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cgal
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Merge pull request #5460 from lrineau/CGAL-as_a_CMake_subdirectory-GF 

Allow to use CGAL as a submodule of a bigger CMake project
This commit is contained in:
Laurent Rineau 2021-03-24 15:05:31 +01:00
parent 0cb823656a 2f6a9ff599
commit 0e49e18bd3
2 changed files with 47 additions and 47 deletions
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10
CMakeLists.txt
View File

@ -12,14 +12,14 @@ set(CGAL_BRANCH_BUILD
ON
CACHE INTERNAL "Create CGAL from a Git branch" FORCE)
include(${CMAKE_SOURCE_DIR}/CGALConfigVersion.cmake)
include(${CMAKE_SOURCE_DIR}/Installation/cmake/modules/CGAL_SCM.cmake)
cgal_detect_git(${CMAKE_SOURCE_DIR})
include(${CMAKE_CURRENT_SOURCE_DIR}/CGALConfigVersion.cmake)
include(${CMAKE_CURRENT_SOURCE_DIR}/Installation/cmake/modules/CGAL_SCM.cmake)
cgal_detect_git(${CMAKE_CURRENT_SOURCE_DIR})
function(CGAL_error_if_detect_in_source_build)
# If in a Git repository, forbid in-source builds
get_filename_component(srcdir "${CMAKE_SOURCE_DIR}" REALPATH)
get_filename_component(bindir "${CMAKE_BINARY_DIR}" REALPATH)
get_filename_component(srcdir "${CMAKE_CURRENT_SOURCE_DIR}" REALPATH)
get_filename_component(bindir "${CMAKE_CURRENT_BINARY_DIR}" REALPATH)
if("${srcdir}" STREQUAL "${bindir}")
message(
FATAL_ERROR

84
Installation/CMakeLists.txt
View File

@ -1,8 +1,8 @@
# Top level CMakeLists.txt for CGAL
# The name of our project is "CGAL". CMakeLists files in this project can
# refer to the root source directory of the project as ${CMAKE_SOURCE_DIR} or
# ${CMAKE_SOURCE_DIR} and to the root binary directory of the project as
# ${CMAKE_BINARY_DIR} or ${CMAKE_BINARY_DIR}.
# refer to the root source directory of the project as ${CGAL_SOURCE_DIR} or
# ${CGAL_SOURCE_DIR} and to the root binary directory of the project as
# ${CGAL_BINARY_DIR} or ${CGAL_BINARY_DIR}.
if(NOT PROJECT_NAME)
cmake_minimum_required(VERSION 3.12...3.18)
project(CGAL CXX C)
@ -32,24 +32,24 @@ if(CGAL_BRANCH_BUILD)
# list packages
file(
GLOB CGAL_CONFIGURED_PACKAGES
RELATIVE ${CMAKE_SOURCE_DIR}
"${CMAKE_SOURCE_DIR}/*")
RELATIVE ${CGAL_SOURCE_DIR}
"${CGAL_SOURCE_DIR}/*")
list(SORT CGAL_CONFIGURED_PACKAGES)
list(REMOVE_ITEM CGAL_CONFIGURED_PACKAGES copyright CMakeLists.txt .svn .git)
# detect and remove not existing package-directories
foreach(package ${CGAL_CONFIGURED_PACKAGES})
if(NOT IS_DIRECTORY "${CMAKE_SOURCE_DIR}/${package}")
if(NOT IS_DIRECTORY "${CGAL_SOURCE_DIR}/${package}")
list(APPEND CGAL_WRONG_PACKAGES ${package})
elseif(NOT EXISTS
"${CMAKE_SOURCE_DIR}/${package}/package_info/${package}/maintainer")
"${CGAL_SOURCE_DIR}/${package}/package_info/${package}/maintainer")
