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-rw-r--r--Modules/ExternalProject.cmake192
-rw-r--r--Tests/RunCMake/ExternalProject/NO_DEPENDS-stderr.txt6
-rw-r--r--Tests/RunCMake/ExternalProject/PreserveEmptyArgs-build-stdout.txt21
-rw-r--r--Tests/RunCMake/ExternalProject/PreserveEmptyArgs.cmake13
-rw-r--r--Tests/RunCMake/ExternalProject/RunCMakeTest.cmake4
-rw-r--r--Tests/RunCMake/ExternalProject/countArgs.cmake5
6 files changed, 168 insertions, 73 deletions
diff --git a/Modules/ExternalProject.cmake b/Modules/ExternalProject.cmake
index f9f7a4f..3740fc0 100644
--- a/Modules/ExternalProject.cmake
+++ b/Modules/ExternalProject.cmake
@@ -1908,7 +1908,11 @@ function(_ep_get_build_command name step cmd_var)
get_target_property(args ${name} _EP_${step}_ARGS)
endif()
- list(APPEND cmd ${args})
+ if(NOT "${args}" STREQUAL "")
+ # args could have empty items, so we must quote it to prevent them
+ # from being silently removed
+ list(APPEND cmd "${args}")
+ endif()
set(${cmd_var} "${cmd}" PARENT_SCOPE)
endfunction()
@@ -2224,17 +2228,23 @@ function(ExternalProject_Add_Step name step)
set(command ${CMAKE_COMMAND} -E echo_append)
endif()
- add_custom_command(
- OUTPUT ${stamp_file}
- BYPRODUCTS ${byproducts}
- COMMENT ${comment}
- COMMAND ${command}
- COMMAND ${touch}
- DEPENDS ${depends}
- WORKING_DIRECTORY ${work_dir}
- VERBATIM
- ${uses_terminal}
- )
+ set(__cmdQuoted)
+ foreach(__item IN LISTS command)
+ string(APPEND __cmdQuoted " [==[${__item}]==]")
+ endforeach()
+ cmake_language(EVAL CODE "
+ add_custom_command(
+ OUTPUT \${stamp_file}
+ BYPRODUCTS \${byproducts}
+ COMMENT \${comment}
+ COMMAND ${__cmdQuoted}
+ COMMAND \${touch}
+ DEPENDS \${depends}
+ WORKING_DIRECTORY \${work_dir}
+ VERBATIM
+ ${uses_terminal}
+ )"
+ )
set_property(TARGET ${name} APPEND PROPERTY _EP_STEPS ${step})
# Add custom "step target"?
@@ -2689,15 +2699,21 @@ function(_ep_add_download_command name)
set(uses_terminal "")
endif()
- ExternalProject_Add_Step(${name} download
- COMMENT ${comment}
- COMMAND ${cmd}
- WORKING_DIRECTORY ${work_dir}
- DEPENDS ${depends}
- DEPENDEES mkdir
- ${log}
- ${uses_terminal}
- )
+ set(__cmdQuoted)
+ foreach(__item IN LISTS cmd)
+ string(APPEND __cmdQuoted " [==[${__item}]==]")
+ endforeach()
+ cmake_language(EVAL CODE "
+ ExternalProject_Add_Step(\${name} download
+ COMMENT \${comment}
+ COMMAND ${__cmdQuoted}
+ WORKING_DIRECTORY \${work_dir}
+ DEPENDS \${depends}
+ DEPENDEES mkdir
+ ${log}
+ ${uses_terminal}
+ )"
+ )
endfunction()
function(_ep_get_update_disconnected var name)
@@ -2834,16 +2850,22 @@ Update to Mercurial >= 2.1.1.
