALS_INSTALL_DIR} CACHE PATH "")
set(_max_ext_path "64")
string(LENGTH ${EXTERNALS_PREFIX} _path_length)
if(_path_length GREATER _max_ext_path)
message(STATUS "The length of the EXTERNALS_PREFIX (${EXTERNALS_PREFIX}) is possibly too long (${_path_length}) to build OSG")
message(SEND_ERROR "The length of the EXTERNALS_PREFIX needs to be less than ${_max_ext_path} to build OSG")
endif()
set_property(DIRECTORY PROPERTY EP_BASE ${EXTERNALS_PREFIX}) set_property(DIRECTORY PROPERTY EP_BASE ${EXTERNALS_PREFIX})
if(WIN32) if(WIN32)