list(APPEND CGAL_WRONG_PACKAGES ${package})
endif()
endforeach()
find_program(
CGAL_CREATE_CMAKE_SCRIPT cgal_create_cmake_script HINT
${CMAKE_SOURCE_DIR}/Scripts/scripts
${CGAL_SOURCE_DIR}/Scripts/scripts
DOC "Script cgal_create_cmake_script, that creates CMakeLists.txt files"
NO_DEFAULT_PATH NO_CMAKE_ENVIRONMENT_PATH)
@ -61,20 +61,20 @@ if(CGAL_BRANCH_BUILD)
set(CGAL_CONFIGURED_PACKAGES_NAMES ${CGAL_CONFIGURED_PACKAGES})
set(CGAL_CONFIGURED_PACKAGES)
foreach(package ${CGAL_CONFIGURED_PACKAGES_NAMES})
list(APPEND CGAL_CONFIGURED_PACKAGES "${CMAKE_SOURCE_DIR}/${package}")
list(APPEND CGAL_CONFIGURED_PACKAGES "${CGAL_SOURCE_DIR}/${package}")
endforeach()
set(CGAL_INSTALLATION_PACKAGE_DIR
"${CMAKE_SOURCE_DIR}/Installation"
"${CGAL_SOURCE_DIR}/Installation"
CACHE INTERNAL "Directory containing the Installation package")
set(CGAL_MAINTENANCE_PACKAGE_DIR
"${CMAKE_SOURCE_DIR}/Maintenance"
"${CGAL_SOURCE_DIR}/Maintenance"
CACHE INTERNAL "Directory containing the Maintenance package")
set(CGAL_CORE_PACKAGE_DIR
"${CMAKE_SOURCE_DIR}/Core"
"${CGAL_SOURCE_DIR}/Core"
CACHE INTERNAL "Directory containing the Core package")
set(CGAL_GRAPHICSVIEW_PACKAGE_DIR
"${CMAKE_SOURCE_DIR}/GraphicsView"
"${CGAL_SOURCE_DIR}/GraphicsView"
CACHE INTERNAL "Directory containing the GraphicsView package")
message(
@ -86,7 +86,7 @@ if(CGAL_BRANCH_BUILD)
else(CGAL_BRANCH_BUILD)
# get release name
file(TO_CMAKE_PATH ${CMAKE_SOURCE_DIR} CMAKE_SOURCE_CDIR)
file(TO_CMAKE_PATH ${CGAL_SOURCE_DIR} CMAKE_SOURCE_CDIR)
string(REGEX REPLACE "^/" "" CMAKE_SOURCE_DDIR ${CMAKE_SOURCE_CDIR})
string(REPLACE "/" ";" CMAKE_SOURCE_PDIR ${CMAKE_SOURCE_DDIR})
list(GET CMAKE_SOURCE_PDIR -1 CGAL_RELEASE_NAME)
@ -95,19 +95,19 @@ else(CGAL_BRANCH_BUILD)
set(CGAL_CONFIGURED_PACKAGES_NAMES ${CGAL_RELEASE_NAME})
# list packages
set(CGAL_CONFIGURED_PACKAGES "${CMAKE_SOURCE_DIR}")
set(CGAL_CONFIGURED_PACKAGES "${CGAL_SOURCE_DIR}")
set(CGAL_INSTALLATION_PACKAGE_DIR
"${CMAKE_SOURCE_DIR}"
"${CGAL_SOURCE_DIR}"
CACHE INTERNAL "Directory containing the Installation package")
set(CGAL_MAINTENANCE_PACKAGE_DIR
"${CMAKE_SOURCE_DIR}"
"${CGAL_SOURCE_DIR}"
CACHE INTERNAL "Directory containing the Maintenance package")
set(CGAL_CORE_PACKAGE_DIR
"${CMAKE_SOURCE_DIR}"
"${CGAL_SOURCE_DIR}"
CACHE INTERNAL "Directory containing the Core package")
set(CGAL_GRAPHICSVIEW_PACKAGE_DIR
"${CMAKE_SOURCE_DIR}"
"${CGAL_SOURCE_DIR}"
CACHE INTERNAL "Directory containing the GraphicsView package")
# Enable testing with BUILD_TESTING
@ -120,7 +120,7 @@ endif(CGAL_BRANCH_BUILD)
#message(STATUS "Packages found: ${CGAL_CONFIGURED_PACKAGES}")
list(SORT CGAL_CONFIGURED_PACKAGES_NAMES)
if(IS_DIRECTORY "${CMAKE_SOURCE_DIR}/Documentation")
if(IS_DIRECTORY "${CGAL_SOURCE_DIR}/Documentation")