set(uses_terminal "")
endif()
- ExternalProject_Add_Step(${name} update
- COMMENT ${comment}
- COMMAND ${cmd}
- ALWAYS ${always}
- EXCLUDE_FROM_MAIN ${update_disconnected}
- WORKING_DIRECTORY ${work_dir}
- DEPENDEES download
- ${log}
- ${uses_terminal}
- )
+ set(__cmdQuoted)
+ foreach(__item IN LISTS cmd)
+ string(APPEND __cmdQuoted " [==[${__item}]==]")
+ endforeach()
+ cmake_language(EVAL CODE "
+ ExternalProject_Add_Step(${name} update
+ COMMENT \${comment}
+ COMMAND ${__cmdQuoted}
+ ALWAYS \${always}
+ EXCLUDE_FROM_MAIN \${update_disconnected}
+ WORKING_DIRECTORY \${work_dir}
+ DEPENDEES download
+ ${log}
+ ${uses_terminal}
+ )"
+ )
if(update_disconnected)
_ep_get_step_stampfile(${name} skip-update skip-update_stamp_file)
@@ -2889,12 +2911,18 @@ function(_ep_add_patch_command name)
set(update_dep update)
endif()
- ExternalProject_Add_Step(${name} patch
- COMMAND ${cmd}
- WORKING_DIRECTORY ${work_dir}
- DEPENDEES download ${update_dep}
- ${log}
- )
+ set(__cmdQuoted)
+ foreach(__item IN LISTS cmd)
+ string(APPEND __cmdQuoted " [==[${__item}]==]")
+ endforeach()
+ cmake_language(EVAL CODE "
+ ExternalProject_Add_Step(${name} patch
+ COMMAND ${__cmdQuoted}
+ WORKING_DIRECTORY \${work_dir}
+ DEPENDEES download \${update_dep}
+ ${log}
+ )"
+ )
endfunction()
@@ -3054,14 +3082,20 @@ function(_ep_add_configure_command name)
set(update_dep update)
endif()
- ExternalProject_Add_Step(${name} configure
- COMMAND ${cmd}
- WORKING_DIRECTORY ${binary_dir}
- DEPENDEES ${update_dep} patch
- DEPENDS ${file_deps}
- ${log}
- ${uses_terminal}
- )
+ set(__cmdQuoted)
+ foreach(__item IN LISTS cmd)
+ string(APPEND __cmdQuoted " [==[${__item}]==]")
+ endforeach()
+ cmake_language(EVAL CODE "
+ ExternalProject_Add_Step(${name} configure
+ COMMAND ${__cmdQuoted}
+ WORKING_DIRECTORY \${binary_dir}
+ DEPENDEES \${update_dep} patch
+ DEPENDS \${file_deps}
+ ${log}
+ ${uses_terminal}
+ )"
+ )
endfunction()
@@ -3099,15 +3133,21 @@ function(_ep_add_build_command name)
get_property(build_byproducts TARGET ${name} PROPERTY _EP_BUILD_BYPRODUCTS)
- ExternalProject_Add_Step(${name} build
- COMMAND ${cmd}
- BYPRODUCTS ${build_byproducts}
- WORKING_DIRECTORY ${binary_dir}
- DEPENDEES configure
- ALWAYS ${always}
- ${log}
- ${uses_terminal}
- )
+ set(__cmdQuoted)
+ foreach(__item IN LISTS cmd)
+ string(APPEND __cmdQuoted " [==[${__item}]==]")
+ endforeach()
+ cmake_language(EVAL CODE "
+ ExternalProject_Add_Step(${name} build
+ COMMAND ${__cmdQuoted}
+ BYPRODUCTS \${build_byproducts}
+ WORKING_DIRECTORY \${binary_dir}
+ DEPENDEES configure
+ ALWAYS \${always}
+ ${log}
+ ${uses_terminal}
+ )"
+ )
endfunction()
@@ -3136,13 +3176,19 @@ function(_ep_add_install_command name)
set(uses_terminal "")
endif()
- ExternalProject_Add_Step(${name} install
- COMMAND ${cmd}
- WORKING_DIRECTORY ${binary_dir}
- DEPENDEES build
- ${log}
- ${uses_terminal}
- )
+ set(__cmdQuoted)
+ foreach(__item IN LISTS cmd)
