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# this test creates a static library and an executable
# the source to the library is then changed
# and the build is done on the executable and if things
# are working the executable should relink with the new
# value. The subdir Project contains the CMakelists.txt
# and source files for the test project.
project(BuildDepends)
file(REMOVE_RECURSE ${BuildDepends_BINARY_DIR}/Project)
file(MAKE_DIRECTORY ${BuildDepends_BINARY_DIR}/Project)
message("Creating Project/foo.cxx")
write_file(${BuildDepends_BINARY_DIR}/Project/foo.cxx
"const char* foo() { return \"foo\";}" )
message("Building project first time")
try_compile(RESULT
${BuildDepends_BINARY_DIR}/Project
${BuildDepends_SOURCE_DIR}/Project
testRebuild
OUTPUT_VARIABLE OUTPUT)
if("${CMAKE_GENERATOR}" MATCHES "Xcode")
try_compile(RESULT
${BuildDepends_BINARY_DIR}/Project
${BuildDepends_SOURCE_DIR}/Project
testRebuild
OUTPUT_VARIABLE OUTPUT)
try_compile(RESULT
${BuildDepends_BINARY_DIR}/Project
${BuildDepends_SOURCE_DIR}/Project
testRebuild
OUTPUT_VARIABLE OUTPUT)
endif("${CMAKE_GENERATOR}" MATCHES "Xcode")
if(NOT RESULT)
message(SEND_ERROR "Could not build test project: ${OUTPUT}")
endif(NOT RESULT)
set(bar ${BuildDepends_BINARY_DIR}/Project/bar${CMAKE_EXECUTABLE_SUFFIX})
if(EXISTS
"${BuildDepends_BINARY_DIR}/Project/Debug/bar${CMAKE_EXECUTABLE_SUFFIX}" )
message("found debug")
set(bar
"${BuildDepends_BINARY_DIR}/Project/Debug/bar${CMAKE_EXECUTABLE_SUFFIX}")
endif(EXISTS
"${BuildDepends_BINARY_DIR}/Project/Debug/bar${CMAKE_EXECUTABLE_SUFFIX}")
message("Running ${bar} ")
execute_process(COMMAND ${bar} OUTPUT_VARIABLE out RESULT_VARIABLE runResult)
string(REGEX REPLACE "[\r\n]" " " out "${out}")
message("Run result: ${runResult} Output: \"${out}\"")
if("${out}" STREQUAL "foo ")
message("Worked!")
else("${out}" STREQUAL "foo ")
message(SEND_ERROR "Project did not initially build properly: ${out}")
endif("${out}" STREQUAL "foo ")
message("Waiting 3 seconds...")
# any additional argument will cause ${bar} to wait forever
execute_process(COMMAND ${bar} -infinite TIMEOUT 3 OUTPUT_VARIABLE out)
message("Modifying Project/foo.cxx")
write_file(${BuildDepends_BINARY_DIR}/Project/foo.cxx
"const char* foo() { return \"foo changed\";}" )
message("Building project second time")
try_compile(RESULT
${BuildDepends_BINARY_DIR}/Project
${BuildDepends_SOURCE_DIR}/Project
testRebuild
OUTPUT_VARIABLE OUTPUT)
# Xcode is in serious need of help here
if("${CMAKE_GENERATOR}" MATCHES "Xcode")
try_compile(RESULT
${BuildDepends_BINARY_DIR}/Project
${BuildDepends_SOURCE_DIR}/Project
testRebuild
OUTPUT_VARIABLE OUTPUT)
try_compile(RESULT
${BuildDepends_BINARY_DIR}/Project
${BuildDepends_SOURCE_DIR}/Project
testRebuild
OUTPUT_VARIABLE OUTPUT)
endif("${CMAKE_GENERATOR}" MATCHES "Xcode")
if(NOT RESULT)
message(SEND_ERROR "Could not build test project: ${OUTPUT}")
endif(NOT RESULT)
if(EXISTS
"${BuildDepends_BINARY_DIR}/Project/Debug/bar${CMAKE_EXECUTABLE_SUFFIX}" )
message("found debug")
endif(EXISTS
"${BuildDepends_BINARY_DIR}/Project/Debug/bar${CMAKE_EXECUTABLE_SUFFIX}")
message("Running ${bar} ")
execute_process(COMMAND ${bar} OUTPUT_VARIABLE out RESULT_VARIABLE runResult)
string(REGEX REPLACE "[\r\n]" " " out "${out}")
message("Run result: ${runResult} Output: \"${out}\"")
if("${out}" STREQUAL "foo changed ")
message("Worked!")
else("${out}" STREQUAL "foo changed ")
message(SEND_ERROR "Project did not rebuild properly!")
endif("${out}" STREQUAL "foo changed ")
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