# Rescope CGAL_CONFIGURED_PACKAGES_NAMES
# We need this variable in the Doxygen configuration process. Reset it
# and change the scope to the parent scope.
@ -141,7 +141,7 @@ if(CGAL_BRANCH_BUILD)
# Create version files
#
file(REMOVE ${CMAKE_BINARY_DIR}/VERSION)
file(REMOVE ${CGAL_BINARY_DIR}/VERSION)
if(CGAL_BUGFIX_VERSION AND CGAL_BUGFIX_VERSION GREATER 0)
set(CGAL_CREATED_VERSION_NUM
"${CGAL_MAJOR_VERSION}.${CGAL_MINOR_VERSION}.${CGAL_BUGFIX_VERSION}")
@ -160,7 +160,7 @@ if(CGAL_BRANCH_BUILD)
"${CGAL_CREATED_VERSION_NUM}-I-${CGAL_BUILD_VERSION}")
set(CGAL_VERSION "${CGAL_CREATED_VERSION_NUM}-I-${CGAL_BUILD_VERSION}")
file(WRITE "${CMAKE_BINARY_DIR}/VERSION" "${CGAL_CREATED_VERSION_NUM}")
file(WRITE "${CGAL_BINARY_DIR}/VERSION" "${CGAL_CREATED_VERSION_NUM}")
message(STATUS "CGAL_VERSION is ${CGAL_CREATED_VERSION}")
set(CGAL_FULL_VERSION
@ -196,11 +196,11 @@ if(CGAL_BRANCH_BUILD)
message(
STATUS "CGAL_CREATED_SVN_REVISION is ${CGAL_CREATED_SVN_REVISION} (dummy)")
file(REMOVE ${CMAKE_BINARY_DIR}/include/CGAL/version.h)
file(REMOVE ${CGAL_BINARY_DIR}/include/CGAL/version.h)
string(TIMESTAMP CGAL_CREATED_RELEASE_DATE "%Y%m%d")
configure_file(
${CGAL_INSTALLATION_PACKAGE_DIR}/cmake/modules/config/version.h.in
${CMAKE_BINARY_DIR}/include/CGAL/version.h @ONLY)
${CGAL_BINARY_DIR}/include/CGAL/version.h @ONLY)
#
# Duplicate files
@ -265,8 +265,8 @@ if(CGAL_BRANCH_BUILD)
else()
if(NOT EXISTS "${CMAKE_SOURCE_DIR}/VERSION"
OR NOT EXISTS "${CMAKE_SOURCE_DIR}/include/CGAL/version.h")
if(NOT EXISTS "${CGAL_SOURCE_DIR}/VERSION"
OR NOT EXISTS "${CGAL_SOURCE_DIR}/include/CGAL/version.h")
message(
FATAL_ERROR
"File VERSION or include/CGAL/version.h are missing, required by release-build."
@ -277,7 +277,7 @@ else()
# Read and parse CGAL version number from VERSION file
#
file(READ "${CMAKE_SOURCE_DIR}/VERSION" CGAL_VERSION)
file(READ "${CGAL_SOURCE_DIR}/VERSION" CGAL_VERSION)
# Comment from Laurent Rineau, 2012/06/28:
# file(READ ..) should be replace by file(STRINGS ..), and then we take
# the first line. That would avoid parsing errors when the VERSION file
@ -541,7 +541,7 @@ if(CGAL_DISABLE_GMP)
unset(CGAL_USE_GMP)
unset(CGAL_USE_GMP CACHE)
# Nasty trick to make sure <gmp.h> is not used when CGAL_DISABLE_GMP is TRUE
file(WRITE "${CMAKE_BINARY_DIR}/include/gmp.h"
file(WRITE "${CGAL_BINARY_DIR}/include/gmp.h"
"#error GMP is disabled by the CMake option CGAL_DISABLE_GMP")
else()
list(APPEND CGAL_ESSENTIAL_3RD_PARTY_LIBRARIES GMP MPFR)
@ -549,7 +549,7 @@ else()
# When CMake is run several times, to avoid duplicates
list(REMOVE_DUPLICATES CGAL_ESSENTIAL_3RD_PARTY_LIBRARIES)
file(REMOVE "${CMAKE_BINARY_DIR}/include/gmp.h")
file(REMOVE "${CGAL_BINARY_DIR}/include/gmp.h")
endif()
hide_variable(CGAL_ESSENTIAL_3RD_PARTY_LIBRARIES)
@ -644,7 +644,7 @@ set(CGAL_INSTALL_MAN_DIR
message("== Generating build files ==")
set(CGAL_INCLUDE_DIRS ${CMAKE_BINARY_DIR}/include)
set(CGAL_INCLUDE_DIRS ${CGAL_BINARY_DIR}/include)
foreach(package ${CGAL_CONFIGURED_PACKAGES})
if(EXISTS ${package}/include)
@ -721,9 +721,9 @@ if(CGAL_BRANCH_BUILD AND CGAL_REPORT_DUPLICATE_FILES)
endif()
configure_file("${CGAL_MODULES_DIR}/CGALConfig_binary_header_only.cmake.in"
"${CMAKE_BINARY_DIR}/CGALConfig.cmake" @ONLY)
"${CGAL_BINARY_DIR}/CGALConfig.cmake" @ONLY)