+ string(APPEND __cmdQuoted " [==[${__item}]==]")
+ endforeach()
+ cmake_language(EVAL CODE "
+ ExternalProject_Add_Step(${name} install
+ COMMAND ${__cmdQuoted}
+ WORKING_DIRECTORY \${binary_dir}
+ DEPENDEES build
+ ${log}
+ ${uses_terminal}
+ )"
+ )
endfunction()
@@ -3197,15 +3243,21 @@ function(_ep_add_test_command name)
set(uses_terminal "")
endif()
- ExternalProject_Add_Step(${name} test
- COMMAND ${cmd}
- WORKING_DIRECTORY ${binary_dir}
- ${dependees_args}
- ${dependers_args}
- ${exclude_args}
- ${log}
- ${uses_terminal}
- )
+ set(__cmdQuoted)
+ foreach(__item IN LISTS cmd)
+ string(APPEND __cmdQuoted " [==[${__item}]==]")
+ endforeach()
+ cmake_language(EVAL CODE "
+ ExternalProject_Add_Step(${name} test
+ COMMAND ${__cmdQuoted}
+ WORKING_DIRECTORY \${binary_dir}
+ ${dependees_args}
+ ${dependers_args}
+ ${exclude_args}
+ ${log}
+ ${uses_terminal}
+ )"
+ )
endif()
endfunction()
diff --git a/Tests/RunCMake/ExternalProject/NO_DEPENDS-stderr.txt b/Tests/RunCMake/ExternalProject/NO_DEPENDS-stderr.txt
index 4cb051d..928d88a 100644
--- a/Tests/RunCMake/ExternalProject/NO_DEPENDS-stderr.txt
+++ b/Tests/RunCMake/ExternalProject/NO_DEPENDS-stderr.txt
@@ -2,7 +2,7 @@ CMake Warning \(dev\) at .*/Modules/ExternalProject.cmake:[0-9]+. \(message\):
Using NO_DEPENDS for "configure" step might break parallel builds
Call Stack \(most recent call first\):
.*/Modules/ExternalProject.cmake:[0-9]+ \(ExternalProject_Add_StepTargets\)
- .*/Modules/ExternalProject.cmake:[0-9]+ \(ExternalProject_Add_Step\)
+ .*/Modules/ExternalProject.cmake:[0-9]+:EVAL:2 \(ExternalProject_Add_Step\)
.*/Modules/ExternalProject.cmake:[0-9]+ \(_ep_add_configure_command\)
NO_DEPENDS.cmake:[0-9]+ \(ExternalProject_Add\)
CMakeLists.txt:[0-9]+ \(include\)
@@ -12,7 +12,7 @@ CMake Warning \(dev\) at .*/Modules/ExternalProject.cmake:[0-9]+. \(message\):
Using NO_DEPENDS for "build" step might break parallel builds
Call Stack \(most recent call first\):
.*/Modules/ExternalProject.cmake:[0-9]+ \(ExternalProject_Add_StepTargets\)
- .*/Modules/ExternalProject.cmake:[0-9]+ \(ExternalProject_Add_Step\)
+ .*/Modules/ExternalProject.cmake:[0-9]+:EVAL:2 \(ExternalProject_Add_Step\)
.*/Modules/ExternalProject.cmake:[0-9]+ \(_ep_add_build_command\)
NO_DEPENDS.cmake:[0-9]+ \(ExternalProject_Add\)
CMakeLists.txt:[0-9]+ \(include\)
@@ -22,7 +22,7 @@ CMake Warning \(dev\) at .*/Modules/ExternalProject.cmake:[0-9]+. \(message\):
Using NO_DEPENDS for "install" step might break parallel builds
Call Stack \(most recent call first\):
.*/Modules/ExternalProject.cmake:[0-9]+ \(ExternalProject_Add_StepTargets\)
- .*/Modules/ExternalProject.cmake:[0-9]+ \(ExternalProject_Add_Step\)
+ .*/Modules/ExternalProject.cmake:[0-9]+:EVAL:2 \(ExternalProject_Add_Step\)
.*/Modules/ExternalProject.cmake:[0-9]+ \(_ep_add_install_command\)
NO_DEPENDS.cmake:[0-9]+ \(ExternalProject_Add\)
CMakeLists.txt:[0-9]+ \(include\)
diff --git a/Tests/RunCMake/ExternalProject/PreserveEmptyArgs-build-stdout.txt b/Tests/RunCMake/ExternalProject/PreserveEmptyArgs-build-stdout.txt
new file mode 100644
index 0000000..0e21b8f
--- /dev/null
+++ b/Tests/RunCMake/ExternalProject/PreserveEmptyArgs-build-stdout.txt
@@ -0,0 +1,21 @@
+.*-- Number of arguments for download: 6
+.*-- download argument 4: ''
+.*-- download argument 5: 'after'
+.*-- Number of arguments for update: 6
+.*-- update argument 4: ''
+.*-- update argument 5: 'after'
+.*-- Number of arguments for patch: 6
+.*-- patch argument 4: ''
+.*-- patch argument 5: 'after'
+.*-- Number of arguments for configure: 6
+.*-- configure argument 4: ''
+.*-- configure argument 5: 'after'
+.*-- Number of arguments for build: 6
+.*-- build argument 4: ''
+.*-- build argument 5: 'after'
+.*-- Number of arguments for install: 6
+.*-- install argument 4: ''
+.*-- install argument 5: 'after'
+.*-- Number of arguments for test: 6
+.*-- test argument 4: ''
+.*-- test argument 5: 'after'
diff --git a/Tests/RunCMake/ExternalProject/PreserveEmptyArgs.cmake b/Tests/RunCMake/ExternalProject/PreserveEmptyArgs.cmake
new file mode 100644
index 0000000..ded1000
--- /dev/null
+++ b/Tests/RunCMake/ExternalProject/PreserveEmptyArgs.cmake
@@ -0,0 +1,13 @@
+include(ExternalProject)
+
+set(script "${CMAKE_CURRENT_LIST_DIR}/countArgs.cmake")
+ExternalProject_Add(
+ blankChecker
+ DOWNLOAD_COMMAND ${CMAKE_COMMAND} -P "${script}" download "" after
+ UPDATE_COMMAND ${CMAKE_COMMAND} -P "${script}" update "" after
+ PATCH_COMMAND ${CMAKE_COMMAND} -P "${script}" patch "" after
+ CONFIGURE_COMMAND ${CMAKE_COMMAND} -P "${script}" configure "" after
+ BUILD_COMMAND ${CMAKE_COMMAND} -P "${script}" build "" after
+ INSTALL_COMMAND ${CMAKE_COMMAND} -P "${script}" install "" after
+ TEST_COMMAND ${CMAKE_COMMAND} -P "${script}" test "" after
+)
diff --git a/Tests/RunCMake/ExternalProject/RunCMakeTest.cmake b/Tests/RunCMake/ExternalProject/RunCMakeTest.cmake
index caaf0d2..0d1da26 100644
--- a/Tests/RunCMake/ExternalProject/RunCMakeTest.cmake
+++ b/Tests/RunCMake/ExternalProject/RunCMakeTest.cmake
@@ -29,6 +29,10 @@ endfunction()
__ep_test_with_build(MultiCommand)
+set(RunCMake_TEST_OUTPUT_MERGE 1)
+__ep_test_with_build(PreserveEmptyArgs)
+set(RunCMake_TEST_OUTPUT_MERGE 0)
+
# Output is not predictable enough to be able to verify it reliably
# when using the various different Visual Studio generators
if(NOT RunCMake_GENERATOR MATCHES "Visual Studio")
diff --git a/Tests/RunCMake/ExternalProject/countArgs.cmake b/Tests/RunCMake/ExternalProject/countArgs.cmake
new file mode 100644
index 0000000..ee6429a
--- /dev/null
+++ b/Tests/RunCMake/ExternalProject/countArgs.cmake
@@ -0,0 +1,5 @@
+message(STATUS "Number of arguments for ${CMAKE_ARGV3}: ${CMAKE_ARGC}")
+math(EXPR last "${CMAKE_ARGC} - 1")
+foreach(n RANGE 4 ${last})
+ message(STATUS "${CMAKE_ARGV3} argument ${n}: '${CMAKE_ARGV${n}}'")
+endforeach()