configure_file("${CGAL_MODULES_DIR}/CGALConfigVersion_binary_header_only.cmake.in"
"${CMAKE_BINARY_DIR}/CGALConfigVersion.cmake" @ONLY)
"${CGAL_BINARY_DIR}/CGALConfigVersion.cmake" @ONLY)
#--------------------------------------------------------------------------------------------------
#
@ -749,9 +749,9 @@ foreach(dir ${CGAL_CONFIGURED_PACKAGES})
PATTERN "Qt" EXCLUDE)
endif()
endforeach()
if(EXISTS ${CMAKE_BINARY_DIR}/include/CGAL)
if(EXISTS ${CGAL_BINARY_DIR}/include/CGAL)
install(
DIRECTORY ${CMAKE_BINARY_DIR}/include/CGAL
DIRECTORY ${CGAL_BINARY_DIR}/include/CGAL
DESTINATION ${CGAL_INSTALL_INC_DIR}
PATTERN ".svn" EXCLUDE
PATTERN "Qt" EXCLUDE)
@ -786,9 +786,9 @@ install(FILES
DESTINATION ${CGAL_INSTALL_CMAKE_DIR})
if(NOT CGAL_INSTALL_CMAKE_DIR STREQUAL "${CGAL_INSTALL_LIB_DIR}/cmake/CGAL")
configure_file(${CMAKE_CURRENT_LIST_DIR}/lib/cmake/CGAL/CGALConfig-installation-dirs.cmake.in
${CMAKE_BINARY_DIR}/config/CGALConfig-installation-dirs.cmake)
${CGAL_BINARY_DIR}/config/CGALConfig-installation-dirs.cmake)
install(FILES
${CMAKE_BINARY_DIR}/config/CGALConfig-installation-dirs.cmake
${CGAL_BINARY_DIR}/config/CGALConfig-installation-dirs.cmake
DESTINATION ${CGAL_INSTALL_CMAKE_DIR})
endif()
@ -846,7 +846,7 @@ macro(add_programs subdir target ON_OFF)
endmacro()
# This allows programs to locate CGALConfig.cmake
set(CGAL_DIR ${CMAKE_BINARY_DIR})
set(CGAL_DIR ${CGAL_BINARY_DIR})
if(NOT RUNNING_CGAL_AUTO_TEST)
@ -1051,13 +1051,13 @@ You must disable CGAL_ENABLE_CHECK_HEADERS.")
include_directories(SYSTEM ${CGAL_3RD_PARTY_INCLUDE_DIRS})
# Build the doc
set(DOC_DIR "${CMAKE_BINARY_DIR}/build_doc")
set(DOC_DIR "${CGAL_BINARY_DIR}/build_doc")
file(MAKE_DIRECTORY "${DOC_DIR}")
execute_process(
COMMAND
"${CMAKE_COMMAND}" -DCGAL_BUILD_THREE_DOC=TRUE
-DDOXYGEN_EXECUTABLE=${DOXYGEN_EXECUTABLE}
"${CMAKE_SOURCE_DIR}/Documentation/doc"
"${CGAL_SOURCE_DIR}/Documentation/doc"
WORKING_DIRECTORY "${DOC_DIR}")
execute_process(
COMMAND
@ -1066,7 +1066,7 @@ You must disable CGAL_ENABLE_CHECK_HEADERS.")
#Get the list of the documented headers
file(GLOB html_files RELATIVE "${DOC_DIR}/doc_output/" "${DOC_DIR}/doc_output/*/*.html")
file(GLOB example_files RELATIVE "${CMAKE_SOURCE_DIR}/" "${CMAKE_SOURCE_DIR}/*/examples/*/*.cpp")
file(GLOB example_files RELATIVE "${CGAL_SOURCE_DIR}/" "${CGAL_SOURCE_DIR}/*/examples/*/*.cpp")
list(SORT example_files)
find_program(AWK awk)
@ -1083,7 +1083,7 @@ You must disable CGAL_ENABLE_CHECK_HEADERS.")
message("listing headers from examples files")
foreach(f ${example_files})
execute_process(COMMAND "${AWK}" "${awk_arguments}" "${CMAKE_SOURCE_DIR}/${f}"
execute_process(COMMAND "${AWK}" "${awk_arguments}" "${CGAL_SOURCE_DIR}/${f}"
OUTPUT_VARIABLE tmp_list)
if (NOT "${tmp_list}" STREQUAL "")
string(REPLACE "\n" ";" tmp_list ${tmp_list})
@ -1104,7 +1104,7 @@ You must disable CGAL_ENABLE_CHECK_HEADERS.")
## Loop on package and headers
set(check_pkg_target_list)
#get build dir for removal from deps
get_filename_component(BUILD_DIR ${CMAKE_BINARY_DIR} NAME)
get_filename_component(BUILD_DIR ${CGAL_BINARY_DIR} NAME)
foreach(package ${CGAL_CONFIGURED_PACKAGES_NAMES})
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/../${package}/include)
set(check_pkg_headers_depends "")